protected BytesMessage createJMSBytesMessage()

in shims/qpid-jms/src/main/java/org/apache/qpid/interop_test/jms_hdrs_props_test/Sender.java [270:319]
50 lines of code
13 McCabe index (conditional complexity)

    protected BytesMessage createJMSBytesMessage(String testValueType, String testValue) throws Exception, JMSException {
        BytesMessage message = _session.createBytesMessage();
        switch (testValueType) {
        case "boolean":
            message.writeBoolean(Boolean.parseBoolean(testValue));
            break;
        case "byte":
            message.writeByte(Byte.decode(testValue));
            break;
        case "bytes":
            message.writeBytes(Base64.getDecoder().decode(testValue));
            break;
        case "char":
            byte[] decodedValue = Base64.getDecoder().decode(testValue);
            if (decodedValue.length == 1) { // Char format: "X" or "\xNN"
                message.writeChar((char)decodedValue[0]);
            } else {
                throw new Exception("JmsSenderShim.createJMSBytesMessage() Malformed char string: \"" + decodedValue + "\" of length " + decodedValue.length);
            }
            break;
        case "double":
            Long l1 = Long.parseLong(testValue.substring(2, 3), 16) << 60;
            Long l2 = Long.parseLong(testValue.substring(3), 16);
            message.writeDouble(Double.longBitsToDouble(l1 | l2));
            break;
        case "float":
            Long i = Long.parseLong(testValue.substring(2), 16);
            message.writeFloat(Float.intBitsToFloat(i.intValue()));
            break;
        case "int":
            message.writeInt(Integer.decode(testValue));
            break;
        case "long":
            message.writeLong(Long.decode(testValue));
            break;
        case "object":
            Object obj = (Object)createObject(testValue);
            message.writeObject(obj);
            break;
        case "short":
            message.writeShort(Short.decode(testValue));
            break;
        case "string":
            message.writeUTF(testValue);
            break;
        default:
            throw new Exception("Internal exception: Unexpected JMS message sub-type \"" + testValueType + "\"");
        }
        return message;
    }