olegk 2003/01/25 11:24:40 Added: httpclient/src/examples CustomHttpConnection.java Log: Custom HTTP connection example by Armando Anton Revision Changes Path 1.1 jakarta-commons/httpclient/src/examples/CustomHttpConnection.java Index: CustomHttpConnection.java =================================================================== /* * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999-2003 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "HttpClient", and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * * [Additional notices, if required by prior licensing conditions] * */ import org.apache.commons.httpclient.HttpConnection; import org.apache.commons.httpclient.HttpState; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.URI; import org.apache.commons.httpclient.UsernamePasswordCredentials; import org.apache.commons.httpclient.protocol.Protocol; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.commons.httpclient.ConnectMethod; /** * This example demonstrates how to establishing connection to an HTTP server * when higher level of control is desired * * @author Armando Anton * @author Oleg Kalnichevski */ public class CustomHttpConnection { public static void main(String[] args) throws Exception { if (args.length != 1) { System.err.println("Usage: java CustomHttpConnection <url>"); System.err.println("<url> The url of a webpage"); System.exit(1); } URI uri = new URI(args[0].toCharArray()); // i like this constructor :) String schema = uri.getScheme(); if ((schema == null) || (schema.equals(""))) { schema = "http"; } Protocol protocol = Protocol.getProtocol(schema); HttpState state = new HttpState(); HttpMethod method = new GetMethod(uri.toString()); String host = uri.getHost(); int port = uri.getPort(); HttpConnection connection = new HttpConnection(host, port, protocol); connection.setProxyHost(System.getProperty("http.proxyHost")); connection.setProxyPort( Integer.parseInt(System.getProperty("http.proxyPort","80"))); if (System.getProperty("http.proxyUserName") != null) { state.setProxyCredentials(null, new UsernamePasswordCredentials( System.getProperty("http.proxyUserName"), System.getProperty("http.proxyPassword"))); } if (connection.isProxied() && connection.isSecure()) { method = new ConnectMethod(method); } method.execute(state, connection); if (method.getStatusCode() == HttpStatus.SC_OK) { System.out.println(method.getResponseBodyAsString()); } else { System.out.println("Unexpected failure: " + method.getStatusLine().toString()); } method.releaseConnection(); } }
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