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.portal.kernel.repository.cmis.search;
016    
017    import com.liferay.portal.kernel.util.StringBundler;
018    import com.liferay.portal.kernel.util.StringPool;
019    
020    import java.util.List;
021    
022    /**
023     * @author Mika Koivisto
024     */
025    public class CMISConjunction extends CMISJunction {
026    
027            @Override
028            public String toQueryFragment() {
029                    if (isEmpty()) {
030                            return StringPool.BLANK;
031                    }
032    
033                    List<CMISCriterion> cmisCriterions = list();
034    
035                    StringBundler sb = new StringBundler(cmisCriterions.size() * 2 + 1);
036    
037                    if (cmisCriterions.size() > 1) {
038                            sb.append(StringPool.OPEN_PARENTHESIS);
039                    }
040    
041                    for (int i = 0; i < cmisCriterions.size(); i++) {
042                            CMISCriterion cmisCriterion = cmisCriterions.get(i);
043    
044                            if (i != 0) {
045                                    sb.append(" AND ");
046                            }
047    
048                            sb.append(cmisCriterion.toQueryFragment());
049                    }
050    
051                    if (cmisCriterions.size() > 1) {
052                            sb.append(StringPool.CLOSE_PARENTHESIS);
053                    }
054    
055                    return sb.toString();
056            }
057    
058    }