Add test code to meet the goal of test coverage.

Issue-ID: USECASEUI-643
Change-Id: Ie8b04e2d89f85c7a9b1ef5a7358b2a6da49f726a
Signed-off-by: hekeguang <hekeguang@chinamobile.com>

6 files changed, 203 insertions, 6 deletions

diff --git a/server/src/main/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImpl.java b/server/src/main/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImpl.java
index 5a1fa7a3..af861ef6 100644
--- a/server/src/main/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImpl.java
+++ b/server/src/main/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImpl.java
@@ -69,7 +69,7 @@ public class TaskMgtServiceImpl implements TaskMgtService {
     private static final Logger logger = LoggerFactory.getLogger(TaskMgtServiceImpl.class);
 
     @Resource(name = "TaskMgtConvertService")
-    private TaskMgtServiceConvert taskMgtServiceConvert;
+    protected TaskMgtServiceConvert taskMgtServiceConvert;
 
     private SOSliceService soSliceService;
 
diff --git a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceConvertTest.java b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceConvertTest.java
index aea0cbbb..8dc8e834 100644
--- a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceConvertTest.java
+++ b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceConvertTest.java
@@ -38,12 +38,14 @@ import org.onap.usecaseui.server.bean.nsmf.resource.NsiServiceInstanceList;
 import org.onap.usecaseui.server.bean.nsmf.resource.NssiServiceInstanceList;
 import org.onap.usecaseui.server.bean.nsmf.resource.SlicingBusinessDetails;
 import org.onap.usecaseui.server.bean.nsmf.resource.SlicingBusinessList;
+import org.onap.usecaseui.server.bean.nsmf.task.BusinessDemandInfo;
 import org.onap.usecaseui.server.bean.nsmf.task.NstInfo;
 import org.onap.usecaseui.server.constant.nsmf.NsmfParamConstant;
 import org.onap.usecaseui.server.service.slicingdomain.aai.AAISliceService;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.AAIService;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.AAIServiceAndInstance;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.AAIServiceNST;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.AAIServiceProfiles;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.AAIServiceRsp;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.Relationship;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.RelationshipData;
@@ -125,6 +127,22 @@ public class ResourceMgtServiceConvertTest {
     @Test
     public void itCanGetNstInfoByBusiness() {
         JSONObject object = new JSONObject();
+        object.put("relationship-list", "jsonTest");
+        object.put("workload-context", "jsonTest");
+        JSONObject object1 = new JSONObject();
+        JSONObject object2 = new JSONObject();
+        JSONObject object3 = new JSONObject();
+
+        JSONArray jsonArrayrelationship_data = new JSONArray();
+        jsonArrayrelationship_data.add(object3);
+        object2.put("relationship-data", jsonArrayrelationship_data);
+
+        JSONArray jsonArray = new JSONArray();
+        jsonArray.add(object2);
+
+        object1.put("relationship", jsonArray);
+        object.put("relationship-list", object1);
+
         NstInfo nstInfo = new NstInfo();
         String nsiId = "1234-ty23-rt56-oiu9";
 
@@ -217,6 +235,21 @@ public class ResourceMgtServiceConvertTest {
     }
 
     @Test
+    public void itConvertServiceProfilesToBusinessDemandInfo() {
+        BusinessDemandInfo businessDemandInfo = new BusinessDemandInfo();
+        AAIServiceProfiles aaiServiceProfiles = new AAIServiceProfiles();
+        try {
+            resourceMgtServiceConvert.convertServiceProfilesToBusinessDemandInfo(businessDemandInfo, aaiServiceProfiles);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+
+    @Test
     public void itCanConvertHostedNsiList() {
         NsiServiceInstanceList nsiServiceInstanceList = new NsiServiceInstanceList();
         AAIServiceRsp aAIServiceRsp = new AAIServiceRsp();
diff --git a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceImplTest.java b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceImplTest.java
index c5cfb76b..2c80dc4a 100644
--- a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceImplTest.java
+++ b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMgtServiceImplTest.java
@@ -41,10 +41,12 @@ import org.onap.usecaseui.server.service.lcm.domain.aai.bean.AAIServiceSubscript
 import org.onap.usecaseui.server.service.lcm.domain.aai.bean.ServiceSubscriptionRsp;
 import org.onap.usecaseui.server.service.lcm.impl.DefaultCustomerService;
 import org.onap.usecaseui.server.service.slicingdomain.aai.AAISliceService;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.NetworkInfo;
 import org.onap.usecaseui.server.service.slicingdomain.so.SOSliceService;
 import org.onap.usecaseui.server.service.slicingdomain.so.bean.ActivateService;
 import org.onap.usecaseui.server.service.slicingdomain.so.bean.SOOperation;
 import retrofit2.Call;
+import retrofit2.Response;
 
