1 files changed, 0 insertions, 121 deletions
diff --git a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPACheckSum.java b/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPACheckSum.java
deleted file mode 100644
index 556c213970..0000000000
--- a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPACheckSum.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*******************************************************************************
- * <copyright>
- *
- * Copyright (c) 2005, 2010 SAP AG.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *    Stefan Dimov - initial API, implementation and documentation
- *
- * </copyright>
- *
- *******************************************************************************/
-package org.eclipse.jpt.jpadiagrameditor.ui.internal.util;
-
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.Iterator;
-import java.util.List;
-
-import org.eclipse.graphiti.mm.pictograms.Diagram;
-import org.eclipse.graphiti.mm.pictograms.Shape;
-import org.eclipse.graphiti.services.Graphiti;
-import org.eclipse.jdt.core.ICompilationUnit;
-import org.eclipse.jdt.core.JavaModelException;
-import org.eclipse.jpt.jpa.core.JpaProject;
-import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
-import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit;
-
-public class JPACheckSum {
-	
-	private static JPACheckSum instance = null;
-	private static MessageDigest md5 = null;
-	
-	public static synchronized JPACheckSum INSTANCE() {
-		if (instance == null) {
-			try {
-				md5 = MessageDigest.getInstance("MD5");	//$NON-NLS-1$
-			} catch (NoSuchAlgorithmException e) {
-				System.err.println("Couldn't create instance of MD5"); //$NON-NLS-1$
-				e.printStackTrace();	
-				return null;
-			}
-			instance = new JPACheckSum();
-		}
-		return instance; 
-	}
-		
-	public String getSavedShapeMD5(Shape sh) {	
-		String checkSumString = Graphiti.getPeService().getPropertyValue(sh, JPAEditorConstants.PROP_ENTITY_CHECKSUM);
-		if (checkSumString == null)
-			return "";	//$NON-NLS-1$
-		return checkSumString;
-	}
-	
-	public void assignEntityShapesMD5Strings(Diagram d, JpaProject jpaProject) {
-		PersistenceUnit pu = JpaArtifactFactory.instance().getPersistenceUnit(jpaProject);
-		List<Shape> picts = d.getChildren();
-		if (picts.size() == 0)
-			return;
-		Iterator<Shape> it = picts.iterator();
-		while (it.hasNext()) {
-			Shape pict = it.next();
-			String name = Graphiti.getPeService().getPropertyValue(pict, JPAEditorConstants.PROP_ENTITY_CLASS_NAME);
-			JavaPersistentType jpt = JpaArtifactFactory.instance().getJPT(name, pu);
-			String hash = "";	//$NON-NLS-1$
-			if (jpt != null) {
-				ICompilationUnit cu = JPAEditorUtil.getCompilationUnit(jpt);
-				hash = generateCompilationUnitMD5String(cu);
-			}
-			Graphiti.getPeService().setPropertyValue(pict, JPAEditorConstants.PROP_ENTITY_CHECKSUM, hash);
-		}
-	}
-
-		
-	public String generateCompilationUnitMD5String(ICompilationUnit cu) {
-		String src = null;
-		try {
-			src = cu.getSource();
-		} catch (JavaModelException e) {
-			System.err.println("Can't get the source of the compilation unit");	//$NON-NLS-1$
-			e.printStackTrace();	
-			return null;
-		}
-		byte[] res = md5.digest(src.getBytes());
-		StringBuilder sb = new StringBuilder();
-		for (byte b : res)
-			sb.append(Byte.toString(b));
-		return sb.toString();		
-	}
-	
-	public boolean isEntityModelChanged(Shape sh, JpaProject jpaProject) {
-		if (sh == null)
-			return true; 
-		PersistenceUnit pu = JpaArtifactFactory.instance().getPersistenceUnit(jpaProject);
-		String name = Graphiti.getPeService().getPropertyValue(sh, JPAEditorConstants.PROP_ENTITY_CLASS_NAME);
-		JavaPersistentType jpt = JpaArtifactFactory.instance().getJPT(name, pu);
-		String savedMD5 = getSavedShapeMD5(sh);	
-		String actualMD5 = "";	//$NON-NLS-1$
-		if (jpt != null) {
-			ICompilationUnit cu = JPAEditorUtil.getCompilationUnit(jpt);
-			actualMD5 = generateCompilationUnitMD5String(cu);
-		}
-		return !savedMD5.equals(actualMD5);
-	}
-	
-	public boolean isModelDifferentFromDiagram(Diagram d, JpaProject jpaProject) {
-		List<Shape> picts = d.getChildren();
-		if (picts.size() == 0)
-			return false;
-		Iterator<Shape> it = picts.iterator();
-		while (it.hasNext()) {
-			Shape pict = it.next();
-			if (isEntityModelChanged(pict, jpaProject))
-				return true;
-		}
-		return false;
-	}
-}