Package org.jboss.resteasy.spi

Source Code of org.jboss.resteasy.spi.ResteasyProviderFactory$SortedKey

package org.jboss.resteasy.spi;

import org.jboss.resteasy.annotations.interception.ClientInterceptor;
import org.jboss.resteasy.annotations.interception.DecoderPrecedence;
import org.jboss.resteasy.annotations.interception.EncoderPrecedence;
import org.jboss.resteasy.annotations.interception.HeaderDecoratorPrecedence;
import org.jboss.resteasy.annotations.interception.RedirectPrecedence;
import org.jboss.resteasy.annotations.interception.SecurityPrecedence;
import org.jboss.resteasy.annotations.interception.ServerInterceptor;
import org.jboss.resteasy.client.core.ClientErrorInterceptor;
import org.jboss.resteasy.client.exception.mapper.ClientExceptionMapper;
import org.jboss.resteasy.core.InjectorFactoryImpl;
import org.jboss.resteasy.core.MediaTypeMap;
import org.jboss.resteasy.core.interception.ClientResponseFilterRegistry;
import org.jboss.resteasy.core.interception.ContainerRequestFilterRegistry;
import org.jboss.resteasy.core.interception.ContainerResponseFilterRegistry;
import org.jboss.resteasy.core.interception.InterceptorRegistry;
import org.jboss.resteasy.core.interception.JaxrsInterceptorRegistry;
import org.jboss.resteasy.core.interception.LegacyPrecedence;
import org.jboss.resteasy.core.interception.ReaderInterceptorRegistry;
import org.jboss.resteasy.core.interception.WriterInterceptorRegistry;
import org.jboss.resteasy.logging.Logger;
import org.jboss.resteasy.plugins.delegates.CacheControlDelegate;
import org.jboss.resteasy.plugins.delegates.CookieHeaderDelegate;
import org.jboss.resteasy.plugins.delegates.DateDelegate;
import org.jboss.resteasy.plugins.delegates.EntityTagDelegate;
import org.jboss.resteasy.plugins.delegates.LinkDelegate;
import org.jboss.resteasy.plugins.delegates.LinkHeaderDelegate;
import org.jboss.resteasy.plugins.delegates.LocaleDelegate;
import org.jboss.resteasy.plugins.delegates.MediaTypeHeaderDelegate;
import org.jboss.resteasy.plugins.delegates.NewCookieHeaderDelegate;
import org.jboss.resteasy.plugins.delegates.UriHeaderDelegate;
import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
import org.jboss.resteasy.specimpl.LinkBuilderImpl;
import org.jboss.resteasy.specimpl.ResponseBuilderImpl;
import org.jboss.resteasy.specimpl.ResteasyUriBuilder;
import org.jboss.resteasy.specimpl.VariantListBuilderImpl;
import org.jboss.resteasy.spi.interception.ClientExecutionInterceptor;
import org.jboss.resteasy.spi.interception.MessageBodyReaderInterceptor;
import org.jboss.resteasy.spi.interception.MessageBodyWriterInterceptor;
import org.jboss.resteasy.spi.interception.PostProcessInterceptor;
import org.jboss.resteasy.spi.interception.PreProcessInterceptor;
import org.jboss.resteasy.util.FeatureContextDelegate;
import org.jboss.resteasy.util.PickConstructor;
import org.jboss.resteasy.util.ThreadLocalStack;
import org.jboss.resteasy.util.Types;

import javax.annotation.Priority;
import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.Consumes;
import javax.ws.rs.Priorities;
import javax.ws.rs.Produces;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.ClientResponseFilter;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.container.ContainerResponseFilter;
import javax.ws.rs.container.DynamicFeature;
import javax.ws.rs.core.*;
import javax.ws.rs.core.Link;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.ParamConverter;
import javax.ws.rs.ext.ParamConverterProvider;
import javax.ws.rs.ext.Providers;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.RuntimeDelegate;
import javax.ws.rs.ext.WriterInterceptor;
import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.atomic.AtomicReference;

/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
@SuppressWarnings("unchecked")
public class ResteasyProviderFactory extends RuntimeDelegate implements Providers, HeaderValueProcessor, Configurable<ResteasyProviderFactory>, Configuration
{
   /**
    * Allow us to sort message body implementations that are more specific for their types
    * i.e. MessageBodyWriter<Object> is less specific than MessageBodyWriter<String>.
    * <p/>
    * This helps out a lot when the desired media type is a wildcard and to weed out all the possible
    * default mappings.
    */
   protected static class SortedKey<T> implements Comparable<SortedKey<T>>, MediaTypeMap.Typed
   {
      public Class readerClass;
      public T obj;

      public boolean isBuiltin = false;

      public Class template = null;


      private SortedKey(Class intf, T reader, Class readerClass, boolean isBuiltin)
      {
         this(intf, reader, readerClass);
         this.isBuiltin = isBuiltin;
      }


      private SortedKey(Class intf, T reader, Class readerClass)
      {
         this.readerClass = readerClass;
         this.obj = reader;
         // check the super class for the generic type 1st
         template = Types.getTemplateParameterOfInterface(readerClass, intf);
         if (template == null) template = Object.class;
      }

      public int compareTo(SortedKey<T> tMessageBodyKey)
      {
         // Sort user provider before builtins
         if (this == tMessageBodyKey) return 0;
         if (isBuiltin == tMessageBodyKey.isBuiltin) return 0;
         if (isBuiltin) return 1;
         else return -1;
      }

      public Class getType()
      {
         return template;
      }
   }

   protected static AtomicReference<ResteasyProviderFactory> pfr = new AtomicReference<ResteasyProviderFactory>();
   protected static ThreadLocalStack<Map<Class<?>, Object>> contextualData = new ThreadLocalStack<Map<Class<?>, Object>>();
   protected static int maxForwards = 20;
   protected static volatile ResteasyProviderFactory instance;
   public static boolean registerBuiltinByDefault = true;

   protected MediaTypeMap<SortedKey<MessageBodyReader>> serverMessageBodyReaders;
   protected MediaTypeMap<SortedKey<MessageBodyWriter>> serverMessageBodyWriters;
   protected MediaTypeMap<SortedKey<MessageBodyReader>> clientMessageBodyReaders;
   protected MediaTypeMap<SortedKey<MessageBodyWriter>> clientMessageBodyWriters;
   protected Map<Class<?>, ExceptionMapper> exceptionMappers;
   protected Map<Class<?>, ClientExceptionMapper> clientExceptionMappers;
   protected Map<Class<?>, MediaTypeMap<SortedKey<ContextResolver>>> contextResolvers;
   protected Map<Class<?>, StringConverter> stringConverters;
   protected List<ParamConverterProvider> paramConverterProviders;
   protected Map<Class<?>, Class<? extends StringParameterUnmarshaller>> stringParameterUnmarshallers;
   protected Map<Class<?>, Map<Class<?>, Integer>> classContracts;

   protected Map<Class<?>, HeaderDelegate> headerDelegates;

   protected LegacyPrecedence precedence;
   protected ReaderInterceptorRegistry serverReaderInterceptorRegistry;
   protected WriterInterceptorRegistry serverWriterInterceptorRegistry;
   protected ContainerRequestFilterRegistry containerRequestFilterRegistry;
   protected ContainerResponseFilterRegistry containerResponseFilterRegistry;

   protected JaxrsInterceptorRegistry<ClientRequestFilter> clientRequestFilters;
   protected ClientResponseFilterRegistry clientResponseFilters;
   protected ReaderInterceptorRegistry clientReaderInterceptorRegistry;
   protected WriterInterceptorRegistry clientWriterInterceptorRegistry;
   protected InterceptorRegistry<ClientExecutionInterceptor> clientExecutionInterceptorRegistry;

   protected List<ClientErrorInterceptor> clientErrorInterceptors;

   protected boolean builtinsRegistered = false;
   protected boolean registerBuiltins = true;

   protected InjectorFactory injectorFactory;
   protected ResteasyProviderFactory parent;

   protected Set<DynamicFeature> serverDynamicFeatures;
   protected Set<DynamicFeature> clientDynamicFeatures;
   protected Set<Feature> enabledFeatures;
   protected Map<String, Object> properties;
   protected Set<Class<?>> providerClasses;
   protected Set<Object> providerInstances;
   protected Set<Class<?>> featureClasses;
   protected Set<Object> featureInstances;

   private final static Logger logger = Logger.getLogger(ResteasyProviderFactory.class);


   public ResteasyProviderFactory()
   {
      // NOTE!!! It is important to put all initialization into initialize() as ThreadLocalResteasyProviderFactory
      // subclasses and delegates to this class.
      initialize();
   }

   /**
    * Copies a specific component registry when a new
    * provider is added. Otherwise delegates to the parent.
    *
    * @param parent
    */
   public ResteasyProviderFactory(ResteasyProviderFactory parent)
   {
      this.parent = parent;
      featureClasses = new CopyOnWriteArraySet<Class<?>>();
      featureInstances = new CopyOnWriteArraySet<Object>();
      providerClasses = new CopyOnWriteArraySet<Class<?>>();
      providerInstances = new CopyOnWriteArraySet<Object>();
      properties = new ConcurrentHashMap<String, Object>();
      properties.putAll(parent.getProperties());
      enabledFeatures = new CopyOnWriteArraySet<Feature>();
   }

   protected void initialize()
   {
      serverDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>();
      clientDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>();
      enabledFeatures = new CopyOnWriteArraySet<Feature>();
      properties = new ConcurrentHashMap<String, Object>();
      featureClasses = new CopyOnWriteArraySet<Class<?>>();
      featureInstances = new CopyOnWriteArraySet<Object>();
      providerClasses = new CopyOnWriteArraySet<Class<?>>();
      providerInstances = new CopyOnWriteArraySet<Object>();
      classContracts = new ConcurrentHashMap<Class<?>, Map<Class<?>, Integer>>();
      serverMessageBodyReaders = new MediaTypeMap<SortedKey<MessageBodyReader>>();
      serverMessageBodyWriters = new MediaTypeMap<SortedKey<MessageBodyWriter>>();
      clientMessageBodyReaders = new MediaTypeMap<SortedKey<MessageBodyReader>>();
      clientMessageBodyWriters = new MediaTypeMap<SortedKey<MessageBodyWriter>>();
      exceptionMappers = new ConcurrentHashMap<Class<?>, ExceptionMapper>();
      clientExceptionMappers = new ConcurrentHashMap<Class<?>, ClientExceptionMapper>();
      contextResolvers = new ConcurrentHashMap<Class<?>, MediaTypeMap<SortedKey<ContextResolver>>>();
      paramConverterProviders = new CopyOnWriteArrayList<ParamConverterProvider>();
      stringConverters = new ConcurrentHashMap<Class<?>, StringConverter>();
      stringParameterUnmarshallers = new ConcurrentHashMap<Class<?>, Class<? extends StringParameterUnmarshaller>>();

