java core 1.2.0 - added method to log byte array

Author: bmoffatt

aws-lambda-java-core/pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>com.amazonaws</groupId>
   <artifactId>aws-lambda-java-core</artifactId>
-  <version>1.1.0</version>
+  <version>1.2.0</version>
   <packaging>jar</packaging>
 
   <name>AWS Lambda Java Core Library</name>

aws-lambda-java-core/src/main/java/com/amazonaws/services/lambda/runtime/ClientContext.java

@@ -6,7 +6,7 @@
 
 /**
  * 
- * Provides information about cLient configuration and execution environment.
+ * Provides information about client configuration and execution environment.
  *
  */
 public interface ClientContext {

aws-lambda-java-core/src/main/java/com/amazonaws/services/lambda/runtime/Context.java

@@ -17,7 +17,7 @@ public interface Context {
 	 * is reused for retries on the same request.
 	 * </p>
 	 */
-	public String getAwsRequestId();
+	String getAwsRequestId();
 
 	/**
 	 * Gets the CloudWatch log group that this container is configured to log
@@ -27,13 +27,13 @@ public interface Context {
 	 * <ul>
 	 * <li>
 	 * If the container is not configured to log to CloudWatch.</li>
-	 * <li>
+         * <li>
 	 * If the role provided to the function does not have sufficient
 	 * permissions.</li>
 	 * </ul>
 	 * </p>
 	 */
-	public String getLogGroupName();
+	String getLogGroupName();
 
 	/**
 	 * Gets the CloudWatch log stream that this container is configured to log
@@ -49,55 +49,55 @@ public interface Context {
 	 * </ul>
 	 * </p>
 	 */
-	public String getLogStreamName();
+	String getLogStreamName();
 
 	/**
 	 * Gets the name of the function being executed.
 	 * 
 	 */
-	public String getFunctionName();
+	String getFunctionName();
 
 	/**
 	 * Gets the version of the function being executed.
 	 * 
 	 */
-	public String getFunctionVersion();
+	String getFunctionVersion();
 
 	/**
 	 * Gets the function Arn of the resource being invoked.
 	 * 
 	 */
-	public String getInvokedFunctionArn();
+	String getInvokedFunctionArn();
 
 	/**
 	 * Gets information about the Amazon Cognito identity provider when invoked
 	 * through the AWS Mobile SDK. It can be null
 	 * 
 	 */
-	public CognitoIdentity getIdentity();
+	CognitoIdentity getIdentity();
 
 	/**
 	 * Gets information about the client application and device when invoked
 	 * through the AWS Mobile SDK. It can be null.
 	 * 
 	 */
-	public ClientContext getClientContext();
+	ClientContext getClientContext();
 
 	/**
 	 * Gets the time remaining for this execution in milliseconds
 	 */
-	public int getRemainingTimeInMillis();
+	int getRemainingTimeInMillis();
 
 	/**
 	 * Gets the memory size configured for the Lambda function
 	 * 
 	 */
-	public int getMemoryLimitInMB();
+	int getMemoryLimitInMB();
 
 	/**
-	 * Gets a the lambda logger instance associated with the context object
+	 * Gets the lambda logger instance associated with the context object
 	 * 
 	 */
-	public LambdaLogger getLogger();
+	LambdaLogger getLogger();
 
 }

aws-lambda-java-core/src/main/java/com/amazonaws/services/lambda/runtime/LambdaLogger.java

@@ -23,8 +23,14 @@ public interface LambdaLogger {
     * </ul>
     * </p>
     * 
-    * @param string A string containing the event to log.
+    * @param message A string containing the event to log.
     */
-    public void log(String string);
+    public void log(String message);
+
+    /**
+     * Logs a byte array to AWS CloudWatch Logs
+     * @param message byte array containing logs
+     */
+    public void log(byte[] message);
 }
 

aws-lambda-java-core/src/main/java/com/amazonaws/services/lambda/runtime/LambdaRuntime.java

@@ -1,13 +1,24 @@
 /* Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved. */
-
 package com.amazonaws.services.lambda.runtime;
 
+import java.io.IOException;
+
 public final class LambdaRuntime {
     private LambdaRuntime() {}
 
     private static volatile LambdaLogger logger = new LambdaLogger() {
-        public void log(String string) {
-            System.out.print(string);
+
+        public void log(String message) {
+            System.out.print(message);
+        }
+
+        public void log(byte[] message) {
+            try {
+                System.out.write(message);
+            } catch (IOException e) {
+                // NOTE: When actually running on AWS Lambda, an IOException would never happen
+                e.printStackTrace();
+            }
         }
     };