public static File unpackArchive()

in src/main/java/org/apache/servicemix/util/FileUtil.java [130:160]

29 lines of code
7 McCabe index (conditional complexity)


    public static File unpackArchive(File theFile, File targetDir)
            throws IOException {
        if (!theFile.exists()) {
            throw new IOException(theFile.getAbsolutePath() + " does not exist");
        }
        if (!buildDirectory(targetDir)) {
            throw new IOException("Could not create directory: " + targetDir);
        }
        ZipFile zipFile;
        zipFile = new ZipFile(theFile);
        for (Enumeration entries = zipFile.entries(); entries.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            File file = new File(targetDir, File.separator + entry.getName());
            // Take the sledgehammer approach to creating directories
            // to work around ZIP's that incorrectly miss directories
            if (!buildDirectory(file.getParentFile())) {
                throw new IOException("Could not create directory: "
                        + file.getParentFile());
            }
            if (!entry.isDirectory()) {
                copyInputStream(zipFile.getInputStream(entry),
                        new BufferedOutputStream(new FileOutputStream(file)));
            } else {
                if (!buildDirectory(file)) {
                    throw new IOException("Could not create directory: " + file);
                }
            }
        }
        zipFile.close();
        return theFile;
    }