Added a convenience method to get the message of a Throwable, or the

class name if the message is null.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1875 6335cc39-0255-0410-8fd6-9bcaacd3b74c

src/java/com/samskivert/util/StringUtil.java

@@ -276,6 +276,19 @@ public class StringUtil
         return _ffmt.format(value);
     }
 
+    /**
+     * Get the message in the specified throwable, or the short class
+     * name if there is no message.
+     */
+    public static String getMessage (Throwable t)
+    {
+        String msg = t.getMessage();
+        if (msg == null) {
+            msg = shortClassName(t);
+        }
+        return msg;
+    }
+
     /**
      * Converts the supplied object to a string. Normally this is
      * accomplished via the object's built in <code>toString()</code>