private static Manifest getManifest()

in src/main/java/org/apache/sling/installer/core/impl/Util.java [59:98]

• 31 lines of code
• 7 McCabe index (conditional complexity)

    private static Manifest getManifest(final RegisteredResource rsrc, final Logger logger)
    throws IOException {
        final InputStream ins = rsrc.getInputStream();

        Manifest result = null;

        if ( ins != null ) {
            JarInputStream jis = null;
            try {
                jis = new JarInputStream(ins);
                result= jis.getManifest();

                // SLING-2288 : if this is a jar file, but the manifest is not the first entry
                //              log a warning
                if ( rsrc.getURL().endsWith(".jar") && result == null ) {
                    logger.warn("Resource {} does not have the manifest as its first entry in the archive. If this is " +
                                "a bundle, make sure to put the manifest first in the jar file.", rsrc.getURL());
                }
            } finally {

                // close the jar stream or the inputstream, if the jar
                // stream is set, we don't need to close the input stream
                // since closing the jar stream closes the input stream
                if (jis != null) {
                    try {
                        jis.close();
                    } catch (IOException ignore) {
                    }
                } else {
                    try {
                        ins.close();
                    } catch (IOException ignore) {
                    }
                }
            }
        } else {
            logger.debug("Unable to get input stream from {}", rsrc);
        }
        return result;
    }