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+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package util;
+
+import com.sun.star.beans.PropertyValue;
+import java.lang.reflect.Array;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import com.sun.star.uno.Type;
+import com.sun.star.uno.Enum;
+import com.sun.star.uno.XInterface;
+import com.sun.star.uno.Any;
+import com.sun.star.uno.AnyConverter;
+import java.util.HashMap;
+
+
+public class ValueComparer {
+
+ // Method to change a Value, thought for properties
+ public static boolean equalValue( Object first, Object second ) {
+
+ if (first instanceof com.sun.star.uno.Any) {
+ try {
+ first = AnyConverter.toObject(((Any) first).getType(),first);
+ } catch (com.sun.star.lang.IllegalArgumentException iae) {
+ }
+ }
+ if (second instanceof com.sun.star.uno.Any) {
+ try {
+ second = AnyConverter.toObject(((Any) second).getType(),second);
+ } catch (com.sun.star.lang.IllegalArgumentException iae) {
+ }
+ }
+ boolean eq = false;
+ try {
+ if ( (first==null) || (second == null) ) {
+ eq = (first == second);
+ }
+ else {
+ if ( util.utils.isVoid(first) && util.utils.isVoid(second) ) {
+ eq=true;
+ } else if ( util.utils.isVoid(first) || util.utils.isVoid(second) ) {
+ eq = (first == second);
+ } else {
+ eq = compareObjects(first, second);
+ }
+ }
+ }
+ catch (Exception e) {
+ System.out.println("Exception occurred while comparing Objects");
+ e.printStackTrace();
+ }
+ return eq;
+ } // end of equalValue
+
+ private static boolean compareArrayOfPropertyValue(PropertyValue[] pv1, PropertyValue[] pv2){
+ if ( pv1.length != pv2.length) {
+ return false;
+ }
+ HashMap<String, Object> hm1 = new HashMap<String, Object>();
+ boolean result = true;
+ int i = 0;
+
+ for (i = 0; i < pv1.length; i++){
+ hm1.put(pv1[i].Name, pv1[i].Value);
+ }
+
+ i = 0;
+ while (i < pv2.length && result) {
+ result &= equalValue(hm1.get(pv2[i].Name),pv2[i].Value);
+ i++;
+ }
+ return result;
+ }
+
+ private static boolean compareArrays(Object op1, Object op2) throws Exception {
+
+ if (op1 instanceof PropertyValue[] && op2 instanceof PropertyValue[]) {
+ return compareArrayOfPropertyValue((PropertyValue[])op1,(PropertyValue[])op2);
+ }
+ boolean result = true;
+ if((op1.getClass().getComponentType() == op2.getClass().getComponentType())
+ && (Array.getLength(op1) == Array.getLength(op2)))
+ {
+ for(int i = 0; i < Array.getLength(op1); ++ i)
+ result = result & compareObjects(Array.get(op1, i), Array.get(op2, i));
+ } else {
+ result = false ;
+ }
+
+ return result;
+ }
+
+ private static boolean compareInterfaces(XInterface op1, XInterface op2) {
+ return op1 == op2;
+ }
+
+ private static boolean compareUntil(Class<?> zClass, Class<?> untilClass, Object op1, Object op2) throws Exception {
+ boolean result = true;
+
+ // write inherited members first
+ Class<?> superClass = zClass.getSuperclass();
+ if(superClass != null && superClass != untilClass)
+ result = result & compareUntil(superClass, untilClass, op1, op2);
+
+ Field fields[] = zClass.getDeclaredFields();
+
+ for(int i = 0; i < fields.length && result; ++ i) {
+ if((fields[i].getModifiers() & (Modifier.STATIC | Modifier.TRANSIENT)) == 0) { // neither static nor transient ?
+ Object obj1 = fields[i].get(op1);
+ Object obj2 = fields[i].get(op2);
+ if (obj1 instanceof com.sun.star.uno.Any) {
+ try {
+ if (utils.isVoid(obj1)) {
+ obj1 = null;
+ } else {
+ obj1 = AnyConverter.toObject(((Any) obj1).getType(),obj1);
+ }
+ } catch (com.sun.star.lang.IllegalArgumentException iae) {
+ }
+ }
+ if (obj2 instanceof com.sun.star.uno.Any) {
+ try {
+ if (utils.isVoid(obj2)) {
+ obj2 = null;
+ } else {
+ obj2 = AnyConverter.toObject(((Any) obj2).getType(),obj2);
+ }
+ } catch (com.sun.star.lang.IllegalArgumentException iae) {
+ }
+ }
+
+ result = result & compareObjects(obj1, obj2);
+
+ }
+ }
+
+ return result;
+ }
+
+ private static boolean compareStructs(Object op1, Object op2) throws Exception {
+ boolean result = true;
+
+ if(op1.getClass() != op2.getClass())
+ result = false;
+ else {
+ result = compareUntil(op1.getClass(), Object.class, op1, op2);
+ }
+
+ return result;
+ }
+
+ private static boolean compareThrowable(Throwable op1, Throwable op2) throws Exception {
+ boolean result = true;
+
+ if(op1.getClass() != op2.getClass())
+ result = false;
+ else {
+ result = compareUntil(op1.getClass(), Throwable.class, op1, op2);
+
+ result = result & op1.getMessage().equals(op2.getMessage());
+ }
+
+ return result;
+ }
+
+ private static boolean compareEnums(Enum en1, Enum en2) {
+ return en1.getValue() == en2.getValue();
+ }
+
+ private static boolean compareObjects(Object op1, Object op2) throws Exception {
+ if(op1 == op2)
+ return true;
+ else if(op1==null || op2 == null)
+ return op1 == op2;
+ else if(op1.getClass().isPrimitive() && op2.getClass().isPrimitive())
+ return op1.equals(op2);
+ else if(op1.getClass() == Byte.class && op2.getClass() == Byte.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Type.class && op2.getClass() == Type.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Boolean.class && op2.getClass() == Boolean.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Short.class && op2.getClass() == Short.class)
+ return op1.equals(op2);
+ else if(Throwable.class.isAssignableFrom(op1.getClass()) && Throwable.class.isAssignableFrom(op2.getClass()))
+ return compareThrowable((Throwable)op1, (Throwable)op2);
+ else if(op1.getClass() == Integer.class && op2.getClass() == Integer.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Character.class && op2.getClass() == Character.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Long.class && op2.getClass() == Long.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Void.class && op2.getClass() == Void.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Float.class && op2.getClass() == Float.class)
+ return op1.equals(op2);
+ else if(op1.getClass() == Double.class && op2.getClass() == Double.class)
+ return op1.equals(op2);
+ else if(op1.getClass().isArray() && op2.getClass().isArray())
+ return compareArrays(op1, op2);
+ else if(op1.getClass() == Void.class || op2.getClass() == void.class) // write nothing ?
+ return true;
+ else if(XInterface.class.isAssignableFrom(op1.getClass()) && XInterface.class.isAssignableFrom(op2.getClass()))
+ return compareInterfaces((XInterface)op1, (XInterface)op2);
+ else if(Enum.class.isAssignableFrom(op1.getClass()) && Enum.class.isAssignableFrom(op2.getClass()))
+ return compareEnums((Enum)op1, (Enum)op2);
+ else if(op1.getClass() == String.class && op2.getClass() == String.class) // is it a String ?
+ return ((String)op1).equals(op2);
+ else // otherwise it must be a struct
+ return compareStructs(op1, op2);
+ }
+
+
+}