Sonar: code clean up for functest

Misc code smell fixes.

Change-Id: I7645d008667e34c6244783717cf1731477ffc6c3
Issue-ID: VNFSDK-320
Signed-off-by: Kailun Qin <kailun.qin@intel.com>

12 files changed, 45 insertions, 49 deletions

diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/FileUtil.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/FileUtil.java
index ad3049c..9e657f3 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/FileUtil.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/FileUtil.java
@@ -23,6 +23,7 @@ import java.io.*;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.List;
+import java.util.Objects;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -49,9 +50,7 @@ public final class FileUtil {
         int tryCount = 0;
         while (tryCount < TRY_COUNT) {
             tryCount++;
-            if (!folder.exists() && !folder.mkdirs()) {
-                continue;
-            } else {
+            if (folder.exists() || folder.mkdirs()) {
                 return true;
             }
         }
@@ -92,7 +91,7 @@ public final class FileUtil {
      */
     public static List<String> unzip(String zipFileName, String extPlace) throws IOException {
 
-        ArrayList<String> unzipFileNams = new ArrayList<String>();
+        ArrayList<String> unzipFileNams = new ArrayList<>();
 
         try (ZipFile zipFile = new ZipFile(zipFileName)) {
             Enumeration<?> fileEn = zipFile.entries();
@@ -132,12 +131,7 @@ public final class FileUtil {
 
     public static String[] getDirectory(String directory) {
         File file = new File(directory);
-        return file.list(new FilenameFilter() {
-
-            public boolean accept(File current, String name) {
-                return new File(current, name).isDirectory();
-            }
-        });
+        return file.list((current, name) -> new File(current, name).isDirectory());
     }
 
     public static Boolean checkFileExist(String filePath) {
@@ -175,18 +169,19 @@ public final class FileUtil {
      * <br/>
      *
      * @param directory
+     * @return boolean
      * @since VNFSDK 2.0
      */
-    public static void deleteDirectory(String directory) {
+    public static boolean deleteDirectory(String directory) {
         File file = new File(directory);
         if (!file.exists()) {
-            return;
+            return false;
         }
         if (file.isDirectory()) {
-            for (File sub : file.listFiles()) {
+            for (File sub : Objects.requireNonNull(file.listFiles())) {
                 deleteFile(sub);
             }
         }
-        file.delete();
+        return file.delete();
     }
 }
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/TaskExecution.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/TaskExecution.java
index 344e458..b27b3b3 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/TaskExecution.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/TaskExecution.java
@@ -68,19 +68,20 @@ public class TaskExecution {
         mapValues.put(ApplicationConstants.DIR_RESULT, dirResult);
 
         String remoteScriptFile = remoteScriptDir + "/" + mapValues.get("MAIN_SCRIPT");
-        String remoteArgs = "--argumentfile " + remoteScriptDir + "/" + "config.args ";
+        String remoteArgs = "--argumentfile " + remoteScriptDir + "/" + ApplicationConstants.CONFIG_ARGS;
         String remoteCommand =
                 ApplicationConstants.ROBOT_SPACE + "-d " + remoteScriptResult + remoteArgs + remoteScriptFile;
         mapValues.put("REMOTE_COMMAND", "\"" + remoteCommand + "\"");
 
-        String robotvariables = "";
+        StringBuilder robotvariablesBuilder = new StringBuilder();
         for (Entry<String, String> values : mapValues.entrySet()) {
 
-            robotvariables = robotvariables + " -v " + values.getKey() + ":" + values.getValue() + " ";
+            robotvariablesBuilder.append(" -v ").append(values.getKey()).append(":").append(values.getValue()).append(" ");
         }
+        String robotvariables = robotvariablesBuilder.toString();
 
         // Execute the command
-        String argumentFilePath = confDir + "config.args ";
+        String argumentFilePath = confDir + ApplicationConstants.CONFIG_ARGS;
         String robotScript = confDir + "RemoteConnection.robot";
 
         Process process = null;
@@ -144,7 +145,7 @@ public class TaskExecution {
             LOGGER.error("Function Test Environment details are empty, EnvID = {}", envId);
         }
 
-        String remoteConfigArgs = remoteDir + "/" + "config.args ";
+        String remoteConfigArgs = remoteDir + "/" + ApplicationConstants.CONFIG_ARGS;
         String remoteScriptFile = remoteDir + "/" + mapValues.get("MAIN_SCRIPT");
         String remoteScriptResult = remoteDir + "/" + "output ";
         String dirResult = mapValues.get(ApplicationConstants.DIR_RESULT) + executeId;
@@ -217,11 +218,12 @@ public class TaskExecution {
         // Form the variables for the upload, transfer and execute command
         mapValues.put("SCRIPT_DIR", dirPath);
 
