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Java > Open Source Codes > org > continuent > sequoia > common > sql > filters > HexaBlobFilter


1 /**
2  * Sequoia: Database clustering technology.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: sequoia@continuent.org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  * Initial developer(s): Nicolas Modrzyk
20  * Contributor(s): ______________________.
21  */
22
23 package org.continuent.sequoia.common.sql.filters;
24
25 import org.continuent.sequoia.common.stream.encoding.HexaEncoding;
26 import org.continuent.sequoia.common.xml.DatabasesXmlTags;
27
28 /**
29  * This class defines a HexaBlobFilterInterface. It encodes the blobs in hexa
30  * values
31  *
32  * @author <a HREF="mailto:Nicolas.Modrzyk@inria.fr">Nicolas Modrzyk </a>
33  * @version 1.0
34  */
35 public class HexaBlobFilter extends AbstractBlobFilter
36 {
37
38   /**
39    * @see org.continuent.sequoia.common.sql.filters.AbstractBlobFilter#decode(java.lang.String)
40    */
41   public byte[] decode(String JavaDoc data)
42   {
43     return HexaEncoding.hex2data(data);
44   }
45
46   /**
47    * @see org.continuent.sequoia.common.sql.filters.AbstractBlobFilter#encode(byte[])
48    */
49   public String JavaDoc encode(byte[] data)
50   {
51     return HexaEncoding.data2hex(data);
52   }
53
54   /**
55    * @see org.continuent.sequoia.common.sql.filters.AbstractBlobFilter#getXml()
56    */
57   public String JavaDoc getXml()
58   {
59     return DatabasesXmlTags.VAL_hexa;
60   }
61
62 }
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