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Spring Framework example source code file (PassThroughFilterChain.java)

This example Spring Framework source code file (PassThroughFilterChain.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

filter, filter, filterchain, filterchain, io, ioexception, passthroughfilterchain, passthroughfilterchain, servlet, servlet, servletexception, servletresponse

The Spring Framework PassThroughFilterChain.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 java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.util.Assert;

/**
 * Implementation of the {@link javax.servlet.FilterConfig} interface which
 * simply passes the call through to a given Filter/FilterChain combo
 * (indicating the next Filter in the chain along with the FilterChain that it is
 * supposed to work on) or to a given Servlet (indicating the end of the chain).
 *
 * @author Juergen Hoeller
 * @since 2.0.3
 * @see javax.servlet.Filter
 * @see javax.servlet.Servlet
 * @see MockFilterChain
 */
public class PassThroughFilterChain implements FilterChain {

	private Filter filter;

	private FilterChain nextFilterChain;

	private Servlet servlet;


	/**
	 * Create a new PassThroughFilterChain that delegates to the given Filter,
	 * calling it with the given FilterChain.
	 * @param filter the Filter to delegate to
	 * @param nextFilterChain the FilterChain to use for that next Filter
	 */
	public PassThroughFilterChain(Filter filter, FilterChain nextFilterChain) {
		Assert.notNull(filter, "Filter must not be null");
		Assert.notNull(nextFilterChain, "'FilterChain must not be null");
		this.filter = filter;
		this.nextFilterChain = nextFilterChain;
	}

	/**
	 * Create a new PassThroughFilterChain that delegates to the given Servlet.
	 * @param servlet the Servlet to delegate to
	 */
	public PassThroughFilterChain(Servlet servlet) {
		Assert.notNull(servlet, "Servlet must not be null");
		this.servlet = servlet;
	}


	/**
	 * Pass the call on to the Filter/Servlet.
	 */
	public void doFilter(ServletRequest request, ServletResponse response) throws ServletException, IOException {
		if (this.filter != null) {
			this.filter.doFilter(request, response, this.nextFilterChain);
		}
		else {
			this.servlet.service(request, response);
		}
	}

}

Other Spring Framework examples (source code examples)

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

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