      headerDelegates = new ConcurrentHashMap<Class<?>, HeaderDelegate>();

      precedence = new LegacyPrecedence();
      serverReaderInterceptorRegistry = new ReaderInterceptorRegistry(this, precedence);
      serverWriterInterceptorRegistry = new WriterInterceptorRegistry(this, precedence);
      containerRequestFilterRegistry = new ContainerRequestFilterRegistry(this, precedence);
      containerResponseFilterRegistry = new ContainerResponseFilterRegistry(this, precedence);

      clientRequestFilters = new JaxrsInterceptorRegistry<ClientRequestFilter>(this, ClientRequestFilter.class);
      clientResponseFilters = new ClientResponseFilterRegistry(this);
      clientReaderInterceptorRegistry = new ReaderInterceptorRegistry(this, precedence);
      clientWriterInterceptorRegistry = new WriterInterceptorRegistry(this, precedence);
      clientExecutionInterceptorRegistry = new InterceptorRegistry<ClientExecutionInterceptor>(ClientExecutionInterceptor.class, this);

      clientErrorInterceptors = new CopyOnWriteArrayList<ClientErrorInterceptor>();

      builtinsRegistered = false;
      registerBuiltins = true;

      injectorFactory = new InjectorFactoryImpl();
      registerDefaultInterceptorPrecedences();
      addHeaderDelegate(MediaType.class, new MediaTypeHeaderDelegate());
      addHeaderDelegate(NewCookie.class, new NewCookieHeaderDelegate());
      addHeaderDelegate(Cookie.class, new CookieHeaderDelegate());
      addHeaderDelegate(URI.class, new UriHeaderDelegate());
      addHeaderDelegate(EntityTag.class, new EntityTagDelegate());
      addHeaderDelegate(CacheControl.class, new CacheControlDelegate());
      addHeaderDelegate(Locale.class, new LocaleDelegate());
      addHeaderDelegate(LinkHeader.class, new LinkHeaderDelegate());
      addHeaderDelegate(javax.ws.rs.core.Link.class, new LinkDelegate());
      addHeaderDelegate(Date.class, new DateDelegate());
   }

   public Set<DynamicFeature> getServerDynamicFeatures()
   {
      if (serverDynamicFeatures == null && parent != null) return parent.getServerDynamicFeatures();
      return serverDynamicFeatures;
   }

   public Set<DynamicFeature> getClientDynamicFeatures()
   {
      if (clientDynamicFeatures == null && parent != null) return parent.getClientDynamicFeatures();
      return clientDynamicFeatures;
   }


   protected MediaTypeMap<SortedKey<MessageBodyReader>> getServerMessageBodyReaders()
   {
      if (serverMessageBodyReaders == null && parent != null) return parent.getServerMessageBodyReaders();
      return serverMessageBodyReaders;
   }

   protected MediaTypeMap<SortedKey<MessageBodyWriter>> getServerMessageBodyWriters()
   {
      if (serverMessageBodyWriters == null && parent != null) return parent.getServerMessageBodyWriters();
      return serverMessageBodyWriters;
   }

   protected MediaTypeMap<SortedKey<MessageBodyReader>> getClientMessageBodyReaders()
   {
      if (clientMessageBodyReaders == null && parent != null) return parent.getClientMessageBodyReaders();
      return clientMessageBodyReaders;
   }

   protected MediaTypeMap<SortedKey<MessageBodyWriter>> getClientMessageBodyWriters()
   {
      if (clientMessageBodyWriters == null && parent != null) return parent.getClientMessageBodyWriters();
      return clientMessageBodyWriters;
   }



   public Map<Class<?>, ExceptionMapper> getExceptionMappers()
   {
      if (exceptionMappers == null && parent != null) return parent.getExceptionMappers();
      return exceptionMappers;
   }

   protected Map<Class<?>, ClientExceptionMapper> getClientExceptionMappers()
   {
      if (clientExceptionMappers == null && parent != null) return parent.getClientExceptionMappers();
      return clientExceptionMappers;
   }

   protected Map<Class<?>, MediaTypeMap<SortedKey<ContextResolver>>> getContextResolvers()
   {
      if (contextResolvers == null && parent != null) return parent.getContextResolvers();
      return contextResolvers;
   }

   protected Map<Class<?>, StringConverter> getStringConverters()
   {
      if (stringConverters == null && parent != null) return parent.getStringConverters();
      return stringConverters;
   }

   protected List<ParamConverterProvider> getParamConverterProviders()
   {
      if (paramConverterProviders == null && parent != null) return parent.getParamConverterProviders();
      return paramConverterProviders;
   }


   protected Map<Class<?>, Class<? extends StringParameterUnmarshaller>> getStringParameterUnmarshallers()
   {
      if (stringParameterUnmarshallers == null && parent != null) return parent.getStringParameterUnmarshallers();
      return stringParameterUnmarshallers;
   }

   /**
    * Copy
    *
    * @return
    */
   public Set<Class<?>> getProviderClasses()
   {
      if (providerClasses == null && parent != null) return parent.getProviderClasses();
      Set<Class<?>> set = new HashSet<Class<?>>();
      if (parent != null) set.addAll(parent.getProviderClasses());
      set.addAll(providerClasses);
      return set;
   }

   /**
    * Copy
    *
    * @return
    */
   public Set<Object> getProviderInstances()
   {
      if (providerInstances == null && parent != null) return parent.getProviderInstances();
      Set<Object> set = new HashSet<Object>();
      if (parent != null) set.addAll(parent.getProviderInstances());
      set.addAll(providerInstances);
      return set;
   }

   public Map<Class<?>, Map<Class<?>, Integer>> getClassContracts()
   {
      if (classContracts != null) return classContracts;
      Map<Class<?>, Map<Class<?>, Integer>> map = new ConcurrentHashMap<Class<?>, Map<Class<?>, Integer>>();
      if (parent != null)
      {
         for (Map.Entry<Class<?>, Map<Class<?>, Integer>> entry : parent.getClassContracts().entrySet())
         {
            Map<Class<?>, Integer> mapEntry = new HashMap<Class<?>, Integer>();
            mapEntry.putAll(entry.getValue());
            map.put(entry.getKey(), mapEntry);
         }
      }
      classContracts = map;
      return classContracts;
   }

   protected LegacyPrecedence getPrecedence()
   {
      if (precedence == null && parent != null) return parent.getPrecedence();
      return precedence;
   }

   public ResteasyProviderFactory getParent()
   {
      return parent;
   }

   protected void registerDefaultInterceptorPrecedences(InterceptorRegistry registry)
   {
      // legacy
      registry.appendPrecedence(SecurityPrecedence.PRECEDENCE_STRING);
      registry.appendPrecedence(HeaderDecoratorPrecedence.PRECEDENCE_STRING);
      registry.appendPrecedence(EncoderPrecedence.PRECEDENCE_STRING);
      registry.appendPrecedence(RedirectPrecedence.PRECEDENCE_STRING);
      registry.appendPrecedence(DecoderPrecedence.PRECEDENCE_STRING);

   }

   protected void registerDefaultInterceptorPrecedences()
   {
      precedence.addPrecedence(SecurityPrecedence.PRECEDENCE_STRING, Priorities.AUTHENTICATION);
      precedence.addPrecedence(HeaderDecoratorPrecedence.PRECEDENCE_STRING, Priorities.HEADER_DECORATOR);
      precedence.addPrecedence(EncoderPrecedence.PRECEDENCE_STRING, Priorities.ENTITY_CODER);
      precedence.addPrecedence(RedirectPrecedence.PRECEDENCE_STRING, Priorities.ENTITY_CODER + 50);
      precedence.addPrecedence(DecoderPrecedence.PRECEDENCE_STRING, Priorities.ENTITY_CODER);

      registerDefaultInterceptorPrecedences(getClientExecutionInterceptorRegistry());
   }

   /**
    * Append interceptor predence
    *
    * @param precedence
    */
   public void appendInterceptorPrecedence(String precedence)
   {
      if (this.precedence == null)
      {
         this.precedence = parent.getPrecedence().clone();
      }
      if (clientExecutionInterceptorRegistry == null)
      {
         clientExecutionInterceptorRegistry = parent.getClientExecutionInterceptorRegistry().cloneTo(this);
      }
      this.precedence.appendPrecedence(precedence);
      clientExecutionInterceptorRegistry.appendPrecedence(precedence);
   }

   /**
    * @param after         put newPrecedence after this
    * @param newPrecedence
    */
   public void insertInterceptorPrecedenceAfter(String after, String newPrecedence)
   {
      if (this.precedence == null)
      {
         this.precedence = parent.getPrecedence().clone();
      }
      if (clientExecutionInterceptorRegistry == null)
      {
         clientExecutionInterceptorRegistry = parent.getClientExecutionInterceptorRegistry().cloneTo(this);
      }
      this.precedence.insertPrecedenceAfter(after, newPrecedence);

      getClientExecutionInterceptorRegistry().insertPrecedenceAfter(after, newPrecedence);
   }

   /**
    * @param before        put newPrecedence before this
    * @param newPrecedence
    */
   public void insertInterceptorPrecedenceBefore(String before, String newPrecedence)
   {
      if (this.precedence == null)
      {
         this.precedence = parent.getPrecedence().clone();
      }
      if (clientExecutionInterceptorRegistry == null)
      {
         clientExecutionInterceptorRegistry = parent.getClientExecutionInterceptorRegistry().cloneTo(this);
      }
      this.precedence.insertPrecedenceBefore(before, newPrecedence);

      getClientExecutionInterceptorRegistry().insertPrecedenceBefore(before, newPrecedence);
   }


   public static <T> void pushContext(Class<T> type, T data)
   {
      getContextDataMap().put(type, data);
   }

   public static void pushContextDataMap(Map<Class<?>, Object> map)
   {
      contextualData.setLast(map);
   }

   public static Map<Class<?>, Object> getContextDataMap()
   {
      return getContextDataMap(true);
   }

   public static <T> T getContextData(Class<T> type)
   {
      return (T) getContextDataMap().get(type);
   }

   public static <T> T popContextData(Class<T> type)
   {
      return (T) getContextDataMap().remove(type);
   }

   public static void clearContextData()
   {
      contextualData.clear();
   }

   private static Map<Class<?>, Object> getContextDataMap(boolean create)
   {
      Map<Class<?>, Object> map = contextualData.get();
      if (map == null)
      {
         contextualData.setLast(map = new HashMap<Class<?>, Object>());
      }
      return map;
   }

   public static Map<Class<?>, Object> addContextDataLevel()
   {
      if (getContextDataLevelCount() == maxForwards)
      {
         throw new BadRequestException(
                 "You have exceeded your maximum forwards ResteasyProviderFactory allows.  Last good uri: "
                         + getContextData(UriInfo.class).getPath());
      }
      Map<Class<?>, Object> map = new HashMap<Class<?>, Object>();
      contextualData.push(map);
      return map;
   }

   public static int getContextDataLevelCount()
   {
      return contextualData.size();
   }

   public static void removeContextDataLevel()
   {
      contextualData.pop();
   }

