java/trunk/monitoring-app/src/main/java/org/hps/monitoring/gui

--- java/trunk/monitoring-app/src/main/java/org/hps/monitoring/gui/JobPanel.java	2014-07-10 16:34:08 UTC (rev 763)
+++ java/trunk/monitoring-app/src/main/java/org/hps/monitoring/gui/JobPanel.java	2014-07-10 19:34:16 UTC (rev 764)
@@ -145,28 +145,25 @@

      * Check that the steering file or resource is valid.
      * @return True if steering is valid; false if not.
      */

-    boolean checkSteering() {

+    void checkSteering() throws IOException {

         String steering = steeringFileField.getText();
         int steeringType = steeringTypeComboBox.getSelectedIndex();		
         if (RESOURCE == steeringType) {
             // Check that steering resource exists.
             InputStream is = getClass().getResourceAsStream(steering);
             if (is == null) {

-                return false;
-            } else {
-                return true;

+                throw new IOException("Steering resource does not exist or is not accessible.");

             }
         } else if (FILE == steeringType) {
             // Check that steering file exists.
             File f = new File(steering);
             if (!f.exists()) {

-                return false;
-            } else {
-                return true;
-            }

+                throw new IOException("Steering file does not exist or is not readable.");
+            } 

         } else {

-            throw new IllegalArgumentException("The steeringType is invalid: " + steeringType);
-        }               

+            // Can this actually ever happen???
+            throw new IOException("The steering type is invalid.");
+        }

     }
      
     /**