}

    /**
     * Extracts the file contained in a gzip archive. The extracted file is placed in the exact same path as the file specified.
     *
     * @param file the archive file
     * @throws FileNotFoundException thrown if the file does not exist
     * @throws IOException thrown if there is an error extracting the file.
     */
    private void extractGzip(File file) throws FileNotFoundException, IOException {
        //TODO - move this to a util class as it is duplicative of (copy of) code in the DownloadTask
        final String originalPath = file.getPath();
        final File gzip = new File(originalPath + ".gz");
        if (gzip.isFile() && !gzip.delete()) {
            gzip.deleteOnExit();
        }
        if (!file.renameTo(gzip)) {
            throw new IOException("Unable to rename '" + file.getPath() + "'");
        }
        final File newfile = new File(originalPath);

        final byte[] buffer = new byte[4096];

        GZIPInputStream cin = null;
        FileOutputStream out = null;
        try {
            cin = new GZIPInputStream(new FileInputStream(gzip));
            out = new FileOutputStream(newfile);

            int len;
            while ((len = cin.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
        } finally {
            if (cin != null) {
                try {
                    cin.close();
                } catch (IOException ex) {
                    LOGGER.trace("ignore", ex);
                }
            }
            if (out != null) {
                try {
                    out.close();
                } catch (IOException ex) {
                    LOGGER.trace("ignore", ex);
                }
            }
            if (gzip.isFile()) {
                FileUtils.deleteQuietly(gzip);
            }
        }
    }
}

    public void initializeFileTypeAnalyzer() throws Exception {
        final File baseDir = Settings.getTempDirectory();
        tempFileLocation = File.createTempFile("check", "tmp", baseDir);
        if (!tempFileLocation.delete()) {
            final String msg = String.format("Unable to delete temporary file '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
        if (!tempFileLocation.mkdirs()) {
            final String msg = String.format("Unable to create directory '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
    }

    /**
     * Deletes any files extracted from the JAR during analysis.
     */
    @Override
    public void close() {
        if (tempFileLocation != null && tempFileLocation.exists()) {
            LOGGER.debug("Attempting to delete temporary files");
            final boolean success = FileUtils.delete(tempFileLocation);
            if (!success) {
                LOGGER.warn("Failed to delete some temporary files, see the log for more details");
            }
        }
    }

    /**
     * Determines if the key value pair from the manifest is for an "import" type entry for package names.
     *
     * @param key the key from the manifest
     * @param value the value from the manifest
     * @return true or false depending on if it is believed the entry is an "import" entry
     */
    private boolean isImportPackage(String key, String value) {

    @Override
    public void initializeFileTypeAnalyzer() throws Exception {
        final File baseDir = Settings.getTempDirectory();
        tempFileLocation = File.createTempFile("check", "tmp", baseDir);
        if (!tempFileLocation.delete()) {
            final String msg = String.format("Unable to delete temporary file '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
        if (!tempFileLocation.mkdirs()) {
            final String msg = String.format("Unable to create directory '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
    }

    /**
     * The close method deletes any temporary files and directories created during analysis.
     *
     * @throws Exception thrown if there is an exception deleting temporary files
     */
    @Override
    public void close() throws Exception {

    public void initializeFileTypeAnalyzer() throws Exception {
        final File baseDir = Settings.getTempDirectory();
        tempFileLocation = File.createTempFile("check", "tmp", baseDir);
        if (!tempFileLocation.delete()) {
            final String msg = String.format("Unable to delete temporary file '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
        if (!tempFileLocation.mkdirs()) {
            final String msg = String.format("Unable to create directory '%s'.", tempFileLocation.getAbsolutePath());
            throw new AnalysisException(msg);
        }
    }

    /**
     * The close method deletes any temporary files and directories created during analysis.
     *
     * @throws Exception thrown if there is an exception deleting temporary files
     */
    @Override
    public void close() throws Exception {