public static boolean isZipFile()

in src/main/java/org/apache/maven/shared/jarsigner/JarSignerUtil.java [56:66]

• 8 lines of code
• 2 McCabe index (conditional complexity)

    public static boolean isZipFile(final File file) {
        boolean result = false;

        try (ZipInputStream zis = new ZipInputStream(new FileInputStream(file))) {
            result = zis.getNextEntry() != null;
        } catch (Exception e) {
            // ignore, will fail below
        }

        return result;
    }