A few fixes

Author: kabir

examples/simple/README.md

@@ -88,5 +88,26 @@ mvn clean install -Pgrpc -f server/pom.xml
 mvn exec:java -f client/pom.xml -Prun-grpc -Duser.name=Kabir
 ````
 
-You should see the output: `Agent responds: Hello kabir`
+You should see the output: `Agent responds: Hello Kabir`
+
+### HTTP+JSON/REST
+
+1. Build the server
+````shell
+mvn clean install -Prest -f server/pom.xml
+````
+
+2. Start the server
+
+````shell
+./server/target/wildfly/bin/standalone.sh --stability=preview
+````
+
+3. Run the client
+
+````shell
+mvn exec:java -f client/pom.xml -Prun-rest -Duser.name=Kabir
+````
+
+You should see the output: `Agent responds: Hello Kabir`
 

examples/simple/client/src/main/java/org/wildfly/extras/a2a/examples/simple/client/SimpleExampleClient.java

@@ -45,13 +45,11 @@ public SimpleExampleClient(String protocol) throws A2AClientError, A2AClientExce
         ClientBuilder clientBuilder = Client.builder(agentCard)
                 .clientConfig(config);
 
-        if (protocol.equals(TransportProtocol.JSONRPC.name())) {
-            clientBuilder.withTransport(JSONRPCTransport.class, new JSONRPCTransportConfigBuilder());
-        } else if (protocol.equals(TransportProtocol.HTTP_JSON.asString())) {
-            clientBuilder.withTransport(RestTransport.class, new RestTransportConfigBuilder());
-        } else {
-            // 'target' comes from the AgentCard, and is populated by a2a-java
-            clientBuilder.withTransport(
+        TransportProtocol prot = TransportProtocol.fromString(protocol);
+        switch (prot) {
+            case JSONRPC -> clientBuilder.withTransport(JSONRPCTransport.class, new JSONRPCTransportConfigBuilder());
+            case HTTP_JSON -> clientBuilder.withTransport(RestTransport.class, new RestTransportConfigBuilder());
+            case GRPC -> clientBuilder.withTransport(
                     GrpcTransport.class,
                     new GrpcTransportConfigBuilder().channelFactory(
                             target -> {