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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.util;
import java.util.ArrayList;
import java.util.List;
/**
* Data structure which stores contents indexed by path.
*
* @param the element type of the path map
*/
public class CmsPathMap {
/** The tree used for storing the contents. */
private CmsPathTree m_tree = new CmsPathTree();
/**
* Adds an element for the given path, overwriting the previous element for that path if there is one.
*
* @param path the path
* @param value the element to add
*/
public void add(String path, V value) {
m_tree.setValue(splitPath(path), value);
}
/**
* Gets the values for the direct children of the given path.
*
* @param path the path
* @return the child values
*/
public List getChildValues(String path) {
return m_tree.getChildValues(splitPath(path));
}
/**
* Gets the values for the descendants of the path, including the path itself.
*
* @param path the path
* @return the descendant values for the path
*/
public List getDescendantValues(String path) {
return m_tree.getDescendantValues(splitPath(path));
}
/**
* Converts a path into list form.
*
* @param path the path to convert
* @return the list of the path elements
*/
private List splitPath(String path) {
List result = new ArrayList();
for (String token : path.split("/")) {
if ("".equals(token)) {
continue;
}
result.add(token);
}
return result;
}
}