Spring Framework example source code file (SimpleUrlHandlerMappingTests.java)

This example Spring Framework source code file (SimpleUrlHandlerMappingTests.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

exception, get, get, handler, handler, handlerexecutionchain, mockhttpservletrequest, mockhttpservletrequest, mockservletcontext, nosuchbeandefinitionexception, object, string, xmlwebapplicationcontext, xmlwebapplicationcontext

The Spring Framework SimpleUrlHandlerMappingTests.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 junit.framework.TestCase;

import org.springframework.beans.FatalBeanException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.HandlerMapping;
import org.springframework.web.util.WebUtils;

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

	public void testHandlerBeanNotFound() throws Exception {
		MockServletContext sc = new MockServletContext("");
		XmlWebApplicationContext root = new XmlWebApplicationContext();
		root.setServletContext(sc);
		root.setConfigLocations(new String[] {"/org/springframework/web/servlet/handler/map1.xml"});
		root.refresh();
		XmlWebApplicationContext wac = new XmlWebApplicationContext();
		wac.setParent(root);
		wac.setServletContext(sc);
		wac.setNamespace("map2err");
		wac.setConfigLocations(new String[] {"/org/springframework/web/servlet/handler/map2err.xml"});
		try {
			wac.refresh();
			fail("Should have thrown NoSuchBeanDefinitionException");
		}
		catch (FatalBeanException ex) {
			NoSuchBeanDefinitionException nestedEx = (NoSuchBeanDefinitionException) ex.getCause();
			assertEquals("mainControlle", nestedEx.getBeanName());
		}
	}

	public void testUrlMappingWithUrlMap() throws Exception {
		checkMappings("urlMapping");
	}

	public void testUrlMappingWithProps() throws Exception {
		checkMappings("urlMappingWithProps");
	}

	private void checkMappings(String beanName) throws Exception {
		MockServletContext sc = new MockServletContext("");
		XmlWebApplicationContext wac = new XmlWebApplicationContext();
		wac.setServletContext(sc);
		wac.setConfigLocations(new String[] {"/org/springframework/web/servlet/handler/map2.xml"});
		wac.refresh();
		Object bean = wac.getBean("mainController");
		Object otherBean = wac.getBean("otherController");
		Object defaultBean = wac.getBean("starController");
		HandlerMapping hm = (HandlerMapping) wac.getBean(beanName);

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

		req = new MockHttpServletRequest("GET", "/welcome.x");
		hec = getHandler(hm, req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == otherBean);
		assertEquals("welcome.x", req.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE));

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

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

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

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

		req = new MockHttpServletRequest("GET", "/original-welcome.html");
		req.setAttribute(WebUtils.INCLUDE_REQUEST_URI_ATTRIBUTE, "/welcome.html");
		hec = getHandler(hm, req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

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

		req = new MockHttpServletRequest("GET", "/original-bookseats.html");
		req.setAttribute(WebUtils.INCLUDE_REQUEST_URI_ATTRIBUTE, "/bookseats.html");
		hec = getHandler(hm, req);
		assertTrue("Handler is correct bean", hec != null && hec.getHandler() == bean);

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

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

	private HandlerExecutionChain getHandler(HandlerMapping hm, MockHttpServletRequest req) throws Exception {
		HandlerExecutionChain hec = hm.getHandler(req);
		HandlerInterceptor[] interceptors = hec.getInterceptors();
		if (interceptors != null) {
			for (int i = 0; i < interceptors.length; i++) {
				interceptors[i].preHandle(req, null, hec.getHandler());
			}
		}
		return hec;
	}

}