org.apache.taglibs.standard.extra.spath.RelativePath Maven / Gradle / Ivy
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/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*/
package org.apache.taglibs.standard.extra.spath;
import java.util.List;
import java.util.Vector;
/**
* Represents a relative SPath expression.
*
* @author Shawn Bayern
*/
public class RelativePath extends Path {
private RelativePath next;
private Step step;
/**
* Constructs a new RelativePath object, based on a Step and another
* (possibly null) RelativePath. If 'all' is true, then the path
* matches all instances of 'next' underneath 'step'; otherwise;
* 'next' must be an immediate child of 'step'.
*/
public RelativePath(Step step, RelativePath next) {
if (step == null)
throw new IllegalArgumentException("non-null step required");
this.step = step;
this.next = next;
}
// inherit JavaDoc comment
public List getSteps() {
// simply merge our 'step' with our 'next'
List l;
if (next != null)
l = next.getSteps();
else
l = new Vector();
l.add(0, step);
return l;
}
}