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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2013 jOpenDocument, by ILM Informatique. All rights reserved.
*
* The contents of this file are subject to the terms of the GNU
* General Public License Version 3 only ("GPL").
* You may not use this file except in compliance with the License.
* You can obtain a copy of the License at http://www.gnu.org/licenses/gpl-3.0.html
* See the License for the specific language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each file.
*
*/
package org.jopendocument.util;
/**
* @author Sylvain CUAZ
*/
public final class XPathUtils {
/**
* Compute the parent of a path. Note : path must lead to an element.
*
* @param path the path with at least one slash, eg "./elem".
* @return the parent of path, eg ".".
*/
public final static String parentOf(String path) {
return path.substring(0, path.lastIndexOf('/'));
}
/**
* Compute the name of the last part of the path.
*
* @param path the path, eg "./elem" or "elem".
* @return the name, eg "elem".
*/
public final static String basename(String path) {
return path.substring(path.lastIndexOf('/') + 1);
}
/**
* Compute the namespace prefix of a qualified name. NOTE : this also works if qName is a path,
* eg "./office:body/office:text".
*
* @param qName a qualified name, eg "office:text".
* @return the prefix or null
if there's none, eg "office".
*/
public final static String namespace(String qName) {
qName = basename(qName);
final int colonIndex = qName.lastIndexOf(':');
if (colonIndex < 0)
return null;
else
return qName.substring(0, colonIndex);
}
/**
* Compute the local name of a qualified name. NOTE : this also works if qName is a path, eg
* "./office:body/office:text" or if there's no prefix, eg "./office:body/child".
*
* @param qName a qualified name, eg "office:text".
* @return the local name, eg "text".
*/
public final static String localName(String qName) {
qName = basename(qName);
return qName.substring(qName.lastIndexOf(':') + 1);
}
private XPathUtils() {
// static only
}
}