com.sun.jersey.server.impl.container.grizzly.GrizzlyContainer Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-bundle Show documentation
A bundle containing code of all jar-based modules that provide JAX-RS and Jersey-related features. Such a bundle is *only intended* for developers that do not use Maven's dependency system. The bundle does not include code for contributes, tests and samples.
There is a newer version: 1.19.4
Show newest version
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.jersey.server.impl.container.grizzly;

import com.sun.grizzly.tcp.http11.GrizzlyAdapter;
import com.sun.grizzly.tcp.http11.GrizzlyRequest;
import com.sun.grizzly.tcp.http11.GrizzlyResponse;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.api.container.grizzly.GrizzlyServerFactory;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.core.header.InBoundHeaders;
import com.sun.jersey.server.impl.ThreadLocalInvoker;
import com.sun.jersey.spi.container.ContainerListener;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseWriter;
import com.sun.jersey.spi.container.ReloadListener;
import com.sun.jersey.spi.container.WebApplication;
import com.sun.jersey.spi.inject.SingletonTypeInjectableProvider;

import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Type;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.GenericEntity;

/**
 *
 * @author [email protected]
 */
public final class GrizzlyContainer extends GrizzlyAdapter implements ContainerListener {

    private WebApplication application;
    
    private String basePath = "/";

    private final ThreadLocalInvoker requestInvoker =
            new ThreadLocalInvoker();

    private final ThreadLocalInvoker responseInvoker =
            new ThreadLocalInvoker();

    private static class ContextInjectableProvider extends
            SingletonTypeInjectableProvider {

        protected ContextInjectableProvider(Type type, T instance) {
            super(type, instance);
        }
    }

    public GrizzlyContainer(ResourceConfig rc, WebApplication app) throws ContainerException {
        this.application = app;
        
        setAllowEncodedSlash(rc.getFeature(GrizzlyServerFactory.FEATURE_ALLOW_ENCODED_SLASH));

        GenericEntity> requestThreadLocal =
                new GenericEntity>(requestInvoker.getImmutableThreadLocal()) {};
        rc.getSingletons().add(new ContextInjectableProvider>(
                requestThreadLocal.getType(), requestThreadLocal.getEntity()));

        GenericEntity> responseThreadLocal =
                new GenericEntity>(responseInvoker.getImmutableThreadLocal()) {};
        rc.getSingletons().add(new ContextInjectableProvider>(
                responseThreadLocal.getType(), responseThreadLocal.getEntity()));
    }

    private final static class Writer implements ContainerResponseWriter {
        final GrizzlyResponse response;
        
        Writer(GrizzlyResponse response) {
            this.response = response;
        }
        
        public OutputStream writeStatusAndHeaders(long contentLength, 
                ContainerResponse cResponse) throws IOException {
            response.setStatus(cResponse.getStatus());

            if (contentLength != -1 && contentLength < Integer.MAX_VALUE) 
                response.setContentLength((int)contentLength);

            for (Map.Entry> e : cResponse.getHttpHeaders().entrySet()) {
                for (Object value : e.getValue()) {
                    response.addHeader(e.getKey(), ContainerResponse.getHeaderValue(value));
                }
            }

            String contentType = response.getHeader("Content-Type");
            if (contentType != null) {
                response.setContentType(contentType);
            }
                
            return response.getOutputStream();
        }
        
        public void finish() throws IOException {            
        }
    }

    public void service(GrizzlyRequest request, GrizzlyResponse response) {
        try {
            requestInvoker.set(request);
            responseInvoker.set(response);

            _service(request, response);
        } finally {
            requestInvoker.set(null);
            responseInvoker.set(null);
        }
    }

    private void _service(GrizzlyRequest request, GrizzlyResponse response) {
        WebApplication _application = application;
        
        final URI baseUri = getBaseUri(request);
        /*
         * request.unparsedURI() is a URI in encoded form that contains
         * the URI path and URI query components.
         */
        final URI requestUri = baseUri.resolve(
                request.getRequest().unparsedURI().toString());

        /**
         * Check if the request URI path starts with the base URI path
         */
        if (!requestUri.getRawPath().startsWith(basePath)) {
            response.setStatus(404);
            return;
        }

        try {
            final ContainerRequest cRequest = new ContainerRequest(
                    _application, 
                    request.getMethod(), 
                    baseUri, 
                    requestUri, 
                    getHeaders(request), 
                    request.getInputStream());
            
            _application.handleRequest(cRequest, new Writer(response));
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    }

    @Override
    public void afterService(GrizzlyRequest request, GrizzlyResponse response) 
            throws Exception {
    }

    @Override
    public void setResourcesContextPath(String resourcesContextPath) {
        super.setResourcesContextPath(resourcesContextPath);

        if (resourcesContextPath == null || resourcesContextPath.length() == 0) {
            basePath = "/";
        } else if (resourcesContextPath.charAt(resourcesContextPath.length() - 1) != '/') {
            basePath = resourcesContextPath + "/";
        } else {
            basePath = resourcesContextPath;
        }

        if (basePath.charAt(0) != '/')
            throw new IllegalArgumentException("The resource context path, " + resourcesContextPath +
                    ", must start with a '/'");
    }

    private URI getBaseUri(GrizzlyRequest request) {
        try {
            return new URI(
                    request.getScheme(), 
                    null, 
                    request.getServerName(), 
                    request.getServerPort(), 
                    basePath,
                    null, null);
        } catch (URISyntaxException ex) {
            throw new IllegalArgumentException(ex);
        }
    }
    
    private InBoundHeaders getHeaders(GrizzlyRequest request) {
        InBoundHeaders rh = new InBoundHeaders();
        
        Enumeration names = request.getHeaderNames();
        while (names.hasMoreElements()) {
            String name = (String)names.nextElement();
            String value = request.getHeader(name);
            rh.add(name, value);
        }
        
        return rh;
    }
    
    // ContainerListener
    
    @Override
    public void onReload() {
        WebApplication oldApplication = application;
        application = application.clone();

        if (application.getFeaturesAndProperties() instanceof ReloadListener)
            ((ReloadListener) application.getFeaturesAndProperties()).onReload();

        oldApplication.destroy();
    }    
}