   /**
    * Will not initialize singleton if not set
    *
    * @return
    */
   public static ResteasyProviderFactory peekInstance()
   {
      return instance;
   }

   public synchronized static void clearInstanceIfEqual(ResteasyProviderFactory factory)
   {
      if (instance == factory)
      {
         instance = null;
         RuntimeDelegate.setInstance(null);
      }
   }

   public synchronized static void setInstance(ResteasyProviderFactory factory)
   {
      synchronized (RD_LOCK)
      {
         instance = factory;
      }
      RuntimeDelegate.setInstance(factory);
   }

   final static Object RD_LOCK = new Object();

   /**
    * Initializes ResteasyProviderFactory singleton if not set
    *
    * @return
    */
   public static ResteasyProviderFactory getInstance()
   {
      ResteasyProviderFactory result = instance;
      if (result == null)
      { // First check (no locking)
         synchronized (RD_LOCK)
         {
            result = instance;
            if (result == null)
            { // Second check (with locking)
               RuntimeDelegate runtimeDelegate = RuntimeDelegate.getInstance();
               if (runtimeDelegate instanceof ResteasyProviderFactory)
               {
                  instance = result = (ResteasyProviderFactory) runtimeDelegate;
               }
               else
               {
                  instance = result = new ResteasyProviderFactory();
               }
               if (registerBuiltinByDefault) RegisterBuiltin.register(instance);
            }
         }
      }
      return instance;
   }

   public static void setRegisterBuiltinByDefault(boolean registerBuiltinByDefault)
   {
      ResteasyProviderFactory.registerBuiltinByDefault = registerBuiltinByDefault;
   }


   public boolean isRegisterBuiltins()
   {
      return registerBuiltins;
   }

   public void setRegisterBuiltins(boolean registerBuiltins)
   {
      this.registerBuiltins = registerBuiltins;
   }

   public InjectorFactory getInjectorFactory()
   {
      if (injectorFactory == null && parent != null) return parent.getInjectorFactory();
      return injectorFactory;
   }

   public void setInjectorFactory(InjectorFactory injectorFactory)
   {
      this.injectorFactory = injectorFactory;
   }

   public InterceptorRegistry<ClientExecutionInterceptor> getClientExecutionInterceptorRegistry()
   {
      if (clientExecutionInterceptorRegistry == null && parent != null)
         return parent.getClientExecutionInterceptorRegistry();
      return clientExecutionInterceptorRegistry;
   }

   public ReaderInterceptorRegistry getServerReaderInterceptorRegistry()
   {
      if (serverReaderInterceptorRegistry == null && parent != null) return parent.getServerReaderInterceptorRegistry();
      return serverReaderInterceptorRegistry;
   }

   public WriterInterceptorRegistry getServerWriterInterceptorRegistry()
   {
      if (serverWriterInterceptorRegistry == null && parent != null) return parent.getServerWriterInterceptorRegistry();
      return serverWriterInterceptorRegistry;
   }

   public ContainerRequestFilterRegistry getContainerRequestFilterRegistry()
   {
      if (containerRequestFilterRegistry == null && parent != null) return parent.getContainerRequestFilterRegistry();
      return containerRequestFilterRegistry;
   }

   public ContainerResponseFilterRegistry getContainerResponseFilterRegistry()
   {
      if (containerResponseFilterRegistry == null && parent != null) return parent.getContainerResponseFilterRegistry();
      return containerResponseFilterRegistry;
   }

   public ReaderInterceptorRegistry getClientReaderInterceptorRegistry()
   {
      if (clientReaderInterceptorRegistry == null && parent != null) return parent.getClientReaderInterceptorRegistry();
      return clientReaderInterceptorRegistry;
   }

   public WriterInterceptorRegistry getClientWriterInterceptorRegistry()
   {
      if (clientWriterInterceptorRegistry == null && parent != null) return parent.getClientWriterInterceptorRegistry();
      return clientWriterInterceptorRegistry;
   }

   public JaxrsInterceptorRegistry<ClientRequestFilter> getClientRequestFilters()
   {
      if (clientRequestFilters == null && parent != null) return parent.getClientRequestFilters();
      return clientRequestFilters;
   }

   public ClientResponseFilterRegistry getClientResponseFilters()
   {
      if (clientResponseFilters == null && parent != null) return parent.getClientResponseFilters();
      return clientResponseFilters;
   }

   public boolean isBuiltinsRegistered()
   {
      return builtinsRegistered;
   }

   public void setBuiltinsRegistered(boolean builtinsRegistered)
   {
      this.builtinsRegistered = builtinsRegistered;
   }

   public UriBuilder createUriBuilder()
   {
      return new ResteasyUriBuilder();
   }

   public Response.ResponseBuilder createResponseBuilder()
   {
      return new ResponseBuilderImpl();
   }

   public Variant.VariantListBuilder createVariantListBuilder()
   {
      return new VariantListBuilderImpl();
   }

   public <T> HeaderDelegate<T> createHeaderDelegate(Class<T> tClass)
   {
      if (tClass == null) throw new IllegalArgumentException("tClass parameter is null");
      if (headerDelegates == null && parent != null) return parent.createHeaderDelegate(tClass);
     
      Class<?> clazz = tClass;
      while (clazz != null)
      {
         HeaderDelegate<T> delegate = headerDelegates.get(clazz);
         if (delegate != null)
         {
            return delegate;
         }
         delegate = createHeaderDelegateFromInterfaces(clazz.getInterfaces());
         if (delegate != null)
         {
            return delegate;
         }
         clazz = clazz.getSuperclass();
      }
     
      return createHeaderDelegateFromInterfaces(tClass.getInterfaces());
   }
  
   protected <T> HeaderDelegate<T> createHeaderDelegateFromInterfaces(Class<?>[] interfaces)
   {
      HeaderDelegate<T> delegate = null;
      for (int i = 0; i < interfaces.length; i++)
      {
         delegate = headerDelegates.get(interfaces[i]);
         if (delegate != null)
         {
            return delegate;
         }
         delegate = createHeaderDelegateFromInterfaces(interfaces[i].getInterfaces());
         if (delegate != null)
         {
            return delegate;
         }
      }
      return null;
   }

   protected Map<Class<?>, HeaderDelegate> getHeaderDelegates()
   {
      if (headerDelegates == null && parent != null) return parent.getHeaderDelegates();
      return headerDelegates;
   }

   public void addHeaderDelegate(Class clazz, HeaderDelegate header)
   {
      if (headerDelegates == null)
      {
         headerDelegates = new ConcurrentHashMap<Class<?>, HeaderDelegate>();
         headerDelegates.putAll(parent.getHeaderDelegates());
      }
      headerDelegates.put(clazz, header);
   }

   protected void addMessageBodyReader(Class<? extends MessageBodyReader> provider, boolean isBuiltin)
   {
      MessageBodyReader reader = createProviderInstance(provider);
      addMessageBodyReader(reader, provider, isBuiltin);
   }

   protected void addMessageBodyReader(MessageBodyReader provider)
   {
      addMessageBodyReader(provider, false);
   }

   protected void addMessageBodyReader(MessageBodyReader provider, boolean isBuiltin)
   {
      addMessageBodyReader(provider, provider.getClass(), isBuiltin);
   }

   /**
    * Specify the provider class.  This is there jsut in case the provider instance is a proxy.  Proxies tend
    * to lose generic type information
    *
    * @param provider
    * @param providerClass
    * @param isBuiltin
    */

   protected void addMessageBodyReader(MessageBodyReader provider, Class<?> providerClass, boolean isBuiltin)
   {
      SortedKey<MessageBodyReader> key = new SortedKey<MessageBodyReader>(MessageBodyReader.class, provider, providerClass, isBuiltin);
      injectProperties(providerClass, provider);
      Consumes consumeMime = provider.getClass().getAnnotation(Consumes.class);
      RuntimeType type = null;
      ConstrainedTo constrainedTo = providerClass.getAnnotation(ConstrainedTo.class);
      if (constrainedTo != null) type = constrainedTo.value();

      if (type == null)
      {
         addClientMessageBodyReader(key, consumeMime);
         addServerMessageBodyReader(key, consumeMime);
      }
      else if (type == RuntimeType.CLIENT)
      {
         addClientMessageBodyReader(key, consumeMime);
      }
      else
      {
         addServerMessageBodyReader(key, consumeMime);
      }
   }

   protected void addServerMessageBodyReader(SortedKey<MessageBodyReader> key, Consumes consumeMime)
   {
      if (serverMessageBodyReaders == null)
      {
         serverMessageBodyReaders = parent.getServerMessageBodyReaders().clone();
      }
      if (consumeMime != null)
      {
         for (String consume : consumeMime.value())
         {
            MediaType mime = MediaType.valueOf(consume);
            serverMessageBodyReaders.add(mime, key);
         }
      }
      else
      {
         serverMessageBodyReaders.add(new MediaType("*", "*"), key);
      }
   }

   protected void addClientMessageBodyReader(SortedKey<MessageBodyReader> key, Consumes consumeMime)
   {
      if (clientMessageBodyReaders == null)
      {
         clientMessageBodyReaders = parent.getClientMessageBodyReaders().clone();
      }
      if (consumeMime != null)
      {
         for (String consume : consumeMime.value())
         {
            MediaType mime = MediaType.valueOf(consume);
            clientMessageBodyReaders.add(mime, key);
         }
      }
      else
      {
         clientMessageBodyReaders.add(new MediaType("*", "*"), key);
      }
   }

   protected void addMessageBodyWriter(Class<? extends MessageBodyWriter> provider, boolean isBuiltin)
   {
      MessageBodyWriter writer = createProviderInstance(provider);
      addMessageBodyWriter(writer, provider, isBuiltin);
   }

   protected void addMessageBodyWriter(MessageBodyWriter provider)
   {
      addMessageBodyWriter(provider, provider.getClass(), false);
   }

   /**
    * Specify the provider class.  This is there jsut in case the provider instance is a proxy.  Proxies tend
    * to lose generic type information
    *
    * @param provider
    * @param providerClass
    * @param isBuiltin
    */
   protected void addMessageBodyWriter(MessageBodyWriter provider, Class<?> providerClass, boolean isBuiltin)
   {
      injectProperties(providerClass, provider);
      Produces consumeMime = provider.getClass().getAnnotation(Produces.class);
      SortedKey<MessageBodyWriter> key = new SortedKey<MessageBodyWriter>(MessageBodyWriter.class, provider, providerClass, isBuiltin);
      RuntimeType type = null;
      ConstrainedTo constrainedTo = providerClass.getAnnotation(ConstrainedTo.class);
      if (constrainedTo != null) type = constrainedTo.value();
      if (type == null)
      {
         addClientMessageBodyWriter(consumeMime, key);
         addServerMessageBodyWriter(consumeMime, key);

      }
      else if (type == RuntimeType.CLIENT)
      {
         addClientMessageBodyWriter(consumeMime, key);

      }
      else
      {
         addServerMessageBodyWriter(consumeMime, key);
      }
   }

   protected void addServerMessageBodyWriter(Produces consumeMime, SortedKey<MessageBodyWriter> key)
   {
      if (serverMessageBodyWriters == null)
      {
         serverMessageBodyWriters = parent.getServerMessageBodyWriters().clone();
      }
      if (consumeMime != null)
      {
         for (String consume : consumeMime.value())
         {
            MediaType mime = MediaType.valueOf(consume);
            //logger.info(">>> Adding provider: " + provider.getClass().getName() + " with mime type of: " + mime);
            serverMessageBodyWriters.add(mime, key);
         }
      }
      else
      {
         //logger.info(">>> Adding provider: " + provider.getClass().getName() + " with mime type of: default */*");
         serverMessageBodyWriters.add(new MediaType("*", "*"), key);
      }
   }

   protected void addClientMessageBodyWriter(Produces consumeMime, SortedKey<MessageBodyWriter> key)
   {
      if (clientMessageBodyWriters == null)
      {
         clientMessageBodyWriters = parent.getClientMessageBodyWriters().clone();
      }
      if (consumeMime != null)
      {
         for (String consume : consumeMime.value())
         {
            MediaType mime = MediaType.valueOf(consume);
            //logger.info(">>> Adding provider: " + provider.getClass().getName() + " with mime type of: " + mime);
            clientMessageBodyWriters.add(mime, key);
         }
      }
      else
      {
         //logger.info(">>> Adding provider: " + provider.getClass().getName() + " with mime type of: default */*");
         clientMessageBodyWriters.add(new MediaType("*", "*"), key);
      }
   }

   public <T> MessageBodyReader<T> getServerMessageBodyReader(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyReader>> availableReaders = getServerMessageBodyReaders();
      return resolveMessageBodyReader(type, genericType, annotations, mediaType, availableReaders);
   }

   /**
    * Always returns server MBRs
    *
    * @param type        the class of the object that is to be read.
    * @param genericType the type of object to be produced. E.g. if the
    *                    message body is to be converted into a method parameter, this will be
    *                    the formal type of the method parameter as returned by
    *                    {@code Class.getGenericParameterTypes}.
    * @param annotations an array of the annotations on the declaration of the
    *                    artifact that will be initialized with the produced instance. E.g. if
    *                    the message body is to be converted into a method parameter, this will
    *                    be the annotations on that parameter returned by
    *                    {@code Class.getParameterAnnotations}.
    * @param mediaType   the media type of the data that will be read.
    * @param <T>
    * @return
    */
   public <T> MessageBodyReader<T> getMessageBodyReader(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyReader>> availableReaders = getServerMessageBodyReaders();
      return resolveMessageBodyReader(type, genericType, annotations, mediaType, availableReaders);
   }

   public <T> MessageBodyReader<T> getClientMessageBodyReader(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyReader>> availableReaders = getClientMessageBodyReaders();
      return resolveMessageBodyReader(type, genericType, annotations, mediaType, availableReaders);
   }

   protected <T> MessageBodyReader<T> resolveMessageBodyReader(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType, MediaTypeMap<SortedKey<MessageBodyReader>> availableReaders)
   {
      List<SortedKey<MessageBodyReader>> readers = availableReaders.getPossible(mediaType, type);

      //logger.info("******** getMessageBodyReader *******");
      for (SortedKey<MessageBodyReader> reader : readers)
      {
         //logger.info("     matching reader: " + reader.getClass().getName());
         if (reader.obj.isReadable(type, genericType, annotations, mediaType))
         {
            return (MessageBodyReader<T>) reader.obj;
         }
      }
      return null;
   }

   protected void addExceptionMapper(Class<? extends ExceptionMapper> providerClass)
   {
      ExceptionMapper provider = createProviderInstance(providerClass);
      addExceptionMapper(provider, providerClass);
   }

   protected void addExceptionMapper(ExceptionMapper provider)
   {
      addExceptionMapper(provider, provider.getClass());
   }

   protected void addExceptionMapper(ExceptionMapper provider, Class providerClass)
   {
      Type exceptionType = Types.getActualTypeArgumentsOfAnInterface(providerClass, ExceptionMapper.class)[0];
      addExceptionMapper(provider, exceptionType);
   }


   protected void addExceptionMapper(ExceptionMapper provider, Type exceptionType)
   {
      injectProperties(provider.getClass(), provider);

      Class<?> exceptionClass = Types.getRawType(exceptionType);
      if (!Throwable.class.isAssignableFrom(exceptionClass))
      {
         throw new RuntimeException("Incorrect type parameter. ExceptionMapper requires a subclass of java.lang.Throwable as its type parameter.");
      }
      if (exceptionMappers == null)
      {
         exceptionMappers = new ConcurrentHashMap<Class<?>, ExceptionMapper>();
         exceptionMappers.putAll(parent.getExceptionMappers());
      }
      exceptionMappers.put(exceptionClass, provider);
   }


   public void addClientExceptionMapper(Class<? extends ClientExceptionMapper<?>> providerClass)
   {
      ClientExceptionMapper<?> provider = createProviderInstance(providerClass);
      addClientExceptionMapper(provider, providerClass);
   }

   public void addClientExceptionMapper(ClientExceptionMapper<?> provider)
   {
      addClientExceptionMapper(provider, provider.getClass());
   }

   public void addClientExceptionMapper(ClientExceptionMapper<?> provider, Class<?> providerClass)
   {
      Type exceptionType = Types.getActualTypeArgumentsOfAnInterface(providerClass, ClientExceptionMapper.class)[0];
      addClientExceptionMapper(provider, exceptionType);
   }

   public void addClientExceptionMapper(ClientExceptionMapper<?> provider, Type exceptionType)
   {
      injectProperties(provider.getClass());

      Class<?> exceptionClass = Types.getRawType(exceptionType);
      if (!Throwable.class.isAssignableFrom(exceptionClass))
      {
         throw new RuntimeException("Incorrect type parameter. ClientExceptionMapper requires a subclass of java.lang.Throwable as its type parameter.");
      }
      if (clientExceptionMappers == null)
      {
         clientExceptionMappers = new ConcurrentHashMap<Class<?>, ClientExceptionMapper>();
         clientExceptionMappers.putAll(parent.getClientExceptionMappers());
      }
      clientExceptionMappers.put(exceptionClass, provider);
   }

   /**
    * Add a {@link ClientErrorInterceptor} to this provider factory instance.
    * Duplicate handlers are ignored. (For Client Proxy API only)
    */
   public void addClientErrorInterceptor(ClientErrorInterceptor handler)
   {
      if (clientErrorInterceptors == null)
      {
         clientErrorInterceptors = new CopyOnWriteArrayList<ClientErrorInterceptor>(parent.getClientErrorInterceptors());
      }
      if (!clientErrorInterceptors.contains(handler))
      {
         clientErrorInterceptors.add(handler);
      }
   }


   /**
    * Return the list of currently registered {@link ClientErrorInterceptor} instances.
    */
   public List<ClientErrorInterceptor> getClientErrorInterceptors()
   {
      if (clientErrorInterceptors == null && parent != null) return parent.getClientErrorInterceptors();
      return clientErrorInterceptors;
   }

   protected void addContextResolver(Class<? extends ContextResolver> resolver, boolean builtin)
   {
      ContextResolver writer = createProviderInstance(resolver);
      addContextResolver(writer, resolver, builtin);
   }

   protected void addContextResolver(ContextResolver provider)
   {
      addContextResolver(provider, false);
   }

   protected void addContextResolver(ContextResolver provider, boolean builtin)
   {
      addContextResolver(provider, provider.getClass(), builtin);
   }

   protected void addContextResolver(ContextResolver provider, Class providerClass, boolean builtin)
   {
      Type parameter = Types.getActualTypeArgumentsOfAnInterface(providerClass, ContextResolver.class)[0];
      addContextResolver(provider, parameter, providerClass, builtin);
   }

   protected void addContextResolver(ContextResolver provider, Type typeParameter, Class providerClass, boolean builtin)
   {
      injectProperties(providerClass, provider);
      Class<?> parameterClass = Types.getRawType(typeParameter);
      if (contextResolvers == null)
      {
         contextResolvers = new ConcurrentHashMap<Class<?>, MediaTypeMap<SortedKey<ContextResolver>>>();
         for (Map.Entry<Class<?>, MediaTypeMap<SortedKey<ContextResolver>>> entry : parent.getContextResolvers().entrySet())
         {
            contextResolvers.put(entry.getKey(), entry.getValue().clone());
         }
      }
      MediaTypeMap<SortedKey<ContextResolver>> resolvers = contextResolvers.get(parameterClass);
      if (resolvers == null)
      {
         resolvers = new MediaTypeMap<SortedKey<ContextResolver>>();
         contextResolvers.put(parameterClass, resolvers);
      }
      Produces produces = provider.getClass().getAnnotation(Produces.class);
      SortedKey<ContextResolver> key = new SortedKey<ContextResolver>(ContextResolver.class, provider, providerClass, builtin);
      if (produces != null)
      {
         for (String produce : produces.value())
         {
            MediaType mime = MediaType.valueOf(produce);
            resolvers.add(mime, key);
         }
      }
      else
      {
         resolvers.add(new MediaType("*", "*"), key);
      }
   }

