/* * 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.jxpath.ri.model.dynabeans; import java.util.Locale; import org.apache.commons.beanutils.DynaBean; import org.apache.commons.jxpath.ri.QName; import org.apache.commons.jxpath.ri.model.NodePointer; import org.apache.commons.jxpath.ri.model.beans.PropertyOwnerPointer; import org.apache.commons.jxpath.ri.model.beans.PropertyPointer; /** * A Pointer that points to a {@link DynaBean}. If the target DynaBean is Serializable, * so should this instance be. * * @author Dmitri Plotnikov * @version $Revision: 668329 $ $Date: 2008-06-16 16:59:48 -0500 (Mon, 16 Jun 2008) $ */ public class DynaBeanPointer extends PropertyOwnerPointer { private static final long serialVersionUID = -9135052498044877965L; private QName name; private DynaBean dynaBean; /** * Create a new DynaBeanPointer. * @param name is the name given to the first node * @param dynaBean pointed * @param locale Locale */ public DynaBeanPointer(QName name, DynaBean dynaBean, Locale locale) { super(null, locale); this.name = name; this.dynaBean = dynaBean; } /** * Create a new DynaBeanPointer. * @param parent pointer * @param name is the name given to the first node * @param dynaBean pointed */ public DynaBeanPointer(NodePointer parent, QName name, DynaBean dynaBean) { super(parent); this.name = name; this.dynaBean = dynaBean; } public PropertyPointer getPropertyPointer() { return new DynaBeanPropertyPointer(this, dynaBean); } public QName getName() { return name; } public Object getBaseValue() { return dynaBean; } public Object getImmediateNode() { return dynaBean; } public boolean isCollection() { return false; } public int getLength() { return 1; } public boolean isLeaf() { return false; } public int hashCode() { return name == null ? 0 : name.hashCode(); } public boolean equals(Object object) { if (object == this) { return true; } if (!(object instanceof DynaBeanPointer)) { return false; } DynaBeanPointer other = (DynaBeanPointer) object; if (!(equalObjects(parent, other.parent) && equalObjects(name, other.name))) { return false; } int iThis = (index == WHOLE_COLLECTION ? 0 : index); int iOther = (other.index == WHOLE_COLLECTION ? 0 : other.index); return iThis == iOther && dynaBean == other.dynaBean; } public String asPath() { return parent == null ? "/" : super.asPath(); } /** * Learn whether two objects are == || .equals(). * @param o1 first object * @param o2 second object * @return boolean */ private static boolean equalObjects(Object o1, Object o2) { return o1 == o2 || o1 != null && o1.equals(o2); } }