| /* |
| * 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.tree; |
| |
| import org.apache.commons.lang3.StringUtils; |
| |
| /** |
| * <p> |
| * An enumeration class with several pre-defined {@link NodeMatcher} |
| * implementations based on node names. |
| * </p> |
| * <p> |
| * Filtering nodes by their name is a typical use case. Therefore, some default |
| * implementations for typical filter algorithms are already provided. They are |
| * available as constants of this class. Because the algorithms are state-less |
| * these instances can be shared and accessed concurrently. |
| * </p> |
| * |
| * @version $Id$ |
| * @since 2.0 |
| */ |
| public enum NodeNameMatchers implements NodeMatcher<String> |
| { |
| /** |
| * A matcher for exact node name matches. This matcher returns <b>true</b> |
| * if and only if the name of the passed in node equals exactly the given |
| * criterion string. |
| */ |
| EQUALS |
| { |
| @Override |
| public <T> boolean matches(T node, NodeHandler<T> handler, |
| String criterion) |
| { |
| return StringUtils.equals(criterion, handler.nodeName(node)); |
| } |
| }, |
| |
| /** |
| * A matcher for matches on node names which ignores case. For this matcher |
| * the names {@code node}, {@code NODE}, or {@code NodE} are all the same. |
| */ |
| EQUALS_IGNORE_CASE |
| { |
| @Override |
| public <T> boolean matches(T node, NodeHandler<T> handler, |
| String criterion) |
| { |
| return StringUtils.equalsIgnoreCase(criterion, |
| handler.nodeName(node)); |
| } |
| } |
| } |