   protected void addStringConverter(Class<? extends StringConverter> resolver)
   {
      StringConverter writer = createProviderInstance(resolver);
      addStringConverter(writer, resolver);
   }

   protected void addStringConverter(StringConverter provider)
   {
      addStringConverter(provider, provider.getClass());
   }

   protected void addStringConverter(StringConverter provider, Class providerClass)
   {
      Type parameter = Types.getActualTypeArgumentsOfAnInterface(providerClass, StringConverter.class)[0];
      addStringConverter(provider, parameter);
   }

   protected void addStringConverter(StringConverter provider, Type typeParameter)
   {
      injectProperties(provider.getClass(), provider);
      Class<?> parameterClass = Types.getRawType(typeParameter);
      if (stringConverters == null)
      {
         stringConverters = new ConcurrentHashMap<Class<?>, StringConverter>();
         stringConverters.putAll(parent.getStringConverters());
      }
      stringConverters.put(parameterClass, provider);
   }


   public void addStringParameterUnmarshaller(Class<? extends StringParameterUnmarshaller> provider)
   {
      if (stringParameterUnmarshallers == null)
      {
         stringParameterUnmarshallers = new ConcurrentHashMap<Class<?>, Class<? extends StringParameterUnmarshaller>>();
         stringParameterUnmarshallers.putAll(parent.getStringParameterUnmarshallers());
      }
      Type[] intfs = provider.getGenericInterfaces();
      for (Type type : intfs)
      {
         if (type instanceof ParameterizedType)
         {
            ParameterizedType pt = (ParameterizedType) type;
            if (pt.getRawType().equals(StringParameterUnmarshaller.class))
            {
               Class<?> aClass = Types.getRawType(pt.getActualTypeArguments()[0]);
               stringParameterUnmarshallers.put(aClass, provider);
            }
         }
      }
   }

   public List<ContextResolver> getContextResolvers(Class<?> clazz, MediaType type)
   {
      MediaTypeMap<SortedKey<ContextResolver>> resolvers = getContextResolvers().get(clazz);
      if (resolvers == null) return null;
      List<ContextResolver> rtn = new ArrayList<ContextResolver>();

      List<SortedKey<ContextResolver>> list = resolvers.getPossible(type);
      if (type.isWildcardType())
      {
         // do it upside down if it is a wildcard type:  Note: this is to pass the stupid TCK which prefers that
         // a wildcard type match up with other wildcard types
         for (int i = list.size() - 1; i >= 0; i--)
         {
            rtn.add(list.get(i).obj);
         }
      }
      else
      {
         for (SortedKey<ContextResolver> resolver : list)
         {
            rtn.add(resolver.obj);
         }
      }
      return rtn;
   }

   public ParamConverter getParamConverter(Class clazz, Type genericType, Annotation[] annotations)
   {
      for (ParamConverterProvider provider : getParamConverterProviders())
      {
         ParamConverter converter = provider.getConverter(clazz, genericType, annotations);
         if (converter != null) return converter;
      }
      return null;
   }

   public StringConverter getStringConverter(Class<?> clazz)
   {
      if (getStringConverters().size() == 0) return null;
      return getStringConverters().get(clazz);
   }

   public <T> StringParameterUnmarshaller<T> createStringParameterUnmarshaller(Class<T> clazz)
   {
      if (getStringParameterUnmarshallers().size() == 0) return null;
      Class<? extends StringParameterUnmarshaller> un = getStringParameterUnmarshallers().get(clazz);
      if (un == null) return null;
      StringParameterUnmarshaller<T> provider = injectedInstance(un);
      return provider;

   }

   public void registerProvider(Class provider)
   {
      registerProvider(provider, false);
   }

   /**
    * Convert an object to a string.  First try StringConverter then, object.ToString()
    *
    * @param object
    * @return
    */
   public String toString(Object object, Class clazz, Type genericType, Annotation[] annotations)
   {
      if (object instanceof String)
         return (String) object;
      ParamConverter paramConverter = getParamConverter(clazz, genericType, annotations);
      if (paramConverter != null)
      {
         return paramConverter.toString(object);
      }
      StringConverter converter = getStringConverter(object
              .getClass());
      if (converter != null)
         return converter.toString(object);
      else
         return object.toString();

   }

   @Override
   public String toHeaderString(Object object)
   {
      if (object instanceof String) return (String) object;
      Class<?> aClass = object.getClass();
      ParamConverter paramConverter = getParamConverter(aClass, null, null);
      if (paramConverter != null)
      {
         return paramConverter.toString(object);
      }
      StringConverter converter = getStringConverter(aClass);
      if (converter != null)
         return converter.toString(object);

      HeaderDelegate delegate = getHeaderDelegate(aClass);
      if (delegate != null)
         return delegate.toString(object);
      else
         return object.toString();

   }

   /**
    * Checks to see if RuntimeDelegate is a ResteasyProviderFactory
    * If it is, then use that, otherwise use this
    *
    * @param aClass
    * @return
    */
   public HeaderDelegate getHeaderDelegate(Class<?> aClass)
   {
      HeaderDelegate delegate = null;
      // Stupid idiotic TCK calls RuntimeDelegate.setInstance()
      if (RuntimeDelegate.getInstance() instanceof ResteasyProviderFactory)
      {
         delegate = createHeaderDelegate(aClass);
      }
      else
      {
         delegate = RuntimeDelegate.getInstance().createHeaderDelegate(aClass);
      }
      return delegate;
   }

   /**
    * Register a @Provider class.  Can be a MessageBodyReader/Writer or ExceptionMapper.
    *
    * @param provider
    */
   public void registerProvider(Class provider, boolean isBuiltin)
   {
      registerProvider(provider, null, isBuiltin, null);
   }

   protected boolean isA(Class target, Class type, Map<Class<?>, Integer> contracts)
   {
      if (!type.isAssignableFrom(target)) return false;
      if (contracts == null || contracts.size() == 0) return true;
      for (Class<?> contract : contracts.keySet())
      {
         if (contract.equals(type)) return true;
      }
      return false;
   }

   protected boolean isA(Object target, Class type, Map<Class<?>, Integer> contracts)
   {
      return isA(target.getClass(), type, contracts);
   }

   protected int getPriority(Integer override, Map<Class<?>, Integer> contracts, Class type, Class<?> component)
   {
      if (override != null) return override;
      if (contracts != null)
      {
         Integer p = contracts.get(type);
         if (p != null) return p;
      }
      Priority priority = component.getAnnotation(Priority.class);
      if (priority == null) return Priorities.USER;
      return priority.value();
   }

   public void registerProvider(Class provider, Integer priorityOverride, boolean isBuiltin, Map<Class<?>, Integer> contracts)
   {
      if (getClasses().contains(provider))
      {
         //logger.warn("Provider class " + provider.getName() + " is already registered.  2nd registration is being ignored.");
         return;
      }
      Map<Class<?>, Integer> newContracts = new HashMap<Class<?>, Integer>();

      if (isA(provider, ParamConverterProvider.class, contracts))
      {
         ParamConverterProvider paramConverterProvider = (ParamConverterProvider) injectedInstance(provider);
         injectProperties(provider);
         if (paramConverterProviders == null)
         {
            paramConverterProviders = new CopyOnWriteArrayList<ParamConverterProvider>(parent.getParamConverterProviders());
         }
         paramConverterProviders.add(paramConverterProvider);
         newContracts.put(ParamConverterProvider.class, getPriority(priorityOverride, contracts, ParamConverterProvider.class, provider));
      }
      if (isA(provider, MessageBodyReader.class, contracts))
      {
         try
         {
            addMessageBodyReader(provider, isBuiltin);
            newContracts.put(MessageBodyReader.class, getPriority(priorityOverride, contracts, MessageBodyReader.class, provider));
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate MessageBodyReader", e);
         }
      }
      if (isA(provider, MessageBodyWriter.class, contracts))
      {
         try
         {
            addMessageBodyWriter(provider, isBuiltin);
            newContracts.put(MessageBodyWriter.class, getPriority(priorityOverride, contracts, MessageBodyWriter.class, provider));
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate MessageBodyWriter", e);
         }
      }
      if (isA(provider, ExceptionMapper.class, contracts))
      {
         try
         {
            addExceptionMapper(provider);
            newContracts.put(ExceptionMapper.class, getPriority(priorityOverride, contracts, ExceptionMapper.class, provider));
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ExceptionMapper", e);
         }
      }
      if (isA(provider, ClientExceptionMapper.class, contracts))
      {
         try
         {
            addClientExceptionMapper(provider);
            newContracts.put(ClientExceptionMapper.class, getPriority(priorityOverride, contracts, ClientExceptionMapper.class, provider));
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ClientExceptionMapper", e);
         }
      }
      if (isA(provider, ClientRequestFilter.class, contracts))
      {
         if (clientRequestFilters == null)
         {
            clientRequestFilters = parent.getClientRequestFilters().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ClientRequestFilter.class, provider);
         clientRequestFilters.registerClass(provider, priority);
         newContracts.put(ClientRequestFilter.class, priority);
      }
      if (isA(provider, ClientResponseFilter.class, contracts))
      {
         if (clientResponseFilters == null)
         {
            clientResponseFilters = parent.getClientResponseFilters().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ClientResponseFilter.class, provider);
         clientResponseFilters.registerClass(provider, priority);
         newContracts.put(ClientResponseFilter.class, priority);
      }
      if (isA(provider, ClientExecutionInterceptor.class, contracts))
      {
         if (clientExecutionInterceptorRegistry == null)
         {
            clientExecutionInterceptorRegistry = parent.getClientExecutionInterceptorRegistry().cloneTo(this);
         }
         clientExecutionInterceptorRegistry.register(provider);
         newContracts.put(ClientExecutionInterceptor.class, 0);
      }
      if (isA(provider, PreProcessInterceptor.class, contracts))
      {
         if (containerRequestFilterRegistry == null)
         {
            containerRequestFilterRegistry = parent.getContainerRequestFilterRegistry().clone(this);
         }
         containerRequestFilterRegistry.registerLegacy(provider);
         newContracts.put(PreProcessInterceptor.class, 0);
      }
      if (isA(provider, PostProcessInterceptor.class, contracts))
      {
         if (containerResponseFilterRegistry == null)
         {
            containerResponseFilterRegistry = parent.getContainerResponseFilterRegistry().clone(this);
         }
         containerResponseFilterRegistry.registerLegacy(provider);
         newContracts.put(PostProcessInterceptor.class, 0);
      }
      if (isA(provider, ContainerRequestFilter.class, contracts))
      {
         if (containerRequestFilterRegistry == null)
         {
            containerRequestFilterRegistry = parent.getContainerRequestFilterRegistry().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ContainerRequestFilter.class, provider);
         containerRequestFilterRegistry.registerClass(provider, priority);
         newContracts.put(ContainerRequestFilter.class, priority);
      }
      if (isA(provider, ContainerResponseFilter.class, contracts))
      {
         if (containerResponseFilterRegistry == null)
         {
            containerResponseFilterRegistry = parent.getContainerResponseFilterRegistry().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ContainerResponseFilter.class, provider);
         containerResponseFilterRegistry.registerClass(provider, priority);
         newContracts.put(ContainerResponseFilter.class, priority);
      }
      if (isA(provider, ReaderInterceptor.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, ReaderInterceptor.class, provider);
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerClass(provider, priority);
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerClass(provider, priority);
         }
         if (constrainedTo == null)
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerClass(provider, priority);
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerClass(provider, priority);
         }
         newContracts.put(ReaderInterceptor.class, priority);
      }
      if (isA(provider, WriterInterceptor.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, WriterInterceptor.class, provider);
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerClass(provider, priority);
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerClass(provider, priority);
         }
         if (constrainedTo == null)
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerClass(provider, priority);
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerClass(provider, priority);
         }
         newContracts.put(WriterInterceptor.class, priority);
      }
      if (isA(provider, MessageBodyWriterInterceptor.class, contracts))
      {
         if (provider.isAnnotationPresent(ServerInterceptor.class))
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerLegacy(provider);
         }
         if (provider.isAnnotationPresent(ClientInterceptor.class))
         {
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerLegacy(provider);
         }
         if (!provider.isAnnotationPresent(ServerInterceptor.class) && !provider.isAnnotationPresent(ClientInterceptor.class))
         {
            throw new RuntimeException("Interceptor class must be annotated with @ServerInterceptor and/or @ClientInterceptor");
         }
         newContracts.put(MessageBodyWriterInterceptor.class, 0);

