Fix for Json parser

Change-Id: I322b893356a41ee27dfb14d9ef9dfcdd129e8ced
Issue-ID: DCAEGEN2-451
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>

3 files changed, 28 insertions, 22 deletions

diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParser.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParser.java
index 0ef7e4fe..04956f8d 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParser.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParser.java
@@ -26,6 +26,8 @@ import org.onap.dcaegen2.services.prh.exceptions.DmaapNotFoundException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
 import org.onap.dcaegen2.services.prh.model.ImmutableConsumerDmaapModel;
 
+import java.util.stream.StreamSupport;
+
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 5/8/18
  */
@@ -42,9 +44,16 @@ public class DmaapConsumerJsonParser {
     private DmaapConsumerJsonParser() {
     }
 
+
     public static ConsumerDmaapModel getJsonObject(String message) throws DmaapNotFoundException {
         JsonElement jsonElement = new JsonParser().parse(message);
-        JsonObject jsonObject = jsonElement.getAsJsonObject();
+        JsonObject jsonObject;
+
+        jsonObject = jsonElement.isJsonObject() ? jsonElement.getAsJsonObject() :
+                StreamSupport.stream(jsonElement.getAsJsonArray().spliterator(), false).findFirst()
+                    .orElseThrow(() -> new DmaapNotFoundException("Json object not found in json array"))
+                        .getAsJsonObject();
+
         return create(jsonObject);
     }
 
@@ -64,14 +73,11 @@ public class DmaapConsumerJsonParser {
             }
             throw new DmaapNotFoundException("IPV4 and IPV6 are empty");
         }
-        throw new DmaapNotFoundException("Incorrect JsonObject");
+        throw new DmaapNotFoundException("Incorrect JsonObject - missing header");
     }
 
     private static String getValueFromJson(JsonObject jsonObject, String jsonKey) {
-        if (jsonObject.has(jsonKey)) {
-            return jsonObject.get(jsonKey).getAsString();
-        }
-        return "";
+        return jsonObject.has(jsonKey) ? jsonObject.get(jsonKey).getAsString() : "";
     }
 
     private static boolean isVendorAndSerialNotEmpty(String pnfSerialNumber, String pnfVendorName) {
diff --git a/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParserTest.java b/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParserTest.java
index a0970374..067a528d 100644
--- a/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParserTest.java
+++ b/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/service/DmaapConsumerJsonParserTest.java
@@ -31,14 +31,14 @@ import org.onap.dcaegen2.services.prh.model.ImmutableConsumerDmaapModel;
 class DmaapConsumerJsonParserTest {
 
     private String incorrectMessage =
-        "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\""
+        "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\""
             + ",\"eventName\":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
             + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\",\"priority\""
             + ":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":\"<<SerialNumber>>\","
-            + "\"sourceName\":\"5GRAN_DU\",\"startEpochMicrosec\":1519837825682,\"version\":3}}}";
+            + "\"sourceName\":\"5GRAN_DU\",\"startEpochMicrosec\":1519837825682,\"version\":3}}}]";
 
     private String jsonWithoutPnfVendorAndSerialNumber =
-        "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":"
+        "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":"
             + "\"<<SerialNumber>>-reg\",\"eventName\":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\""
             + "internalHeaderFields\":{},\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\""
             + ":\"5DU\",\"priority\":\"Normal\",reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":\""
@@ -46,23 +46,23 @@ class DmaapConsumerJsonParserTest {
             + "\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\":1517206400,"
             + "\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfOamIpv4Address\":"
             + "\"10.16.123.234\",\"pnfOamIpv6Address\":\"0:0:0:0:0:FFFF:0A10:7BEA\",\"pnfSoftwareVersion\":\"v4.5.0.1\","
-            + "\"pnfType\":\"AirScale\"}}}";
+            + "\"pnfType\":\"AirScale\"}}}]";
 
     private String jsonWithoutIPInformation =
-        "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\":"
+        "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\":"
             + "\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},\"lastEpochMicrosec\""
             + ":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\",\"priority\":\"Normal\","
             + "\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":\"<<SerialNumber>>\",\"sourceName\":"
             + "\"5GRAN_DU\",\"startEpochMicrosec\":1519837825682,\"version\":3},\"otherFields\":{\"otherFieldsVersion\":1,"
             + "\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\":1517206400,\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":"
             + "\"AJ02\",\"pnfSerialNumber\":\"QTFCOC540002E\",\"pnfSoftwareVersion\":\"v4.5.0.1\",\"pnfType\":\"AirScale\","
-            + "\"pnfVendorName\":\"Nokia\"}}}";
+            + "\"pnfVendorName\":\"Nokia\"}}}]";
 
     @Test
     public void whenPassingCorrectJson_validationNotThrowingAnException() throws DmaapNotFoundException {
         //given
         String message =
-            "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
+            "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
                 + ":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
                 + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\","
                 + "\"priority\":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":"
@@ -70,7 +70,7 @@ class DmaapConsumerJsonParserTest {
                 + "\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\":1517206400,"
                 + "\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfOamIpv4Address\":\"10.16.123.234\","
                 + "\"pnfOamIpv6Address\":\"0:0:0:0:0:FFFF:0A10:7BEA\",\"pnfSerialNumber\":\"QTFCOC540002E\","
-                + "\"pnfSoftwareVersion\":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}";
+                + "\"pnfSoftwareVersion\":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}]";
 
