Fix the http trigger signatures in tests, samples and docs. Upgrade the azure maven version

Resolves #1088

Author: tzolov

docs/modules/ROOT/pages/adapters/azure-intro.adoc

@@ -74,15 +74,19 @@ public class MyAzureFunction {
 
 	@FunctionName("spring") // <3>
 	public String plainBean( // <4>
-			@HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
-			ExecutionContext context) {
+			@HttpTrigger(name = "req",
+				methods = { HttpMethod.POST },
+				authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+				ExecutionContext context) {
 
 		return this.uppercase.apply(request.getBody().get());
 	}
 
 	@FunctionName("scf") // <3>
 	public String springCloudFunction( // <5>
-			@HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+			@HttpTrigger(name = "req",
+			methods = { HttpMethod.POST },
+			authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
 			ExecutionContext context) {
 
 		// Use SCF composition. Composed functions are not just spring beans but SCF such.
@@ -154,8 +158,10 @@ For that purpose the `AzureFunctionUtil.enhanceInputIfNecessary` allow you to ad
 ----
 @FunctionName("myfunction")
 public String execute(
-	@HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
-	ExecutionContext context) {
+	@HttpTrigger(name = "req",
+		methods = { HttpMethod.POST },
+		authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+		ExecutionContext context) {
 
 	Message message =
 		(Message) AzureFunctionUtil.enhanceInputIfNecessary(request.getBody().get(), context); // <1>

spring-cloud-function-adapters/spring-cloud-function-adapter-azure/src/test/java/org/springframework/cloud/function/adapter/azure/injector/AzureFunctionInstanceInjectorTest.java

@@ -20,6 +20,7 @@
 import java.util.function.Function;
 
 import com.microsoft.azure.functions.ExecutionContext;
+import com.microsoft.azure.functions.HttpMethod;
 import com.microsoft.azure.functions.HttpRequestMessage;
 import com.microsoft.azure.functions.annotation.AuthorizationLevel;
 import com.microsoft.azure.functions.annotation.FunctionName;
@@ -80,7 +81,8 @@ public static class MyAzureFunction {
 
 		@FunctionName("hello")
 		public String execute(
-				@HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+				@HttpTrigger(name = "req", methods = { HttpMethod.GET,
+						HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
 				ExecutionContext context) {
 
 			Message<String> enhancedRequest = (Message<String>) AzureFunctionUtil.enhanceInputIfNecessary(

spring-cloud-function-samples/function-sample-azure-http-trigger/pom.xml

@@ -24,7 +24,7 @@
 		<start-class>com.example.azure.di.httptriggerdemo.HttpTriggerDemoApplication</start-class>
 
 		<!-- AZURE FUNCTION CONFIG -->
-		<azure.functions.maven.plugin.version>1.22.0</azure.functions.maven.plugin.version>
+		<azure.functions.maven.plugin.version>1.28.0</azure.functions.maven.plugin.version>
 		<functionAppName>spring-cloud-function-samples</functionAppName>
 		<functionAppRegion>westus</functionAppRegion>
 		<functionResourceGroup>java-functions-group</functionResourceGroup>
@@ -69,6 +69,7 @@
 					<pricingTier>${functionPricingTier}</pricingTier>
 
 					<hostJson>${project.basedir}/src/main/resources/host.json</hostJson>
+					<localSettingsJson>${project.basedir}/src/main/resources/local.settings.json</localSettingsJson>
 
 					<runtime>
 						<os>linux</os>

spring-cloud-function-samples/function-sample-azure-http-trigger/src/main/java/com/example/azure/di/httptriggerdemo/MyAzureFunction.java

@@ -53,15 +53,17 @@ public class MyAzureFunction {
 
     @FunctionName("bean")
     public String plainBeans(
-            @HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+            @HttpTrigger(name = "req", methods = {
+                    HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
             ExecutionContext context) {
 
         return echo.andThen(uppercase).apply(request.getBody().get());
     }
 
     @FunctionName("scf")
     public String springCloudFunction(
-            @HttpTrigger(name = "req", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+            @HttpTrigger(name = "req", methods = {
+                    HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
             ExecutionContext context) {
 
         // Use SCF composition. Composed functions are not just spring beans but SCF such.

spring-cloud-function-samples/function-sample-azure-http-trigger/src/main/resources/host.json

@@ -2,6 +2,7 @@
     "version": "2.0",
     "extensionBundle": {
         "id": "Microsoft.Azure.Functions.ExtensionBundle",
-        "version": "[3.*, 4.0.0)"
-    }
+        "version": "[4.*, 5.2.0)"
+    },
+    "functionTimeout": "00:10:00"
 }