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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.openecomp.sparky.synchronizer.filter;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
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.openecomp.cl.api.Logger;
import org.openecomp.cl.eelf.LoggerFactory;
import org.openecomp.sparky.config.oxm.OxmModelLoader;
import org.openecomp.sparky.logging.AaiUiMsgs;
import org.openecomp.sparky.synchronizer.SyncHelper;
import org.openecomp.sparky.util.NodeUtils;
import org.openecomp.cl.mdc.MdcContext;
/*
* This is a wire-frame for an experiment to get the jetty filter-lifecyle initialization method to
* setup a scheduled thread executor with an ElasticSearchSynchronization task, which (I'm hoping)
* will allow us to do periodic ES <=> AAI synchronization.
*
* Alternatively, if the embedded java approach doesn't work we could try instead to do a
* System.exec( "perl refreshElasticSearchInstance.pl"). We have two options, I'm hoping the
* embedded options will work for us.
*/
/**
* The Class ElasticSearchSynchronizerFilter.
*/
public class ElasticSearchSynchronizerFilter implements Filter {
private static final Logger LOG = LoggerFactory.getInstance().getLogger(ElasticSearchSynchronizerFilter.class);
private SyncHelper syncHelper;
/* (non-Javadoc)
* @see javax.servlet.Filter#destroy()
*/
@Override
public void destroy() {
if (syncHelper != null) {
syncHelper.shutdown();
}
}
/* (non-Javadoc)
* @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 {
/*
* However, we will setup the filtermap with a url that should never get it, so we shouldn't
* ever be in here.
*/
chain.doFilter(request, response);
}
/* (non-Javadoc)
* @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
*/
@Override
public void init(FilterConfig filterConfig) throws ServletException {
String txnID = NodeUtils.getRandomTxnId();
MdcContext.initialize(txnID, "ElasticSearchSynchronizerFilter", "", "Init", "");
LOG.debug(AaiUiMsgs.DEBUG_GENERIC, "init()");
try {
new SyncHelper(OxmModelLoader.getInstance());
} catch (Exception exc) {
throw new ServletException("Caught an exception while initializing filter", exc);
}
}
}
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