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1   /**
2    * This file Copyright (c) 2012 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.googlesitemap.service.query;
35  
36  import info.magnolia.context.MgnlContext;
37  
38  import javax.inject.Singleton;
39  import javax.jcr.NodeIterator;
40  import javax.jcr.query.Query;
41  import javax.jcr.query.QueryManager;
42  import javax.jcr.query.QueryResult;
43  
44  import org.slf4j.Logger;
45  import org.slf4j.LoggerFactory;
46  
47  
48  /**
49   * QueryUtilWrapper used to convert a collection of Content to a NodeIterator.
50   *
51   * @version $Id$
52   *
53   */
54  @Singleton
55  public class QueryUtil {
56  
57     private static final Logger log = LoggerFactory.getLogger(QueryUtil.class);
58  
59     /**
60      * Should be remove when QueryUtil is migrated to JCR 2.0.
61      */
62     public NodeIterator query(String repository, String statement, String language, String returnItemType) {
63         // Init
64         NodeIterator res = null;
65  
66         try {
67             // Get QueryManager
68             QueryManager queryManager = MgnlContext.getJCRSession(repository).getWorkspace().getQueryManager();
69             // Create a query
70             Query query = queryManager.createQuery(statement, language);
71             // Execute the Query
72             QueryResult queryResult = query.execute();
73             //Filter result
74             res = queryResult.getNodes();
75         } catch (Exception e) {
76             log.error("Could not perform Query ",e);
77         }
78  
79         return res;
80     }
81  
82  }