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package com.sun.xml.ws.server.provider;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.server.AsyncProvider;
import com.sun.xml.ws.resources.ServerMessages;
import com.sun.xml.ws.spi.db.BindingHelper;
import javax.activation.DataSource;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.Source;
import javax.xml.ws.Provider;
import javax.xml.ws.Service;
import javax.xml.ws.ServiceMode;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.soap.SOAPBinding;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
/**
* Keeps the runtime information like Service.Mode and erasure of Provider class
* about Provider endpoint. It proccess annotations to find about Service.Mode
* It also finds about parameterized type(e.g. Source, SOAPMessage, DataSource)
* of endpoint class.
*
* @author Jitendra Kotamraju
* @author Kohsuke Kawaguchi
*/
final class ProviderEndpointModel<T> {
/**
* True if this is {@link AsyncProvider}.
*/
final boolean isAsync;
/**
* In which mode does this provider operate?
*/
@NotNull final Service.Mode mode;
/**
* T of {@link Provider}<T>.
*/
@NotNull final Class datatype;
/**
* User class that extends {@link Provider}.
*/
@NotNull final Class implClass;
ProviderEndpointModel(Class<T> implementorClass, WSBinding binding) {
assert implementorClass != null;
assert binding != null;
implClass = implementorClass;
mode = getServiceMode(implementorClass);
Class otherClass = (binding instanceof SOAPBinding)
? SOAPMessage.class : DataSource.class;
isAsync = AsyncProvider.class.isAssignableFrom(implementorClass);
Class<? extends Object> baseType = isAsync ? AsyncProvider.class : Provider.class;
Type baseParam = BindingHelper.getBaseType(implementorClass, baseType);
if (baseParam==null)
throw new WebServiceException(ServerMessages.NOT_IMPLEMENT_PROVIDER(implementorClass.getName()));
if (!(baseParam instanceof ParameterizedType))
throw new WebServiceException(ServerMessages.PROVIDER_NOT_PARAMETERIZED(implementorClass.getName()));
ParameterizedType pt = (ParameterizedType)baseParam;
Type[] types = pt.getActualTypeArguments();
if(!(types[0] instanceof Class))
throw new WebServiceException(ServerMessages.PROVIDER_INVALID_PARAMETER_TYPE(implementorClass.getName(),types[0]));
datatype = (Class)types[0];
if (mode == Service.Mode.PAYLOAD && datatype!=Source.class) {
// Illegal to have PAYLOAD && SOAPMessage
// Illegal to have PAYLOAD && DataSource
throw new IllegalArgumentException(
"Illeagal combination - Mode.PAYLOAD and Provider<"+otherClass.getName()+">");
}
}
/**
* Is it PAYLOAD or MESSAGE ??
*
* @param c endpoint class
* @return Service.Mode.PAYLOAD or Service.Mode.MESSAGE
*/
private static Service.Mode getServiceMode(Class<?> c) {
ServiceMode mode = c.getAnnotation(ServiceMode.class);
return (mode == null) ? Service.Mode.PAYLOAD : mode.value();
}
}