      }
      if (isA(provider, MessageBodyReaderInterceptor.class, contracts))
      {
         if (provider.isAnnotationPresent(ServerInterceptor.class))
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerLegacy(provider);
         }
         if (provider.isAnnotationPresent(ClientInterceptor.class))
         {
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerLegacy(provider);
         }
         if (!provider.isAnnotationPresent(ServerInterceptor.class) && !provider.isAnnotationPresent(ClientInterceptor.class))
         {
            throw new RuntimeException("Interceptor class must be annotated with @ServerInterceptor and/or @ClientInterceptor");
         }
         newContracts.put(MessageBodyReaderInterceptor.class, 0);

      }
      if (isA(provider, ContextResolver.class, contracts))
      {
         try
         {
            addContextResolver(provider, true);
            int priority = getPriority(priorityOverride, contracts, ContextResolver.class, provider);
            newContracts.put(ContextResolver.class, priority);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ContextResolver", e);
         }
      }
      if (isA(provider, StringConverter.class, contracts))
      {
         addStringConverter(provider);
         int priority = getPriority(priorityOverride, contracts, StringConverter.class, provider);
         newContracts.put(StringConverter.class, priority);
      }
      if (isA(provider, StringParameterUnmarshaller.class, contracts))
      {
         addStringParameterUnmarshaller(provider);
         int priority = getPriority(priorityOverride, contracts, StringParameterUnmarshaller.class, provider);
         newContracts.put(StringParameterUnmarshaller.class, priority);
      }
      if (isA(provider, InjectorFactory.class, contracts))
      {
         try
         {
            this.injectorFactory = (InjectorFactory) provider.newInstance();
            newContracts.put(InjectorFactory.class, 0);
         }
         catch (Exception e)
         {
            throw new RuntimeException(e);
         }
      }
      if (isA(provider, DynamicFeature.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, DynamicFeature.class, provider);
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverDynamicFeatures == null)
            {
               serverDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) injectedInstance(provider));
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientDynamicFeatures == null)
            {
               clientDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            clientDynamicFeatures.add((DynamicFeature) injectedInstance(provider));
         }
         if (constrainedTo == null)
         {
            if (serverDynamicFeatures == null)
            {
               serverDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) injectedInstance(provider));
            if (clientDynamicFeatures == null)
            {
               clientDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            clientDynamicFeatures.add((DynamicFeature) injectedInstance(provider));
         }
         newContracts.put(DynamicFeature.class, priority);
      }
      if (isA(provider, Feature.class, contracts))
      {
         int priority = getPriority(priorityOverride, contracts, Feature.class, provider);
         Feature feature = injectedInstance((Class<? extends Feature>) provider);
         if (feature.configure(new FeatureContextDelegate(this)))
         {
            enabledFeatures.add(feature);
         }
         featureClasses.add(provider);
         newContracts.put(Feature.class, priority);

      }
      providerClasses.add(provider);
      getClassContracts().put(provider, newContracts);
   }

   /**
    * Register a @Provider object.  Can be a MessageBodyReader/Writer or ExceptionMapper.
    *
    * @param provider
    */
   public void registerProviderInstance(Object provider)
   {
      registerProviderInstance(provider, null, null, false);
   }

   public void registerProviderInstance(Object provider, Map<Class<?>, Integer> contracts, Integer priorityOverride, boolean builtIn)
   {
      for (Object registered : getInstances())
      {
         if (registered == provider)
         {
            logger.warn("Provider instance " + provider.getClass().getName() + " is already registered.  2nd registration is being ignored.");
            return;
         }
      }
      Map<Class<?>, Integer> newContracts = new HashMap<Class<?>, Integer>();
      if (isA(provider, ParamConverterProvider.class, contracts))
      {
         injectProperties(provider);
         if (paramConverterProviders == null)
         {
            paramConverterProviders = new CopyOnWriteArrayList<ParamConverterProvider>(parent.getParamConverterProviders());
         }
         paramConverterProviders.add((ParamConverterProvider) provider);
         int priority = getPriority(priorityOverride, contracts, ParamConverterProvider.class, provider.getClass());
         newContracts.put(ParamConverterProvider.class, priority);
      }
      if (isA(provider, MessageBodyReader.class, contracts))
      {
         try
         {
            addMessageBodyReader((MessageBodyReader) provider, builtIn);
            int priority = getPriority(priorityOverride, contracts, MessageBodyReader.class, provider.getClass());
            newContracts.put(MessageBodyReader.class, priority);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate MessageBodyReader", e);
         }
      }
      if (isA(provider, MessageBodyWriter.class, contracts))
      {
         try
         {
            addMessageBodyWriter((MessageBodyWriter) provider, provider.getClass(), builtIn);
            int priority = getPriority(priorityOverride, contracts, MessageBodyWriter.class, provider.getClass());
            newContracts.put(MessageBodyWriter.class, priority);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate MessageBodyWriter", e);
         }
      }
      if (isA(provider, ExceptionMapper.class, contracts))
      {
         try
         {
            addExceptionMapper((ExceptionMapper) provider);
            int priority = getPriority(priorityOverride, contracts, ExceptionMapper.class, provider.getClass());
            newContracts.put(ExceptionMapper.class, priority);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ExceptionMapper", e);
         }
      }
      if (isA(provider, ClientExceptionMapper.class, contracts))
      {
         try
         {
            addClientExceptionMapper((ClientExceptionMapper) provider);
            newContracts.put(ClientExceptionMapper.class, 0);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ExceptionMapper", e);
         }
      }
      if (isA(provider, ContextResolver.class, contracts))
      {
         try
         {
            addContextResolver((ContextResolver) provider);
            int priority = getPriority(priorityOverride, contracts, ContextResolver.class, provider.getClass());
            newContracts.put(ContextResolver.class, priority);
         }
         catch (Exception e)
         {
            throw new RuntimeException("Unable to instantiate ContextResolver", e);
         }
      }
      if (isA(provider, ClientRequestFilter.class, contracts))
      {
         if (clientRequestFilters == null)
         {
            clientRequestFilters = parent.getClientRequestFilters().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ClientRequestFilter.class, provider.getClass());
         clientRequestFilters.registerSingleton((ClientRequestFilter) provider, priority);
         newContracts.put(ClientRequestFilter.class, priority);
      }
      if (isA(provider, ClientResponseFilter.class, contracts))
      {
         if (clientResponseFilters == null)
         {
            clientResponseFilters = parent.getClientResponseFilters().clone(this);
         }
         int priority = getPriority(priorityOverride, contracts, ClientResponseFilter.class, provider.getClass());
         clientResponseFilters.registerSingleton((ClientResponseFilter) provider, priority);
         newContracts.put(ClientResponseFilter.class, priority);
      }
      if (isA(provider, ClientExecutionInterceptor.class, contracts))
      {
         if (clientExecutionInterceptorRegistry == null)
         {
            clientExecutionInterceptorRegistry = parent.getClientExecutionInterceptorRegistry().cloneTo(this);
         }
         clientExecutionInterceptorRegistry.register((ClientExecutionInterceptor) provider);
         newContracts.put(ClientExecutionInterceptor.class, 0);
      }
      if (isA(provider, PreProcessInterceptor.class, contracts))
      {
         if (containerRequestFilterRegistry == null)
         {
            containerRequestFilterRegistry = parent.getContainerRequestFilterRegistry().clone(this);
         }
         containerRequestFilterRegistry.registerLegacy((PreProcessInterceptor) provider);
         newContracts.put(PreProcessInterceptor.class, 0);
      }
      if (isA(provider, ContainerRequestFilter.class, contracts))
      {
         if (containerRequestFilterRegistry == null)
         {
            containerRequestFilterRegistry = parent.getContainerRequestFilterRegistry().clone(this);
         }
         containerRequestFilterRegistry.registerSingleton((ContainerRequestFilter) provider);
         int priority = getPriority(priorityOverride, contracts, ContainerRequestFilter.class, provider.getClass());
         newContracts.put(ContainerRequestFilter.class, priority);
      }
      if (isA(provider, PostProcessInterceptor.class, contracts))
      {
         if (containerResponseFilterRegistry == null)
         {
            containerResponseFilterRegistry = parent.getContainerResponseFilterRegistry().clone(this);
         }
         containerResponseFilterRegistry.registerLegacy((PostProcessInterceptor) provider);
         newContracts.put(PostProcessInterceptor.class, 0);
      }
      if (isA(provider, ContainerResponseFilter.class, contracts))
      {
         if (containerResponseFilterRegistry == null)
         {
            containerResponseFilterRegistry = parent.getContainerResponseFilterRegistry().clone(this);
         }
         containerResponseFilterRegistry.registerSingleton((ContainerResponseFilter) provider);
         int priority = getPriority(priorityOverride, contracts, ContainerResponseFilter.class, provider.getClass());
         newContracts.put(ContainerResponseFilter.class, priority);
      }
      if (isA(provider, ReaderInterceptor.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getClass().getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, ReaderInterceptor.class, provider.getClass());
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerSingleton((ReaderInterceptor) provider, priority);
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerSingleton((ReaderInterceptor) provider, priority);
         }
         if (constrainedTo == null)
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerSingleton((ReaderInterceptor) provider, priority);
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerSingleton((ReaderInterceptor) provider, priority);
         }
         newContracts.put(ReaderInterceptor.class, priority);
      }
      if (isA(provider, WriterInterceptor.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getClass().getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, WriterInterceptor.class, provider.getClass());
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerSingleton((WriterInterceptor) provider, priority);
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerSingleton((WriterInterceptor) provider, priority);
         }
         if (constrainedTo == null)
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerSingleton((WriterInterceptor) provider, priority);
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerSingleton((WriterInterceptor) provider, priority);
         }
         newContracts.put(WriterInterceptor.class, priority);
      }
      if (isA(provider, MessageBodyWriterInterceptor.class, contracts))
      {
         if (provider.getClass().isAnnotationPresent(ServerInterceptor.class))
         {
            if (serverWriterInterceptorRegistry == null)
            {
               serverWriterInterceptorRegistry = parent.getServerWriterInterceptorRegistry().clone(this);
            }
            serverWriterInterceptorRegistry.registerLegacy((MessageBodyWriterInterceptor) provider);
         }
         if (provider.getClass().isAnnotationPresent(ClientInterceptor.class))
         {
            if (clientWriterInterceptorRegistry == null)
            {
               clientWriterInterceptorRegistry = parent.getClientWriterInterceptorRegistry().clone(this);
            }
            clientWriterInterceptorRegistry.registerLegacy((MessageBodyWriterInterceptor) provider);
         }
         if (!provider.getClass().isAnnotationPresent(ServerInterceptor.class) && !provider.getClass().isAnnotationPresent(ClientInterceptor.class))
         {
            throw new RuntimeException("Interceptor class " + provider.getClass() + " must be annotated with @ServerInterceptor and/or @ClientInterceptor");
         }
         newContracts.put(MessageBodyWriterInterceptor.class, 0);
      }
      if (isA(provider, MessageBodyReaderInterceptor.class, contracts))
      {
         if (provider.getClass().isAnnotationPresent(ServerInterceptor.class))
         {
            if (serverReaderInterceptorRegistry == null)
            {
               serverReaderInterceptorRegistry = parent.getServerReaderInterceptorRegistry().clone(this);
            }
            serverReaderInterceptorRegistry.registerLegacy((MessageBodyReaderInterceptor) provider);
         }
         if (provider.getClass().isAnnotationPresent(ClientInterceptor.class))
         {
            if (clientReaderInterceptorRegistry == null)
            {
               clientReaderInterceptorRegistry = parent.getClientReaderInterceptorRegistry().clone(this);
            }
            clientReaderInterceptorRegistry.registerLegacy((MessageBodyReaderInterceptor) provider);
         }
         if (!provider.getClass().isAnnotationPresent(ServerInterceptor.class) && !provider.getClass().isAnnotationPresent(ClientInterceptor.class))
         {
            throw new RuntimeException("Interceptor class " + provider.getClass() + " must be annotated with @ServerInterceptor and/or @ClientInterceptor");
         }
         newContracts.put(MessageBodyReaderInterceptor.class, 0);

