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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);
}
}
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