/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2005,2007 University of Maryland
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.plan;

import edu.umd.cs.findbugs.DetectorFactory;
import edu.umd.cs.findbugs.Plugin;

/**
 * DetectorFactorySelector implementation that chooses detectors based on an
 * implemented interface or extended superclass.
 *
 * @author David Hovemeyer
 */
public class ByInterfaceDetectorFactorySelector implements DetectorFactorySelector {
    private final Plugin plugin;

    private final Class<?> detectorInterface;

    public ByInterfaceDetectorFactorySelector(Plugin plugin, Class<?> detectorInterface) {
        this.plugin = plugin;
        this.detectorInterface = detectorInterface;
    }

    @Override
    public boolean selectFactory(DetectorFactory factory) {
        if (plugin != null && factory.getPlugin() != plugin) {
            return false;
        }
        return factory.isDetectorClassSubtypeOf(detectorInterface);
    }
}
