dmaap host and port configuration for pnf feature

Change-Id: I4d13dce0b8819aa3d1e9848b9a39a43456dc1f30
Issue-ID: SO-466
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>

2 files changed, 88 insertions, 20 deletions

diff --git a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/JsonUtilForCorrelationId.java b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/JsonUtilForCorrelationId.java
new file mode 100644
index 0000000000..2853899ae2
--- /dev/null
+++ b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/JsonUtilForCorrelationId.java
@@ -0,0 +1,71 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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=========================================================
+ */
+
+package org.openecomp.mso.bpmn.infrastructure.pnf.dmaap;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.Spliterator;
+
+final class JsonUtilForCorrelationId {
+
+    private static final String JSON_HEADER = "pnfRegistrationFields";
+    private static final String JSON_CORRELATION_ID_FIELD_NAME = "correlationId";
+
+    static List<String> parseJsonToGelAllCorrelationId(String json) {
+        List<String> list = new ArrayList<>();
+        JsonElement je = new JsonParser().parse(json);
+        if (je.isJsonObject()) {
+            getCorrelationIdFromJsonObject(je.getAsJsonObject()).ifPresent(corr -> list.add(corr));
+        } else {
+            JsonArray array = je.getAsJsonArray();
+            Spliterator<JsonElement> spliterator = array.spliterator();
+            spliterator.forEachRemaining(jsonElement -> {
+                parseJsonElementToJsonObject(jsonElement)
+                        .ifPresent(jsonObject -> getCorrelationIdFromJsonObject(jsonObject)
+                                .ifPresent(correlationId -> list.add(correlationId)));
+            });
+        }
+        return list;
+    }
+
+    private static Optional<JsonObject> parseJsonElementToJsonObject(JsonElement jsonElement) {
+        if (jsonElement.isJsonObject()) {
+            return Optional.ofNullable(jsonElement.getAsJsonObject());
+        }
+        return Optional.ofNullable(new JsonParser().parse(jsonElement.getAsString()).getAsJsonObject());
+    }
+
+    private static Optional<String> getCorrelationIdFromJsonObject(JsonObject jsonObject) {
+        if (jsonObject.has(JSON_HEADER)) {
+            JsonObject jo = jsonObject.getAsJsonObject(JSON_HEADER);
+            if (jo.has(JSON_CORRELATION_ID_FIELD_NAME)) {
+                return Optional.ofNullable(jo.get(JSON_CORRELATION_ID_FIELD_NAME).getAsString());
+            }
+        }
+        return Optional.empty();
+    }
+
+}
diff --git a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/PnfEventReadyDmaapClient.java b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/PnfEventReadyDmaapClient.java
index 830574bad4..2c7309def4 100644
--- a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/PnfEventReadyDmaapClient.java
+++ b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/pnf/dmaap/PnfEventReadyDmaapClient.java
@@ -22,8 +22,9 @@ package org.openecomp.mso.bpmn.infrastructure.pnf.dmaap;
 
 import java.io.IOException;
 import java.net.URI;
+import java.util.Collections;
+import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -34,14 +35,14 @@ import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.HttpClientBuilder;
 import org.apache.http.util.EntityUtils;
-import org.openecomp.mso.jsonpath.JsonPathUtil;
+import org.openecomp.mso.bpmn.core.PropertyConfiguration;
 import org.openecomp.mso.logger.MsoLogger;
+import org.openecomp.mso.logger.MsoLogger.Catalog;
 
 public class PnfEventReadyDmaapClient implements DmaapClient {
 
-    private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
+    private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(Catalog.GENERAL);
 
-    private static final String JSON_PATH_CORRELATION_ID = "$.pnfRegistrationFields.correlationId";
     private HttpClient httpClient;
     private String dmaapHost;
     private int dmaapPort;
@@ -56,18 +57,20 @@ public class PnfEventReadyDmaapClient implements DmaapClient {
     private int dmaapClientDelayInSeconds;
     private volatile boolean dmaapThreadListenerIsRunning;
 
-    public PnfEventReadyDmaapClient() {
+    public void init() {
         httpClient = HttpClientBuilder.create().build();
         pnfCorrelationIdToThreadMap = new ConcurrentHashMap<>();
+        dmaapHost = PropertyConfiguration.getInstance().getProperties(PropertyConfiguration.MSO_BPMN_URN_PROPERTIES)
+                .get("dmaapHost");
+        dmaapPort = Integer.parseInt(PropertyConfiguration.getInstance()
+                .getProperties(PropertyConfiguration.MSO_BPMN_URN_PROPERTIES).get("dmaapPort"));
         executor = null;
-    }
-
-    public void init() {
         getRequest = new HttpGet(buildURI());
     }
 
     @Override
     public synchronized void registerForUpdate(String correlationId, Runnable informConsumer) {
+        LOGGER.debug("registering for pnf ready dmaap event for correlation id: " + correlationId);
         pnfCorrelationIdToThreadMap.put(correlationId, informConsumer);
         if (!dmaapThreadListenerIsRunning) {
             startDmaapThreadListener();
@@ -76,6 +79,7 @@ public class PnfEventReadyDmaapClient implements DmaapClient {
 
     @Override
     public synchronized Runnable unregister(String correlationId) {
+        LOGGER.debug("unregistering from pnf ready dmaap event for correlation id: " + correlationId);
         Runnable runnable = pnfCorrelationIdToThreadMap.remove(correlationId);
         if (pnfCorrelationIdToThreadMap.isEmpty()) {
             stopDmaapThreadListener();
@@ -108,14 +112,6 @@ public class PnfEventReadyDmaapClient implements DmaapClient {
                 .path(consumerGroup).path(consumerId).build();
     }
 
-    public void setDmaapHost(String dmaapHost) {
-        this.dmaapHost = dmaapHost;
-    }
-
-    public void setDmaapPort(int dmaapPort) {
-        this.dmaapPort = dmaapPort;
-    }
-
     public void setDmaapProtocol(String dmaapProtocol) {
         this.dmaapProtocol = dmaapProtocol;
     }
@@ -146,25 +142,26 @@ public class PnfEventReadyDmaapClient implements DmaapClient {
         public void run() {
             try {
                 HttpResponse response = httpClient.execute(getRequest);
-                getCorrelationIdFromResponse(response).ifPresent(this::informAboutPnfReadyIfCorrelationIdFound);
+                getCorrelationIdListFromResponse(response).forEach(this::informAboutPnfReadyIfCorrelationIdFound);
             } catch (IOException e) {
                 LOGGER.error("Exception caught during sending rest request to dmaap for listening event topic", e);
             }
         }
 
-        private Optional<String> getCorrelationIdFromResponse(HttpResponse response) throws IOException {
+        private List<String> getCorrelationIdListFromResponse(HttpResponse response) throws IOException {
             if (response.getStatusLine().getStatusCode() == 200) {
                 String responseString = EntityUtils.toString(response.getEntity(), "UTF-8");
                 if (responseString != null) {
-                    return JsonPathUtil.getInstance().locateResult(responseString, JSON_PATH_CORRELATION_ID);
+                    return JsonUtilForCorrelationId.parseJsonToGelAllCorrelationId(responseString);
                 }
             }
-            return Optional.empty();
+            return Collections.emptyList();
         }
 
         private synchronized void informAboutPnfReadyIfCorrelationIdFound(String correlationId) {
             Runnable runnable = unregister(correlationId);
             if (runnable != null) {
+                LOGGER.debug("pnf ready event got from dmaap for correlationId: " + correlationId);
                 runnable.run();
             }
         }