Java tutorial
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For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.testserver; import java.io.IOException; import java.io.InterruptedIOException; import java.net.InetAddress; import java.net.ServerSocket; import java.net.Socket; import org.apache.http.ConnectionClosedException; import org.apache.http.ConnectionReuseStrategy; import org.apache.http.HttpException; import org.apache.http.HttpResponseFactory; import org.apache.http.HttpResponseInterceptor; import org.apache.http.HttpServerConnection; import org.apache.http.impl.DefaultConnectionReuseStrategy; import org.apache.http.impl.DefaultHttpResponseFactory; import org.apache.http.protocol.BasicHttpContext; import org.apache.http.protocol.HttpContext; import org.apache.http.protocol.HttpExpectationVerifier; import org.apache.http.protocol.HttpProcessor; import org.apache.http.protocol.HttpRequestHandler; import org.apache.http.protocol.HttpService; import org.apache.http.protocol.ImmutableHttpProcessor; 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 org.apache.http.protocol.UriHttpRequestHandlerMapper; import org.apache.http.util.Asserts; public class HttpServer { private final HttpProcessor httpproc; private final ConnectionReuseStrategy connStrategy; private final HttpResponseFactory responseFactory; private final UriHttpRequestHandlerMapper reqistry; private final ServerSocket serversocket; private volatile HttpExpectationVerifier expectationVerifier; private volatile Thread listener; private volatile boolean shutdown; private volatile int timeout; public HttpServer() throws IOException { super(); this.httpproc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] { new ResponseDate(), new ResponseServer("TEST-SERVER/1.1"), new ResponseContent(), new ResponseConnControl() }); this.connStrategy = DefaultConnectionReuseStrategy.INSTANCE; this.responseFactory = DefaultHttpResponseFactory.INSTANCE; this.reqistry = new UriHttpRequestHandlerMapper(); this.serversocket = new ServerSocket(0); } public int getTimeout() { return this.timeout; } public void setTimeout(final int timeout) { this.timeout = timeout; } public void registerHandler(final String pattern, final HttpRequestHandler handler) { this.reqistry.register(pattern, handler); } public void setExpectationVerifier(final HttpExpectationVerifier expectationVerifier) { this.expectationVerifier = expectationVerifier; } private HttpServerConnection acceptConnection() throws IOException { final Socket socket = this.serversocket.accept(); final LoggingBHttpServerConnection conn = new LoggingBHttpServerConnection(8 * 1024); conn.bind(socket); conn.setSocketTimeout(this.timeout); return conn; } public int getPort() { return this.serversocket.getLocalPort(); } public InetAddress getInetAddress() { return this.serversocket.getInetAddress(); } public void start() { Asserts.check(this.listener == null, "Listener already running"); this.listener = new Thread(new Runnable() { public void run() { while (!shutdown && !Thread.interrupted()) { try { // Set up HTTP connection final HttpServerConnection conn = acceptConnection(); // Set up the HTTP service final HttpService httpService = new HttpService(httpproc, connStrategy, responseFactory, reqistry, expectationVerifier); // Start worker thread final Thread t = new WorkerThread(httpService, conn); t.setDaemon(true); t.start(); } catch (final InterruptedIOException ex) { break; } catch (final IOException e) { break; } } } }); this.listener.start(); } public void shutdown() { if (this.shutdown) { return; } this.shutdown = true; try { this.serversocket.close(); } catch (final IOException ignore) { } this.listener.interrupt(); try { this.listener.join(1000); } catch (final InterruptedException ignore) { } } static class WorkerThread extends Thread { private final HttpService httpservice; private final HttpServerConnection conn; public WorkerThread(final HttpService httpservice, final HttpServerConnection conn) { super(); this.httpservice = httpservice; this.conn = conn; } @Override public void run() { final HttpContext context = new BasicHttpContext(null); try { while (!Thread.interrupted() && this.conn.isOpen()) { this.httpservice.handleRequest(this.conn, context); } } catch (final ConnectionClosedException ex) { } catch (final IOException ex) { System.err.println("I/O error: " + ex.getMessage()); } catch (final HttpException ex) { System.err.println("Unrecoverable HTTP protocol violation: " + ex.getMessage()); } finally { try { this.conn.shutdown(); } catch (final IOException ignore) { } } } } }