1 files changed, 70 insertions, 0 deletions

diff --git a/plugins/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/Compare.java b/plugins/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/Compare.java
new file mode 100644
index 00000000000..b1355f109f3
--- /dev/null
+++ b/plugins/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/Compare.java
@@ -0,0 +1,70 @@
+/*******************************************************************************

+ * Copyright (c) 2009 Boeing.

+ * 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:

+ *     Boeing - initial API and implementation

+ *******************************************************************************/

+package org.eclipse.osee.framework.jdk.core.util;

+

+import java.util.Arrays;

+import java.util.Collection;

+import java.util.Map;

+import java.util.Set;

+

+/**

+ * @author Roberto E. Escobar

+ */

+public class Compare {

+

+   private Compare() {

+   }

+

+   @SuppressWarnings("unchecked")

+   public static boolean isDifferent(Object original, Object other) {

+      boolean result = true;

+      if (original == null && other == null) {

+         result = false;

+      } else if (original != null && other != null) {

+         if (original instanceof Map<?, ?> && other instanceof Map<?, ?>) {

+            result = isDifferent((Map<Object, Object>) original, (Map<Object, Object>) other);

+         } else if (original instanceof Collection<?> && other instanceof Collection<?>) {

+            result = isDifferent((Collection<Object>) original, (Collection<Object>) other);

+         } else if (original instanceof Object[] && other instanceof Object[]) {

+            result = isDifferent(Arrays.asList((Object[]) original), Arrays.asList((Object[]) other));

+         } else {

+            result = !original.equals(other);

+         }

+      }

+      return result;

+   }

+

+   private static boolean isDifferent(Collection<Object> original, Collection<Object> other) {

+      return original.size() != other.size() || //

+      !Collections.setComplement(original, other).isEmpty() || //

+      !Collections.setComplement(other, original).isEmpty();

+   }

+

+   private static boolean isDifferent(Map<Object, Object> original, Map<Object, Object> other) {

+      boolean result = true;

+      if (original.size() == other.size()) {

+         Set<Object> set1 = original.keySet();

+         Set<Object> set2 = other.keySet();

+         if (!isDifferent(set1, set2)) {

+            result = false;

+            for (Object key : set1) {

+               Object value1 = original.get(key);

+               Object value2 = other.get(key);

+               if (isDifferent(value1, value2)) {

+                  result = true;

+                  break;

+               }

+            }

+         }

+      }

+      return result;

+   }

+}