diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/ontology/update/OntologyChangeParser.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/ontology/update/OntologyChangeParser.java
new file mode 100644
index 000000000..15fd4f55f
--- /dev/null
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/ontology/update/OntologyChangeParser.java
@@ -0,0 +1,98 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.ontology.update;
+
+import edu.cornell.mannlib.vitro.webapp.ontology.update.AtomicOntologyChange;
+import edu.cornell.mannlib.vitro.webapp.ontology.update.AtomicOntologyChange.AtomicChangeType;
+
+import org.skife.csv.CSVReader;
+import org.skife.csv.SimpleReader;
+
+import java.io.FileInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.StringTokenizer;
+import java.util.ArrayList;
+
+/**
+ * Performs parsing on Prompt output and provides change object list.
+ * 
+ * @author ass92
+ *
+ */
+
+public class OntologyChangeParser {
+
+	/**
+	 * @param args
+	 * @throws IOException 
+	 */
+	
+	@SuppressWarnings({ "unchecked", "null", "static-access" })
+	public static ArrayList<AtomicOntologyChange> parseFile() throws IOException{
+		
+		AtomicOntologyChange changeObj;
+		ArrayList<AtomicOntologyChange> changeObjects = new ArrayList<AtomicOntologyChange>();
+		int countColumns = 0;
+		String URI = null;
+		String rename = null;
+		String sourceURI = null;
+		String destinationURI = null;
+		StringTokenizer stArr = null; 
+		FileInputStream in = new FileInputStream(new File("/WEB-INF/ontologies/update/diff.tab.txt"));
+		CSVReader readFile = new SimpleReader();
+		
+		List<String[]> rows = readFile.parse(in);
+		
+		for(int rowNum = 0; rowNum < rows.size(); rowNum++){
+			
+			String[] cols = rows.get(rowNum);
+			
+			for(int col =0; col < cols.length; col++){
+				String column = cols[col].trim();
+				stArr = new StringTokenizer(column,"	");
+				countColumns = stArr.countTokens();
+				changeObj = new AtomicOntologyChange();
+				
+					if(countColumns == 4){
+						
+						URI = stArr.nextToken();
+						rename = stArr.nextToken();
+						String check = stArr.nextToken();
+						
+						if(check.equalsIgnoreCase("Add")){
+							
+							AtomicChangeType atomicChangeType = changeObj.getAtomicChangeType();
+							changeObj.setAtomicChangeType(atomicChangeType.ADD);
+							changeObj.setDestinationURI(URI);
+							changeObjects.add(changeObj);
+							
+						}
+						else{
+							AtomicChangeType atomicChangeType = changeObj.getAtomicChangeType();
+							changeObj.setAtomicChangeType(atomicChangeType.DELETE);
+							changeObj.setSourceURI(URI);
+							changeObjects.add(changeObj);
+						}
+					}
+					else{
+						
+						sourceURI = stArr.nextToken();
+						destinationURI = stArr.nextToken();
+						AtomicChangeType atomicChangeType = changeObj.getAtomicChangeType();
+						changeObj.setAtomicChangeType(atomicChangeType.RENAME);
+						changeObj.setSourceURI(sourceURI);
+						changeObj.setDestinationURI(destinationURI);
+						changeObjects.add(changeObj);
+					     
+					}
+					
+			}
+			
+		}
+		
+		return changeObjects;
+	}
+
+}