      }
      if (isA(provider, StringConverter.class, contracts))
      {
         addStringConverter((StringConverter) provider);
         newContracts.put(StringConverter.class, 0);
      }
      if (isA(provider, InjectorFactory.class, contracts))
      {
         this.injectorFactory = (InjectorFactory) provider;
         newContracts.put(InjectorFactory.class, 0);
      }
      if (isA(provider, DynamicFeature.class, contracts))
      {
         ConstrainedTo constrainedTo = (ConstrainedTo) provider.getClass().getAnnotation(ConstrainedTo.class);
         int priority = getPriority(priorityOverride, contracts, DynamicFeature.class, provider.getClass());
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.SERVER)
         {
            if (serverDynamicFeatures == null)
            {
               serverDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) provider);
         }
         if (constrainedTo != null && constrainedTo.value() == RuntimeType.CLIENT)
         {
            if (clientDynamicFeatures == null)
            {
               clientDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) provider);
         }
         if (constrainedTo == null)
         {
            if (serverDynamicFeatures == null)
            {
               serverDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) provider);
            if (clientDynamicFeatures == null)
            {
               clientDynamicFeatures = new CopyOnWriteArraySet<DynamicFeature>(parent.getServerDynamicFeatures());
            }
            serverDynamicFeatures.add((DynamicFeature) provider);
         }
         newContracts.put(DynamicFeature.class, priority);
      }
      if (isA(provider, Feature.class, contracts))
      {
         Feature feature = (Feature) provider;
         injectProperties(provider.getClass(), provider);
         if (feature.configure(new FeatureContextDelegate(this)))
         {
            enabledFeatures.add(feature);
         }
         featureInstances.add(provider);
         int priority = getPriority(priorityOverride, contracts, Feature.class, provider.getClass());
         newContracts.put(Feature.class, priority);

      }
      providerInstances.add(provider);
      getClassContracts().put(provider.getClass(), newContracts);
   }

   @Override
   public <T extends Throwable> ExceptionMapper<T> getExceptionMapper(Class<T> type)
   {
      Class exceptionType = type;
      ExceptionMapper<T> mapper = null;
      while (mapper == null)
      {
         if (exceptionType == null) break;
         mapper = getExceptionMappers().get(exceptionType);
         if (mapper == null) exceptionType = exceptionType.getSuperclass();
      }
      return mapper;
   }

   public <T extends Throwable> ClientExceptionMapper<T> getClientExceptionMapper(Class<T> type)
   {
      return getClientExceptionMappers().get(type);
   }

   public MediaType getConcreteMediaTypeFromMessageBodyWriters(Class type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      List<SortedKey<MessageBodyWriter>> writers = getServerMessageBodyWriters().getPossible(mediaType, type);
      for (SortedKey<MessageBodyWriter> writer : writers)
      {
         if (writer.obj.isWriteable(type, genericType, annotations, mediaType))
         {
            MessageBodyWriter mbw = writer.obj;
            Class writerType = Types.getTemplateParameterOfInterface(mbw.getClass(), MessageBodyWriter.class);
            if (writerType == null || writerType.equals(Object.class) || !writerType.isAssignableFrom(type)) continue;
            Produces produces = mbw.getClass().getAnnotation(Produces.class);
            if (produces == null) continue;
            for (String produce : produces.value())
            {
               MediaType mt = MediaType.valueOf(produce);
               if (mt.isWildcardType() || mt.isWildcardSubtype()) continue;
               return mt;
            }
         }
      }
      return null;
   }

   public <T> MessageBodyWriter<T> getServerMessageBodyWriter(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyWriter>> availableWriters = getServerMessageBodyWriters();
      return resolveMessageBodyWriter(type, genericType, annotations, mediaType, availableWriters);
   }

   /**
    * Always gets server MBW
    *
    * @param type        the class of the object that is to be written.
    * @param genericType the type of object to be written. E.g. if the
    *                    message body is to be produced from a field, this will be
    *                    the declared type of the field as returned by {@code Field.getGenericType}.
    * @param annotations an array of the annotations on the declaration of the
    *                    artifact that will be written. E.g. if the
    *                    message body is to be produced from a field, this will be
    *                    the annotations on that field returned by
    *                    {@code Field.getDeclaredAnnotations}.
    * @param mediaType   the media type of the data that will be written.
    * @param <T>
    * @return
    */
   public <T> MessageBodyWriter<T> getMessageBodyWriter(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyWriter>> availableWriters = getServerMessageBodyWriters();
      return resolveMessageBodyWriter(type, genericType, annotations, mediaType, availableWriters);
   }

   public <T> MessageBodyWriter<T> getClientMessageBodyWriter(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType)
   {
      MediaTypeMap<SortedKey<MessageBodyWriter>> availableWriters = getClientMessageBodyWriters();
      return resolveMessageBodyWriter(type, genericType, annotations, mediaType, availableWriters);
   }

   protected <T> MessageBodyWriter<T> resolveMessageBodyWriter(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType, MediaTypeMap<SortedKey<MessageBodyWriter>> availableWriters)
   {
      List<SortedKey<MessageBodyWriter>> writers = availableWriters.getPossible(mediaType, type);
      /*
      logger.info("*******   getMessageBodyWriter(" + type.getName() + ", " + mediaType.toString() + ")****");
      for (SortedKey<MessageBodyWriter> writer : writers)
      {
         logger.info("     possible writer: " + writer.obj.getClass().getName());
      }
      */

      for (SortedKey<MessageBodyWriter> writer : writers)
      {
         if (writer.obj.isWriteable(type, genericType, annotations, mediaType))
         {
            //logger.info("   picking: " + writer.obj.getClass().getName());
            return (MessageBodyWriter<T>) writer.obj;
         }
      }
      return null;
   }


   /**
    * this is a spec method that is unsupported.  it is an optional method anyways.
    *
    * @param applicationConfig
    * @param endpointType
    * @return
    * @throws IllegalArgumentException
    * @throws UnsupportedOperationException
    */
   public <T> T createEndpoint(Application applicationConfig, Class<T> endpointType) throws IllegalArgumentException, UnsupportedOperationException
   {
      if (applicationConfig == null) throw new IllegalArgumentException("application param was null");
      throw new UnsupportedOperationException();
   }

   public <T> ContextResolver<T> getContextResolver(Class<T> contextType, MediaType mediaType)
   {
      final List<ContextResolver> resolvers = getContextResolvers(contextType, mediaType);
      if (resolvers == null) return null;
      if (resolvers.size() == 1) return resolvers.get(0);
      return new ContextResolver<T>()
      {
         public T getContext(Class type)
         {
            for (ContextResolver resolver : resolvers)
            {
               Object rtn = resolver.getContext(type);
               if (rtn != null) return (T) rtn;
            }
            return null;
         }
      };
   }

