| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| 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 occured while comparing Objects"); |
| e.printStackTrace(); |
| } |
| return eq; |
| } // end of equalValue |
| |
| static boolean compareArrayOfPropertyValue(PropertyValue[] pv1, PropertyValue[] pv2){ |
| if ( pv1.length != pv2.length) { |
| return false; |
| } |
| HashMap hm1 = new HashMap(); |
| 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; |
| } |
| |
| 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))) |
| { |
| 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(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; |
| } |
| |
| 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; |
| } |
| |
| |
| } |