/*
* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/NodeTypeTest.java,v 1.8 2006/02/05 21:47:42 elharo Exp $
* $Revision: 1.8 $
* $Date: 2006/02/05 21:47:42 $
*
* ====================================================================
*
* Copyright 2000-2002 bob mcwhirter & James Strachan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the Jaxen Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS 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 THE COPYRIGHT OWNER
* OR 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.
*
* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jaxen Project and was originally
* created by bob mcwhirter <bob@werken.com> and
* James Strachan <jstrachan@apache.org>. For more information on the
* Jaxen Project, please see <http://www.jaxen.org/>.
*
* $Id: NodeTypeTest.java,v 1.8 2006/02/05 21:47:42 elharo Exp $
*/
package org.orbeon.jaxen.pattern;
import org.orbeon.jaxen.Context;
/** <p><code>NodeTypeTest</code> matches if the node is of a certain type
* such as element, attribute, comment, text, processing instruction and so forth.</p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @version $Revision: 1.8 $
*/
public class NodeTypeTest extends NodeTest {
public static final NodeTypeTest DOCUMENT_TEST
= new NodeTypeTest( DOCUMENT_NODE );
public static final NodeTypeTest ELEMENT_TEST
= new NodeTypeTest( ELEMENT_NODE );
public static final NodeTypeTest ATTRIBUTE_TEST
= new NodeTypeTest( ATTRIBUTE_NODE );
public static final NodeTypeTest COMMENT_TEST
= new NodeTypeTest( COMMENT_NODE );
public static final NodeTypeTest TEXT_TEST
= new NodeTypeTest( TEXT_NODE );
public static final NodeTypeTest PROCESSING_INSTRUCTION_TEST
= new NodeTypeTest( PROCESSING_INSTRUCTION_NODE );
public static final NodeTypeTest NAMESPACE_TEST
= new NodeTypeTest( NAMESPACE_NODE );
private short nodeType;
public NodeTypeTest(short nodeType)
{
this.nodeType = nodeType;
}
/** @return true if the pattern matches the given node
*/
public boolean matches( Object node, Context context )
{
return nodeType == context.getNavigator().getNodeType( node );
}
public double getPriority()
{
return -0.5;
}
public short getMatchType()
{
return nodeType;
}
public String getText()
{
switch (nodeType)
{
case ELEMENT_NODE:
return "child()";
case ATTRIBUTE_NODE:
return "@*";
case NAMESPACE_NODE:
return "namespace()";
case DOCUMENT_NODE:
return "/";
case COMMENT_NODE:
return "comment()";
case TEXT_NODE:
return "text()";
case PROCESSING_INSTRUCTION_NODE:
return "processing-instruction()";
}
return "";
}
public String toString()
{
return super.toString() + "[ type: " + nodeType + " ]";
}
}