-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-/*\r
- * 27.12.2005\r
- * @Author Toni Kalajainen\r
- */\r
-package org.simantics.utils;\r
-\r
-import java.util.Collection;\r
-import java.util.Iterator;\r
-\r
-/**\r
- * Basic utilities for any objects.\r
- */\r
-public class ObjectUtils {\r
-\r
- /**\r
- * Compares two object for equality.\r
- * <p>\r
- * Some times it is annoying to compare two objects if their value may be\r
- * null.\r
- * \r
- * @param o1 obj1\r
- * @param o2 obj2\r
- * @return true if equal or both null\r
- */\r
- public static boolean objectEquals(Object o1, Object o2) {\r
- if (o1 == o2)\r
- return true;\r
- if (o1 == null && o2 == null)\r
- return true;\r
- if (o1 == null || o2 == null)\r
- return false;\r
- return o1.equals(o2);\r
- }\r
-\r
- public static int hashCode(Object obj) {\r
- return (obj == null ? 0 : obj.hashCode());\r
- }\r
-\r
- public static boolean equals(Collection<?> c1, Collection<?> c2) {\r
- if (c1.size() != c2.size())\r
- return false;\r
- Iterator<?> i1 = c1.iterator();\r
- Iterator<?> i2 = c2.iterator();\r
- while (i1.hasNext()) {\r
- if (!ObjectUtils.objectEquals(i1.next(), i2.next()))\r
- return false;\r
- }\r
- return true;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ * 27.12.2005
+ * @Author Toni Kalajainen
+ */
+package org.simantics.utils;
+
+import java.util.Collection;
+import java.util.Iterator;
+
+/**
+ * Basic utilities for any objects.
+ */
+public class ObjectUtils {
+
+ /**
+ * Compares two object for equality.
+ * <p>
+ * Some times it is annoying to compare two objects if their value may be
+ * null.
+ *
+ * @param o1 obj1
+ * @param o2 obj2
+ * @return true if equal or both null
+ */
+ public static boolean objectEquals(Object o1, Object o2) {
+ if (o1 == o2)
+ return true;
+ if (o1 == null && o2 == null)
+ return true;
+ if (o1 == null || o2 == null)
+ return false;
+ return o1.equals(o2);
+ }
+
+ public static int hashCode(Object obj) {
+ return (obj == null ? 0 : obj.hashCode());
+ }
+
+ public static boolean equals(Collection<?> c1, Collection<?> c2) {
+ if (c1.size() != c2.size())
+ return false;
+ Iterator<?> i1 = c1.iterator();
+ Iterator<?> i2 = c2.iterator();
+ while (i1.hasNext()) {
+ if (!ObjectUtils.objectEquals(i1.next(), i2.next()))
+ return false;
+ }
+ return true;
+ }
+
+}