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Java > Open Source Codes > org > objectweb > cjdbc > common > sql > filters > HexaBlobFilter


1 /**
2  * C-JDBC: Clustered JDBC.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: c-jdbc@objectweb.org
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU Lesser General Public License as published by the
9  * Free Software Foundation; either version 2.1 of the License, or any later
10  * version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20  *
21  * Initial developer(s): Nicolas Modrzyk
22  * Contributor(s): ______________________.
23  */
24
25 package org.objectweb.cjdbc.common.sql.filters;
26
27 import org.objectweb.cjdbc.common.stream.encoding.HexaEncoding;
28 import org.objectweb.cjdbc.common.xml.DatabasesXmlTags;
29
30 /**
31  * This class defines a HexaBlobFilterInterface. It encodes the blobs in hexa
32  * values
33  *
34  * @author <a HREF="mailto:Nicolas.Modrzyk@inria.fr">Nicolas Modrzyk </a>
35  * @version 1.0
36  */
37 public class HexaBlobFilter extends AbstractBlobFilter
38 {
39
40   /**
41    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#decode(java.lang.String)
42    */
43   public byte[] decode(byte[] data)
44   {
45     return HexaEncoding.hex2data(new String JavaDoc(data));
46   }
47
48   /**
49    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#encode(java.lang.String)
50    */
51   public String JavaDoc encode(String JavaDoc data)
52   {
53     return encode(data.getBytes());
54   }
55
56   /**
57    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#decode(java.lang.String)
58    */
59   public byte[] decode(String JavaDoc data)
60   {
61     return HexaEncoding.hex2data(data);
62   }
63
64   /**
65    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#encode(byte[])
66    */
67   public String JavaDoc encode(byte[] data)
68   {
69     return HexaEncoding.data2hex(data);
70   }
71
72   /**
73    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#getXml()
74    */
75   public String JavaDoc getXml()
76   {
77     return DatabasesXmlTags.VAL_hexa;
78   }
79
80 }
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