001 /******************************************************************************
002 * Copyright (C) MActor Developers. All rights reserved. *
003 * ---------------------------------------------------------------------------*
004 * This file is part of MActor. *
005 * *
006 * MActor is free software; you can redistribute it and/or modify *
007 * it under the terms of the GNU General Public License as published by *
008 * the Free Software Foundation; either version 2 of the License, or *
009 * (at your option) any later version. *
010 * *
011 * MActor is distributed in the hope that it will be useful, *
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
014 * GNU General Public License for more details. *
015 * *
016 * You should have received a copy of the GNU General Public License *
017 * along with MActor; if not, write to the Free Software *
018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
019 ******************************************************************************/
020 package org.mactor.framework.commandexecutors.java;
021
022 import java.util.List;
023
024 import org.mactor.brokers.Message;
025 import org.mactor.framework.MactorException;
026 import org.mactor.framework.ReflectionUtil;
027 import org.mactor.framework.commandexecutors.MessageSelectorCommandExecutor;
028 import org.mactor.framework.extensioninterface.MessageSelectorCommand;
029
030 public class JavaMessageSelectorCommandExecutor implements MessageSelectorCommandExecutor {
031 private List<String> params;
032 private String command;
033 public JavaMessageSelectorCommandExecutor(String command, List<String> params) {
034 this.command = command;
035 this.params = params;
036 }
037 public void setParams(List<String> params) throws MactorException {
038 // ignore
039 }
040 private MessageSelectorCommand getCommandImpl() throws MactorException {
041 Object c = ReflectionUtil.createInstance(this.command);
042 if (!(c instanceof MessageSelectorCommand))
043 throw new MactorException("The command '" + command + "' does not implement the required interface '" + MessageSelectorCommand.class.getName() + "'");
044 return (MessageSelectorCommand) c;
045 }
046 public boolean isAcceptableMessage(Message message) throws MactorException {
047 MessageSelectorCommand sc = getCommandImpl();
048 sc.setParams(params);
049 return sc.isAcceptableMessage(message);
050 }
051 }