org.dom4j.tree.DefaultNamespace Maven / Gradle / Ivy
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/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.tree;
import org.dom4j.Element;
import org.dom4j.Namespace;
/**
*
* DefaultNamespace implements a doubly linked node which
* supports the parent relationship and is mutable. It is useful when returning
* results from XPath expressions.
*
*
* @author James Strachan
* @version $Revision: 1.16 $
*/
public class DefaultNamespace extends Namespace {
private static final long serialVersionUID = 1L;
/** The parent of this node */
private Element parent;
/**
* DOCUMENT ME!
*
* @param prefix
* is the prefix for this namespace
* @param uri
* is the URI for this namespace
*/
public DefaultNamespace(String prefix, String uri) {
super(prefix, uri);
}
/**
* DOCUMENT ME!
*
* @param parent
* is the parent element
* @param prefix
* is the prefix for this namespace
* @param uri
* is the URI for this namespace
*/
public DefaultNamespace(Element parent, String prefix, String uri) {
super(prefix, uri);
this.parent = parent;
}
/**
* DOCUMENT ME!
*
* @return the hash code based on the qualified name and the URI of the
* namespace and the hashCode() of the parent element.
*/
protected int createHashCode() {
int hashCode = super.createHashCode();
if (parent != null) {
hashCode ^= parent.hashCode();
}
return hashCode;
}
/**
* Implements an identity based comparsion using the parent element as well
* as the prefix and URI
*
* @param object
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
public boolean equals(Object object) {
if (object instanceof DefaultNamespace) {
DefaultNamespace that = (DefaultNamespace) object;
if (that.parent == parent) {
return super.equals(object);
}
}
return false;
}
public int hashCode() {
return super.hashCode();
}
public Element getParent() {
return parent;
}
public void setParent(Element parent) {
this.parent = parent;
}
public boolean supportsParent() {
return true;
}
public boolean isReadOnly() {
return false;
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact [email protected].
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/