Examples with ClassReader org.objectweb.asm.ClassReader used on opensource projects

Example 71 with ClassReader

use of org.objectweb.asm.ClassReader in project buck by facebook.

the class ClassesImpl method acceptClassVisitor.

@Override
public void acceptClassVisitor(String qualifiedName, int flags, ClassVisitor cv) throws IOException {
    Path classFilePath = resolveClassFilePath(qualifiedName);
    try (InputStream stream = Files.newInputStream(classFilePath)) {
        ClassReader reader = new ClassReader(stream);
        reader.accept(cv, flags);
    }
}

Example 72 with ClassReader

use of org.objectweb.asm.ClassReader in project android_frameworks_base by ParanoidAndroid.

the class AsmAnalyzer method parseZip.

/**
     * Parses a JAR file and returns a list of all classes founds using a map
     * class name => ASM ClassReader. Class names are in the form "android.view.View".
     */
Map<String, ClassReader> parseZip(List<String> jarPathList) throws IOException {
    TreeMap<String, ClassReader> classes = new TreeMap<String, ClassReader>();
    for (String jarPath : jarPathList) {
        ZipFile zip = new ZipFile(jarPath);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        ZipEntry entry;
        while (entries.hasMoreElements()) {
            entry = entries.nextElement();
            if (entry.getName().endsWith(".class")) {
                ClassReader cr = new ClassReader(zip.getInputStream(entry));
                String className = classReaderToClassName(cr);
                classes.put(className, cr);
            }
        }
    }
    return classes;
}

Example 73 with ClassReader

use of org.objectweb.asm.ClassReader in project android_frameworks_base by ParanoidAndroid.

the class AsmGenerator method generate.

/** Generates the final JAR */
public void generate() throws FileNotFoundException, IOException {
    TreeMap<String, byte[]> all = new TreeMap<String, byte[]>();
    for (Class<?> clazz : mInjectClasses) {
        String name = classToEntryPath(clazz);
        InputStream is = ClassLoader.getSystemResourceAsStream(name);
        ClassReader cr = new ClassReader(is);
        byte[] b = transform(cr, true);
        name = classNameToEntryPath(transformName(cr.getClassName()));
        all.put(name, b);
    }
    for (Entry<String, ClassReader> entry : mDeps.entrySet()) {
        ClassReader cr = entry.getValue();
        byte[] b = transform(cr, true);
        String name = classNameToEntryPath(transformName(cr.getClassName()));
        all.put(name, b);
    }
    for (Entry<String, ClassReader> entry : mKeep.entrySet()) {
        ClassReader cr = entry.getValue();
        byte[] b = transform(cr, true);
        String name = classNameToEntryPath(transformName(cr.getClassName()));
        all.put(name, b);
    }
    mLog.info("# deps classes: %d", mDeps.size());
    mLog.info("# keep classes: %d", mKeep.size());
    mLog.info("# renamed     : %d", mRenameCount);
    createJar(new FileOutputStream(mOsDestJar), all);
    mLog.info("Created JAR file %s", mOsDestJar);
}

Example 74 with ClassReader

use of org.objectweb.asm.ClassReader in project android_frameworks_base by ParanoidAndroid.

the class DependencyFinder method findClassesDeps.

/**
     * Finds all dependencies for all classes in keepClasses which are also
     * listed in zipClasses. Returns a map of all the dependencies found.
     */
Map<String, Set<String>> findClassesDeps(Map<String, ClassReader> zipClasses) {
    // The dependencies that we'll collect.
    // It's a map Class name => uses class names.
    Map<String, Set<String>> dependencyMap = new TreeMap<String, Set<String>>();
    DependencyVisitor visitor = getVisitor();
    int count = 0;
    try {
        for (Entry<String, ClassReader> entry : zipClasses.entrySet()) {
            String name = entry.getKey();
            TreeSet<String> set = new TreeSet<String>();
            dependencyMap.put(name, set);
            visitor.setDependencySet(set);
            ClassReader cr = entry.getValue();
            cr.accept(visitor, 0);
            visitor.setDependencySet(null);
            mLog.debugNoln("Visited %d classes\r", ++count);
        }
    } finally {
        mLog.debugNoln("\n");
    }
    return dependencyMap;
}

Example 75 with ClassReader

use of org.objectweb.asm.ClassReader in project android_frameworks_base by ParanoidAndroid.

the class DependencyFinder method parseZip.

// ----------------
/**
     * Parses a JAR file and returns a list of all classes founds using a map
     * class name => ASM ClassReader. Class names are in the form "android.view.View".
     */
Map<String, ClassReader> parseZip(List<String> jarPathList) throws IOException {
    TreeMap<String, ClassReader> classes = new TreeMap<String, ClassReader>();
    for (String jarPath : jarPathList) {
        ZipFile zip = new ZipFile(jarPath);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        ZipEntry entry;
        while (entries.hasMoreElements()) {
            entry = entries.nextElement();
            if (entry.getName().endsWith(".class")) {
                ClassReader cr = new ClassReader(zip.getInputStream(entry));
                String className = classReaderToClassName(cr);
                classes.put(className, cr);
            }
        }
    }
    return classes;
}