   /**
    * Create an instance of a class using provider allocation rules of the specification as well as the InjectorFactory
    * <p/>
    * only does constructor injection
    *
    * @param clazz
    * @param <T>
    * @return
    */
   public <T> T createProviderInstance(Class<? extends T> clazz)
   {
      ConstructorInjector constructorInjector = createConstructorInjector(clazz);

      T provider = (T) constructorInjector.construct();
      return provider;
   }

   public <T> ConstructorInjector createConstructorInjector(Class<? extends T> clazz)
   {
      Constructor<?> constructor = PickConstructor.pickSingletonConstructor(clazz);
      if (constructor == null)
      {
         throw new IllegalArgumentException("Unable to find a public constructor for provider class " + clazz.getName());
      }
      return getInjectorFactory().createConstructor(constructor, this);
   }

   /**
    * Property and constructor injection using the InjectorFactory
    *
    * @param clazz
    * @param <T>
    * @return
    */
   public <T> T injectedInstance(Class<? extends T> clazz)
   {
      Constructor<?> constructor = PickConstructor.pickSingletonConstructor(clazz);
      Object obj = null;
      ConstructorInjector constructorInjector = getInjectorFactory().createConstructor(constructor, this);
      obj = constructorInjector.construct();

      PropertyInjector propertyInjector = getInjectorFactory().createPropertyInjector(clazz, this);

      propertyInjector.inject(obj);
      return (T) obj;
   }

   /**
    * Property and constructor injection using the InjectorFactory
    *
    * @param clazz
    * @param <T>
    * @return
    */
   public <T> T injectedInstance(Class<? extends T> clazz, HttpRequest request, HttpResponse response)
   {
      Constructor<?> constructor = PickConstructor.pickSingletonConstructor(clazz);
      Object obj = null;
      if (constructor == null)
      {
         // TODO this is solely to pass the TCK.  This is WRONG WRONG WRONG!  I'm challenging.
         if (false)//if (clazz.isAnonymousClass())
         {
            constructor = clazz.getDeclaredConstructors()[0];
            constructor.setAccessible(true);
            if (!Modifier.isStatic(clazz.getModifiers()))
            {
               Object[] args = {null};
               try
               {
                  obj = constructor.newInstance(args);
               }
               catch (InstantiationException e)
               {
                  throw new RuntimeException(e);
               }
               catch (IllegalAccessException e)
               {
                  throw new RuntimeException(e);
               }
               catch (InvocationTargetException e)
               {
                  throw new RuntimeException(e);
               }
            }
            else
            {
               try
               {
                  obj = constructor.newInstance();
               }
               catch (InstantiationException e)
               {
                  throw new RuntimeException(e);
               }
               catch (IllegalAccessException e)
               {
                  throw new RuntimeException(e);
               }
               catch (InvocationTargetException e)
               {
                  throw new RuntimeException(e);
               }
            }
         }
         else
         {
            throw new IllegalArgumentException("Unable to find a public constructor for class " + clazz.getName());
         }
      }
      else
      {
         ConstructorInjector constructorInjector = getInjectorFactory().createConstructor(constructor, this);
         obj = constructorInjector.construct(request, response);

      }
      PropertyInjector propertyInjector = getInjectorFactory().createPropertyInjector(clazz, this);

      propertyInjector.inject(request, response, obj);
      return (T) obj;
   }

   public void injectProperties(Class declaring, Object obj)
   {
      getInjectorFactory().createPropertyInjector(declaring, this).inject(obj);
   }

   public void injectProperties(Object obj)
   {
      getInjectorFactory().createPropertyInjector(obj.getClass(), this).inject(obj);
   }

   public void injectProperties(Object obj, HttpRequest request, HttpResponse response)
   {
      getInjectorFactory().createPropertyInjector(obj.getClass(), this).inject(request, response, obj);
   }


   // Configurable

   public Map<String, Object> getMutableProperties()
   {
      return properties;
   }

   @Override
   public Map<String, Object> getProperties()
   {
      return Collections.unmodifiableMap(properties);
   }

   @Override
   public Object getProperty(String name)
   {
      return properties.get(name);
   }

   public ResteasyProviderFactory setProperties(Map<String, ?> properties)
   {
      Map<String, Object> newProp = new ConcurrentHashMap<String, Object>();
      newProp.putAll(properties);
      this.properties = newProp;
      return this;
   }

   @Override
   public ResteasyProviderFactory property(String name, Object value)
   {
      properties.put(name, value);
      return this;
   }

   public Collection<Feature> getEnabledFeatures()
   {
      if (enabledFeatures == null && parent != null) return parent.getEnabledFeatures();
      Set<Feature> set = new HashSet<Feature>();
      if (parent != null) set.addAll(parent.getEnabledFeatures());
      set.addAll(enabledFeatures);
      return set;
   }

   public Set<Class<?>> getFeatureClasses()
   {
      if (featureClasses == null && parent != null) return parent.getFeatureClasses();
      Set<Class<?>> set = new HashSet<Class<?>>();
      if (parent != null) set.addAll(parent.getFeatureClasses());
      set.addAll(featureClasses);
      return set;
   }

   public Set<Object> getFeatureInstances()
   {
      if (featureInstances == null && parent != null) return parent.getFeatureInstances();
      Set<Object> set = new HashSet<Object>();
      if (parent != null) set.addAll(parent.getFeatureInstances());
      set.addAll(featureInstances);
      return set;
   }

   @Override
   public ResteasyProviderFactory register(Class<?> providerClass)
   {
      registerProvider(providerClass);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Object provider)
   {
      registerProviderInstance(provider);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Class<?> componentClass, int priority)
   {
      registerProvider(componentClass, priority, false, null);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Class<?> componentClass, Class<?>... contracts)
   {
      if (contracts == null || contracts.length == 0)
      {
         logger.warn("Attempting to register empty contracts for " + componentClass.getName());
         return this;
      }
      Map<Class<?>, Integer> cons = new HashMap<Class<?>, Integer>();
      for (Class<?> contract : contracts)
      {
         if (!contract.isAssignableFrom(componentClass))
         {
            logger.warn("Attempting to register unassignable contract for " + componentClass.getName());
            return this;
         }
         cons.put(contract, Priorities.USER);
      }
      registerProvider(componentClass, null, false, cons);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Object component, int priority)
   {
      registerProviderInstance(component, null, priority, false);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Object component, Class<?>... contracts)
   {
      if (contracts == null || contracts.length == 0)
      {
         logger.warn("Attempting to register empty contracts for " + component.getClass().getName());
         return this;
      }
      Map<Class<?>, Integer> cons = new HashMap<Class<?>, Integer>();
      for (Class<?> contract : contracts)
      {
         if (!contract.isAssignableFrom(component.getClass()))
         {
            logger.warn("Attempting to register unassignable contract for " + component.getClass().getName());
            return this;
         }
         cons.put(contract, Priorities.USER);
      }
      registerProviderInstance(component, cons, null, false);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Class<?> componentClass, Map<Class<?>, Integer> contracts)
   {
      for (Class<?> contract : contracts.keySet())
      {
         if (!contract.isAssignableFrom(componentClass))
         {
            logger.warn("Attempting to register unassignable contract for " + componentClass.getName());
            return this;
         }
      }
      registerProvider(componentClass, null, false, contracts);
      return this;
   }

   @Override
   public ResteasyProviderFactory register(Object component, Map<Class<?>, Integer> contracts)
   {
      for (Class<?> contract : contracts.keySet())
      {
         if (!contract.isAssignableFrom(component.getClass()))
         {
            logger.warn("Attempting to register unassignable contract for " + component.getClass().getName());
            return this;
         }
      }
      registerProviderInstance(component, contracts, null, false);
      return this;
   }

   @Override
   public Configuration getConfiguration()
   {
      return this;
   }

   @Override
   public RuntimeType getRuntimeType()
   {
      return RuntimeType.SERVER;
   }

   @Override
   public Collection<String> getPropertyNames()
   {
      return getProperties().keySet();
   }

   @Override
   public boolean isEnabled(Feature feature)
   {
      Collection<Feature> enabled = getEnabledFeatures();
      //logger.info("********* isEnabled(Feature): " + feature.getClass().getName() + " # enabled: " + enabled.size());
      for (Feature f : enabled)
      {
         //logger.info("  looking at: " + f.getClass());
         if (f == feature)
         {
            //logger.info("   found: " + f.getClass().getName());
            return true;
         }
      }
      return false;
   }

   @Override
   public boolean isEnabled(Class<? extends Feature> featureClass)
   {
      Collection<Feature> enabled = getEnabledFeatures();
      //logger.info("isEnabled(Class): " + featureClass.getName() + " # enabled: " + enabled.size());
      if (enabled == null) return false;
      for (Feature feature : enabled)
      {
         //logger.info("  looking at: " + feature.getClass());
         if (featureClass.equals(feature.getClass()))
         {
            //logger.info("   found: " + featureClass.getName());
            return true;
         }
      }
      //logger.info("not enabled class: " + featureClass.getName());
      return false;
   }

   @Override
   public boolean isRegistered(Object component)
   {
      return getProviderInstances().contains(component);
   }

   @Override
   public boolean isRegistered(Class<?> componentClass)
   {
      if (getProviderClasses().contains(componentClass)) return true;
      for (Object obj : getProviderInstances())
      {
         if (obj.getClass().equals(componentClass)) return true;
      }
      return false;
   }

   @Override
   public Map<Class<?>, Integer> getContracts(Class<?> componentClass)
   {
      if (classContracts == null && parent == null) return Collections.emptyMap();
      else if (classContracts == null) return parent.getContracts(componentClass);
      else
      {
         Map<Class<?>, Integer> classIntegerMap = classContracts.get(componentClass);
         if (classIntegerMap == null) return Collections.emptyMap();
         return classIntegerMap;
      }
   }

   @Override
   public Set<Class<?>> getClasses()
   {
      return getProviderClasses();
   }

   @Override
   public Set<Object> getInstances()
   {
      return getProviderInstances();
   }

   @Override
   public Link.Builder createLinkBuilder()
   {
      return new LinkBuilderImpl();
   }
}
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