001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.configuration.tree.xpath; 018 019 import java.util.Locale; 020 021 import org.apache.commons.configuration.tree.ConfigurationNode; 022 import org.apache.commons.jxpath.ri.QName; 023 import org.apache.commons.jxpath.ri.model.NodePointer; 024 import org.apache.commons.jxpath.ri.model.NodePointerFactory; 025 026 /** 027 * Implementation of the <code>NodePointerFactory</code> interface for 028 * configuration nodes. 029 * 030 * @since 1.3 031 * @author Oliver Heger 032 * @version $Id: ConfigurationNodePointerFactory.java 439648 2006-09-02 20:42:10Z oheger $ 033 */ 034 public class ConfigurationNodePointerFactory implements NodePointerFactory 035 { 036 /** Constant for the order of this factory. */ 037 public static final int CONFIGURATION_NODE_POINTER_FACTORY_ORDER = 200; 038 039 /** 040 * Returns the order of this factory between other factories. 041 * 042 * @return this order's factory 043 */ 044 public int getOrder() 045 { 046 return CONFIGURATION_NODE_POINTER_FACTORY_ORDER; 047 } 048 049 /** 050 * Creates a node pointer for the specified bean. If the bean is a 051 * configuration node, a corresponding pointer is returned. 052 * 053 * @param name the name of the node 054 * @param bean the bean 055 * @param locale the locale 056 * @return a pointer for a configuration node if the bean is such a node 057 */ 058 public NodePointer createNodePointer(QName name, Object bean, Locale locale) 059 { 060 if (bean instanceof ConfigurationNode) 061 { 062 return new ConfigurationNodePointer((ConfigurationNode) bean, 063 locale); 064 } 065 return null; 066 } 067 068 /** 069 * Creates a node pointer for the specified bean. If the bean is a 070 * configuration node, a corresponding pointer is returned. 071 * 072 * @param parent the parent node 073 * @param name the name 074 * @param bean the bean 075 * @return a pointer for a configuration node if the bean is such a node 076 */ 077 public NodePointer createNodePointer(NodePointer parent, QName name, 078 Object bean) 079 { 080 if (bean instanceof ConfigurationNode) 081 { 082 return new ConfigurationNodePointer(parent, 083 (ConfigurationNode) bean); 084 } 085 return null; 086 } 087 }