 public class ResourceMgtServiceImplTest {
 
@@ -138,6 +140,11 @@ public class ResourceMgtServiceImplTest {
         when(aaiSliceService
             .listServiceById(NsmfParamConstant.CUSTOM_5G, NsmfParamConstant.SERVICE_TYPE_5G, businessId))
             .thenReturn(successfulCall(object));
+        NetworkInfo networkInfo = new NetworkInfo();
+        when(aaiSliceService
+            .getServiceNetworkInstance(businessId))
+            .thenReturn(successfulCall(networkInfo));
+
         resourceMgtService.querySlicingBusinessDetails(businessId);
     }
 
diff --git a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMonitorServiceConvertTest.java b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMonitorServiceConvertTest.java
index ab8eb990..13869751 100644
--- a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMonitorServiceConvertTest.java
+++ b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/ResourceMonitorServiceConvertTest.java
@@ -24,6 +24,7 @@ import org.junit.Test;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceInfo;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceOnlineUserInfo;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceTotalBandwidthInfo;
+import org.onap.usecaseui.server.bean.nsmf.monitor.SlicingKpiReqInfo;
 import org.onap.usecaseui.server.bean.nsmf.monitor.TrafficReqInfo;
 import org.onap.usecaseui.server.bean.nsmf.monitor.UsageTrafficInfo;
 import org.onap.usecaseui.server.service.slicingdomain.kpi.bean.KpiTotalBandwidth;
@@ -85,6 +86,13 @@ public class ResourceMonitorServiceConvertTest {
         userNumbers.setUserNumber(1);
         userNumbers.setTimeStamp("2019-12-23 11:31:19");
         userNumbersList.add(userNumbers);
+
+        SlicingKpiReqInfo slicingKpiReqInfo = new SlicingKpiReqInfo();
+        slicingKpiReqInfo.setTimeStamp("2019-12-23 11:31:19");
+        slicingKpiReqInfo.setId("112233");
+        slicingKpiReqInfo.setHours(4);
+        kpiUserNumber.setRequest(slicingKpiReqInfo);
+
         kpiUserNumber.setResult(userNumbersList);
 
         try {
@@ -110,6 +118,13 @@ public class ResourceMonitorServiceConvertTest {
         totalBandwidthList.add(totalBandwidth);
         kpiTotalBandwidth.setResult(totalBandwidthList);
 
+
+        SlicingKpiReqInfo slicingKpiReqInfo = new SlicingKpiReqInfo();
+        slicingKpiReqInfo.setTimeStamp("2019-12-23 11:31:19");
+        slicingKpiReqInfo.setId("112233");
+        slicingKpiReqInfo.setHours(4);
+        kpiTotalBandwidth.setRequest(slicingKpiReqInfo);
+
         try {
             resourceMonitorServiceConvert
                 .convertServiceTotalBandwidthInfo(serviceTotalBandwidthInfo, kpiTotalBandwidth);
diff --git a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceConvertTest.java b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceConvertTest.java
index 55b38bf7..225dcce4 100644
--- a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceConvertTest.java
+++ b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceConvertTest.java
@@ -16,11 +16,16 @@
 package org.onap.usecaseui.server.service.nsmf.impl;
 