         ConsumerDmaapModel expectedObject = ImmutableConsumerDmaapModel.builder().ipv4("10.16.123.234")
             .ipv6("0:0:0:0:0:FFFF:0A10:7BEA")
@@ -87,7 +87,7 @@ class DmaapConsumerJsonParserTest {
     public void whenPassingCorrectJsonWihoutIPV4_validationNotThrowingAnException() throws DmaapNotFoundException {
         //given
         String message =
-            "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
+            "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
                 + ":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
                 + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\","
                 + "\"priority\":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":"
@@ -95,7 +95,7 @@ class DmaapConsumerJsonParserTest {
                 + ",\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\":1517206400,"
                 + "\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfOamIpv6Address\":"
                 + "\"0:0:0:0:0:FFFF:0A10:7BEA\",\"pnfSerialNumber\":\"QTFCOC540002E\",\"pnfSoftwareVersion\""
-                + ":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}";
+                + ":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}]";
 
         ConsumerDmaapModel expectedObject = ImmutableConsumerDmaapModel.builder().ipv4("")
             .ipv6("0:0:0:0:0:FFFF:0A10:7BEA")
@@ -111,7 +111,7 @@ class DmaapConsumerJsonParserTest {
     public void whenPassingCorrectJsonWihoutIPV6_validationNotThrowingAnException() throws DmaapNotFoundException {
         //given
         String message =
-            "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
+            "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
                 + ":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
                 + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\","
                 + "\"priority\":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":"
@@ -119,7 +119,7 @@ class DmaapConsumerJsonParserTest {
                 + "\"version\":3},\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate"
                 + "\":1517206400,\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfOamIpv4Address"
                 + "\":\"10.16.123.234\",\"pnfSerialNumber\":\"QTFCOC540002E\",\"pnfSoftwareVersion\":\"v4.5.0.1\","
-                + "\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}";
+                + "\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}]";
 
         ConsumerDmaapModel expectedObject = ImmutableConsumerDmaapModel.builder().ipv4("10.16.123.234").ipv6("")
             .pnfName("NOKQTFCOC540002E").build();
@@ -133,14 +133,14 @@ class DmaapConsumerJsonParserTest {
     @Test
     public void whenPassingCorrectJsonWihoutIPV4andIPV6_validationThrowingAnException() {
         String message =
-            "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
+            "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
                 + ":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
                 + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\","
                 + "\"priority\":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":"
                 + "\"<<SerialNumber>>\",\"sourceName\":\"5GRAN_DU\",\"startEpochMicrosec\":1519837825682,\"version\""
                 + ":3},\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\""
                 + ":1517206400,\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfSoftwareVersion\":"
-                + "\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}";
+                + "\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}]";
 
         Assertions.assertThrows(DmaapNotFoundException.class, () -> {
             DmaapConsumerJsonParser.getJsonObject(message);
diff --git a/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/tasks/DmaapConsumerTaskImplTest.java b/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/tasks/DmaapConsumerTaskImplTest.java
index 373fc28a..7e15e51e 100644
--- a/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/tasks/DmaapConsumerTaskImplTest.java
+++ b/prh-app-server/src/test/java/org/onap/dcaegen2/services/prh/tasks/DmaapConsumerTaskImplTest.java
@@ -64,7 +64,7 @@ class DmaapConsumerTaskImplTest {
             .pnfName("NOKQTFCOC540002E").build();
         appConfig = mock(AppConfig.class);
         message =
-            "{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
+            "[{\"event\":{\"commonEventHeader\":{\"domain\":\"other\",\"eventId\":\"<<SerialNumber>>-reg\",\"eventName\""
                 + ":\"pnfRegistration_5GDU\",\"eventType\":\"pnfRegistration\",\"internalHeaderFields\":{},"
                 + "\"lastEpochMicrosec\":1519837825682,\"nfNamingCode\":\"5GRAN\",\"nfcNamingCode\":\"5DU\","
                 + "\"priority\":\"Normal\",\"reportingEntityName\":\"5GRAN_DU\",\"sequence\":0,\"sourceId\":"
@@ -72,7 +72,7 @@ class DmaapConsumerTaskImplTest {
                 + "\"otherFields\":{\"otherFieldsVersion\":1,\"pnfFamily\":\"BBU\",\"pnfLastServiceDate\":1517206400,"
                 + "\"pnfManufactureDate\":1516406400,\"pnfModelNumber\":\"AJ02\",\"pnfOamIpv4Address\":\"10.16.123.234\","
                 + "\"pnfOamIpv6Address\":\"0:0:0:0:0:FFFF:0A10:7BEA\",\"pnfSerialNumber\":\"QTFCOC540002E\","
-                + "\"pnfSoftwareVersion\":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}";
+                + "\"pnfSoftwareVersion\":\"v4.5.0.1\",\"pnfType\":\"AirScale\",\"pnfVendorName\":\"Nokia\"}}}]";
     }
 
     @Test