001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.nuxeo.ecm.platform.web.common.requestcontroller.filter;
017
018import java.io.IOException;
019
020import javax.servlet.FilterChain;
021import javax.servlet.FilterConfig;
022import javax.servlet.ServletException;
023import javax.servlet.ServletRequest;
024import javax.servlet.ServletResponse;
025
026import org.nuxeo.runtime.trackers.concurrent.ThreadEvent;
027
028public class NuxeoThreadTrackerFilter implements javax.servlet.Filter {
029
030    @Override
031    public void init(FilterConfig filterConfig) throws ServletException {
032    }
033
034    @Override
035    public void destroy() {
036    }
037
038    @Override
039    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
040            ServletException {
041        ThreadEvent.onEnter(this, false).send();
042        try {
043            chain.doFilter(request, response);
044        } finally {
045            ThreadEvent.onLeave(this).send();
046        }
047    }
048
049}