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This Jackrabbit subproject is an object/JCR persistence and
query service. This tools lets you to persist java objects into
a JCR compliant repository - including association, inheritance,
polymorphism, composition, and the Java collections framework.
Furthermore, this jcr-mapping allows you to express queries in
Java-based Criteria, as well as in JCR query language. It offers
also features like version support and object locking.
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.ocm.repository;
import org.apache.jackrabbit.ocm.exception.JcrMappingException;
import org.apache.jackrabbit.ocm.exception.ObjectContentManagerException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Utility class for managing JCR nodes.
*
*
* @author Lombart Christophe
* @version $Id: Exp $
*/
public class NodeUtil
{
/** Item path separator */
public static final String PATH_SEPARATOR = "/";
private final static Logger log = LoggerFactory.getLogger(NodeUtil.class);
/**
* Check if a path is valid
*
* @param path The path to validate
* @return true if the path is valid, else false
*/
public static boolean isValidPath(String path)
{
if ((path == null) ||
(path.equals(PATH_SEPARATOR)) ||
(path.endsWith(PATH_SEPARATOR)) ||
(! path.startsWith(PATH_SEPARATOR)) ||
(path.equals("")))
{
return false;
}
return true;
}
/**
* Get the parent path
* @param path The path from wich the parent path has to be returned
* @return The parent path
*
* @throws ObjectContentManagerException when the path is invalid
*/
public static String getParentPath(String path) throws ObjectContentManagerException
{
String parentPath = "";
if (!isValidPath(path))
{
throw new JcrMappingException("Invalid path : " + path);
}
String[] pathElements = path.split(PATH_SEPARATOR);
// Firts path element should be = empty string because a uri always start with '/'
// So, if len=2, means it is a root folder like '/foo'.
// In this case the uri has not parent folder => return "/"
if (pathElements.length == 2)
{
return PATH_SEPARATOR;
}
for(int i=0; i < pathElements.length -1; i++)
{
if (! pathElements[i].equals(""))
{
parentPath += PATH_SEPARATOR + pathElements[i];
}
}
return parentPath;
}
/**
* Get the node name
* @param path The path from which the node name has to be retrieved
* @return The node name
*
* @throws ObjectContentManagerException when the path is invalid
*/
public static String getNodeName(String path) throws ObjectContentManagerException
{
String[] pathElements = path.split(PATH_SEPARATOR);
if (! isValidPath(path))
{
throw new JcrMappingException("Invalid path : " + path);
}
return pathElements[pathElements.length-1];
}
}
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