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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.io;
import java.io.*;
/**
* This interface describes a data entry, e.g. a ZIP entry, a file, or a
* directory.
*
* @author Eric Lafortune
*/
public interface DataEntry
{
/**
* Returns the name of this data entry.
*/
public String getName();
/**
* Returns whether the data entry represents a directory.
*/
public boolean isDirectory();
/**
* Returns an input stream for reading the content of this data entry.
* The data entry may not represent a directory.
*/
public InputStream getInputStream() throws IOException;
/**
* Closes the previously retrieved InputStream.
*/
public void closeInputStream() throws IOException;
/**
* Returns the parent of this data entry, or <code>null</null> if it doesn't
* have one.
*/
public DataEntry getParent();
}
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