001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.asset.util;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.util.ArrayUtil;
019    import com.liferay.portlet.asset.AssetTagException;
020    import com.liferay.portlet.messageboards.model.MBDiscussion;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class MinimalAssetEntryValidator extends BaseAssetEntryValidator {
026    
027            @Override
028            public void validate(
029                            long groupId, String className, long[] categoryIds,
030                            String[] tagNames)
031                    throws PortalException {
032    
033                    if (!className.equals(MBDiscussion.class.getName()) &&
034                            ArrayUtil.isEmpty(tagNames)) {
035    
036                            throw new AssetTagException(AssetTagException.AT_LEAST_ONE_TAG);
037                    }
038            }
039    
040    }