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package soot.dexpler;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2012 Michael Markert, Frank Hartmann
*
* (c) 2012 University of Luxembourg - Interdisciplinary Centre for
* Security Reliability and Trust (SnT) - All rights reserved
* Alexandre Bartel
*
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.io.File;
import java.util.Map;
import java.util.TreeMap;
import soot.G;
import soot.Singletons;
import soot.SootClass;
import soot.javaToJimple.IInitialResolver.Dependencies;
import soot.tagkit.SourceFileTag;
public class DexResolver {
protected Map<File, DexlibWrapper> cache = new TreeMap<File, DexlibWrapper>();
public DexResolver(Singletons.Global g) {
}
public static DexResolver v() {
return G.v().soot_dexpler_DexResolver();
}
/**
* Resolve the class contained in file into the passed soot class.
*
* @param file
* the path to the dex/apk file to resolve
* @param className
* the name of the class to resolve
* @param sc
* the soot class that will represent the class
* @return the dependencies of this class.
*/
public Dependencies resolveFromFile(File file, String className, SootClass sc) {
DexlibWrapper wrapper = initializeDexFile(file);
Dependencies deps = wrapper.makeSootClass(sc, className);
addSourceFileTag(sc, "dalvik_source_" + file.getName());
return deps;
}
/**
* Initializes the dex wrapper for the given dex file
*
* @param file
* The dex file to load
* @return The wrapper object for the given dex file
*/
protected DexlibWrapper initializeDexFile(File file) {
DexlibWrapper wrapper = cache.get(file);
if (wrapper == null) {
wrapper = new DexlibWrapper(file);
cache.put(file, wrapper);
wrapper.initialize();
}
return wrapper;
}
/**
* adds source file tag to each sootclass
*/
protected static void addSourceFileTag(SootClass sc, String fileName) {
soot.tagkit.SourceFileTag tag = null;
if (sc.hasTag(SourceFileTag.NAME)) {
return; // do not add tag if original class already has debug
// information
} else {
tag = new soot.tagkit.SourceFileTag();
sc.addTag(tag);
}
tag.setSourceFile(fileName);
}
}