| /* |
| * 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 org.apache.commons.configuration2; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Strict comparator for configurations. |
| * |
| * @since 1.0 |
| * |
| */ |
| public class StrictConfigurationComparator implements ConfigurationComparator |
| { |
| /** |
| * Create a new strict comparator. |
| */ |
| public StrictConfigurationComparator() |
| { |
| } |
| |
| /** |
| * Compare two configuration objects. |
| * |
| * @param a the first configuration |
| * @param b the second configuration |
| * @return true if keys from a are found in b and keys from b are |
| * found in a and for each key in a, the corresponding value |
| * is the sale in for the same key in b |
| */ |
| @Override |
| public boolean compare(final Configuration a, final Configuration b) |
| { |
| if (a == null && b == null) |
| { |
| return true; |
| } |
| else if (a == null || b == null) |
| { |
| return false; |
| } |
| |
| for (final Iterator<String> keys = a.getKeys(); keys.hasNext();) |
| { |
| final String key = keys.next(); |
| final Object value = a.getProperty(key); |
| if (!value.equals(b.getProperty(key))) |
| { |
| return false; |
| } |
| } |
| |
| for (final Iterator<String> keys = b.getKeys(); keys.hasNext();) |
| { |
| final String key = keys.next(); |
| final Object value = b.getProperty(key); |
| if (!value.equals(a.getProperty(key))) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |