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


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): Paul Ferraro
22  * Contributor(s): ______________________.
23  */
24
25 package org.objectweb.cjdbc.common.sql.filters;
26
27 import org.objectweb.cjdbc.common.xml.DatabasesXmlTags;
28
29 /**
30  * This class defines a NoneBlobFilter. It provides a pass-through filter
31  * implementation that defers encoding to the underlying database driver
32  *
33  * @author <a HREF="mailto:pmf8@columbia.edu">Paul Ferraro</a>
34  * @version 1.0
35  */
36 public class NoneBlobFilter extends AbstractBlobFilter
37 {
38   /**
39    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#encode(byte[])
40    */
41   public String JavaDoc encode(byte[] data)
42   {
43     return new String JavaDoc(data);
44   }
45
46   /**
47    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#encode(java.lang.String)
48    */
49   public String JavaDoc encode(String JavaDoc data)
50   {
51     return data;
52   }
53
54   /**
55    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#decode(byte[])
56    */
57   public byte[] decode(byte[] data)
58   {
59     return data;
60   }
61
62   /**
63    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#decode(java.lang.String)
64    */
65   public byte[] decode(String JavaDoc data)
66   {
67     return data.getBytes();
68   }
69
70   /**
71    * @see org.objectweb.cjdbc.common.sql.filters.AbstractBlobFilter#getXml()
72    */
73   public String JavaDoc getXml()
74   {
75     return DatabasesXmlTags.VAL_none;
76   }
77
78 }
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