[DL-Learner SVN] SF.net SVN: dl-learner:[1756] trunk/src/dl-learner/org/dllearner/kb/ manipulator/StringToResource.java

[<ku...@us...>]

Revision: 1756
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1756&view=rev
Author:   kurzum
Date:     2009-05-19 16:36:34 +0000 (Tue, 19 May 2009)

Log Message:
-----------
new rule for manipulator

Added Paths:
-----------
    trunk/src/dl-learner/org/dllearner/kb/manipulator/StringToResource.java

Added: trunk/src/dl-learner/org/dllearner/kb/manipulator/StringToResource.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/manipulator/StringToResource.java	                        (rev 0)
+++ trunk/src/dl-learner/org/dllearner/kb/manipulator/StringToResource.java	2009-05-19 16:36:34 UTC (rev 1756)
@@ -0,0 +1,104 @@
+/**
+ * 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.kb.manipulator;
+
+import java.net.URLEncoder;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import org.dllearner.kb.extraction.Node;
+import org.dllearner.utilities.JamonMonitorLogger;
+import org.dllearner.utilities.datastructures.RDFNodeTuple;
+
+import com.hp.hpl.jena.rdf.model.impl.ResourceImpl;
+
+public class StringToResource extends Rule{
+	
+	String namespace;
+	int limit ;
+
+
+	/**
+	 * @param month
+	 * @param resourceNamespace ns for the created uris
+	 * @param limit does not convert strings that are longer than a specific value, zero means convert all
+	 */
+	public StringToResource(Months month, String resourceNamespace, int limit) { 
+		super(month);
+		String slash = "";
+		if(!resourceNamespace.endsWith("/")) {
+			slash="/";
+		}
+		
+		this.namespace = slash+resourceNamespace;
+		this.limit = limit;
+	}
+	
+	
+	@Override
+	public  SortedSet<RDFNodeTuple> applyRule(Node subject, SortedSet<RDFNodeTuple> tuples){
+		SortedSet<RDFNodeTuple> keep = new TreeSet<RDFNodeTuple>();
+		for (RDFNodeTuple tuple : tuples) {
+			// do nothing if the object contains http://
+			if(!tuple.bPartContains("http://")){
+				boolean replace = true;
+				
+				//check for numbers 
+				for (int i = 0; i < 9; i++) {
+					if(tuple.bPartContains(i+"")){
+						replace = false; 
+						
+					}
+				}
+				
+				// do nothing if limit is exceeded
+				if(limit != 0 && tuple.b.toString().length()>limit){
+					replace = false;
+				}
+				
+				if (replace){
+				
+					String tmp = tuple.b.toString();
+					try{
+						//encode
+					tmp = URLEncoder.encode(tmp, "UTF-8");
+					}catch (Exception e) {
+						// TODO: handle exception
+					}
+					
+					tuple.b = new ResourceImpl(namespace+tmp);
+					JamonMonitorLogger.increaseCount(StringToResource.class, "convertedToURI");
+				}else {
+					// do nothing
+				}
+			}
+			keep.add(tuple);
+		}
+		return  keep;
+	}
+
+	@Override
+	public void logJamon(){
+		JamonMonitorLogger.increaseCount(StringToResource.class, "replacedObjects");
+	}
+	
+	
+	
+}


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