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.onap.usecaseui.server.service.nsmf.impl.TaskMgtServiceImplTest.readJsonFile;
+import static org.onap.usecaseui.server.util.CallStub.failedCall;
+import static org.onap.usecaseui.server.util.CallStub.successfulCall;
 
 import com.alibaba.fastjson.JSONObject;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Properties;
 import org.junit.Before;
 import org.junit.Test;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceInfo;
@@ -32,6 +37,9 @@ import org.onap.usecaseui.server.bean.nsmf.task.SlicingTaskCreationInfo;
 import org.onap.usecaseui.server.bean.nsmf.task.SlicingTaskCreationProgress;
 import org.onap.usecaseui.server.bean.nsmf.task.SlicingTaskList;
 import org.onap.usecaseui.server.service.slicingdomain.aai.AAISliceService;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.ConnectionLink;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.ConnectionLinkList;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.RelationshipList;
 import org.onap.usecaseui.server.service.slicingdomain.so.SOSliceService;
 import org.onap.usecaseui.server.service.slicingdomain.so.bean.AnSliceTaskInfo;
 import org.onap.usecaseui.server.service.slicingdomain.so.bean.CnSliceTaskInfo;
@@ -68,8 +76,10 @@ public class TaskMgtServiceConvertTest {
         SOTask soTask = new SOTask();
         SliceTaskParams sliceTaskParams = new SliceTaskParams();
         ServiceProfile serviceProfile = new ServiceProfile();
+        serviceProfile.setSNSSAI("111222");
         sliceTaskParams.setServiceProfile(serviceProfile);
         soTask.setSliceTaskParams(sliceTaskParams);
+        soTask.setParams(getParams());
         task.add(soTask);
         soTaskRsp.setTask(task);
 
@@ -82,6 +92,29 @@ public class TaskMgtServiceConvertTest {
         }
     }
 
+    String getParams(){
+        Properties properties = System.getProperties();
+        String relativelyPath = properties.getProperty("user.dir");
+        String jsonFilePath = relativelyPath+"/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/json/params.json";
+        String params = readJsonFile(jsonFilePath);
+        return params;
+    }
+
+    @Test
+    public void convertSlicingTaskListWithThrowsException() {
+        when(aaiSliceService.getConnectionLinks()).thenReturn(failedCall("so is not exist!"));
+        SlicingTaskList targetSlicingTaskList = new SlicingTaskList();
+        SOTaskRsp soTaskRsp = new SOTaskRsp();
+        soTaskRsp.setTask(null);
+        try {
+            taskMgtServiceConvert.convertSlicingTaskList(targetSlicingTaskList, soTaskRsp, 1, 100);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
     @Test
     public void itCanConvertTaskAuditInfo() {
         SlicingTaskAuditInfo targetSlicingTaskAuditInfo = new SlicingTaskAuditInfo();
@@ -100,6 +133,7 @@ public class TaskMgtServiceConvertTest {
         sliceTaskParams.setCnSliceTaskInfo(cnSliceTaskInfo);
         sliceTaskParams.setServiceProfile(serviceProfile);
         sliceTaskParams.setSuggestNsiName("123");
+        sourceSoTaskInfo.setParams(getParams());
         sourceSoTaskInfo.setSliceTaskParams(sliceTaskParams);
 
         taskMgtServiceConvert.convertTaskAuditInfo(targetSlicingTaskAuditInfo, sourceSoTaskInfo);
@@ -179,6 +213,8 @@ public class TaskMgtServiceConvertTest {
         nsiAndSubNssiInfo.setAn5qi("er4");
         nsiAndSubNssiInfo.setAnScriptName("scriptTest");
         sourceSlicingTaskAuditInfoSuc.setNsiAndSubNssiInfo(nsiAndSubNssiInfo);
+
+        targetSoTaskInfo.setParams(getParams());
         taskMgtServiceConvert.convertTaskAuditToSoTask(targetSoTaskInfo, sourceSlicingTaskAuditInfoSuc);
     }
 
@@ -211,6 +247,7 @@ public class TaskMgtServiceConvertTest {
         sliceTaskParams.setCnSliceTaskInfo(cnSliceTaskInfo);
         sliceTaskParams.setServiceProfile(serviceProfile);
         sourceSoTaskInfo.setSliceTaskParams(sliceTaskParams);
+        sourceSoTaskInfo.setParams(getParams());
         taskMgtServiceConvert.convertTaskCreationInfo(slicingTaskCreationInfo, sourceSoTaskInfo);
     }
 
