2 * Copyright (C) 2015 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jcoreee.filter.servlet.utf8;
19 import java.io.IOException;
20 import java.text.MessageFormat;
21 import javax.servlet.Filter;
22 import javax.servlet.FilterChain;
23 import javax.servlet.ServletException;
24 import javax.servlet.ServletRequest;
25 import javax.servlet.ServletResponse;
26 import org.mxchange.jcoreee.filter.servlet.BaseServletFilter;
29 * A HTTP filter for setting UTF-8 character encoding.
31 * @author Roland Haeder
33 public class Utf8ServletFilter extends BaseServletFilter implements Filter {
35 * Filter to set UTF-8 encoding
37 * @param request ServletRequest instance
38 * @param response ServletResponse instance
39 * @param chain FilterChain instance
41 * @throws ServletException
44 public void doFilter (final ServletRequest request, final ServletResponse response, final FilterChain chain) throws IOException, ServletException {
46 this.getLogger().logTrace(MessageFormat.format("request={0},response={1},chain={2} - CALLED!", request, response, chain)); //NOI18N
49 chain.doFilter(request, response);
51 // Set response/request both to UTF-8
52 request.setCharacterEncoding("UTF-8"); //NOI18N
53 response.setCharacterEncoding("UTF-8"); //NOI18N
56 this.getLogger().logTrace("EXIT!"); //NOI18N