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jPOS is an ISO-8583 based financial transaction library/framework that can be customized and extended in order to implement financial interchanges.

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/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2014 Alejandro P. Revilla
 *
 * 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 .
 */

package org.jpos.ui.factory;

import org.jdom.Element;
import org.jpos.ui.UI;
import org.jpos.ui.UIFactory;

import javax.swing.*;
import java.awt.*;
import java.util.Iterator;

/**
 * @author Alejandro Revilla
 *
 * creates a panel with a grid layout
 * i.e:
 *  *  <grid rows="yy" columns="xx">
 *   <cell>...</cell>
 *   <cell>...</cell>
 *   <cell>...</cell>
 *   ...
 *   ...
 *  </grid>
 * 
 * @see org.jpos.ui.UIFactory
 */
public class GridLayoutFactory implements UIFactory {
    public JComponent create (UI ui, Element e) {
        JComponent p;
        try {
            int rows = Integer.parseInt (e.getAttributeValue  ("rows", "1"));
            int cols = Integer.parseInt (e.getAttributeValue ("columns", "1"));
            p = new JPanel (new GridLayout (rows, cols));
            Iterator iter = e.getChildren ("cell").iterator ();
            while (iter.hasNext())
                p.add (ui.create ((Element) iter.next ()));
        } catch (Exception ex) {
            p = new JLabel (ex.getMessage());
        }
        return p;
    }
}