/**
  * Validates public and private ports. And also makes changes corresponding to the debug endpoint.
  *
  * @param oldEndptName : old name of the endpoint.
  * @return retVal : false if any error occurs.
  * @throws WindowsAzureInvalidProjectOperationException
  */
 private boolean validatePorts(String oldEndptName)
     throws WindowsAzureInvalidProjectOperationException {
   boolean retVal = true;
   WindowsAzureEndpointType oldType = waEndpt.getEndPointType();
   WindowsAzureEndpoint debugEndpt = windowsAzureRole.getDebuggingEndpoint();
   WindowsAzureEndpoint stickyEndpt = windowsAzureRole.getSessionAffinityInputEndpoint();
   WindowsAzureEndpoint stickyIntEndpt = windowsAzureRole.getSessionAffinityInternalEndpoint();
   String stcEndptName = "";
   String dbgEndptName = "";
   String stcIntEndptName = "";
   if (debugEndpt != null) {
     // get the debugging endpoint name
     dbgEndptName = debugEndpt.getName();
   }
   if (stickyEndpt != null) {
     stcEndptName = stickyEndpt.getName();
     stcIntEndptName = stickyIntEndpt.getName();
   }
   // validate ports
   boolean isValidendpoint =
       windowsAzureRole.isValidEndpoint(
           oldEndptName,
           WindowsAzureEndpointType.valueOf(comboType.getText()),
           txtPrivatePort.getText(),
           txtPublicPort.getText());
   if (isValidendpoint) {
     if (oldEndptName.equalsIgnoreCase(dbgEndptName)) {
       retVal = handleChangeForDebugEndpt(oldType);
     }
     if (oldEndptName.equalsIgnoreCase(stcEndptName)) {
       retVal = handleChangeForStickyEndpt(oldType);
     }
     if (oldEndptName.equalsIgnoreCase(stcIntEndptName)) {
       retVal = handleChangeForStickyEndpt(oldType);
     }
     if (retVal) {
       // set the new values in the endpoint object.
       waEndpt.setEndPointType(WindowsAzureEndpointType.valueOf(comboType.getText()));
       waEndpt.setName(txtName.getText());
       if (comboType.getText().equalsIgnoreCase(WindowsAzureEndpointType.Input.toString())
           || comboType
               .getText()
               .equalsIgnoreCase(WindowsAzureEndpointType.InstanceInput.toString())) {
         waEndpt.setPort(txtPublicPort.getText());
       }
       waEndpt.setPrivatePort(txtPrivatePort.getText());
     }
   } else {
     errorTitle = Messages.dlgInvldPort;
     errorMessage = Messages.dlgPortInUse;
     MessageUtil.displayErrorDialog(this.getShell(), errorTitle, errorMessage);
     retVal = false;
   }
   return retVal;
 }
 /**
  * Disables the debugging if debug endpoint's type is changed to 'Internal', and if private port
  * is modified then assigns the new debugging port by setting the modified endpoint as a debugging
  * endpoint.
  *
  * @param oldType : old type of the endpoint.
  * @return retVal : false if any error occurs.
  * @throws WindowsAzureInvalidProjectOperationException
  */
 private boolean handleChangeForDebugEndpt(WindowsAzureEndpointType oldType)
     throws WindowsAzureInvalidProjectOperationException {
   boolean retVal = true;
   if (oldType.equals(WindowsAzureEndpointType.Input)
       && comboType.getText().equalsIgnoreCase(WindowsAzureEndpointType.Internal.toString())) {
     StringBuffer msg = new StringBuffer(Messages.dlgEPDel);
     msg.append(Messages.dlgEPChangeType);
     msg.append(Messages.dlgEPDel2);
     boolean choice =
         MessageDialog.openQuestion(new Shell(), Messages.dlgTypeTitle, msg.toString());
     if (choice) {
       waEndpt.setEndPointType(WindowsAzureEndpointType.valueOf(comboType.getText()));
       windowsAzureRole.setDebuggingEndpoint(null);
     } else {
       retVal = false;
     }
   } else if (!waEndpt.getPrivatePort().equalsIgnoreCase(txtPrivatePort.getText())) {
     boolean isSuspended = windowsAzureRole.getStartSuspended();
     windowsAzureRole.setDebuggingEndpoint(null);
     waEndpt.setPrivatePort(txtPrivatePort.getText());
     windowsAzureRole.setDebuggingEndpoint(waEndpt);
     windowsAzureRole.setStartSuspended(isSuspended);
   }
   return retVal;
 }
 @Override
 protected void okPressed() {
   boolean okToProceed = true;
   try {
     if (isEditEndpt) {
       // if its an edit an endpoint scenario
       okToProceed = editEndpt();
     } else {
       // for add an endpoint scenario
       boolean isValid = windowsAzureRole.isAvailableEndpointName(txtName.getText());
       if (isValid) {
         boolean isValidendpoint =
             windowsAzureRole.isValidEndpoint(
                 txtName.getText(),
                 WindowsAzureEndpointType.valueOf(comboType.getText()),
                 txtPrivatePort.getText(),
                 txtPublicPort.getText());
         if (isValidendpoint) {
           windowsAzureRole.addEndpoint(
               txtName.getText(),
               WindowsAzureEndpointType.valueOf(comboType.getText()),
               txtPrivatePort.getText(),
               txtPublicPort.getText());
         } else {
           errorTitle = Messages.dlgInvldPort;
           errorMessage = Messages.dlgPortInUse;
           MessageUtil.displayErrorDialog(this.getShell(), errorTitle, errorMessage);
           okToProceed = false;
         }
       } else {
         errorTitle = Messages.dlgInvdEdPtName1;
         errorMessage = Messages.dlgInvdEdPtName2;
         MessageUtil.displayErrorDialog(this.getShell(), errorTitle, errorMessage);
         okToProceed = false;
       }
     }
   } catch (WindowsAzureInvalidProjectOperationException e) {
     errorTitle = Messages.rolsErr;
     errorMessage = Messages.adRolErrMsgBox1 + Messages.adRolErrMsgBox2;
     MessageUtil.displayErrorDialog(this.getShell(), errorTitle, errorMessage);
     Activator.getDefault().log(errorMessage, e);
   }
   if (okToProceed) {
     super.okPressed();
   }
 }