1 files changed, 111 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sparky/synchronizer/filter/ElasticSearchSynchronizerFilter.java b/src/main/java/org/openecomp/sparky/synchronizer/filter/ElasticSearchSynchronizerFilter.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/org/openecomp/sparky/synchronizer/filter/ElasticSearchSynchronizerFilter.java
@@ -0,0 +1,111 @@
+/**
+ * ============LICENSE_START===================================================
+ * SPARKY (AAI UI service)
+ * ============================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ============================================================================
+ * 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 and OpenECOMP are trademarks
+ * and service marks 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);
+    }
+
+  }
+
+}