Examples with ZipDexContainer org.jf.dexlib2.dexbacked.ZipDexContainer used on opensource projects

Example 1 with ZipDexContainer

use of org.jf.dexlib2.dexbacked.ZipDexContainer in project smali by JesusFreke.

the class DexFileFactory method loadDexContainer.

/**
     * Loads a file containing 1 or more dex files
     *
     * If the given file is a dex or odex file, it will return a MultiDexContainer containing that single entry.
     * Otherwise, for an oat or zip file, it will return an OatFile or ZipDexContainer respectively.
     *
     * @param file The file to open
     * @param opcodes The set of opcodes to use
     * @return A MultiDexContainer
     * @throws DexFileNotFoundException If the given file does not exist
     * @throws UnsupportedFileTypeException If the given file is not a valid dex/zip/odex/oat file
     */
public static MultiDexContainer<? extends DexBackedDexFile> loadDexContainer(@Nonnull File file, @Nonnull final Opcodes opcodes) throws IOException {
    if (!file.exists()) {
        throw new DexFileNotFoundException("%s does not exist", file.getName());
    }
    ZipDexContainer zipDexContainer = new ZipDexContainer(file, opcodes);
    if (zipDexContainer.isZipFile()) {
        return zipDexContainer;
    }
    InputStream inputStream = new BufferedInputStream(new FileInputStream(file));
    try {
        try {
            DexBackedDexFile dexFile = DexBackedDexFile.fromInputStream(opcodes, inputStream);
            return new SingletonMultiDexContainer(file.getPath(), dexFile);
        } catch (DexBackedDexFile.NotADexFile ex) {
        // just eat it
        }
        try {
            DexBackedOdexFile odexFile = DexBackedOdexFile.fromInputStream(opcodes, inputStream);
            return new SingletonMultiDexContainer(file.getPath(), odexFile);
        } catch (DexBackedOdexFile.NotAnOdexFile ex) {
        // just eat it
        }
        // Note: DexBackedDexFile.fromInputStream and DexBackedOdexFile.fromInputStream will reset inputStream
        // back to the same position, if they fails
        OatFile oatFile = null;
        try {
            oatFile = OatFile.fromInputStream(inputStream);
        } catch (NotAnOatFileException ex) {
        // just eat it
        }
        if (oatFile != null) {
            // TODO: we should support loading earlier oat files, just not deodexing them
            if (oatFile.isSupportedVersion() == OatFile.UNSUPPORTED) {
                throw new UnsupportedOatVersionException(oatFile);
            }
            return oatFile;
        }
    } finally {
        inputStream.close();
    }
    throw new UnsupportedFileTypeException("%s is not an apk, dex, odex or oat file.", file.getPath());
}