DataEntryReaderFactory.java revision b9cc48a43ed984587c939d02fba5316bf5c0df6e
1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 5b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option) 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version. 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details. 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc., 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.io.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.util.*; 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport java.util.List; 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This class can create DataEntryReader instances based on class path entries. 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * The readers will unwrap the input data entries from any jars, wars, ears, 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * and zips, before passing them to a given reader. 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class DataEntryReaderFactory 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates a DataEntryReader that can read the given class path entry. 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @param messagePrefix a prefix for messages that are printed out. 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @param classPathEntry the input class path entry. 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @param reader a data entry reader to which the reading of actual 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * classes and resource files can be delegated. 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @return a DataEntryReader for reading the given class path entry. 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public static DataEntryReader createDataEntryReader(String messagePrefix, 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato ClassPathEntry classPathEntry, 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato DataEntryReader reader) 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 51b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang boolean isJar = classPathEntry.isJar(); 52b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang boolean isWar = classPathEntry.isWar(); 53b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang boolean isEar = classPathEntry.isEar(); 54b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang boolean isZip = classPathEntry.isZip(); 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List filter = classPathEntry.getFilter(); 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List jarFilter = classPathEntry.getJarFilter(); 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List warFilter = classPathEntry.getWarFilter(); 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List earFilter = classPathEntry.getEarFilter(); 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List zipFilter = classPathEntry.getZipFilter(); 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato System.out.println(messagePrefix + 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato (isJar ? "jar" : 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato isWar ? "war" : 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato isEar ? "ear" : 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato isZip ? "zip" : 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato "directory") + 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato " [" + classPathEntry.getName() + "]" + 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato (filter != null || 70b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato jarFilter != null || 71b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato warFilter != null || 72b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato earFilter != null || 73b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato zipFilter != null ? " (filtered)" : "")); 74b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 75b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Add a filter, if specified. 76b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (filter != null) 77b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 78b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader = new FilteredDataEntryReader( 79b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new DataEntryNameFilter( 80b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new ListParser(new FileNameParser()).parse(filter)), 81b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader); 82b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 83b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 84b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Unzip any jars, if necessary. 85b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader = wrapInJarReader(reader, isJar, jarFilter, ".jar"); 86b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (!isJar) 87b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 88b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Unzip any wars, if necessary. 89b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader = wrapInJarReader(reader, isWar, warFilter, ".war"); 90b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (!isWar) 91b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 92b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Unzip any ears, if necessary. 93b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader = wrapInJarReader(reader, isEar, earFilter, ".ear"); 94b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (!isEar) 95b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 96b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Unzip any zips, if necessary. 97b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader = wrapInJarReader(reader, isZip, zipFilter, ".zip"); 98b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 99b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 100b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 101b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 102b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return reader; 103b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 104b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 105b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 106b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 107b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Wraps the given DataEntryReader in a JarReader, filtering it if necessary. 108b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 109b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private static DataEntryReader wrapInJarReader(DataEntryReader reader, 110b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato boolean isJar, 111b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato List jarFilter, 112b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato String jarExtension) 113b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 114b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Unzip any jars, if necessary. 115b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato DataEntryReader jarReader = new JarReader(reader); 116b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 117b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (isJar) 118b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 119b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Always unzip. 120b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return jarReader; 121b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 122b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato else 123b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 124b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Add a filter, if specified. 125b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (jarFilter != null) 126b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 127b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato jarReader = new FilteredDataEntryReader( 128b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new DataEntryNameFilter( 129b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new ListParser(new FileNameParser()).parse(jarFilter)), 130b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato jarReader); 131b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 132b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 133b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Only unzip the right type of jars. 134b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return new FilteredDataEntryReader( 135b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new DataEntryNameFilter( 136b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato new ExtensionMatcher(jarExtension)), 137b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato jarReader, 138b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato reader); 139b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 140b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 141b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 142