Java tutorial
/********************************************************************************* * The contents of this file are subject to the Common Public Attribution * License Version 1.0 (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.openemm.org/cpal1.html. The License is based on the Mozilla * Public License Version 1.1 but Sections 14 and 15 have been added to cover * use of software over a computer network and provide for limited attribution * for the Original Developer. In addition, Exhibit A has been modified to be * consistent with Exhibit B. * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * * The Original Code is OpenEMM. * The Original Developer is the Initial Developer. * The Initial Developer of the Original Code is AGNITAS AG. All portions of * the code written by AGNITAS AG are Copyright (c) 2007 AGNITAS AG. All Rights * Reserved. * * Contributor(s): AGNITAS AG. ********************************************************************************/ package org.agnitas.web.filter; 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; import org.apache.commons.lang.StringUtils; public class CharacterEncodingFilter implements Filter { private String encoding = "UTF-8"; /** * destroys this filter */ public void destroy() { } /** * executes this filter */ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws ServletException, IOException { request.setCharacterEncoding(encoding); response.setCharacterEncoding(encoding); chain.doFilter(request, response); response.setCharacterEncoding(encoding); } /** * initializes this filter */ public void init(FilterConfig config) throws ServletException { String encodingParam = config.getInitParameter("encoding"); if (StringUtils.isNotEmpty(encodingParam)) { this.encoding = encodingParam; } } }