Add support for different handler->function mappings in Azure

spring-cloud-function-samples/function-sample-azure/src/main/azure/local.settings.json

@@ -2,6 +2,7 @@
   "IsEncrypted": false,
   "Values": {
     "AzureWebJobsStorage": "",
-    "AzureWebJobsDashboard": ""
+    "AzureWebJobsDashboard": "",
+    "FUNCTIONS_WORKER_RUNTIME": "java"
   }
 }

spring-cloud-function-samples/function-sample-azure/src/main/azure/uppercase/function.json

@@ -1,21 +0,0 @@
-{
-	"scriptFile": "../function-sample-azure-2.0.0.BUILD-SNAPSHOT-azure.jar",
-	"entryPoint": "example.FooHandler.execute",
-	"bindings": [
-		{
-			"type": "httpTrigger",
-			"name": "foo",
-			"direction": "in",
-			"authLevel": "anonymous",
-			"methods": [
-				"post"
-			]
-		},
-		{
-			"type": "http",
-			"name": "$return",
-			"direction": "out"
-		}
-	],
-	"disabled": false
-}

spring-cloud-function-samples/function-sample-azure/src/main/java/example/FooHandler.java

@@ -17,6 +17,10 @@
 package example;
 
 import com.microsoft.azure.functions.ExecutionContext;
+import com.microsoft.azure.functions.HttpMethod;
+import com.microsoft.azure.functions.annotation.AuthorizationLevel;
+import com.microsoft.azure.functions.annotation.FunctionName;
+import com.microsoft.azure.functions.annotation.HttpTrigger;
 
 import org.springframework.cloud.function.adapter.azure.AzureSpringBootRequestHandler;
 
@@ -24,8 +28,11 @@ import org.springframework.cloud.function.adapter.azure.AzureSpringBootRequestHa
  * @author Soby Chacko
  */
 public class FooHandler extends AzureSpringBootRequestHandler<Foo, Bar> {
-
-	public Bar execute(Foo foo, ExecutionContext context) {
+	@FunctionName("uppercase")
+	public Bar execute(
+			@HttpTrigger(name = "req", methods = { HttpMethod.GET,
+					HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS) Foo foo,
+			ExecutionContext context) {
 		return handleRequest(foo, context);
 	}