org.web4thejob.web.util.ClassConverter Maven / Gradle / Ivy

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/*
 * Copyright (c) 2012-2013 Veniamin Isaias.
 *
 * This file is part of web4thejob.
 *
 * Web4thejob 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 any later version.
 *
 * Web4thejob 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 web4thejob.  If not, see .
 */

package org.web4thejob.web.util;

import org.zkoss.zk.ui.Component;
import org.zkoss.zkplus.databind.TypeConverter;

/**
 * @author Veniamin Isaias
 * @since 3.3.0
 */
public class ClassConverter implements TypeConverter {
    @Override
    public Object coerceToUi(Object val, Component comp) {
        if (val != null) {
            try {
                return Class.forName((String) val);
            } catch (ClassNotFoundException e) {
                throw new RuntimeException("unknown class: " + val.toString());
            }
        }
        return val;
    }

    @Override
    public Object coerceToBean(Object val, Component comp) {
        if (val != null) {
            return ((Class) val).getCanonicalName();
        }
        return null;
    }
}