Replaced use of Computers to workspace.toComputer()

Author: Nikhil Bhoski

src/main/java/com/mathworks/ci/MatlabBuild.java

@@ -33,7 +33,7 @@ default ProcStarter getProcessToRunMatlabCommand(FilePath workspace, Launcher la
             TaskListener listener, EnvVars envVars, String matlabCommand, String uniqueName)
             throws IOException, InterruptedException {
         // Get node specific tmp directory to copy matlab runner script
-        String tmpDir = getNodeSpecificTmpFolderPath();
+        String tmpDir = getNodeSpecificTmpFolderPath(workspace);
         FilePath targetWorkspace = new FilePath(launcher.getChannel(), tmpDir);
         ProcStarter matlabLauncher;
         if (launcher.isUnix()) {
@@ -70,9 +70,12 @@ default void copyFileInWorkspace(String sourceFile, String targetFile, FilePath
         targetFilePath.chmod(0755);
     }
 
-    default FilePath getFilePathForUniqueFolder(Launcher launcher, String uniqueName)
+    default FilePath getFilePathForUniqueFolder(Launcher launcher, String uniqueName,FilePath workspace)
             throws IOException, InterruptedException {
-        Computer cmp = Computer.currentComputer();
+        /*Use of Computer is not recommended as jenkins hygeine for pipeline support
+         * https://javadoc.jenkins-ci.org/jenkins/tasks/SimpleBuildStep.html */
+        
+        Computer cmp = workspace.toComputer();
         String tmpDir = (String) cmp.getSystemProperties().get("java.io.tmpdir");
         if (launcher.isUnix()) {
             tmpDir = tmpDir + "/" + uniqueName;
@@ -82,8 +85,8 @@ default FilePath getFilePathForUniqueFolder(Launcher launcher, String uniqueName
         return new FilePath(launcher.getChannel(), tmpDir);
     }
 
-    default String getNodeSpecificTmpFolderPath() throws IOException, InterruptedException {
-        Computer cmp = Computer.currentComputer();
+    default String getNodeSpecificTmpFolderPath(FilePath workspace) throws IOException, InterruptedException {
+        Computer cmp = workspace.toComputer();
         String tmpDir = (String) cmp.getSystemProperties().get("java.io.tmpdir");
         return tmpDir;
     }

src/main/java/com/mathworks/ci/RunMatlabCommandBuilder.java

@@ -122,7 +122,8 @@ private synchronized int execMatlabCommand(FilePath workspace, Launcher launcher
             return 1;
         } finally {
             // Cleanup the runner File from tmp directory
-            FilePath matlabRunnerScript = getFilePathForUniqueFolder(launcher, uniqueTmpFldrName);
+            FilePath matlabRunnerScript =
+                    getFilePathForUniqueFolder(launcher, uniqueTmpFldrName, workspace);
             if (matlabRunnerScript.exists()) {
                 matlabRunnerScript.deleteRecursive();
             }

src/main/java/com/mathworks/ci/RunMatlabTestsBuilder.java

@@ -299,12 +299,12 @@ private synchronized int execMatlabCommand(FilePath workspace, Launcher launcher
             return 1;
         } finally {
             // Cleanup the runner File from tmp directory
-            FilePath matlabRunnerScript = getFilePathForUniqueFolder(launcher, uniqueTmpFldrName);
+            FilePath matlabRunnerScript =
+                    getFilePathForUniqueFolder(launcher, uniqueTmpFldrName, workspace);
             if (matlabRunnerScript.exists()) {
                 matlabRunnerScript.deleteRecursive();
             }
         }
-
     }
 
     public String constructCommandForTest(String inputArguments) {