KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > hsqldb > scriptio > ScriptReaderZipped


1 /* Copyright (c) 2001-2005, The HSQL Development Group
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * Redistributions of source code must retain the above copyright notice, this
8  * list of conditions and the following disclaimer.
9  *
10  * Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * Neither the name of the HSQL Development Group nor the names of its
15  * contributors may be used to endorse or promote products derived from this
16  * software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
22  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30
31
32 package org.hsqldb.scriptio;
33
34 import java.io.BufferedInputStream JavaDoc;
35 import java.io.DataInputStream JavaDoc;
36 import java.io.IOException JavaDoc;
37 import java.io.InputStream JavaDoc;
38 import java.util.zip.Inflater JavaDoc;
39 import java.util.zip.InflaterInputStream JavaDoc;
40
41 import org.hsqldb.Database;
42 import org.hsqldb.HsqlException;
43
44 /**
45  *
46  * @author fredt@users
47  * @since 1.7.2
48  * @version 1.8.0
49  */
50 class ScriptReaderZipped extends ScriptReaderBinary {
51
52     ScriptReaderZipped(Database db,
53                        String JavaDoc file) throws HsqlException, IOException JavaDoc {
54         super(db, file);
55     }
56
57     protected void openFile() throws IOException JavaDoc {
58
59         InputStream JavaDoc d = db.isFilesInJar()
60                         ? getClass().getResourceAsStream(fileName)
61                         : db.getFileAccess().openInputStreamElement(fileName);
62
63         dataStreamIn = new DataInputStream JavaDoc(
64             new BufferedInputStream JavaDoc(
65                 new InflaterInputStream JavaDoc(d, new Inflater JavaDoc()), 1 << 13));
66     }
67 }
68
Popular Tags