/*
 * Copyright 2012, 2013 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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, or (at your
 * option) any later version.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.client.swing.internal;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

import com.redhat.thermostat.client.core.Filter;
import com.redhat.thermostat.client.core.NameMatchingRefFilter;
import com.redhat.thermostat.client.osgi.service.DecoratorProvider;
import com.redhat.thermostat.client.swing.IconResource;
import com.redhat.thermostat.client.ui.Decorator;
import com.redhat.thermostat.client.ui.IconDescriptor;
import com.redhat.thermostat.common.dao.HostRef;
import com.redhat.thermostat.common.utils.StreamUtils;

public class HostIconDecoratorProvider implements DecoratorProvider<HostRef> {

    private final Filter<HostRef> anyHost = new NameMatchingRefFilter<HostRef>();

    @Override
    public Decorator getDecorator() {
        return new IconDecorator();
    }

    @Override
    public Filter<HostRef> getFilter() {
        return anyHost;
    }

    private static class IconDecorator implements Decorator {

        private final IconDescriptor icon;

        public IconDecorator() {
            IconDescriptor icon = null;
            try {
                InputStream in = new FileInputStream(IconResource.HOST.getPath());
                icon = new IconDescriptor(ByteBuffer.wrap(StreamUtils.readAll(in)));
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
            this.icon = icon;
        }

        @Override
        public String getLabel(String originalLabel) {
            return originalLabel;
        }

        @Override
        public IconDescriptor getIconDescriptor() {
            return icon;
        }

        @Override
        public Quadrant getQuadrant() {
            return Quadrant.MAIN;
        }

    }

}