[DL-Learner SVN] SF.net SVN: dl-learner: [1008] trunk/src/dl-learner/org/dllearner/utilities /Helper.java

[<Jen...@us...>]

Revision: 1008
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1008&view=rev
Author:   JensLehmann
Date:     2008-07-15 03:25:32 -0700 (Tue, 15 Jul 2008)

Log Message:
-----------
added log4j to Helper class

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/utilities/Helper.java

Modified: trunk/src/dl-learner/org/dllearner/utilities/Helper.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/utilities/Helper.java	2008-07-10 16:37:43 UTC (rev 1007)
+++ trunk/src/dl-learner/org/dllearner/utilities/Helper.java	2008-07-15 10:25:32 UTC (rev 1008)
@@ -1,3 +1,22 @@
+/**
+ * Copyright (C) 2007-2008, Jens Lehmann
+ *
+ * This file is part of DL-Learner.
+ * 
+ * DL-Learner is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DL-Learner is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
 package org.dllearner.utilities;
 
 import java.util.Iterator;
@@ -10,6 +29,7 @@
 import java.util.TreeSet;
 import java.util.Map.Entry;
 
+import org.apache.log4j.Logger;
 import org.dllearner.core.ReasoningMethodUnsupportedException;
 import org.dllearner.core.ReasoningService;
 import org.dllearner.core.owl.AssertionalAxiom;
@@ -27,14 +47,15 @@
 import org.dllearner.utilities.datastructures.SortedSetTuple;
 
 /**
- * Die Hilfsmethoden benutzen alle SortedSet, da die Operationen damit schneller
- * sind.
+ * TODO: JavaDoc
  * 
- * @author jl
+ * @author Jens Lehmann
  * 
  */
 public class Helper {
 
+	private static Logger logger = Logger.getLogger(Helper.class);	
+	
 	// findet alle atomaren Konzepte in einem Konzept
 	public static List<NamedClass> getAtomicConcepts(Description concept) {
 		List<NamedClass> ret = new LinkedList<NamedClass>();
@@ -461,11 +482,8 @@
 		Helper.removeUninterestingConcepts(concepts);
 		for (NamedClass ac : ignoredConcepts) {
 			boolean success = concepts.remove(ac);
-			if (!success) {
-				System.out.println("Warning: Ignored concept " + ac
-						+ " does not exist in knowledge base.");
-				System.exit(0);
-			}
+			if (!success)
+				logger.warn("Warning: Ignored concept " + ac + " does not exist in knowledge base.");
 		}
 		return concepts;
 	}


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