01: /*
02: * ProGuard -- shrinking, optimization, obfuscation, and preverification
03: * of Java bytecode.
04: *
05: * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
06: *
07: * This program is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License as published by the Free
09: * 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 interface describes a data entry, e.g. a ZIP entry or a file.
27: *
28: * @author Eric Lafortune
29: */
30: public interface DataEntry {
31: /**
32: * Returns the name of this data entry.
33: */
34: public String getName();
35:
36: /**
37: * Returns an input stream for reading the content of this data entry.
38: */
39: public InputStream getInputStream() throws IOException;
40:
41: /**
42: * Closes the previously retrieved InputStream.
43: */
44: public void closeInputStream() throws IOException;
45:
46: /**
47: * Returns the parent of this data entry, or <code>null</null> if it doesn't
48: * have one.
49: */
50: public DataEntry getParent();
51: }
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