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.extensions;
021    
022    import java.util.List;
023    
024    import org.apache.log4j.Logger;
025    import org.mactor.framework.ConfigException;
026    import org.mactor.framework.MactorException;
027    import org.mactor.framework.TestContext;
028    import org.mactor.framework.extensioninterface.ActionCommand;
029    
030    /**
031     * Asserts that the single parameter is null
032     * 
033     * @author Lars Ivar Almli
034     */
035    public class AssertNullValidator implements ActionCommand {
036            private static Logger log = Logger.getLogger(AssertNullValidator.class);
037            public void perform(TestContext context, List<String> params) throws MactorException {
038                    if (params.size() != 1)
039                            throw new ConfigException("Invalid testspec. One parameter expected: [<the value to validate>]>");
040                    log.debug("AssertNullValidator:'" + params.get(0) + "'");
041                    if (params.get(0) != null && !params.get(0).equals("null")) // hack
042                            throw new MactorException("Assertions failed. The value was not null");
043            }
044    }