public static boolean isArchiveSigned()

in src/main/java/org/apache/maven/shared/jarsigner/JarSignerUtil.java [150:167]

• 15 lines of code
• 4 McCabe index (conditional complexity)

    public static boolean isArchiveSigned(final File jarFile) throws IOException {
        if (jarFile == null) {
            throw new NullPointerException("jarFile");
        }

        try (ZipInputStream in = new ZipInputStream(new BufferedInputStream(new FileInputStream(jarFile)))) {
            boolean signed = false;

            for (ZipEntry ze = in.getNextEntry(); ze != null; ze = in.getNextEntry()) {
                if (isSignatureFile(ze.getName())) {
                    signed = true;
                    break;
                }
            }

            return signed;
        }
    }