protected MapMessage createJMSMapMessage()

in shims/qpid-jms/src/main/java/org/apache/qpid/interop_test/jms_messages_test/Sender.java [218:270]
53 lines of code
14 McCabe index (conditional complexity)

    protected MapMessage createJMSMapMessage(String testValueType, String testValue, int testValueNum) throws Exception, JMSException {
        MapMessage message = _session.createMapMessage();
        String name = String.format("%s%03d", testValueType, testValueNum);
        switch (testValueType) {
        case "boolean":
            message.setBoolean(name, Boolean.parseBoolean(testValue));
            break;
        case "byte":
            message.setByte(name, Byte.decode(testValue));
            break;
        case "bytes":
            message.setBytes(name, Base64.getDecoder().decode(testValue));
            break;
        case "char":
            byte[] decodedValue = Base64.getDecoder().decode(testValue);
            if (decodedValue.length == 1) { // Char format: "X" or "\xNN"
                message.setChar(name, (char)decodedValue[0]);
            } else if (decodedValue.length == 6) { // Char format: "\xNNNN"
                message.setChar(name, ByteBuffer.wrap(decodedValue).getChar());
            } else {
                throw new Exception("JmsSenderShim.createJMSMapMessage() Malformed char string: \"" + decodedValue + "\"");
            }
            break;
        case "double":
            Long l1 = Long.parseLong(testValue.substring(2, 3), 16) << 60;
            Long l2 = Long.parseLong(testValue.substring(3), 16);
            message.setDouble(name, Double.longBitsToDouble(l1 | l2));
            break;
        case "float":
            Long i = Long.parseLong(testValue.substring(2), 16);
            message.setFloat(name, Float.intBitsToFloat(i.intValue()));
            break;
        case "int":
            message.setInt(name, Integer.decode(testValue));
            break;
        case "long":
            message.setLong(name, Long.decode(testValue));
            break;
        case "object":
            Object obj = (Object)createObject(testValue);
            message.setObject(name, obj);
            break;
        case "short":
            message.setShort(name, Short.decode(testValue));
            break;
        case "string":
            message.setString(name, testValue);
            break;
        default:
            throw new Exception("Internal exception: Unexpected JMS message sub-type \"" + testValueType + "\"");
        }
        return message;
    }