/* * Copyright 1999,2005 The Apache Software Foundation. *  * 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 org.apache.xmlrpc;import junit.framework.TestCase;/** * Abstract base class for tests that require a local WebServer for * test XML-RPC messages. * * @author <a href="mailto:rhoegg@isisnetworks.net">Ryan Hoegg</a> * @version $Id: LocalServerRpcTest.java,v 1.3 2005/04/22 10:26:17 hgomez Exp $ */abstract public class LocalServerRpcTest    extends TestCase {        /**     * The name of our RPC handler.     */    protected static final String HANDLER_NAME = "TestHandler";    /**     * The value to use in our request parameter.     */    protected static final String REQUEST_PARAM_VALUE = "foobar";	protected static int SERVER_PORT;    /**     * The value to use in our request parameter.     */    protected static final String REQUEST_PARAM_XML =        "<value>" + REQUEST_PARAM_VALUE + "</value>";    /**     * A RPC request of our echo server in XML.     */    protected static final String RPC_REQUEST =        "<?xml version=\"1.0\"?>\n" +        "<methodCall>\n" +        " <methodName>" + HANDLER_NAME + ".echo</methodName>\n" +        " <params><param>" + REQUEST_PARAM_XML + "</param></params>\n" +        "</methodCall>\n";        public LocalServerRpcTest(String message) {        super(message);    }        protected WebServer webServer;    /**     * Sets up a @link WebServer instance listening on the localhost.     *     * @param port Port to use for the WebServer     */	private void setUpWebServer(int port) {        webServer = new WebServer(port);        webServer.addHandler(HANDLER_NAME, new TestHandler());    }        /**     * Sets up the @link WebServer with the default port.     */    protected void setUpWebServer() {		setUpWebServer(SERVER_PORT);    }    /**     * Starts the WebServer so tests can be run against it.     */    protected void startWebServer() {        webServer.start();		SERVER_PORT = webServer.serverSocket.getLocalPort();    }        /**     * Stops the WebServer     */    protected void stopWebServer() {        webServer.shutdown();    }        protected class TestHandler {        public String echo(String message) {            return message;        }    }}