-        String robotvariables = "";
+        StringBuilder robotvariablesBuilder = new StringBuilder();
         for (Entry<String, String> values : mapValues.entrySet()) {
 
-            robotvariables = robotvariables + " -v " + values.getKey() + ":" + values.getValue() + " ";
+            robotvariablesBuilder.append(" -v ").append(values.getKey()).append(":").append(values.getValue()).append(" ");
         }
+        String robotvariables = robotvariablesBuilder.toString();
 
         // Append the Func test environment variables
         Environment functestEnv = EnvironmentMap.getInstance().getEnv(uuidEnv);
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/constants/ApplicationConstants.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/constants/ApplicationConstants.java
index 630db46..2d0110c 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/constants/ApplicationConstants.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/constants/ApplicationConstants.java
@@ -56,6 +56,14 @@ public class ApplicationConstants {
 
     public static final String CATALOG_URI = "file:///C:/RobotScript/RobotScript.zip";
 
+    public static final String TASK_NOT_EXIST = "Task Not Exist.";
+
+    public static final String CREATED = "CREATED";
+
+    public static final String NOT_CREATED = "NOT CREATED";
+
+    public static final String CONFIG_ARGS = "config.args ";
+
     private ApplicationConstants() {
     }
 
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/EnvironmentMap.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/EnvironmentMap.java
index c9584e2..8a5d8d5 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/EnvironmentMap.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/EnvironmentMap.java
@@ -22,7 +22,7 @@ import java.util.UUID;
 
 public class EnvironmentMap {
 
-    private static Map<UUID, Environment> envMap = new HashMap<UUID, Environment>();
+    private static Map<UUID, Environment> envMap = new HashMap<>();
 
     private static EnvironmentMap oInstance = new EnvironmentMap();
 
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatus.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatus.java
index 3bab7d0..4a2ae56 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatus.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatus.java
@@ -22,7 +22,6 @@ public class OperationStatus {
     private boolean operFinished = false;
     private String operResultMessage;
 
-    ;
 
     public operResultCode getoResultCode() {
         return oResultCode;
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatusHandler.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatusHandler.java
index af511be..c577bd1 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatusHandler.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/OperationStatusHandler.java
@@ -29,7 +29,7 @@ public class OperationStatusHandler {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(OperationStatusHandler.class);
 
-    private static Map<UUID, OperationStatus> operStatusMap = new HashMap<UUID, OperationStatus>();
+    private static Map<UUID, OperationStatus> operStatusMap = new HashMap<>();
 
     private static OperationStatusHandler oInstance = new OperationStatusHandler();
 
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/ServiceRegisterEntity.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/ServiceRegisterEntity.java
index 1cf0585..d9947a5 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/ServiceRegisterEntity.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/externalservice/entity/ServiceRegisterEntity.java
@@ -40,7 +40,7 @@ public class ServiceRegisterEntity {
 
     private String visualRange;
 
-    private List<ServiceNode> nodes = new ArrayList<ServiceNode>();
+    private List<ServiceNode> nodes = new ArrayList<>();
 
     public String getServiceName() {
         return serviceName;
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultMap.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultMap.java
index 4f73db1..f17e751 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultMap.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultMap.java
@@ -16,9 +16,6 @@
 
 package org.onap.vnfsdk.functest.responsehandler;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -26,9 +23,7 @@ import java.util.UUID;
 
 public class TestResultMap {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(TestResultMap.class);
-
-    private static Map<UUID, List<TestResult>> testResultMap = new HashMap<UUID, List<TestResult>>();
+    private static Map<UUID, List<TestResult>> resultMap = new HashMap<>();
 
     private static TestResultMap oInstance = new TestResultMap();
 
@@ -41,11 +36,11 @@ public class TestResultMap {
     }
 
     public synchronized Map<UUID, List<TestResult>> getTestResultMap() {
-        return testResultMap;
+        return resultMap;
     }
 
     public synchronized void setTestResultMap(UUID uuid, List<TestResult> inputTestResult) {
-        testResultMap.put(uuid, inputTestResult);
+        resultMap.put(uuid, inputTestResult);
     }
 
 }
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultParser.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultParser.java
index feeb2ee..5fe1134 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultParser.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/responsehandler/TestResultParser.java
@@ -98,11 +98,9 @@ public class TestResultParser {
                                 continue;
                             }
 
-                            if (DOCTAG == descNode.getNodeName()) {
-                                if (null != descNode.getTextContent()) {
-                                    descriptionAttr = descNode.getTextContent();
-                                    break;
-                                }
+                            if (DOCTAG == descNode.getNodeName() && null != descNode.getTextContent()) {
+                                descriptionAttr = descNode.getTextContent();
+                                break;
                             }
                         }
                     }
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/scriptmgr/ScriptManager.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/scriptmgr/ScriptManager.java
index 534bb20..39266da 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/scriptmgr/ScriptManager.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/scriptmgr/ScriptManager.java
@@ -131,7 +131,7 @@ public class ScriptManager {
 
