/*
* 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);
}
}
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