Spring Framework example source code file (RequestAndSessionScopedProxyTests.java)

This example Spring Framework source code file (RequestAndSessionScopedProxyTests.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

beancreationexception, beancreationexception, exception, http, httpservletrequest, mockhttpservletrequest, mockhttpservletrequest, request, response, rootbeandefinition, servlet, servletrequestattributes, should, staticwebapplicationcontext, staticwebapplicationcontext, string, testbean, testbean

The Spring Framework RequestAndSessionScopedProxyTests.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.context.request;

import javax.servlet.http.HttpServletRequest;

import junit.framework.TestCase;

import org.springframework.beans.TestBean;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.context.support.StaticWebApplicationContext;

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

	public void testPutBeanInRequest() throws Exception {
		String targetBeanName = "target";

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
		bd.setScope(WebApplicationContext.SCOPE_REQUEST);
		bd.getPropertyValues().addPropertyValue("name", "abc");
		wac.registerBeanDefinition(targetBeanName, bd);
		wac.refresh();

		HttpServletRequest request = new MockHttpServletRequest();
		RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
		TestBean target = (TestBean) wac.getBean(targetBeanName);
		assertEquals("abc", target.getName());
		assertSame(target, request.getAttribute(targetBeanName));

		TestBean target2 = (TestBean) wac.getBean(targetBeanName);
		assertEquals("abc", target2.getName());
		assertSame(target2, target);
		assertSame(target2, request.getAttribute(targetBeanName));

		request = new MockHttpServletRequest();
		RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
		TestBean target3 = (TestBean) wac.getBean(targetBeanName);
		assertEquals("abc", target3.getName());
		assertSame(target3, request.getAttribute(targetBeanName));
		assertNotSame(target3, target);

		RequestContextHolder.setRequestAttributes(null);
		try {
			wac.getBean(targetBeanName);
			fail("Should have thrown BeanCreationException");
		}
		catch (BeanCreationException ex) {
			// expected
		}
	}
	
	public void testPutBeanInSession() throws Exception {
		String targetBeanName = "target";
		HttpServletRequest request = new MockHttpServletRequest();
		RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
		bd.setScope(WebApplicationContext.SCOPE_SESSION);
		bd.getPropertyValues().addPropertyValue("name", "abc");
		wac.registerBeanDefinition(targetBeanName, bd);
		wac.refresh();

		TestBean target = (TestBean) wac.getBean(targetBeanName);
		assertEquals("abc", target.getName());
		assertSame(target, request.getSession().getAttribute(targetBeanName));

		RequestContextHolder.setRequestAttributes(null);
		try {
			wac.getBean(targetBeanName);
			fail("Should have thrown BeanCreationException");
		}
		catch (BeanCreationException ex) {
			// expected
		}
	}

}