BusinessCollection.java

package org.fnppl.opensdx.common;

/*
 * Copyright (C) 2010-2015 
 * 							fine people e.V. <opensdx@fnppl.org> 
 * 							Henning Thieß <ht@fnppl.org>
 * 
 * 							http://fnppl.org
*/

/*
 * Software license
 *
 * As far as this file or parts of this file is/are software, rather than documentation, this software-license applies / shall be applied.
 *  
 * This file is part of openSDX
 * openSDX 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 3 of the License, or
 * (at your option) any later version.
 * 
 * openSDX 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * and GNU General Public License along with openSDX.
 * If not, see <http://www.gnu.org/licenses/>.
 *      
 */

/*
 * Documentation license
 * 
 * As far as this file or parts of this file is/are documentation, rather than software, this documentation-license applies / shall be applied.
 * 
 * This file is part of openSDX.
 * Permission is granted to copy, distribute and/or modify this document 
 * under the terms of the GNU Free Documentation License, Version 1.3 
 * or any later version published by the Free Software Foundation; 
 * with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. 
 * A copy of the license is included in the section entitled "GNU 
 * Free Documentation License" resp. in the file called "FDL.txt".
 * 
 */

import java.util.Vector;

import org.fnppl.opensdx.xml.ChildElementIterator;
import org.fnppl.opensdx.xml.Element;
import org.fnppl.opensdx.xml.XMLElementable;

/**
 * 
 * @author Bertram Boedeker <bboedeker@gmx.de>
 * 
 */
public abstract class BusinessCollection<E> implements XMLElementable {
	
	public abstract String getKeyname();
	private Vector<E> list = new Vector<E>(); 
	
	public Element toElement() {
		Element resultElement = new Element(getKeyname());
		for (E b : list) {
			if (b instanceof XMLElementable) {
				Element e = ((XMLElementable)b).toElement();
				if (e!=null) {
					resultElement.addContent(e);
				}
			}
		}
		return resultElement;
	}

	public void add(E object) {
		list.add(object);
	}
	
	public void set(E item) {
		if (!(item instanceof BusinessItem)) throw new RuntimeException("wrong usage of BusinessCollection.set Method!");
		String name = ((BusinessItem)item).getKeyname();
		boolean add = true;
		for (int i=0;i<list.size() && add;i++) {
			if (list.get(i) instanceof BusinessItem) {
				if (((BusinessItem)list.get(i)).getKeyname().equals(name)) {
					list.set(i, item);
					add = false;
					break;
				}
			}
		}
		if (add) {
			list.add(item);
		}
	}
	
	public void remove(int index) {
		if (index<0 || index >= list.size()) return;
		list.remove(index);
	}
	
	public int indexOf(E object) {
		return list.indexOf(object);
	}
	
	public void moveUp(int ind) {
		if (ind<1) return;
		E element1 = list.get(ind-1);
		E element2 = list.get(ind);
		list.set(ind-1,element2);
		list.set(ind,element1);
	}
	
	public void moveDown(int ind) {
		if (ind>=list.size()-1) return;
		E element1 = list.get(ind+1);
		E element2 = list.get(ind);
		list.set(ind+1,element2);
		list.set(ind,element1);
	}
	
	public void removeAll() {
		list.removeAllElements();
	}
	
	public E get(int i) {
		return list.get(i);
	}
	
	public int size() {
		return list.size();
	}
}