charsetfilter.java

来自「web版的SVN客户端」· Java 代码 · 共 58 行

/*
 * Copyright (c) 2004, 2005 Polarion Software, All rights reserved.
 * Email: [e-mail]
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 (the "License"). You may not use
 * this file except in compliance with the License. Copy of the License is
 * located in the file LICENSE.txt in the project distribution. You may also
 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 *
 * POLARION SOFTWARE MAKES NO REPRESENTATIONS OR WARRANTIES
 * ABOUT THE SUITABILITY OF THE SOFTWARE, EITHER EXPRESSED OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. POLARION SOFTWARE
 * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT
 * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 *
 */
package org.polarion.svnwebclient.web;

/**
 * 
 * 
 * @author <A HREF="mailto:[e-mail]">Polarion Software </A>
 */
import java.io.IOException;

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

public class CharsetFilter implements Filter {
    protected static final String REQUEST_ENCODING = "RequestEncoding";
    protected static final String DEFAULT_ENCODING = "UTF-8";
    
    private String encoding;

    public void init(FilterConfig config) throws ServletException {
        encoding = config.getInitParameter(CharsetFilter.REQUEST_ENCODING);
        if (encoding == null) {
            encoding = CharsetFilter.DEFAULT_ENCODING;
        }
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain next) throws IOException,
            ServletException {
        request.setCharacterEncoding(encoding);
        next.doFilter(request, response);
    }

    public void destroy() {
    }
}