Method hasCapability

app/src/main/java/com/sun/mail/pop3/Protocol.java:250–253

Check whether the given capability is supported by this server. Returns true if so, otherwise returns false.

(String c)

     * returns false.
     */
    synchronized boolean hasCapability(String c) {
	return capabilities != null &&
		capabilities.containsKey(c.toUpperCase(Locale.ENGLISH));
    }

    /**
     * Return the map of capabilities returned by the server.