Java tutorial
/* * 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.chemistry.opencmis.client.bindings.spi.http; import java.io.IOException; import java.net.InetSocketAddress; import java.net.Socket; import java.net.SocketTimeoutException; import javax.net.ssl.HostnameVerifier; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; import org.apache.chemistry.opencmis.client.bindings.impl.CmisBindingsHelper; import org.apache.chemistry.opencmis.client.bindings.spi.BindingSession; import org.apache.chemistry.opencmis.commons.impl.UrlBuilder; import org.apache.chemistry.opencmis.commons.spi.AuthenticationProvider; import org.apache.http.client.params.ClientPNames; import org.apache.http.client.params.CookiePolicy; import org.apache.http.conn.ConnectTimeoutException; import org.apache.http.conn.HttpInetSocketAddress; import org.apache.http.conn.scheme.PlainSocketFactory; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeLayeredSocketFactory; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.ssl.BrowserCompatHostnameVerifier; import org.apache.http.conn.ssl.X509HostnameVerifier; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.PoolingClientConnectionManager; import org.apache.http.impl.conn.ProxySelectorRoutePlanner; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; /** * A {@link HttpInvoker} that uses The Apache HTTP client. */ public class ApacheClientHttpInvoker extends AbstractApacheClientHttpInvoker { @Override protected DefaultHttpClient createHttpClient(UrlBuilder url, BindingSession session) { // set params HttpParams params = createDefaultHttpParams(session); params.setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.IGNORE_COOKIES); // set up scheme registry and connection manager SchemeRegistry registry = new SchemeRegistry(); registry.register(new Scheme("http", 80, PlainSocketFactory.getSocketFactory())); registry.register(new Scheme("https", 443, getSSLSocketFactory(url, session))); // set up connection manager PoolingClientConnectionManager connManager = new PoolingClientConnectionManager(registry); // set max connection a String keepAliveStr = System.getProperty("http.keepAlive", "true"); if ("true".equalsIgnoreCase(keepAliveStr)) { String maxConnStr = System.getProperty("http.maxConnections", "5"); int maxConn = 5; try { maxConn = Integer.parseInt(maxConnStr); } catch (NumberFormatException nfe) { // ignore } connManager.setDefaultMaxPerRoute(maxConn); connManager.setMaxTotal(4 * maxConn); } // set up proxy ProxySelectorRoutePlanner routePlanner = new ProxySelectorRoutePlanner(registry, null); // set up client DefaultHttpClient httpclient = new DefaultHttpClient(connManager, params); httpclient.setRoutePlanner(routePlanner); return httpclient; } /** * Builds a SSL Socket Factory for the Apache HTTP Client. */ private SchemeLayeredSocketFactory getSSLSocketFactory(final UrlBuilder url, final BindingSession session) { // get authentication provider AuthenticationProvider authProvider = CmisBindingsHelper.getAuthenticationProvider(session); // check SSL Socket Factory final SSLSocketFactory sf = authProvider.getSSLSocketFactory(); if (sf == null) { // no custom factory -> return default factory return org.apache.http.conn.ssl.SSLSocketFactory.getSocketFactory(); } // check hostame verifier and use default if not set final HostnameVerifier hv = (authProvider.getHostnameVerifier() == null ? new BrowserCompatHostnameVerifier() : authProvider.getHostnameVerifier()); if (hv instanceof X509HostnameVerifier) { return new org.apache.http.conn.ssl.SSLSocketFactory(sf, (X509HostnameVerifier) hv); } // build new socket factory return new SchemeLayeredSocketFactory() { @Override public boolean isSecure(Socket sock) { return true; } @Override public Socket createSocket(HttpParams params) throws IOException { return sf.createSocket(); } @Override public Socket connectSocket(final Socket socket, final InetSocketAddress remoteAddress, final InetSocketAddress localAddress, final HttpParams params) throws IOException { Socket sock = socket != null ? socket : createSocket(params); if (localAddress != null) { sock.setReuseAddress(HttpConnectionParams.getSoReuseaddr(params)); sock.bind(localAddress); } int connTimeout = HttpConnectionParams.getConnectionTimeout(params); int soTimeout = HttpConnectionParams.getSoTimeout(params); try { sock.setSoTimeout(soTimeout); sock.connect(remoteAddress, connTimeout); } catch (SocketTimeoutException ex) { closeSocket(sock); throw new ConnectTimeoutException("Connect to " + remoteAddress + " timed out!"); } String host; if (remoteAddress instanceof HttpInetSocketAddress) { host = ((HttpInetSocketAddress) remoteAddress).getHttpHost().getHostName(); } else { host = remoteAddress.getHostName(); } SSLSocket sslSocket; if (sock instanceof SSLSocket) { sslSocket = (SSLSocket) sock; } else { int port = remoteAddress.getPort(); sslSocket = (SSLSocket) sf.createSocket(sock, host, port, true); } verify(hv, host, sslSocket); return sslSocket; } @Override public Socket createLayeredSocket(final Socket socket, final String host, final int port, final HttpParams params) throws IOException { SSLSocket sslSocket = (SSLSocket) sf.createSocket(socket, host, port, true); verify(hv, host, sslSocket); return sslSocket; } }; } }