changes to script executor and init

src/main/java/stirling/software/SPDF/utils/PDFToFile.java

@@ -20,6 +20,8 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.multipart.MultipartFile;
 
+import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
+
 public class PDFToFile {
     public ResponseEntity<byte[]> processPdfToOfficeFormat(MultipartFile inputFile, String outputFormat, String libreOfficeFilter) throws IOException, InterruptedException {
 
@@ -53,7 +55,7 @@ public class PDFToFile {
             // Run the LibreOffice command
             List<String> command = new ArrayList<>(
                     Arrays.asList("soffice", "--infilter=" + libreOfficeFilter, "--convert-to", outputFormat, "--outdir", tempOutputDir.toString(), tempInputFile.toString()));
-            int returnCode = ProcessExecutor.getInstance(ProcessExecutor.Processes.LIBRE_OFFICE).runCommandWithOutputHandling(command);
+            ProcessExecutorResult returnCode = ProcessExecutor.getInstance(ProcessExecutor.Processes.LIBRE_OFFICE).runCommandWithOutputHandling(command);
 
             // Get output files
             List<File> outputFiles = Arrays.asList(tempOutputDir.toFile().listFiles());

src/main/java/stirling/software/SPDF/utils/ProcessExecutor.java

@@ -37,11 +37,12 @@ public class ProcessExecutor {
     private ProcessExecutor(int semaphoreLimit) {
         this.semaphore = new Semaphore(semaphoreLimit);
     }
-    public int runCommandWithOutputHandling(List<String> command) throws IOException, InterruptedException {
+    public ProcessExecutorResult runCommandWithOutputHandling(List<String> command) throws IOException, InterruptedException {
     	return runCommandWithOutputHandling(command, null);
     }
-    public int runCommandWithOutputHandling(List<String> command, File workingDirectory) throws IOException, InterruptedException {
+    public ProcessExecutorResult runCommandWithOutputHandling(List<String> command, File workingDirectory) throws IOException, InterruptedException {
         int exitCode = 1;
+        String messages = "";
         semaphore.acquire();
         try {
 
@@ -89,14 +90,16 @@ public class ProcessExecutor {
             // Wait for the reader threads to finish
             errorReaderThread.join();
             outputReaderThread.join();
-
+           
             if (outputLines.size() > 0) {
                 String outputMessage = String.join("\n", outputLines);
+                messages += outputMessage;
                 System.out.println("Command output:\n" + outputMessage);
             }
 
             if (errorLines.size() > 0) {
                 String errorMessage = String.join("\n", errorLines);
+                messages += errorMessage;
                 System.out.println("Command error output:\n" + errorMessage);
                 if (exitCode != 0) {
                     throw new IOException("Command process failed with exit code " + exitCode + ". Error message: " + errorMessage);
@@ -105,7 +108,28 @@ public class ProcessExecutor {
         } finally {
             semaphore.release();
         }
-        return exitCode;
+        return new ProcessExecutorResult(exitCode, messages);
+    }
+    public class ProcessExecutorResult{
+    	int rc;
+    	String messages;
+    	public ProcessExecutorResult(int rc, String messages) {
+    		this.rc = rc;
+    		this.messages = messages;
+    	}
+		public int getRc() {
+			return rc;
+		}
+		public void setRc(int rc) {
+			this.rc = rc;
+		}
+		public String getMessages() {
+			return messages;
+		}
+		public void setMessages(String messages) {
+			this.messages = messages;
+		}
+    	
+    	
     }
-
 }