/*
* 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.frameworks.jcr.command.ext;
import org.apache.commons.chain.Command;
import org.apache.commons.chain.Context;
import org.exoplatform.frameworks.jcr.command.DefaultKeys;
import java.util.ArrayList;
import java.util.List;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
/**
* Created by The eXo Platform SAS .
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov</a>
* @version $Id: FilterNodesByTypesCommand.java 5800 2006-05-28 18:03:31Z geaz $
*/
public class FilterNodesByTypesCommand implements Command
{
private String pathKey = DefaultKeys.PATH;
private String incomingNodesKey = DefaultKeys.RESULT;
private String typesKey = "nodeTypes";
private String resultKey = DefaultKeys.RESULT;
public boolean execute(Context context) throws Exception
{
Object obj = context.get(incomingNodesKey);
if (obj == null || !(obj instanceof NodeIterator))
{
throw new IllegalArgumentException("Invalid incoming nodes iterator " + obj);
}
NodeIterator nodes = (NodeIterator)obj;
obj = context.get(typesKey);
if (obj == null || !(obj instanceof String[]))
{
throw new IllegalArgumentException("Invalid node types object, expected String[] " + obj);
}
String[] nts = (String[])context.get(typesKey);
List nodes1 = new ArrayList();
while (nodes.hasNext())
{
Node n = nodes.nextNode();
for (int i = 0; i < nts.length; i++)
{
if (n.isNodeType(nts[i]))
{
nodes1.add(n);
}
}
}
// context.put(resultKey, new EntityCollection(nodes1));
context.put(resultKey, nodes1);
return false;
}
public String getIncomingNodesKey()
{
return incomingNodesKey;
}
public String getPathKey()
{
return pathKey;
}
public String getResultKey()
{
return resultKey;
}
}