private FedoraBinary getBinary(final String extUrl) {
        if (wrappedBinary == null) {
            wrappedBinary = getBinaryImplementation(extUrl);
        }
        return wrappedBinary;
    }
private FedoraBinary getBinary ( final String extUrl ) { if ( wrappedBinary == null ) { wrappedBinary = getBinaryImplementation ( extUrl ) ; } return wrappedBinary ; }
Get the proxied binary content object wrapped by this object

@return the fedora binary