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Spring Framework example source code file (MockRequestDispatcher.java)

This example Spring Framework source code file (MockRequestDispatcher.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

cannot, http, illegalargumentexception, mockhttpservletresponse, mockhttpservletresponse, mockrequestdispatcher, mockrequestdispatcher, request, request, requestdispatcher, response, response, servlet, servletresponse, string, url, url

The Spring Framework MockRequestDispatcher.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.mock.web;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.util.Assert;

/**
 * Mock implementation of the {@link javax.servlet.RequestDispatcher} interface.
 *
 * <p>Used for testing the web framework; typically not necessary for
 * testing application controllers.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @since 1.0.2
 */
public class MockRequestDispatcher implements RequestDispatcher {

	private final Log logger = LogFactory.getLog(getClass());

	private final String url;


	/**
	 * Create a new MockRequestDispatcher for the given URL.
	 * @param url the URL to dispatch to.
	 */
	public MockRequestDispatcher(String url) {
		Assert.notNull(url, "URL must not be null");
		this.url = url;
	}


	public void forward(ServletRequest request, ServletResponse response) {
		Assert.notNull(request, "Request must not be null");
		Assert.notNull(response, "Response must not be null");
		if (response.isCommitted()) {
			throw new IllegalStateException("Cannot perform forward - response is already committed");
		}
		getMockHttpServletResponse(response).setForwardedUrl(this.url);
		if (logger.isDebugEnabled()) {
			logger.debug("MockRequestDispatcher: forwarding to URL [" + this.url + "]");
		}
	}

	public void include(ServletRequest request, ServletResponse response) {
		Assert.notNull(request, "Request must not be null");
		Assert.notNull(response, "Response must not be null");
		getMockHttpServletResponse(response).setIncludedUrl(this.url);
		if (logger.isDebugEnabled()) {
			logger.debug("MockRequestDispatcher: including URL [" + this.url + "]");
		}
	}

	/**
	 * Obtain the underlying MockHttpServletResponse,
	 * unwrapping {@link HttpServletResponseWrapper} decorators if necessary.
	 */
	protected MockHttpServletResponse getMockHttpServletResponse(ServletResponse response) {
		if (response instanceof MockHttpServletResponse) {
			return (MockHttpServletResponse) response;
		}
		if (response instanceof HttpServletResponseWrapper) {
			return getMockHttpServletResponse(((HttpServletResponseWrapper) response).getResponse());
		}
		throw new IllegalArgumentException("MockRequestDispatcher requires MockHttpServletResponse");
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework MockRequestDispatcher.java source code file:

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