Spring Framework example source code file (PathMapHandlerMappingTests.java)

This example Spring Framework source code file (PathMapHandlerMappingTests.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

beanpropertycontroller, exception, get, get, hashurlmaphandlermapping, hashurlmaphandlermapping, mockhttpservletrequest, mutablepropertyvalues, path, pathmap, pathmap, staticwebapplicationcontext, staticwebapplicationcontext, string, util

The Spring Framework PathMapHandlerMappingTests.java source code

/*
 * Copyright 2002-2005 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.metadata;

import java.util.HashMap;

import junit.framework.TestCase;

import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.UnsatisfiedDependencyException;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.HandlerExecutionChain;

/**
 * @author Rod Johnson
 */
public class PathMapHandlerMappingTests extends TestCase {
	
	public void testSatisfiedConstructorDependency() throws Exception {
		String path = "/Constructor.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.register(ConstructorController.class, new PathMap(path));
		hm.setApplicationContext(wac);

		ConstructorController cc = (ConstructorController) wac.getBean(ConstructorController.class.getName());
		assertSame(wac.getBean("test"), cc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute", cc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest("GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	public void testUnsatisfiedConstructorDependency() throws Exception {
		String path = "/Constructor.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		// No registration of a TestBean
		//wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.register(ConstructorController.class, new PathMap(path));
		try {
			hm.setApplicationContext(wac);
			fail("DependencyCheck should have failed");
		}
		catch (UnsatisfiedDependencyException ex) {
			// Ok
		}
	}

	public void testSatisfiedBeanPropertyDependency() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.register(BeanPropertyController.class, new PathMap(path));
		hm.setApplicationContext(wac);

		BeanPropertyController bpc = (BeanPropertyController) wac.getBean(BeanPropertyController.class.getName());
		assertSame(wac.getBean("test"), bpc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute", bpc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest("GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	public void testSatisfiedBeanPropertyDependencyWithAutowireByType() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.setAutowireMode(AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE);
		hm.register(BeanPropertyController.class, new PathMap(path));
		hm.setApplicationContext(wac);

		BeanPropertyController bpc = (BeanPropertyController) wac.getBean(BeanPropertyController.class.getName());
		assertSame(wac.getBean("test"), bpc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute", bpc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest("GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	public void testUnsatisfiedBeanPropertyDependencyWithAutowireByType() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.setAutowireModeName("AUTOWIRE_BY_TYPE");
		hm.register(BeanPropertyController.class, new PathMap(path));
		try {
			hm.setApplicationContext(wac);
			fail("DependencyCheck should have failed");
		}
		catch (UnsatisfiedDependencyException ex) {
			// Ok
		}
	}

	public void testSatisfiedBeanPropertyDependencyWithAutowireByName() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("testBean", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.setAutowireModeName("AUTOWIRE_BY_NAME");
		hm.register(BeanPropertyController.class, new PathMap(path));
		hm.setApplicationContext(wac);

		BeanPropertyController bpc = (BeanPropertyController) wac.getBean(BeanPropertyController.class.getName());
		assertSame(wac.getBean("testBean"), bpc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute", bpc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest("GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	public void testUnsatisfiedBeanPropertyDependencyWithAutowireByName() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.setAutowireMode(AutowireCapableBeanFactory.AUTOWIRE_BY_NAME);
		hm.register(BeanPropertyController.class, new PathMap(path));
		try {
			hm.setApplicationContext(wac);
			fail("DependencyCheck should have failed");
		}
		catch (UnsatisfiedDependencyException ex) {
			// Ok
		}
	}

	public void testUnsatisfiedBeanPropertyDependencyWithNoDependencyCheck() throws Exception {
		String path = "/BeanProperty.htm";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.setAutowireModeName("AUTOWIRE_BY_NAME");
		hm.setDependencyCheck(false);
		hm.register(BeanPropertyController.class, new PathMap(path));
		hm.setApplicationContext(wac);

		BeanPropertyController bpc = (BeanPropertyController) wac.getBean(BeanPropertyController.class.getName());
		assertNull("Not autowired but no dependency check", bpc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute", bpc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest("GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	public void testMultiplePaths() throws Exception {
		String path1 = "/Constructor.htm";
		String path2 = "path2.cgi";
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.registerSingleton("test", TestBean.class, new MutablePropertyValues());

		HashUrlMapHandlerMapping hm = new HashUrlMapHandlerMapping();
		hm.register(ConstructorController.class, new PathMap[] { new PathMap(path1), new PathMap(path2) });
		hm.setApplicationContext(wac);
		ConstructorController cc = (ConstructorController) wac.getBean(ConstructorController.class.getName());
		assertSame(wac.getBean("test"), cc.testBean);
		HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path1));
		assertNotNull(chain);
		assertEquals("Path is mapped correctly based on attribute 1", cc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest(null, "GET", "/" + path2));
		assertEquals("Path is mapped correctly based on attribute 2", cc, chain.getHandler());
		chain = hm.getHandler(new MockHttpServletRequest(null, "GET", "completeRubbish.html"));
		assertNull("Don't know anything about this path", chain);
	}

	
	private static class HashUrlMapHandlerMapping extends AbstractPathMapHandlerMapping {

		private HashMap classToPathMaps = new HashMap();

		public void register(Class clazz, PathMap pm) {
			classToPathMaps.put(clazz, new PathMap[] { pm });
		}

		public void register(Class clazz, PathMap[] pms) {
			classToPathMaps.put(clazz, pms);
		}

		protected Class[] getClassesWithPathMapAttributes() {
			return (Class[]) classToPathMaps.keySet().toArray(new Class[classToPathMaps.size()]);
		}

		protected PathMap[] getPathMapAttributes(Class handlerClass) {
			return (PathMap[]) classToPathMaps.get(handlerClass);
		}
	}

}