/*
* Copyright (c) 2006-2009 by Dirk Riehle, http://dirkriehle.com
*
* This file is part of the Wahlzeit photo rating application.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
package org.wahlzeit.webparts;
import java.io.IOException;
import java.io.Writer;
import java.util.Iterator;
import java.util.LinkedList;
/**
* A WritableList is a list of Writables.
*/
public class WritableList implements Writable {
/**
*
*/
protected LinkedList<Writable> writables = new LinkedList<Writable>();
/**
*
*/
public WritableList() {
// do nothing
}
/**
*
*/
public void writeOn(Writer out) throws IOException {
for (Iterator<Writable> pi = writables.listIterator(); pi.hasNext(); ) {
Writable part = pi.next();
part.writeOn(out);
}
}
/**
*
*/
public WritableList prepend(Writable w) {
writables.addFirst(w);
return this;
}
/**
*
*/
public WritableList insert(int i, Writable w) {
writables.add(i, w);
return this;
}
/**
*
*/
public WritableList append(Writable w) {
writables.addLast(w);
return this;
}
}