/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: lobochief@users.sourceforge.net
*/
/*
* Created on Oct 9, 2005
*/
package org.lobobrowser.html.js;
import java.util.Collection;
import java.util.Iterator;
import org.lobobrowser.js.AbstractScriptableDelegate;
// TODO: Remove if not used
public class FilteredObjectList extends AbstractScriptableDelegate {
private final Collection<Object> sourceNodeList;
private final ObjectFilter filter;
private final Object lock;
/**
* @param filter
* @param list
*/
public FilteredObjectList(final ObjectFilter filter, final Collection<Object> list, final Object lock) {
super();
this.filter = filter;
sourceNodeList = list;
this.lock = lock;
}
public Object item(final int index) {
synchronized (this.lock) {
int count = 0;
final Iterator<Object> i = this.sourceNodeList.iterator();
while (i.hasNext()) {
final Object node = i.next();
if (this.filter.accept(node)) {
if (count == index) {
return node;
}
count++;
}
}
return null;
}
}
public int getLength() {
synchronized (this.lock) {
int count = 0;
final Iterator<Object> i = this.sourceNodeList.iterator();
while (i.hasNext()) {
final Object node = i.next();
if (this.filter.accept(node)) {
count++;
}
}
return count;
}
}
}