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Java > Open Source Codes > org > xquark > extractor > sybase > sql > SfConcat


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program 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 program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23 package org.xquark.extractor.sybase.sql;
24
25
26 import java.util.List JavaDoc;
27
28 import org.xquark.extractor.sql.Context;
29 import org.xquark.extractor.sql.SqlExpression;
30
31 public class SfConcat extends org.xquark.extractor.sql.SfConcat
32 {
33
34     private static final String JavaDoc RCSRevision = "$Revision: 1.4 $";
35     private static final String JavaDoc RCSName = "$Name: $";
36
37
38     public SfConcat() {
39         super();
40     }
41
42     public SfConcat(List JavaDoc arguments) {
43         super(arguments);
44     }
45
46     public String JavaDoc toSql (Context context)
47     {
48         //Trace.enter(this,"toSql");
49
50         StringBuffer JavaDoc retVal = new StringBuffer JavaDoc();
51         List JavaDoc args = getArguments();
52
53         for (int i = 0; i < args.size(); i++) {
54             SqlExpression item = (SqlExpression)args.get(i);
55             retVal.append(item.toSql(context));
56             retVal.append(" + ");
57         }
58         retVal.delete(retVal.length()-4,retVal.length()-1);
59
60         //Trace.exit(this,"toSql");
61 return retVal.toString();
62     }
63 }
64
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