Spring Framework example source code file (HttpRequestHandlerTests.java)

This example Spring Framework source code file (HttpRequestHandlerTests.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

http, httprequesthandler, io, ioexception, ioexception, mockhttpservletrequest, mockhttpservletresponse, mockservletconfig, mockservletcontext, mockservletcontext, request, response, servlet, servletexception, servletexception, should, should, staticwebapplicationcontext, testcase

The Spring Framework HttpRequestHandlerTests.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.support;

import java.io.IOException;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletConfig;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.HttpRequestHandler;
import org.springframework.web.context.WebApplicationContext;

/**
 * @author Juergen Hoeller
 * @since 2.0
 */
public class HttpRequestHandlerTests extends TestCase {

	public void testHttpRequestHandlerServletPassThrough() throws Exception {
		MockServletContext servletContext = new MockServletContext();
		final MockHttpServletRequest request = new MockHttpServletRequest();
		final MockHttpServletResponse response = new MockHttpServletResponse();

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.getBeanFactory().registerSingleton("myHandler", new HttpRequestHandler() {
			public void handleRequest(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
				assertSame(request, req);
				assertSame(response, res);
				String exception = request.getParameter("exception");
				if ("ServletException".equals(exception)) {
					throw new ServletException("test");
				}
				if ("IOException".equals(exception)) {
					throw new IOException("test");
				}
				res.getWriter().write("myResponse");
			}
		});
		wac.setServletContext(servletContext);
		wac.refresh();
		servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);

		Servlet servlet = new HttpRequestHandlerServlet();
		servlet.init(new MockServletConfig(servletContext, "myHandler"));

		servlet.service(request, response);
		assertEquals("myResponse", response.getContentAsString());

		try {
			request.setParameter("exception", "ServletException");
			servlet.service(request, response);
			fail("Should have thrown ServletException");
		}
		catch (ServletException ex) {
			assertEquals("test", ex.getMessage());
		}

		try {
			request.setParameter("exception", "IOException");
			servlet.service(request, response);
			fail("Should have thrown IOException");
		}
		catch (IOException ex) {
			assertEquals("test", ex.getMessage());
		}
	}

}