Java tutorial
/* * Copyright 2012 - Jon DeYoung * * 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.dajodi.scandic; 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.ssl.SSLSocketFactory; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.SingleClientConnManager; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; public enum Singleton { INSTANCE; /** * Indicates whether or not we are in production mode. * In production mode, no tracking is done. */ private final boolean production = true; private final DefaultHttpClient httpClient; private final HtmlScraper scraper; private Singleton() { // should use the default driver if possible this.httpClient = creatHttpClient(); // java.util.logging.Logger.getLogger("org.apache.http.wire").setLevel(java.util.logging.Level.FINEST); // java.util.logging.Logger.getLogger("org.apache.http.headers").setLevel(java.util.logging.Level.FINEST); // System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog"); // System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true"); // System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire", "warn"); // System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.http", "debug"); // System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.http.headers", "debug"); // System.setProperty("org.apache.http.client.protocol.RequestAddCookies", "debug"); // System.setProperty("org.apache.http.client.protocol.ResponseProcessCookies", "debug"); scraper = new JSoupScraper(); } private DefaultHttpClient creatHttpClient() { HttpParams parms = new BasicHttpParams(); SchemeRegistry registry = new SchemeRegistry(); registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); registry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); SingleClientConnManager manager = new SingleClientConnManager(parms, registry); DefaultHttpClient client = new DefaultHttpClient(manager, parms); return client; } public DefaultHttpClient getHttpClient() { return this.httpClient; } public HtmlScraper getScraper() { return this.scraper; } }