1. Project Clover database Tue Dec 20 2016 21:24:09 CET
  2. Package org.xwiki.query.xwql.internal.hql

File XWQLtoHQLTranslator.java

 

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Classes

Class Line # Actions
XWQLtoHQLTranslator 38 16 0% 8 0
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Contributing tests

This file is covered by 12 tests. .

Source view

1    /*
2    * See the NOTICE file distributed with this work for additional
3    * information regarding copyright ownership.
4    *
5    * This is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU Lesser General Public License as
7    * published by the Free Software Foundation; either version 2.1 of
8    * the License, or (at your option) any later version.
9    *
10    * This software is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13    * Lesser General Public License for more details.
14    *
15    * You should have received a copy of the GNU Lesser General Public
16    * License along with this software; if not, write to the Free
17    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
19    */
20    package org.xwiki.query.xwql.internal.hql;
21   
22    import javax.inject.Inject;
23    import javax.inject.Named;
24    import javax.inject.Singleton;
25   
26    import org.xwiki.query.jpql.internal.JPQLParser;
27    import org.xwiki.query.jpql.node.Start;
28    import org.xwiki.query.xwql.internal.QueryAnalyzer;
29    import org.xwiki.query.xwql.internal.QueryContext;
30    import org.xwiki.query.xwql.internal.QueryTranslator;
31    import org.xwiki.query.Query;
32    import org.xwiki.bridge.DocumentAccessBridge;
33    import org.xwiki.component.annotation.Component;
34   
35    @Component
36    @Named("hql")
37    @Singleton
 
38    public class XWQLtoHQLTranslator implements QueryTranslator
39    {
40    @Inject
41    protected DocumentAccessBridge documentAccessBridge;
42   
 
43  1032 toggle @Override
44    public String translate(String input) throws Exception
45    {
46  1032 input = input.trim();
47  1032 String lcInput = input.toLowerCase();
48  1032 String addition = "select doc.fullName from Document as doc ";
49  1032 if (lcInput.startsWith("where") || lcInput.startsWith("order") || lcInput.length() == 0) {
50  18 input = addition + input;
51  1014 } else if (lcInput.startsWith("from")) {
52  186 input = addition + "," + input.substring(4);
53    }
54  1032 JPQLParser parser = new JPQLParser();
55  1032 Start tree = parser.parse(input);
56  1032 QueryContext context = new QueryContext(tree, getDocumentAccessBridge());
57    // analize query and store info in context
58  1032 tree.apply(new QueryAnalyzer(context));
59   
60  1032 Printer printer = getPrinter(context);
61  1032 return printer.print();
62    }
63   
 
64  1000 toggle @Override
65    public String getOutputLanguage()
66    {
67  1000 return Query.HQL;
68    }
69   
 
70  1032 toggle protected Printer getPrinter(QueryContext context)
71    {
72  1032 return new Printer(context, this);
73    }
74   
 
75  1000 toggle public DocumentAccessBridge getDocumentAccessBridge()
76    {
77  1000 return documentAccessBridge;
78    }
79    }