UIThreadMarker.java

/*
 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     Nuxeo
 */
package org.nuxeo.elasticsearch.web.sync;

import static org.jboss.seam.ScopeType.APPLICATION;

import java.io.IOException;

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

import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.intercept.BypassInterceptors;
import org.jboss.seam.annotations.web.Filter;
import org.jboss.seam.web.AbstractFilter;
import org.nuxeo.elasticsearch.listener.ElasticSearchInlineListener;

@Scope(APPLICATION)
@Filter(within = "org.jboss.seam.web.ajax4jsfFilter")
@BypassInterceptors
@Name("UIThreadMarker")
public class UIThreadMarker extends AbstractFilter {

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
            ServletException {
        ElasticSearchInlineListener.useSyncIndexing.set(true);
        try {
            chain.doFilter(request, response);
        } finally {
            ElasticSearchInlineListener.useSyncIndexing.set(false);
        }
    }

}