BindProp.java

/*
 * Copyright (C) 2014 Miguel Gamboa at CCISEL
 *
 * This program 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 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package pt.isel.mpd14.probe;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import static pt.isel.mpd14.probe.util.SneakyUtils.throwAsRTException;

/**
 * @author Miguel Gamboa at CCISEL
 */
public class BindProp<T> extends AbstractBindMember<T>{

    private final Map<String, Method> setters = new HashMap<>();

    public BindProp(Class<T> targetKlass) {
        Method[] ms = targetKlass.getMethods();
        for (Method m : ms) {
            String mName = m.getName();
            if (!mName.startsWith("set")) {
                continue;
            }
            if (!(m.getReturnType() == void.class)) {
                continue;
            }
            Class<?>[] paramsKlasses = m.getParameterTypes();
            if (paramsKlasses.length != 1) {
                continue;
            }
            setters.put(m.getName().substring(3).toLowerCase(), m);
            addFormatter(m, targetKlass);
        }
    }

    @Override
    public boolean bind(T target, String key, Object v) {
        try {
            Method m = setters.get(key.toLowerCase());
            if (m != null) {
                Class<?> propType = WrapperUtilites.toWrapper(m.getParameterTypes()[0]);
                if (propType.isAssignableFrom(v.getClass())) {
                    m.setAccessible(true);
                    m.invoke(target, format(m, v));
                    return true;
                }
            }
        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | InstantiationException | NoSuchMethodException ex) {
            throwAsRTException(ex);
        } 
        return false;

    }

}