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/*
 * Copyright (c) 2007 Pyxis Technologies inc.
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; 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 com.greenpepper.util;

import java.lang.reflect.Method;
import java.util.Comparator;
import java.util.Map;

/**
 * Bean class.
 *
 * @author oaouattara
 * @version $Id: $Id
 */
public class Bean
{
    private final Object target;

    /**
     * Constructor for Bean.
     *
     * @param target a {@link java.lang.Object} object.
     */
    public Bean( Object target )
    {
        this.target = target;
    }

    /**
     * setProperties.
     *
     * @param properties a {@link java.util.Map} object.
     */
    public void setProperties( Map properties )
    {
        Introspector introspector = new Introspector( target.getClass(), new PropertyComparator() );
        for (Map.Entry property : properties.entrySet())
        {
            Method setter = introspector.getSetter( property.getKey() );
            if (setter != null) invoke( setter, property.getValue() );
        }
    }

    private void invoke( Method method, Object value )
    {
        try
        {
            method.invoke( target, value );
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException( String.format( "%s to method %s", value, method.getName() ), e );
        }
    }

    public static class PropertyComparator implements Comparator
    {
        public int compare( String s1, String s2 )
        {
            return NameUtils.decapitalize( s1 ).compareTo( NameUtils.decapitalize( s2 ) );
        }

    }
}