Refactoring VnfApiProvider part 1

Move VnfInstanceTopologyOperationInput validation from vnfInstanceTopologyOperation
to seperate method.

Change-Id: I56e3999a92323c745f6d0aa8b4417b9e7acb277a
Issue-ID: SDNC-268
Signed-off-by: pawel.kadlubanski <pawel.kadlubanski@nokia.com>

2 files changed, 41 insertions, 27 deletions

diff --git a/vnfapi/provider/src/main/java/org/onap/sdnc/vnfapi/VnfApiProvider.java b/vnfapi/provider/src/main/java/org/onap/sdnc/vnfapi/VnfApiProvider.java
index 1031cfad..42d02419 100644
--- a/vnfapi/provider/src/main/java/org/onap/sdnc/vnfapi/VnfApiProvider.java
+++ b/vnfapi/provider/src/main/java/org/onap/sdnc/vnfapi/VnfApiProvider.java
@@ -949,6 +949,26 @@ public class VnfApiProvider implements AutoCloseable, VNFAPIService, DataChangeL
     }
 
     //1610 vnf-instance-topology-operation
+
+    private Boolean validateVnfInstanceTopologyOperationInput(VnfInstanceTopologyOperationInput input) {
+        return input != null
+                && input.getVnfInstanceRequestInformation() != null
+                && input.getVnfInstanceRequestInformation().getVnfInstanceId() != null
+                && input.getVnfInstanceRequestInformation().getVnfInstanceId().length() != 0;
+    }
+
+    private Future<RpcResult<VnfInstanceTopologyOperationOutput>> buildVnfInstanceTopologyOperationOutputWithtError(
+            String responseCode, String responseMessage, String ackFinalIndicator) {
+        VnfInstanceTopologyOperationOutputBuilder responseBuilder = new VnfInstanceTopologyOperationOutputBuilder();
+        responseBuilder.setResponseCode(responseCode);
+        responseBuilder.setResponseMessage(responseMessage);
+        responseBuilder.setAckFinalIndicator(ackFinalIndicator);
+        return Futures.immediateFuture(RpcResultBuilder
+                .<VnfInstanceTopologyOperationOutput>status(true)
+                .withResult(responseBuilder.build())
+                .build());
+    }
+
     @Override
     public Future<RpcResult<VnfInstanceTopologyOperationOutput>> vnfInstanceTopologyOperation(
         VnfInstanceTopologyOperationInput input) {
@@ -962,18 +982,11 @@ public class VnfApiProvider implements AutoCloseable, VNFAPIService, DataChangeL
         // create a new response object
         VnfInstanceTopologyOperationOutputBuilder responseBuilder = new VnfInstanceTopologyOperationOutputBuilder();
 
-        if (input == null || input.getVnfInstanceRequestInformation() == null
-            || input.getVnfInstanceRequestInformation().getVnfInstanceId() == null) {
+        if (!validateVnfInstanceTopologyOperationInput(input)) {
             log.debug(EXITING_STR + svcOperation + " because of " + INVALID_INPUT_VNF_INSTANCE_STR);
-            responseBuilder.setResponseCode("403");
-            responseBuilder.setResponseMessage(INVALID_INPUT_VNF_INSTANCE_STR);
-            responseBuilder.setAckFinalIndicator("Y");
-            RpcResult<VnfInstanceTopologyOperationOutput> rpcResult = RpcResultBuilder
-                .<VnfInstanceTopologyOperationOutput>status(true)
-                .withResult(responseBuilder.build())
-                .build();
-            // return error
-            return Futures.immediateFuture(rpcResult);
+            return buildVnfInstanceTopologyOperationOutputWithtError("403",
+                    INVALID_INPUT_VNF_INSTANCE_STR,
+                    "Y" );
         }
 
         // Grab the service instance ID from the input buffer
@@ -981,20 +994,6 @@ public class VnfApiProvider implements AutoCloseable, VNFAPIService, DataChangeL
         String preloadName = input.getVnfInstanceRequestInformation().getVnfInstanceName();
         String preloadType = input.getVnfInstanceRequestInformation().getVnfModelId();
 
-        // Make sure we have a valid viid
-        if (viid == null || viid.length() == 0) {
-            log.debug(EXITING_STR + svcOperation + " because of invalid vnf-instance-id");
-            responseBuilder.setResponseCode("403");
-            responseBuilder.setResponseMessage(INVALID_INPUT_VNF_INSTANCE_STR);
-            responseBuilder.setAckFinalIndicator("Y");
-            RpcResult<VnfInstanceTopologyOperationOutput> rpcResult = RpcResultBuilder
-                .<VnfInstanceTopologyOperationOutput>status(true)
-                .withResult(responseBuilder.build())
-                .build();
-            // return error
-            return Futures.immediateFuture(rpcResult);
-        }
-
         if (input.getSdncRequestHeader() != null) {
             responseBuilder.setSvcRequestId(input.getSdncRequestHeader().getSvcRequestId());
             setRequestIdAsMDC(input.getSdncRequestHeader().getSvcRequestId());
diff --git a/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/VnfApiProviderTest.java b/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/VnfApiProviderTest.java
index 7a0d5185..72c244d5 100644
--- a/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/VnfApiProviderTest.java
+++ b/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/VnfApiProviderTest.java
@@ -41,7 +41,6 @@ import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.VnfInstanceTop
 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.VnfInstanceTopologyOperationInputBuilder;
 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.instance.request.information.VnfInstanceRequestInformation;
 import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.instance.request.information.VnfInstanceRequestInformationBuilder;
-
 import java.util.concurrent.Future;
 
 
@@ -123,6 +122,22 @@ public class VnfApiProviderTest extends AbstractConcurrentDataBrokerTest {
         checkVnfInstanceTopologyOperationOutput(result);
     }
 
+    @Test
+    public void vnfInstanceTopologyOperationInput_VnfInstanceRequestInformationVnfInstanceIdIsZero() throws Exception {
+        VnfInstanceTopologyOperationInputBuilder builder = new VnfInstanceTopologyOperationInputBuilder();
+        builder.setVnfInstanceRequestInformation(new VnfInstanceRequestInformationBuilder()
+                .setVnfInstanceId("")
+                .build());
+
+        VnfInstanceTopologyOperationInput input = builder.build();
+        VnfInstanceTopologyOperationOutput result = vnfapiProvider
+                .vnfInstanceTopologyOperation(input)
+                .get()
+                .getResult();
+
+        checkVnfInstanceTopologyOperationOutput(result);
+    }
+
     private void checkVnfInstanceTopologyOperationOutput(VnfInstanceTopologyOperationOutput result) {
         String expectedResponseCode = "403";
         String expectedResponseMessage = "invalid input, null or empty vnf-instance-id";
@@ -132,4 +147,4 @@ public class VnfApiProviderTest extends AbstractConcurrentDataBrokerTest {
         Assert.assertEquals(result.getResponseMessage(), expectedResponseMessage);
         Assert.assertEquals(result.getAckFinalIndicator(), expectedAckFinalIndicator);
     }
- }
+ }
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