Spring Framework example source code file (ParameterHandlerMappingTests.java)

This example Spring Framework source code file (ParameterHandlerMappingTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

conf, exception, exception, handlermapping, illegalstateexception, mockportletcontext, mockportletrequest, mockportletrequest, object, object, parameterhandlermapping, parameterhandlermapping, string, xmlportletapplicationcontext

The Spring Framework ParameterHandlerMappingTests.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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.springframework.web.portlet.handler;

import junit.framework.TestCase;

import org.springframework.mock.web.portlet.MockPortletContext;
import org.springframework.mock.web.portlet.MockPortletRequest;
import org.springframework.web.portlet.HandlerMapping;
import org.springframework.web.portlet.context.ConfigurablePortletApplicationContext;
import org.springframework.web.portlet.context.XmlPortletApplicationContext;

/**
 * @author Mark Fisher
 */
public class ParameterHandlerMappingTests extends TestCase {

	public static final String CONF = "/org/springframework/web/portlet/handler/parameterMapping.xml";
	
	private ConfigurablePortletApplicationContext pac; 
	
	public void setUp() throws Exception {
		MockPortletContext portletContext = new MockPortletContext();
		pac = new XmlPortletApplicationContext();
		pac.setPortletContext(portletContext);
		pac.setConfigLocations(new String[] {CONF});
		pac.refresh();
	}
	
	public void testParameterMapping() throws Exception {
		HandlerMapping hm = (HandlerMapping)pac.getBean("handlerMapping");
		
		MockPortletRequest addRequest = new MockPortletRequest();
		addRequest.addParameter("action", "add");

		MockPortletRequest removeRequest = new MockPortletRequest();
		removeRequest.addParameter("action", "remove");
		
		Object addHandler = hm.getHandler(addRequest).getHandler();
		Object removeHandler = hm.getHandler(removeRequest).getHandler();
		
		assertEquals(pac.getBean("addItemHandler"), addHandler);
		assertEquals(pac.getBean("removeItemHandler"), removeHandler);
	}
	
	public void testUnregisteredHandlerWithNoDefault() throws Exception {
		HandlerMapping hm = (HandlerMapping)pac.getBean("handlerMapping");
		
		MockPortletRequest request = new MockPortletRequest();
		request.addParameter("action", "modify");

		assertNull(hm.getHandler(request));		
	}

	public void testUnregisteredHandlerWithDefault() throws Exception {
		ParameterHandlerMapping hm = (ParameterHandlerMapping)pac.getBean("handlerMapping");
		Object defaultHandler = new Object();
		hm.setDefaultHandler(defaultHandler);
		
		MockPortletRequest request = new MockPortletRequest();
		request.addParameter("action", "modify");

		assertNotNull(hm.getHandler(request));
		assertEquals(defaultHandler, hm.getHandler(request).getHandler());
	}
	
	public void testConfiguredParameterName() throws Exception {
		ParameterHandlerMapping hm = (ParameterHandlerMapping)pac.getBean("handlerMapping");
		hm.setParameterName("someParam");
	
		MockPortletRequest request = new MockPortletRequest();
		request.addParameter("someParam", "add");
		
		Object handler = hm.getHandler(request).getHandler();
		assertEquals(pac.getBean("addItemHandler"), handler);
	}
	
	public void testDuplicateMappingAttempt() {
		ParameterHandlerMapping hm = (ParameterHandlerMapping)pac.getBean("handlerMapping");
		try {
			hm.registerHandler("add", new Object());
			fail("Should have thrown IllegalStateException");
		}
		catch (IllegalStateException ex) {
			// expected
		}
	}

}