             // Unzip the folder
             String tempDir = System.getProperty("user.dir") + nl + "temp";
-            List<String> list = FileUtil.unzip(filePath, tempDir);
+
             LOGGER.info("File path={}", filePath);
 
             String[] directories = FileUtil.getDirectory(tempDir);
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/taskmgr/TaskManager.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/taskmgr/TaskManager.java
index fc5e36c..883f22d 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/taskmgr/TaskManager.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/taskmgr/TaskManager.java
@@ -82,7 +82,7 @@ public class TaskManager {
 
         try {
             if (taskMgrTaskTblDAO.findByPackageID(packageID).isPresent()) {
-                throw new Exception("Already Onboard.");
+                throw new IllegalArgumentException("Already Onboard.");
             } else {
                 initOnboardTesting(taskRecord, caseRecord, packageID);
                 scriptManager.uploadFuncTestPackage(UUID.fromString(taskRecord.getTaskID()), UUID.fromString(taskRecord.getEnvID()), ApplicationConstants.CATALOG_URI);
@@ -117,7 +117,7 @@ public class TaskManager {
 
             List<TaskRecord> taskRecordList = taskMgrTaskTblDAO.findByTaskID(taskID);
             if (taskRecordList.isEmpty()) {
-                throw new Exception("Task Not Exist.");
+                throw new IllegalArgumentException(ApplicationConstants.TASK_NOT_EXIST);
             } else {
 
                 TaskRecord taskRecord = taskRecordList.get(0);
@@ -171,10 +171,10 @@ public class TaskManager {
         try {
             CaseRecord caseRecord = taskMgrCaseTblDAO.findByTaskID(taskID);
             if (null == caseRecord) {
-                throw new Exception("Task Not Exist.");
+                throw new IllegalArgumentException(ApplicationConstants.TASK_NOT_EXIST);
             } else {
                 /* To check whether we have already collected the result of Task: taskID. */
-                if ("NOT CREATED".equals(caseRecord.getTestID())) {
+                if (ApplicationConstants.NOT_CREATED.equals(caseRecord.getTestID())) {
                     return scriptManager.downloadResults(UUID.fromString(taskID));
                 } else {
                     CaseRecord oldCaseRecord = new CaseRecord();
@@ -185,7 +185,7 @@ public class TaskManager {
                 }
             }
         } catch (Exception e) {
-            if ("Task Not Exist.".equals(e.getMessage())) {
+            if (ApplicationConstants.TASK_NOT_EXIST.equals(e.getMessage())) {
                 LOGGER.error("The Task " + taskID + " does not exist..!", e);
                 return RestResponseUtil.getNotFoundResponse(taskID);
             } else {
@@ -204,10 +204,10 @@ public class TaskManager {
         // Setup the environment
         final UUID envID = scriptManager.setEnvironment(loadEnvConfigurations());
         taskRecord.setEnvID(envID.toString());
-        taskRecord.setUploadID("NOT CREATED");
-        taskRecord.setOperID("NOT CREATED");
+        taskRecord.setUploadID(ApplicationConstants.NOT_CREATED);
+        taskRecord.setOperID(ApplicationConstants.NOT_CREATED);
         taskRecord.setFuncID("");
-        taskRecord.setStatus("CREATED");
+        taskRecord.setStatus(ApplicationConstants.CREATED);
         taskRecord.setOperFinished("False");
         taskRecord.setOperResult("FAILURE");
         taskRecord.setOperResultMessage("");
@@ -216,7 +216,7 @@ public class TaskManager {
         /* Create CaseRecord entry in db */
         caseRecord.setTaskID(taskID.toString());
         caseRecord.setFuncID("");
-        caseRecord.setTestID("NOT CREATED");
+        caseRecord.setTestID(ApplicationConstants.NOT_CREATED);
         caseRecord.setTestResult("NULL");
         caseRecord.setTestDescription("");
         taskMgrCaseTblDAO.saveOrUpdate(caseRecord);
diff --git a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/util/ZipCompressor.java b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/util/ZipCompressor.java
index 6f866b8..a7107bd 100644
--- a/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/util/ZipCompressor.java
+++ b/vnf-sdk-function-test/src/main/java/org/onap/vnfsdk/functest/util/ZipCompressor.java
@@ -93,7 +93,6 @@ public class ZipCompressor {
             while ((count = bis.read(data, 0, BUFFER)) != -1) {
                 out.write(data, 0, count);
             }
-            bis.close();
         } catch (IOException e) {
             LOG.info("Exception wile compress file" + file.getAbsolutePath(), e);
         }