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Posted to commits@commons.apache.org by sk...@apache.org on 2007/11/10 18:40:58 UTC

svn commit: r593798 - /commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java

Author: skitching
Date: Sat Nov 10 09:40:43 2007
New Revision: 593798

URL: http://svn.apache.org/viewvc?rev=593798&view=rev
Log:
Fix possible null-pointer exception when generating diagnostic messages. JIRA issue LOGGING-115. Thanks to Frantisek Jandos for the bugreport.

Modified:
    commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java

Modified: commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java
URL: http://svn.apache.org/viewvc/commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java?rev=593798&r1=593797&r2=593798&view=diff
==============================================================================
--- commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java (original)
+++ commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java Sat Nov 10 09:40:43 2007
@@ -380,6 +380,14 @@
 
     // --------------------------------------------------------- Static Methods
 
+    /** Utility method to safely trim a string. */
+    private static String trim(String src) {
+    	if (src == null) {
+    		return null;
+    	}
+    	return src.trim();
+    }
+
     /**
      * <p>Construct (if necessary) and return a <code>LogFactory</code>
      * instance, using the following ordered lookup procedure to determine
@@ -499,7 +507,7 @@
                 logDiagnostic(
                         "[LOOKUP] A security exception occurred while trying to create an"
                         + " instance of the custom factory class"
-                        + ": [" + e.getMessage().trim()
+                        + ": [" + trim(e.getMessage())
                         + "]. Trying alternative implementations...");
             }
             ;  // ignore
@@ -513,7 +521,7 @@
                 logDiagnostic(
                         "[LOOKUP] An exception occurred while trying to create an"
                         + " instance of the custom factory class"
-                        + ": [" + e.getMessage().trim()
+                        + ": [" + trim(e.getMessage())
                         + "] as specified by a system property.");
             }
             throw e;
@@ -576,7 +584,7 @@
                     logDiagnostic(
                         "[LOOKUP] A security exception occurred while trying to create an"
                         + " instance of the custom factory class"
-                        + ": [" + ex.getMessage().trim()
+                        + ": [" + trim(ex.getMessage())
                         + "]. Trying alternative implementations...");
                 }
                 ; // ignore