Java tutorial
/* * Copyright 2013 Google Inc. All Rights Reserved. * 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 com.google.appengine.tck.endpoints.support; import java.io.IOException; import java.net.URL; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLException; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.http.HttpResponse; import org.apache.http.HttpVersion; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.scheme.PlainSocketFactory; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.scheme.SchemeSocketFactory; import org.apache.http.conn.ssl.SSLSocketFactory; 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.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.params.HttpProtocolParams; import org.apache.http.util.EntityUtils; /** * @author <a href="mailto:mluksa@redhat.com">Marko Luksa</a> * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a> */ public class EndPointClient { private HttpClient client; private int connectionTimeout = 30 * 1000; private HttpVersion httpVersion = HttpVersion.HTTP_1_1; private String contentCharset = "UTF-8"; private int port = 80; private int sslPort = 443; public String doGet(URL url) throws Exception { return doRequest(new HttpGet(url.toURI())); } public String doPost(URL url) throws Exception { return doRequest(new HttpPost(url.toURI())); } public String doPut(URL url) throws Exception { return doRequest(new HttpPut(url.toURI())); } public String doDelete(URL url) throws Exception { return doRequest(new HttpDelete(url.toURI())); } public void shutdown() { if (client != null) { HttpClient tmp = client; client = null; tmp.getConnectionManager().shutdown(); } } private String doRequest(HttpUriRequest request) throws IOException { HttpClient httpClient = getClient(); HttpResponse response = httpClient.execute(request); return EntityUtils.toString(response.getEntity()); } /** * Get client. * * @return the client */ private synchronized HttpClient getClient() { if (client == null) { HttpParams params = new BasicHttpParams(); HttpConnectionParams.setConnectionTimeout(params, getConnectionTimeout()); HttpProtocolParams.setVersion(params, getHttpVersion()); HttpProtocolParams.setContentCharset(params, getContentCharset()); // Create and initialize scheme registry SchemeRegistry schemeRegistry = new SchemeRegistry(); schemeRegistry.register(new Scheme("http", getPort(), getPlainFactory())); schemeRegistry.register(new Scheme("https", getSslPort(), getSslFactory())); ClientConnectionManager ccm = createClientConnectionManager(schemeRegistry); client = createClient(ccm, params); } return client; } /** * Create client connection manager. * <p/> * Create an HttpClient with the ThreadSafeClientConnManager. * This connection manager must be used if more than one thread will * be using the HttpClient. * * @param schemeRegistry the scheme registry * @return new client connection manager */ protected ClientConnectionManager createClientConnectionManager(SchemeRegistry schemeRegistry) { return new PoolingClientConnectionManager(schemeRegistry); } /** * Create new http client. * * @param ccm the client connection manager * @param params the http params * @return new http client */ protected HttpClient createClient(ClientConnectionManager ccm, HttpParams params) { return new DefaultHttpClient(ccm, params); } protected SchemeSocketFactory getPlainFactory() { return PlainSocketFactory.getSocketFactory(); } /** * This ssl socket factory ignores validation. * * @return ssl socket factory */ protected SchemeSocketFactory getSslFactory() { try { TrustManager trm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException { } public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return null; } }; SSLContext sc = SSLContext.getInstance("SSL"); sc.init(null, new TrustManager[] { trm }, null); X509HostnameVerifier hostnameVerifier = new X509HostnameVerifier() { public void verify(String host, SSLSocket ssl) throws IOException { } public void verify(String host, X509Certificate cert) throws SSLException { } public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException { } public boolean verify(String s, SSLSession sslSession) { return true; } }; return new SSLSocketFactory(sc, hostnameVerifier); } catch (Exception e) { throw new RuntimeException(e); } } public int getConnectionTimeout() { return connectionTimeout; } public void setConnectionTimeout(int connectionTimeout) { this.connectionTimeout = connectionTimeout; } public HttpVersion getHttpVersion() { return httpVersion; } public void setHttpVersion(HttpVersion httpVersion) { this.httpVersion = httpVersion; } public String getContentCharset() { return contentCharset; } public void setContentCharset(String contentCharset) { this.contentCharset = contentCharset; } public int getPort() { return port; } public void setPort(int port) { this.port = port; } public int getSslPort() { return sslPort; } public void setSslPort(int sslPort) { this.sslPort = sslPort; } }