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Java > Open Source Codes > org > hsqldb > lib > FileAccess


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.lib;
33
34 import java.io.InputStream JavaDoc;
35 import java.io.OutputStream JavaDoc;
36
37 /**
38  * Interface for abstraction of file access.
39  *
40  * @author Ocke Janssen oj@openoffice.org
41  * @version 1.8.0
42  * @since 1.80
43  */
44 public interface FileAccess {
45
46     int ELEMENT_READ = 1;
47     int ELEMENT_SEEKABLEREAD = 3;
48     int ELEMENT_WRITE = 4;
49     int ELEMENT_READWRITE = 7;
50     int ELEMENT_TRUNCATE = 8;
51
52     InputStream JavaDoc openInputStreamElement(java.lang.String JavaDoc streamName)
53     throws java.io.IOException JavaDoc;
54
55     OutputStream JavaDoc openOutputStreamElement(java.lang.String JavaDoc streamName)
56     throws java.io.IOException JavaDoc;
57
58     boolean isStreamElement(java.lang.String JavaDoc elementName);
59
60     void createParentDirs(java.lang.String JavaDoc filename);
61
62     void removeElement(java.lang.String JavaDoc filename);
63
64     void renameElement(java.lang.String JavaDoc oldName, java.lang.String JavaDoc newName);
65
66     public interface FileSync {
67         void sync() throws java.io.IOException JavaDoc;
68     }
69
70     FileSync getFileSync(OutputStream JavaDoc os) throws java.io.IOException JavaDoc;
71 }
72
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