Spring Framework example source code file (BeanNameUrlHandlerMappingTests.java)

This example Spring Framework source code file (BeanNameUrlHandlerMappingTests.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

beannameurlhandlermapping, beannameurlhandlermapping, exception, get, get, handler, handler, handlerexecutionchain, handlermapping, illegalstateexception, mockhttpservletrequest, mockhttpservletrequest, object, servlet, string

The Spring Framework BeanNameUrlHandlerMappingTests.java source code

/*
 * Copyright 2002-2007 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.servlet.handler;

import javax.servlet.ServletException;

import junit.framework.TestCase;

import org.springframework.context.support.StaticApplicationContext;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.context.ConfigurableWebApplicationContext;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.HandlerMapping;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class BeanNameUrlHandlerMappingTests extends TestCase {

	public static final String CONF = "/org/springframework/web/servlet/handler/map1.xml";
	
	private ConfigurableWebApplicationContext wac;

	public void setUp() throws Exception {
		MockServletContext sc = new MockServletContext("");
		wac = new XmlWebApplicationContext();
		wac.setServletContext(sc);
		wac.setConfigLocations(new String[] {CONF});
		wac.refresh();
	}

	public void testRequestsWithoutHandlers() throws Exception {
		HandlerMapping hm = (HandlerMapping) wac.getBean("handlerMapping");

		MockHttpServletRequest req = new MockHttpServletRequest("GET", "/mypath/nonsense.html");
		req.setContextPath("/myapp");
		Object h = hm.getHandler(req);
		assertTrue("Handler is null", h == null);

		req = new MockHttpServletRequest("GET", "/foo/bar/baz.html");
		h = hm.getHandler(req);
		assertTrue("Handler is null", h == null);
	}

	public void testRequestsWithSubPaths() throws Exception {
		HandlerMapping hm = (HandlerMapping) wac.getBean("handlerMapping");
		doTestRequestsWithSubPaths(hm);
	}

	public void testRequestsWithSubPathsInParentContext() throws Exception {
		BeanNameUrlHandlerMapping hm = new BeanNameUrlHandlerMapping();
		hm.setDetectHandlersInAncestorContexts(true);
		hm.setApplicationContext(new StaticApplicationContext(wac));
		doTestRequestsWithSubPaths(hm);
	}

	private void doTestRequestsWithSubPaths(HandlerMapping hm) throws Exception {
		Object bean = wac.getBean("godCtrl");

		MockHttpServletRequest req = new MockHttpServletRequest("GET", "/mypath/welcome.html");
		HandlerExecutionChain hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/myapp/mypath/welcome.html");
		req.setContextPath("/myapp");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);
		
		req = new MockHttpServletRequest("GET", "/myapp/mypath/welcome.html");
		req.setContextPath("/myapp");
		req.setServletPath("/mypath/welcome.html");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/myapp/myservlet/mypath/welcome.html");
		req.setContextPath("/myapp");
		req.setServletPath("/myservlet");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/myapp/myapp/mypath/welcome.html");
		req.setContextPath("/myapp");
		req.setServletPath("/myapp");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/show.html");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/bookseats.html");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);
	}
	
	public void testRequestsWithFullPaths() throws Exception {
		BeanNameUrlHandlerMapping hm = new BeanNameUrlHandlerMapping();
		hm.setAlwaysUseFullPath(true);
		hm.setApplicationContext(wac);
		Object bean = wac.getBean("godCtrl");

		MockHttpServletRequest req = new MockHttpServletRequest("GET", "/mypath/welcome.html");
		HandlerExecutionChain hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/myapp/mypath/welcome.html");
		req.setContextPath("/myapp");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/welcome.html");
		req.setContextPath("");
		req.setServletPath("/mypath");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/Myapp/mypath/welcome.html");
		req.setContextPath("/myapp");
		req.setServletPath("/mypath");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);
	}

	public void testAsteriskMatches() throws Exception {
		HandlerMapping hm = (HandlerMapping) wac.getBean("handlerMapping");
		Object bean = wac.getBean("godCtrl");

		MockHttpServletRequest req = new MockHttpServletRequest("GET", "/mypath/test.html");
		HandlerExecutionChain hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/testarossa");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/tes");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec == null);
	}

	public void testOverlappingMappings() throws Exception {
		BeanNameUrlHandlerMapping hm = (BeanNameUrlHandlerMapping) wac.getBean("handlerMapping");
		Object anotherHandler = new Object();
		hm.registerHandler("/mypath/testaross*", anotherHandler);
		Object bean = wac.getBean("godCtrl");

		MockHttpServletRequest req = new MockHttpServletRequest("GET", "/mypath/test.html");
		HandlerExecutionChain hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

		req = new MockHttpServletRequest("GET", "/mypath/testarossa");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == anotherHandler);

		req = new MockHttpServletRequest("GET", "/mypath/tes");
		hec = hm.getHandler(req);
		assertTrue("Handler is correct bean", hec == null);
	}

	public void testDoubleMappings() throws ServletException {
		BeanNameUrlHandlerMapping hm = (BeanNameUrlHandlerMapping) wac.getBean("handlerMapping");
		try {
			hm.registerHandler("/mypath/welcome.html", new Object());
			fail("Should have thrown IllegalStateException");
		}
		catch (IllegalStateException ex) {
			// expected
		}
	}

}