office-gobmx/qadevOOo/runner/util/ValueComparer.java
2003-01-31 10:11:34 +00:00

275 lines
No EOL
9.7 KiB
Java

/*************************************************************************
*
* $RCSfile: ValueComparer.java,v $
*
* $Revision: 1.3 $
*
* last change:$Date: 2003-01-31 11:11:34 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package util;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
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;
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 occured while comparing Objects");
e.printStackTrace();
}
return eq;
} // end of equalValue
static boolean compareArrays(Object op1, Object op2) throws Exception {
boolean result = true;
if((op1.getClass().getComponentType() == op2.getClass().getComponentType())
&& (Array.getLength(op1) == Array.getLength(op2)))
{
Class zClass = op1.getClass().getComponentType();
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;
}
static boolean compareInterfaces(XInterface op1, XInterface op2) {
return op1 == op2;
}
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(op1);
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;
}
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;
}
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;
}
static boolean compareEnums(Enum en1, Enum en2) {
return en1.getValue() == en2.getValue();
}
static boolean compareObjects(Object op1, Object op2) throws Exception {
boolean result = false;
if(op1 == op2)
result = true;
if ( (op1==null) || (op2 == null) ) {
result = (op1 == op2);
}
else if(op1.getClass().isPrimitive() && op2.getClass().isPrimitive())
result = op1.equals(op2);
else if(op1.getClass() == Byte.class && op2.getClass() == Byte.class)
result = op1.equals(op2);
else if(op1.getClass() == Type.class && op2.getClass() == Type.class)
result = op1.equals(op2);
else if(op1.getClass() == Boolean.class && op2.getClass() == Boolean.class)
result = op1.equals(op2);
else if(op1.getClass() == Short.class && op2.getClass() == Short.class)
result = op1.equals(op2);
else if(Throwable.class.isAssignableFrom(op1.getClass()) && Throwable.class.isAssignableFrom(op2.getClass()))
result = compareThrowable((Throwable)op1, (Throwable)op2);
else if(op1.getClass() == Integer.class && op2.getClass() == Integer.class)
result = op1.equals(op2);
else if(op1.getClass() == Character.class && op2.getClass() == Character.class)
result = op1.equals(op2);
else if(op1.getClass() == Long.class && op2.getClass() == Long.class)
result = op1.equals(op2);
else if(op1.getClass() == Void.class && op2.getClass() == Void.class)
result = op1.equals(op2);
else if(op1.getClass() == Float.class && op2.getClass() == Float.class)
result = op1.equals(op2);
else if(op1.getClass() == Double.class && op2.getClass() == Double.class)
result = op1.equals(op2);
else if(op1.getClass().isArray() && op2.getClass().isArray())
result = compareArrays(op1, op2);
else if(op1.getClass() == Void.class || op2.getClass() == void.class) // write nothing ?
result = true;
else if(XInterface.class.isAssignableFrom(op1.getClass()) && XInterface.class.isAssignableFrom(op2.getClass()))
compareInterfaces((XInterface)op1, (XInterface)op2);
else if(Enum.class.isAssignableFrom(op1.getClass()) && Enum.class.isAssignableFrom(op2.getClass()))
compareEnums((Enum)op1, (Enum)op2);
else if(op1.getClass() == String.class && op2.getClass() == String.class) // is it a String ?
result = ((String)op1).equals((String)op2);
else // otherwise it must be a struct
result = compareStructs(op1, op2);
return result;
}
}