/** * Copyright (C) 2011 JTalks.org Team * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package org.jtalks.jcommune.plugin.api.filters; import org.apache.commons.lang.Validate; import org.jtalks.jcommune.plugin.api.core.Plugin; import org.jtalks.jcommune.plugin.api.core.TopicPlugin; import java.util.Objects; /** * @author Dmitry S. Dolzhenko */ public class TopicTypeFilter implements PluginFilter { private final String topicType; public TopicTypeFilter(String topicType) { Validate.notEmpty(topicType, "Could not lookup plugin by empty topicType: [" + topicType + "]"); this.topicType = topicType; } @SuppressWarnings("SimplifiableIfStatement") @Override public boolean accept(Plugin plugin) { if (!(plugin instanceof TopicPlugin)) { return false; } return Objects.equals(topicType, ((TopicPlugin) plugin).getTopicType()); } }