/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.html.path;
import org.exoplatform.services.html.HTMLDocument;
import org.exoplatform.services.html.HTMLNode;
import org.exoplatform.services.html.parser.HTMLParser;
import org.exoplatform.services.html.path.NodePath.Index;
import java.util.ArrayList;
import java.util.List;
/**
* Author : Nhu Dinh Thuan
* Email:nhudinhthuan@yahoo.com
* Aug 15, 2006
*/
public class NodePathUtil
{
public synchronized static NodePath[] toNodePath(String[] paths) throws Exception
{
NodePath[] values = new NodePath[paths.length];
for (int i = 0; i < paths.length; i++)
{
values[i] = NodePathParser.toPath(paths[i]);
}
return values;
}
public synchronized static void remove(HTMLNode root, NodePath[] paths)
{
if (paths == null)
return;
List<HTMLNode> list = new ArrayList<HTMLNode>();
for (NodePath path : paths)
{
HTMLNode element = lookFor(root, path);
if (element != null)
list.add(element);
}
for (HTMLNode element : list)
{
HTMLNode parent = element.getParent();
parent.getChildren().remove(element);
}
}
public synchronized static HTMLDocument create(HTMLNode root, NodePath[] paths)
{
HTMLNode html = HTMLParser.clone(root);
for (NodePath path : paths)
{
HTMLNode element = lookFor(root, path);
if (element != null)
html.addChild(element);
}
HTMLDocument document = new HTMLDocument();
document.setRoot(html);
return document;
}
public synchronized static HTMLNode lookFor(HTMLNode root, NodePath path)
{
if (path == null)
return null;
Index[] indexs = path.getIndexs();
List<HTMLNode> children = root.getChildren();
if (children == null)
return null;
int count;
for (int i = 0; i < indexs.length - 1; i++)
{
count = 0;
for (int j = 0; j < children.size(); j++)
{
if (children.get(j).isNode(indexs[i].getName()))
{
if (indexs[i].getIdx() == count)
{
root = children.get(j);
children = root.getChildren();
break;
}
count++;
}
}
}
count = 0;
for (int j = 0; j < children.size(); j++)
{
if (children.get(j).isNode(indexs[indexs.length - 1].getName()))
{
if (indexs[indexs.length - 1].getIdx() == count)
return children.get(j);
count++;
}
}
return null;
}
}