продолжение рефакторинга и проверка на занятость файлов

src/TestingSystem/DVM/UserConnection.java

@@ -2,6 +2,7 @@ package TestingSystem.DVM;
 import Common.CommonConstants;
 import Common.Utils.CommonUtils;
 import Common_old.Constants;
+import Common_old.UI.UI;
 import _VisualDVM.Global;
 import Common_old.Utils.Utils;
 import GlobalData.Machine.Machine;
@@ -194,6 +195,7 @@ public class UserConnection {
         try {
             sftpChannel.lstat(file_full_name);
             return true;
+
         } catch (SftpException e) {
             if (e.id == ChannelSftp.SSH_FX_NO_SUCH_FILE) {
                 // file doesn't exist
@@ -204,6 +206,24 @@ public class UserConnection {
             }
         }
     }
+    public boolean Busy(String file_full_name) throws Exception {
+        try {
+            sftpChannel.lstat(file_full_name);
+            return true;
+
+        } catch (SftpException e) {
+            if (e.id == ChannelSftp.SSH_FX_PERMISSION_DENIED) {
+                // file busy
+                return false;
+            } else {
+                // something else went wrong
+                throw e;
+            }
+        }
+    }
+    public boolean Busy(RemoteFile file) throws Exception {
+        return Busy(file.full_name);
+    }
     public boolean Exists(RemoteFile file) throws Exception {
         return Exists(file.full_name);
     }
@@ -466,6 +486,12 @@ public class UserConnection {
             Utils.sleep(1000);
         }
     }
+    public void waitForFileFree(RemoteFile file) throws Exception {
+        while (!Busy(file)) {
+            System.out.println(file.full_name + " PERMISSION DENIED");
+            Utils.sleep(1000);
+        }
+    }
     public String startShellProcess(RemoteFile directory, String outFileName, String... commands) throws Exception {
         Vector<String> commands_ = new Vector<>();
         commands_.add("cd " + CommonUtils.DQuotes(directory.full_name));
@@ -488,6 +514,7 @@ public class UserConnection {
         ShellConnect();
         pin.write(("nohup " + start_command + " &\r\n").getBytes());
         waitForFileCreation(outFile);
+        waitForFileFree(outFile);
         ShellDisconnect();
         return readFromFile(outFile).replace("\n", "").replace("\r", "");
     }