Method readNumber

app/src/main/java/com/sun/mail/iap/Response.java:336–351

Extract an integer, starting at the current position. Updates the internal index to beyond the number. Returns -1 if a number was not found. @return a number

()

     * @return  a number
     */
    public int readNumber() {
	// Skip leading spaces
	skipSpaces();

        int start = index;
        while (index < size && Character.isDigit((char)buffer[index]))
            index++;

        if (index > start) {
	    try {
		return ASCIIUtility.parseInt(buffer, start, index);
	    } catch (NumberFormatException nex) { }
	}

	return -1;
    }

    /**
     * Extract a long number, starting at the current position. Updates the