| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.openapi.util; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * @author peter |
| */ |
| public class DifferenceFilter<T> implements DefaultJDOMExternalizer.JDOMFilter { |
| private final T myThisSettings; |
| private final T myParentSettings; |
| |
| public DifferenceFilter(final T object, final T parentObject) { |
| myThisSettings = object; |
| myParentSettings = parentObject; |
| } |
| |
| @Override |
| public boolean isAccept(@NotNull Field field) { |
| try { |
| Object thisValue = field.get(myThisSettings); |
| Object parentValue = field.get(myParentSettings); |
| return !Comparing.equal(thisValue, parentValue); |
| } |
| catch (Throwable e) { |
| return true; |
| } |
| } |
| } |