private String getSsmParameter()

in src/main/java/com/amazonaws/fixengineonaws/FixEngineConfig.java [139:193]
51 lines of code
8 McCabe index (conditional complexity)

    private String getSsmParameter(String parameterName) {
	    LOGGER.info("FIXENGINECONFIG **********GET SSM PARAMETER looking up parameterPath/parameterName: " + parameterPath + "/" + parameterName + " using SSM_CLIENT: " + SSM_CLIENT);
    	if(System.getProperty("os.name").contains("Windows")) {
    		LOGGER.info("FIXENGINECONFIG GET SSM PARAMETER PATH returning dummy value because we're running on Windows not Unix");
//    		return new HashMap<String, String>();
    		if("GLOBAL_ACCELERATOR_ENDPOINT_ARN".equals(parameterName)) {
    			return "arn:aws:elasticloadbalancing:us-east-1:XXXXXXXXXXXX:loadbalancer/net/FixEn-Prima-XXXXXXXXXXXX/XXXXXXXXXXXXXXXX";
    		}
//          update arn with account number- replace XXXXXXXXXXXX with numbers
    		HashMap<String, String> ret = new HashMap<String, String>();
    		ret.put("SenderCompID","client");
    		ret.put("ConnectionType","initiator");
    		ret.put("PrimaryMSKEndpoint","b-1.fixengineonaws-client.pupo46.c6.kafka.us-east-1.amazonaws.com");
    		ret.put("KafkaConnTLS","false");
    		ret.put("TargetCompID","server");
    		ret.put("KafkaPort","9092");
    		ret.put("DebugLogging","true");
    		ret.put("FIXServerPort","9877");
    		ret.put("FailoverMSKEndpoint","b-2.fixengineonaws-client.pupo46.c6.kafka.us-east-1.amazonaws.com");
    		ret.put("FIXServerDNSName","XXXXXXXXXXXXXXXXX.awsglobalaccelerator.com");
    		ret.put("ApplicationID","client");
    		ret.put("RDSClusterSecretArn","arn:aws:secretsmanager:us-east-1:XXXXXXXXXXXX:secret:RDSClusterAdminSecret-XXXXXXXXXXXX-XXXXXX");
    		ret.put("RDSClusterNonAdminSecretArn","arn:aws:secretsmanager:us-east-1:XXXXXXXXXXXX:secret:RDSClusterNonAdminSecret-XXXXXXXXXXXX-XXXXXX");
    		ret.put("GlobalAcceleratorEndpointGroupArn", "arn:aws:elasticloadbalancing:us-east-1:XXXXXXXXXXXX:loadbalancer/net/FixEn-Failo-XXXXXXXXXXXX/XXXXXXXXXXXXXXXX");
    		return(ret.get(parameterName));
    	}

    	if("GLOBAL_ACCELERATOR_ENDPOINT_ARN".equals(parameterName)) {
		    String GAEndpointArn = System.getenv(parameterName);
		    LOGGER.fine("FIXENGINECONFIG GET SSM PARAMETER PATH got GA endpoint env var  : [" + parameterName + "] value [" + GAEndpointArn + "]");
		    if(GAEndpointArn == null) {
		        LOGGER.severe("FIXENGINECONFIG GET SSM PARAMETER unable to find System Environment Variable (that should contain the CloudFormation stack name that created all SSM parameters) called: " + parameterName);
		    }
		    return GAEndpointArn;
    	}
    	
    	if(SSM_CLIENT == null) {
    		LOGGER.info("FIXENGINECONFIG SSM_CLIENT is null, so creating it now...");
    		SSM_CLIENT = AWSSimpleSystemsManagementClientBuilder.standard().build();
    		if(SSM_CLIENT == null) {
    			LOGGER.severe("FIXENGINECONFIG GET SSM PARAMETER unable to create an AWSSimpleSystemsManagementClientBuilder! Check IAM privileges to see if your process has enough access to read params!");
    		}
    	}
        String key = parameterPath + "/" + parameterName;
        try {
            GetParameterRequest parametersRequest = new GetParameterRequest().withName(key).withWithDecryption(false);
            GetParameterResult parameterResult = SSM_CLIENT.getParameter(parametersRequest);
            String value = parameterResult.getParameter().getValue();
            LOGGER.fine("FIXENGINECONFIG GET SSM PARAMETER got key : [" + key + "] value [" + value + "]");
            return value;
        } catch (Exception e) {
            LOGGER.fine("FIXENGINECONFIG GET SSM PARAMETER unable to get key : [" + key + "] : " + e);
            throw e;
        }
    }