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Java > Open Source Codes > proguard > io > ParentDataEntryWriter


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This program 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 General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */

21 package proguard.io;
22
23 import java.io.*;
24
25 /**
26  * This DataEntryWriter lets another DataEntryWriter write the parent data
27  * entries.
28  *
29  * @author Eric Lafortune
30  */

31 public class ParentDataEntryWriter implements DataEntryWriter
32 {
33     private DataEntryWriter dataEntryWriter;
34
35
36     /**
37      * Creates a new ParentDataEntryWriter.
38      * @param dataEntryWriter the DataEntryWriter to which the writing will be
39      * delegated, passing the data entries' parents.
40      */

41     public ParentDataEntryWriter(DataEntryWriter dataEntryWriter)
42     {
43         this.dataEntryWriter = dataEntryWriter;
44     }
45
46
47     // Implementations for DataEntryWriter.
48

49     public OutputStream getOutputStream(DataEntry dataEntry) throws IOException
50     {
51         return getOutputStream(dataEntry, null);
52     }
53
54
55     public OutputStream getOutputStream(DataEntry dataEntry,
56                                         Finisher finisher) throws IOException
57     {
58         return dataEntryWriter.getOutputStream(dataEntry.getParent(),
59                                                finisher);
60     }
61
62
63     public void close() throws IOException
64     {
65         dataEntryWriter.close();
66     }
67 }
68
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