1 files changed, 100 insertions, 0 deletions
diff --git a/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/ErrorLogger.java b/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/ErrorLogger.java
new file mode 100644
index 000000000..47f6526e9
--- /dev/null
+++ b/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/ErrorLogger.java
@@ -0,0 +1,100 @@
+package org.onap.ccsdk.sli.core.sli;
+
+import org.onap.logging.ref.slf4j.ONAPLogConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+
+public class ErrorLogger {
+	public static final int ERROR_CODE_100 = 100;
+	public static final int ERROR_CODE_200 = 200;
+	public static final int ERROR_CODE_300 = 300;
+	public static final int ERROR_CODE_400 = 400;
+	public static final int ERROR_CODE_500 = 500;
+	public static final int ERROR_CODE_900 = 900;
+
+	private static final String DEFAULT_100_DESCRIPTION = "Permission Error";
+	private static final String DEFAULT_200_DESCRIPTION = "Availability Error or Timeout";
+	private static final String DEFAULT_300_DESCRIPTION = "Data Error";
+	private static final String DEFAULT_400_DESCRIPTION = "Schema Error";
+	private static final String DEFAULT_500_DESCRIPTION = "Business Process Error";
+	private static final String DEFAULT_900_DESCRIPTION = "Unknown Error";
+	private Logger log;
+	
+	public ErrorLogger() {
+		this.log = LoggerFactory.getLogger(ErrorLogger.class);
+	}
+	
+	public ErrorLogger(Logger log) {
+		this.log = log;	
+	}
+
+	public void logError(String message, int errorCode) {
+		createLogEntry(message, errorCode, null, null);
+	}
+
+	public void logError(String message, int errorCode, Exception e) {
+		createLogEntry(message, errorCode, null, e);
+	}
+
+	public void logError(String message, int errorCode, String description) {
+		createLogEntry(message, errorCode, description, null);
+	}
+
+	public void logError(String message, int errorCode, String description, Exception e) {
+		createLogEntry(message, errorCode, description, e);
+	}
+
+	public void createLogEntry(String message, int errorCode, String description, Exception e) {
+		//If the error code isn't valid default it to unknown error code
+		if(!isValidCode(errorCode)) {
+			errorCode = 900;
+		}
+	
+		MDC.put(ONAPLogConstants.MDCs.ERROR_CODE, String.valueOf(errorCode));
+
+		if (description == null || description.isEmpty()) {
+			description = getDefaultDescription(errorCode);
+		}
+
+		MDC.put(ONAPLogConstants.MDCs.ERROR_DESC, description);
+		if (e != null) {
+			log.error(message, e);
+		} else {
+			log.error(message);
+		}
+		clearKeys();
+	}
+
+	public boolean isValidCode(int errorCode) {
+		if (errorCode == ERROR_CODE_100 || errorCode == ERROR_CODE_200 || errorCode == ERROR_CODE_300 || errorCode == ERROR_CODE_400 || errorCode == ERROR_CODE_500
+				|| errorCode == ERROR_CODE_900) {
+			return true;
+		}
+		return false;
+	}
+
+	public String getDefaultDescription(int errorCode) {
+		if (errorCode == ERROR_CODE_100) {
+			return DEFAULT_100_DESCRIPTION;
+		}
+		if (errorCode == ERROR_CODE_200) {
+			return DEFAULT_200_DESCRIPTION;
+		}
+		if (errorCode == ERROR_CODE_300) {
+			return DEFAULT_300_DESCRIPTION;
+		}
+		if (errorCode == ERROR_CODE_400) {
+			return DEFAULT_400_DESCRIPTION;
+		}
+		if (errorCode == ERROR_CODE_500) {
+			return DEFAULT_500_DESCRIPTION;
+		}
+		return DEFAULT_900_DESCRIPTION;
+	}
+
+	public void clearKeys() {
+		MDC.remove(ONAPLogConstants.MDCs.ERROR_CODE);
+		MDC.remove(ONAPLogConstants.MDCs.ERROR_DESC);
+	}
+}