Java tutorial
/* * $Id: MockServletContext.java 471754 2006-11-06 14:55:09Z husted $ * * 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.struts.mock; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.servlet.RequestDispatcher; import javax.servlet.Servlet; import javax.servlet.ServletContext; import java.io.InputStream; import java.net.URL; import java.util.Enumeration; import java.util.HashMap; import java.util.Set; /** * <p>Mock <strong>ServletContext</strong> object for low-level unit tests of * Struts controller components. Coarser grained tests should be implemented * in terms of the Cactus framework, instead of the mock object classes.</p> * * <p><strong>WARNING</strong> - Only the minimal set of methods needed to * create unit tests is provided, plus additional methods to configure this * object as necessary. Methods for unsupported operations will throw * <code>UnsupportedOperationException</code>.</p> * * <p><strong>WARNING</strong> - Because unit tests operate in a single * threaded environment, no synchronization is performed.</p> * * @version $Rev: 471754 $ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005) * $ */ public class MockServletContext implements ServletContext { // ----------------------------------------------------- Instance Variables /** * <p> The set of servlet context attributes. </p> */ protected HashMap attributes = new HashMap(); /** * <p> Default destination for <code>LOG()</code> output. </p> */ protected Log log = LogFactory.getLog(MockServletContext.class); /** * <p> The set of context initialization parameters. </p> */ protected HashMap parameters = new HashMap(); // --------------------------------------------------------- Public Methods public void addInitParameter(String name, String value) { parameters.put(name, value); } public void setLog(Log log) { this.log = log; } // ------------------------------------------------- ServletContext Methods public Object getAttribute(String name) { return (attributes.get(name)); } public Enumeration getAttributeNames() { return (new MockEnumeration(attributes.keySet().iterator())); } public ServletContext getContext(String uripath) { throw new UnsupportedOperationException(); } public String getInitParameter(String name) { return ((String) parameters.get(name)); } public Enumeration getInitParameterNames() { return (new MockEnumeration(parameters.keySet().iterator())); } public int getMajorVersion() { return (2); } public String getMimeType(String file) { throw new UnsupportedOperationException(); } public int getMinorVersion() { return (3); } public RequestDispatcher getNamedDispatcher(String name) { throw new UnsupportedOperationException(); } public String getRealPath(String path) { throw new UnsupportedOperationException(); } public RequestDispatcher getRequestDispatcher(String path) { throw new UnsupportedOperationException(); } public URL getResource(String path) { return this.getClass().getResource(path); //throw new UnsupportedOperationException(); } public InputStream getResourceAsStream(String path) { return this.getClass().getResourceAsStream(path); //throw new UnsupportedOperationException(); } public Set getResourcePaths(String path) { throw new UnsupportedOperationException(); } public String getServerInfo() { return ("MockServletContext/$Version$"); } public Servlet getServlet(String name) { throw new UnsupportedOperationException(); } public String getServletContextName() { return (getServerInfo()); } public Enumeration getServletNames() { throw new UnsupportedOperationException(); } public Enumeration getServlets() { throw new UnsupportedOperationException(); } public void log(Exception exception, String message) { log(message, exception); } public void log(String message) { log.info(message); } public void log(String message, Throwable throwable) { log.error(message, throwable); } public void removeAttribute(String name) { attributes.remove(name); } public void setAttribute(String name, Object value) { if (value == null) { attributes.remove(name); } else { attributes.put(name, value); } } }