| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2013 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.IOException; |
| import java.util.zip.*; |
| |
| /** |
| * This DataEntryReader lets a given DataEntryReader read all data entries of |
| * the read jar/war/zip data entries. |
| * |
| * @author Eric Lafortune |
| */ |
| public class JarReader implements DataEntryReader |
| { |
| private final DataEntryReader dataEntryReader; |
| |
| |
| /** |
| * Creates a new JarReader. |
| */ |
| public JarReader(DataEntryReader dataEntryReader) |
| { |
| this.dataEntryReader = dataEntryReader; |
| } |
| |
| |
| // Implementation for DataEntryReader. |
| |
| public void read(DataEntry dataEntry) throws IOException |
| { |
| ZipInputStream zipInputStream = new ZipInputStream(dataEntry.getInputStream()); |
| |
| try |
| { |
| // Get all entries from the input jar. |
| while (true) |
| { |
| // Can we get another entry? |
| ZipEntry zipEntry = zipInputStream.getNextEntry(); |
| if (zipEntry == null) |
| { |
| break; |
| } |
| |
| // Delegate the actual reading to the data entry reader. |
| dataEntryReader.read(new ZipDataEntry(dataEntry, |
| zipEntry, |
| zipInputStream)); |
| } |
| } |
| finally |
| { |
| dataEntry.closeInputStream(); |
| } |
| } |
| } |