[camel] 01/02: CAMEL-14690 - Camel-AWS2: Better logging when checking client instance in the registry, Lambda

[acosentino]

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commit df1edfb1785084fb6d10a8de4feb1ff06925f5c1
Author: Andrea Cosentino <anco...@gmail.com>
AuthorDate: Tue Mar 10 16:30:47 2020 +0100

    CAMEL-14690 - Camel-AWS2: Better logging when checking client instance in 
the registry, Lambda
---
 .../component/aws2/lambda/Lambda2Component.java    | 24 +++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git 
a/components/camel-aws2-lambda/src/main/java/org/apache/camel/component/aws2/lambda/Lambda2Component.java
 
b/components/camel-aws2-lambda/src/main/java/org/apache/camel/component/aws2/lambda/Lambda2Component.java
index a86b8d4..f5cc874 100644
--- 
a/components/camel-aws2-lambda/src/main/java/org/apache/camel/component/aws2/lambda/Lambda2Component.java
+++ 
b/components/camel-aws2-lambda/src/main/java/org/apache/camel/component/aws2/lambda/Lambda2Component.java
@@ -24,6 +24,10 @@ import org.apache.camel.Endpoint;
 import org.apache.camel.spi.Metadata;
 import org.apache.camel.spi.annotations.Component;
 import org.apache.camel.support.DefaultComponent;
+import org.apache.camel.util.ObjectHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import software.amazon.awssdk.services.lambda.LambdaClient;
 
 /**
@@ -31,6 +35,8 @@ import software.amazon.awssdk.services.lambda.LambdaClient;
  */
 @Component("aws2-lambda")
 public class Lambda2Component extends DefaultComponent {
+       
+    private static final Logger LOG = 
LoggerFactory.getLogger(Lambda2Component.class);
 
     @Metadata
     private Lambda2Configuration configuration = new Lambda2Configuration();
@@ -51,7 +57,7 @@ public class Lambda2Component extends DefaultComponent {
         Lambda2Endpoint endpoint = new Lambda2Endpoint(uri, this, 
configuration);
         setProperties(endpoint, parameters);
         endpoint.setFunction(remaining);
-        checkAndSetRegistryClient(configuration);
+        checkAndSetRegistryClient(configuration, endpoint);
         if (configuration.getAwsLambdaClient() == null && 
(configuration.getAccessKey() == null || configuration.getSecretKey() == null)) 
{
             throw new IllegalArgumentException("accessKey/secretKey or 
awsLambdaClient must be specified");
         }
@@ -70,10 +76,18 @@ public class Lambda2Component extends DefaultComponent {
         this.configuration = configuration;
     }
 
-    private void checkAndSetRegistryClient(Lambda2Configuration configuration) 
{
-        Set<LambdaClient> clients = 
getCamelContext().getRegistry().findByType(LambdaClient.class);
-        if (clients.size() == 1) {
-            
configuration.setAwsLambdaClient(clients.stream().findFirst().get());
+    private void checkAndSetRegistryClient(Lambda2Configuration configuration, 
Lambda2Endpoint endpoint) {
+        if 
(ObjectHelper.isEmpty(endpoint.getConfiguration().getAwsLambdaClient())) {
+            LOG.debug("Looking for an LambdaClient instance in the registry");
+            Set<LambdaClient> clients = 
getCamelContext().getRegistry().findByType(LambdaClient.class);
+            if (clients.size() == 1) {
+                LOG.debug("Found exactly one LambdaClient instance in the 
registry");
+                
configuration.setAwsLambdaClient(clients.stream().findFirst().get());
+            } else {
+                LOG.debug("No LambdaClient instance in the registry");
+            }
+        } else {
+            LOG.debug("LambdaClient instance is already set at endpoint level: 
skipping the check in the registry");
         }
     }
 }