@@ -229,8 +266,31 @@ public class TaskMgtServiceConvertTest {
         sliceTaskParams.setAnSliceTaskInfo(anSliceTaskInfo);
         sliceTaskParams.setTnBHSliceTaskInfo(tnBHSliceTaskInfo);
         sliceTaskParams.setCnSliceTaskInfo(cnSliceTaskInfo);
-        soTask.setSliceTaskParams(sliceTaskParams);
+        soTaskSuc.setSliceTaskParams(sliceTaskParams);
+        soTaskSuc.setParams(getParams());
         taskMgtServiceConvert.convertTaskCreationProgress(slicingTaskCreationProgress, soTaskSuc);
     }
 
+    @Test
+    public void itCanQueryEndPointId() {
+        ConnectionLinkList connectionLinkList = new ConnectionLinkList();
+        List<ConnectionLink> logicalLink = new ArrayList<>();
+        ConnectionLink connectionLink = new ConnectionLink();
+        connectionLink.setLinkName("name1");
+        connectionLink.setLinkName2("name2");
+        connectionLink.setLinkId("123");
+        RelationshipList relationshipList = new RelationshipList();
+        connectionLink.setRelationshipList(relationshipList);
+        logicalLink.add(connectionLink);
+        connectionLinkList.setLogicalLink(logicalLink);
+
+        when(aaiSliceService.getConnectionLinks()).thenReturn(successfulCall(connectionLinkList));
+        taskMgtServiceConvert.queryEndPointId("123");
+    }
+
+    @Test
+    public void queryEndPointIdWithThrowsException() {
+        when(aaiSliceService.getConnectionLinks()).thenReturn(failedCall("so is not exist!"));
+        taskMgtServiceConvert.queryEndPointId("123");
+    }
 }
diff --git a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImplTest.java b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImplTest.java
index abf90755..137392e7 100644
--- a/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImplTest.java
+++ b/server/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/TaskMgtServiceImplTest.java
@@ -20,38 +20,56 @@ import static org.mockito.Mockito.when;
 import static org.onap.usecaseui.server.util.CallStub.failedCall;
 import static org.onap.usecaseui.server.util.CallStub.successfulCall;
 
+import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONArray;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Properties;
 import javax.annotation.Nullable;
 import okhttp3.MediaType;
 import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
 import okio.BufferedSink;
+import okio.BufferedSource;
+import org.apache.commons.io.FileUtils;
 import org.junit.Before;
 import org.junit.Test;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceInfo;
 import org.onap.usecaseui.server.bean.nsmf.monitor.ServiceList;
 import org.onap.usecaseui.server.bean.nsmf.task.SlicingTaskAuditInfo;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.ConnectionLink;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.EndPointInfoList;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.Relationship;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.RelationshipData;
+import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.RelationshipList;
 import org.onap.usecaseui.server.service.slicingdomain.kpi.KpiSliceService;
 import org.onap.usecaseui.server.service.slicingdomain.kpi.bean.KpiTotalTraffic;
 import org.onap.usecaseui.server.service.slicingdomain.so.SOSliceService;
 import org.onap.usecaseui.server.service.slicingdomain.so.bean.SOTask;
 import org.onap.usecaseui.server.service.slicingdomain.aai.AAISliceService;
 import org.onap.usecaseui.server.service.slicingdomain.aai.bean.connection.ConnectionLinkList;
+import retrofit2.Response;
 
 public class TaskMgtServiceImplTest {
 
     TaskMgtServiceImpl taskMgtService = null;
     SOSliceService soSliceService = null;
     AAISliceService aaiSliceService = null;
+    TaskMgtServiceConvert taskMgtServiceConvert = null;
 
     @Before
     public void before() throws Exception {
         soSliceService = mock(SOSliceService.class);
         aaiSliceService = mock(AAISliceService.class);
         taskMgtService = new TaskMgtServiceImpl(soSliceService,aaiSliceService);
+        taskMgtServiceConvert = mock(TaskMgtServiceConvert.class);
+        taskMgtService.taskMgtServiceConvert = taskMgtServiceConvert;
     }
 
