Package com.sun.jersey.api.container.grizzly

Source Code of com.sun.jersey.api.container.grizzly.GrizzlyServerFactory

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package com.sun.jersey.api.container.grizzly;

import com.sun.grizzly.http.SelectorThread;
import com.sun.grizzly.standalone.StaticStreamAlgorithm;
import com.sun.grizzly.tcp.Adapter;
import com.sun.grizzly.tcp.http11.GrizzlyAdapter;
import com.sun.jersey.api.container.ContainerFactory;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProviderFactory;
import java.io.IOException;
import java.net.URI;

/**
* Factory for creating and starting Grizzly {@link SelectorThread} instances.
*
* @author Paul.Sandoz@Sun.Com
*/
public final class GrizzlyServerFactory {

    /**
     * {@link ResourceConfig feature to enable encoded slashes in URIs.
     * If set to false (the default behavior), requests containing encoded slashes
     * will get rejected by Grizzly and will never make it to the Jersey runtime.
     */
    public final static String FEATURE_ALLOW_ENCODED_SLASH = "com.sun.jersey.api.container.grizzly.AllowEncodedSlashFeature";

    private GrizzlyServerFactory() {}
   
    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes found by searching the classes
     * referenced in the java classath.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class)} method for creating
     * an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(String u)
            throws IOException, IllegalArgumentException {           
        if (u == null)
            throw new IllegalArgumentException("The URI must not be null");

        return create(URI.create(u));
    }
   
    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes found by searching
     * the classes referenced in the java classath.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class)} method for creating
     * an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(URI u)
            throws IOException, IllegalArgumentException {           
        return create(u, ContainerFactory.createContainer(Adapter.class));
    }
       
    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes declared by the
     * resource configuration.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class, ResourceConfig)} method
     * for creating an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @param rc the resource configuration.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(String u, ResourceConfig rc)
            throws IOException, IllegalArgumentException {
        if (u == null)
            throw new IllegalArgumentException("The URI must not be null");

        return create(URI.create(u), rc);
    }

    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes declared by the
     * resource configuration.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class, ResourceConfig)} method
     * for creating an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @param rc the resource configuration.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(URI u, ResourceConfig rc)
            throws IOException, IllegalArgumentException {
        return create(u, ContainerFactory.createContainer(Adapter.class, rc));
    }

    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes declared by the
     * resource configuration.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class, ResourceConfig, IoCComponentProviderFactory)} method
     * for creating an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @param rc the resource configuration.
     * @param factory the IoC component provider factory the web application
     *        delegates to for obtaining instances of resource and provider
     *        classes. May be null if the web application is responsible for
     *        instantiating resource and provider classes.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(String u, ResourceConfig rc,
            IoCComponentProviderFactory factory)
            throws IOException, IllegalArgumentException {
        if (u == null)
            throw new IllegalArgumentException("The URI must not be null");

        return create(URI.create(u), rc, factory);
    }

    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes declared by the
     * resource configuration.
     * <p>
     * This implementation defers to the
     * {@link ContainerFactory#createContainer(Class, ResourceConfig, IoCComponentProviderFactory)} method
     * for creating an Adapter that manages the root resources.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @param rc the resource configuration.
     * @param factory the IoC component provider factory the web application
     *        delegates to for obtaining instances of resource and provider
     *        classes. May be null if the web application is responsible for
     *        instantiating resource and provider classes.
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(URI u, ResourceConfig rc,
            IoCComponentProviderFactory factory)
            throws IOException, IllegalArgumentException {
        return create(u, ContainerFactory.createContainer(Adapter.class, rc, factory));
    }

    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes found by searching the classes
     * referenced in the java classath.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path, query and fragment components are ignored.
     * @param adapter the Adapter
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null
     */
    public static SelectorThread create(String u, Adapter adapter)
            throws IOException, IllegalArgumentException {
        if (u == null)
            throw new IllegalArgumentException("The URI must not be null");

        return create(URI.create(u), adapter);
    }
   
    /**
     * Create a {@link SelectorThread} that registers an {@link Adapter} that
     * in turn manages all root resource and provder classes found by searching the classes
     * referenced in the java classath.
     *
     * @param u the URI to create the http server. The URI scheme must be
     *        equal to "http". The URI user information and host
     *        are ignored If the URI port is not present then port 80 will be
     *        used. The URI path will be set as the resources context root
     *        value, which must be an empty String or begin with a "/".
     *        The URI query and fragment components are ignored.
     * @param adapter the Adapter
     * @return the select thread, with the endpoint started
     * @throws IOException if an error occurs creating the container.
     * @throws IllegalArgumentException if <code>u</code> is null or the URI
     *         path does not begin with a "/".
     */
    public static SelectorThread create(URI u, Adapter adapter)
            throws IOException, IllegalArgumentException {
        if (u == null)
            throw new IllegalArgumentException("The URI must not be null");
           
        // TODO support https
        final String scheme = u.getScheme();
        if (!scheme.equalsIgnoreCase("http"))
            throw new IllegalArgumentException("The URI scheme, of the URI " + u +
                    ", must be equal (ignoring case) to 'http'");           

        if (adapter instanceof GrizzlyAdapter) {
            GrizzlyAdapter ga = (GrizzlyAdapter)adapter;
            ga.setResourcesContextPath(u.getRawPath());
        }
       
        final SelectorThread selectorThread = new SelectorThread();

        selectorThread.setAlgorithmClassName(StaticStreamAlgorithm.class.getName());
       
        final int port = (u.getPort() == -1) ? 80 : u.getPort();           
        selectorThread.setPort(port);

        selectorThread.setAdapter(adapter);
       
        try {
            selectorThread.listen();
        } catch (InstantiationException e) {
            IOException _e = new IOException();
            _e.initCause(e);
            throw _e;
        }
        return selectorThread;
    }   
}
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