| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.axis2.transport.http.server; |
| |
| import org.apache.axis2.context.ConfigurationContext; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.ConnectionReuseStrategy; |
| import org.apache.http.HttpResponseFactory; |
| import org.apache.http.impl.DefaultConnectionReuseStrategy; |
| import org.apache.http.impl.DefaultHttpResponseFactory; |
| import org.apache.http.params.HttpParams; |
| import org.apache.http.protocol.BasicHttpProcessor; |
| import org.apache.http.protocol.HttpProcessor; |
| import org.apache.http.protocol.ResponseConnControl; |
| import org.apache.http.protocol.ResponseContent; |
| import org.apache.http.protocol.ResponseDate; |
| import org.apache.http.protocol.ResponseServer; |
| |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| public class DefaultHttpConnectionManager implements HttpConnectionManager { |
| |
| private static Log LOG = LogFactory.getLog(DefaultHttpConnectionManager.class); |
| |
| private final ConfigurationContext configurationContext; |
| |
| /** The thread pool used to execute processors. */ |
| private final Executor executor; |
| |
| private final WorkerFactory workerfactory; |
| |
| private final HttpParams params; |
| |
| /** The list of processors. */ |
| // XXX: is this list really needed? |
| private final List processors; |
| |
| private HttpFactory httpFactory = null; |
| |
| |
| public DefaultHttpConnectionManager(final ConfigurationContext configurationContext, |
| final Executor executor, final WorkerFactory workerfactory, |
| final HttpParams params) { |
| super(); |
| if (configurationContext == null) { |
| throw new IllegalArgumentException("Configuration context may not be null"); |
| } |
| if (executor == null) { |
| throw new IllegalArgumentException("Executor may not be null"); |
| } |
| if (workerfactory == null) { |
| throw new IllegalArgumentException("Worker factory may not be null"); |
| } |
| if (params == null) { |
| throw new IllegalArgumentException("HTTP parameters may not be null"); |
| } |
| this.configurationContext = configurationContext; |
| this.executor = executor; |
| this.workerfactory = workerfactory; |
| this.params = params; |
| this.processors = new LinkedList(); |
| } |
| |
| public DefaultHttpConnectionManager( |
| final ConfigurationContext configurationContext, |
| final Executor executor, |
| final WorkerFactory workerfactory, |
| final HttpParams params, |
| final HttpFactory httpFactory) { |
| this(configurationContext, executor, workerfactory, params); |
| this.httpFactory = httpFactory; |
| } |
| |
| |
| /** |
| * Removes the destroyed processors. |
| * |
| * @see IOProcessor#destroy() |
| */ |
| //XXX: is this method really needed? Processors are removed as soon as they complete |
| private synchronized void cleanup() { |
| for (Iterator i = this.processors.iterator(); i.hasNext();) { |
| IOProcessor processor = (IOProcessor) i.next(); |
| if (processor.isDestroyed()) { |
| i.remove(); |
| } |
| } |
| } |
| |
| |
| /** |
| * Adds the specified {@linkplain IOProcessor} to the list of processors in |
| * progress. |
| * |
| * @param processor The processor to add. |
| * @throws NullPointerException If processor is <code>null</code>. |
| */ |
| private synchronized void addProcessor(final IOProcessor processor) { |
| if (processor == null) { |
| throw new NullPointerException("The processor can't be null"); |
| } |
| this.processors.add(processor); |
| } |
| |
| |
| /** |
| * Removes the specified {@linkplain IOProcessor} from the list of |
| * processors. |
| * |
| * @param processor The processor to remove. |
| * @throws NullPointerException If processor is <code>null</code>. |
| */ |
| synchronized void removeProcessor(final IOProcessor processor) |
| throws NullPointerException { |
| if (processor == null) { |
| throw new NullPointerException("The processor can't be null"); |
| } |
| this.processors.remove(processor); |
| } |
| |
| |
| public void process(final AxisHttpConnection conn) { |
| if (conn == null) { |
| throw new IllegalArgumentException("HTTP connection may not be null"); |
| } |
| // Evict destroyed processors |
| cleanup(); |
| |
| // Assemble new Axis HTTP service |
| HttpProcessor httpProcessor; |
| ConnectionReuseStrategy connStrategy; |
| HttpResponseFactory responseFactory; |
| |
| if (httpFactory != null) { |
| httpProcessor = httpFactory.newHttpProcessor(); |
| connStrategy = httpFactory.newConnStrategy(); |
| responseFactory = httpFactory.newResponseFactory(); |
| } else { |
| BasicHttpProcessor p = new BasicHttpProcessor(); |
| p.addInterceptor(new RequestSessionCookie()); |
| p.addInterceptor(new ResponseDate()); |
| p.addInterceptor(new ResponseServer()); |
| p.addInterceptor(new ResponseContent()); |
| p.addInterceptor(new ResponseConnControl()); |
| p.addInterceptor(new ResponseSessionCookie()); |
| httpProcessor = p; |
| connStrategy = new DefaultConnectionReuseStrategy(); |
| responseFactory = new DefaultHttpResponseFactory(); |
| } |
| |
| AxisHttpService httpService = new AxisHttpService(httpProcessor, connStrategy, |
| responseFactory, this.configurationContext, this.workerfactory.newWorker()); |
| httpService.setParams(this.params); |
| |
| // Create I/O processor to execute HTTP service |
| IOProcessorCallback callback = new IOProcessorCallback() { |
| |
| public void completed(final IOProcessor processor) { |
| removeProcessor(processor); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug(processor + " terminated"); |
| } |
| } |
| |
| }; |
| IOProcessor processor = new HttpServiceProcessor(httpService, conn, callback); |
| |
| addProcessor(processor); |
| this.executor.execute(processor); |
| } |
| |
| |
| public synchronized void shutdown() { |
| for (int i = 0; i < this.processors.size(); i++) { |
| IOProcessor processor = (IOProcessor) this.processors.get(i); |
| processor.destroy(); |
| } |
| this.processors.clear(); |
| } |
| |
| } |