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/*
 * Copyright 2002-2014 the original author or authors.
 *
 * Licensed 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.springframework.remoting.support;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executor;

import com.sun.net.httpserver.Authenticator;
import com.sun.net.httpserver.Filter;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.lang.UsesSunHttpServer;

/**
 * {@link org.springframework.beans.factory.FactoryBean} that creates a simple
 * HTTP server, based on the HTTP server that is included in Sun's JRE 1.6.
 * Starts the HTTP server on initialization and stops it on destruction.
 * Exposes the resulting {@link com.sun.net.httpserver.HttpServer} object.
 *
 * 

Allows for registering {@link com.sun.net.httpserver.HttpHandler HttpHandlers} * for specific {@link #setContexts context paths}. Alternatively, * register such context-specific handlers programmatically on the * {@link com.sun.net.httpserver.HttpServer} itself. * * @author Juergen Hoeller * @author Arjen Poutsma * @since 2.5.1 * @see #setPort * @see #setContexts */ @UsesSunHttpServer public class SimpleHttpServerFactoryBean implements FactoryBean, InitializingBean, DisposableBean { protected final Log logger = LogFactory.getLog(getClass()); private int port = 8080; private String hostname; private int backlog = -1; private int shutdownDelay = 0; private Executor executor; private Map contexts; private List filters; private Authenticator authenticator; private HttpServer server; /** * Specify the HTTP server's port. Default is 8080. */ public void setPort(int port) { this.port = port; } /** * Specify the HTTP server's hostname to bind to. Default is localhost; * can be overridden with a specific network address to bind to. */ public void setHostname(String hostname) { this.hostname = hostname; } /** * Specify the HTTP server's TCP backlog. Default is -1, * indicating the system's default value. */ public void setBacklog(int backlog) { this.backlog = backlog; } /** * Specify the number of seconds to wait until HTTP exchanges have * completed when shutting down the HTTP server. Default is 0. */ public void setShutdownDelay(int shutdownDelay) { this.shutdownDelay = shutdownDelay; } /** * Set the JDK concurrent executor to use for dispatching incoming requests. * @see com.sun.net.httpserver.HttpServer#setExecutor */ public void setExecutor(Executor executor) { this.executor = executor; } /** * Register {@link com.sun.net.httpserver.HttpHandler HttpHandlers} * for specific context paths. * @param contexts a Map with context paths as keys and HttpHandler * objects as values * @see org.springframework.remoting.httpinvoker.SimpleHttpInvokerServiceExporter * @see org.springframework.remoting.caucho.SimpleHessianServiceExporter * @see org.springframework.remoting.caucho.SimpleBurlapServiceExporter */ public void setContexts(Map contexts) { this.contexts = contexts; } /** * Register common {@link com.sun.net.httpserver.Filter Filters} to be * applied to all locally registered {@link #setContexts contexts}. */ public void setFilters(List filters) { this.filters = filters; } /** * Register a common {@link com.sun.net.httpserver.Authenticator} to be * applied to all locally registered {@link #setContexts contexts}. */ public void setAuthenticator(Authenticator authenticator) { this.authenticator = authenticator; } @Override public void afterPropertiesSet() throws IOException { InetSocketAddress address = (this.hostname != null ? new InetSocketAddress(this.hostname, this.port) : new InetSocketAddress(this.port)); this.server = HttpServer.create(address, this.backlog); if (this.executor != null) { this.server.setExecutor(this.executor); } if (this.contexts != null) { for (String key : this.contexts.keySet()) { HttpContext httpContext = this.server.createContext(key, this.contexts.get(key)); if (this.filters != null) { httpContext.getFilters().addAll(this.filters); } if (this.authenticator != null) { httpContext.setAuthenticator(this.authenticator); } } } if (this.logger.isInfoEnabled()) { this.logger.info("Starting HttpServer at address " + address); } this.server.start(); } @Override public HttpServer getObject() { return this.server; } @Override public Class getObjectType() { return (this.server != null ? this.server.getClass() : HttpServer.class); } @Override public boolean isSingleton() { return true; } @Override public void destroy() { logger.info("Stopping HttpServer"); this.server.stop(this.shutdownDelay); } }





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