     @Test
@@ -101,7 +119,14 @@ public class TaskMgtServiceImplTest {
     public void itCanUpdateTaskAuditInfo() {
         SlicingTaskAuditInfo slicingTaskAuditInfo = new SlicingTaskAuditInfo();
         String taskId = "we23-3456-rte4-er43";
-        RequestBody requestBody = new RequestBody() {
+        slicingTaskAuditInfo.setTaskId(taskId);
+
+        Properties properties = System.getProperties();
+        String relativelyPath = properties.getProperty("user.dir");
+        String jsonFilePath = relativelyPath+"/src/test/java/org/onap/usecaseui/server/service/nsmf/impl/json/params.json";
+        String params = readJsonFile(jsonFilePath);
+
+        ResponseBody responseBody = new ResponseBody() {
             @Nullable
             @Override
             public MediaType contentType() {
@@ -109,13 +134,22 @@ public class TaskMgtServiceImplTest {
             }
 
             @Override
-            public void writeTo(BufferedSink bufferedSink) throws IOException {
+            public long contentLength() {
+                return 0;
+            }
 
+            @Override
+            public BufferedSource source() {
+                return null;
             }
         };
-
-        ResponseBody responseBody = null;
+        SOTask soTask = new SOTask();
+        soTask.setParams(params);
+        String jsonstr = JSON.toJSONString(soTask);
+        RequestBody requestBody = RequestBody.create(MediaType.parse("application/json"), jsonstr);
+        when(soSliceService.getTaskById(taskId)).thenReturn(successfulCall(soTask));
         when(soSliceService.updateService(taskId, requestBody)).thenReturn(successfulCall(responseBody));
+
         taskMgtService.updateTaskAuditInfo(slicingTaskAuditInfo);
     }
 
@@ -181,9 +215,57 @@ public class TaskMgtServiceImplTest {
     public void itCanqueryConnectionLinks() {
         String taskId = "we23-345r-45ty-5687";
         ConnectionLinkList connectionLinkList = new ConnectionLinkList();
+        List<ConnectionLink> connectionLinks = new ArrayList<>();
+        ConnectionLink connectionLink = new ConnectionLink();
+        connectionLink.setLinkType("TsciConnectionLink");
+        connectionLink.setLinkId(taskId);
+        connectionLink.setLinkName2("name2");
+        connectionLink.setLinkName("name1");
+        RelationshipList relationshipList = new RelationshipList();
+        List<Relationship> relationships = new ArrayList<>();
+        Relationship relationship1 = new Relationship();
+        List<RelationshipData> relationshipDataList = new ArrayList<>();
+        relationship1.setRelationshipDataList(relationshipDataList);
+        relationships.add(relationship1);
+        relationshipList.setRelationship(relationships);
+
+        connectionLink.setRelationshipList(relationshipList);
+        connectionLink.setServiceFunction("servicefunction");
+        connectionLink.setResourceVersion("resouceversion");
+        connectionLinks.add(connectionLink);
+        connectionLinkList.setLogicalLink(connectionLinks);
+        String name1 = "name1";
+        String name2 = "name2";
+        EndPointInfoList endPointInfoList = new EndPointInfoList();
+
         when(aaiSliceService.getConnectionLinks()).thenReturn(successfulCall(connectionLinkList));
+        when(aaiSliceService.getEndpointByLinkName(name1)).thenReturn(successfulCall(endPointInfoList));
+        when(aaiSliceService.getEndpointByLinkName2(name2)).thenReturn(successfulCall(endPointInfoList));
+        when(aaiSliceService.getAllottedResource(taskId, taskId)).thenReturn(successfulCall(connectionLink));
+
         taskMgtService.queryConnectionLinks(3,5);
     }
 
+    //read json file
+    public static String readJsonFile(String fileName) {
+        String jsonStr = "";
+        try {
+            File jsonFile = new File(fileName);
+            FileReader fileReader = new FileReader(jsonFile);
+            Reader reader = new InputStreamReader(new FileInputStream(jsonFile),"utf-8");
+            int ch = 0;
+            StringBuffer sb = new StringBuffer();
+            while ((ch = reader.read()) != -1) {
+                sb.append((char) ch);
+            }
+            fileReader.close();
+            reader.close();
+            jsonStr = sb.toString();
+            return jsonStr;
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
 
 }