/*
* Copyright 2013 JBoss Inc
*
* 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.overlord.rtgov.ui.server.filters;
import java.io.IOException;
import java.util.Locale;
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.overlord.rtgov.ui.server.i18n.AbstractMessages;
/**
* A filter used to configure the i18n system to obey any inbound locale information. In
* other words, this filter is used to pull the locale info from an inbound http request and
* place it in the {@link AbstractMessages}'s locale thread local variable.
* @author eric.wittmann@redhat.com
*/
public class LocaleFilter implements Filter {
/**
* Constructor.
*/
public LocaleFilter() {
}
/**
* @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
*/
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
/**
* @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
*/
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
Locale locale = request.getLocale();
AbstractMessages.setLocale(locale);
chain.doFilter(request, response);
AbstractMessages.clearLocale();
}
/**
* @see javax.servlet.Filter#destroy()
*/
@Override
public void destroy() {
}
}