Client progress

Signed-off-by: Emmanuel Hugonnet <[email protected]>

Author: ehsavoie

client/transport/jsonrpc/pom.xml

@@ -37,6 +37,21 @@
             <groupId>${project.groupId}</groupId>
             <artifactId>a2a-java-sdk-spec-grpc</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java-util</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>

client/transport/jsonrpc/src/main/java/io/a2a/client/transport/jsonrpc/JSONRPCTransport.java

@@ -326,7 +326,7 @@ public AgentCard getAgentCard(@Nullable ClientCallContext context) throws A2ACli
                     .build(); // id will be randomly generated
 
             PayloadAndHeaders payloadAndHeaders = applyInterceptors(GetAuthenticatedExtendedCardRequest.METHOD,
-                    getExtendedAgentCardRequest, agentCard, context);
+                    ProtoUtils.ToProto.extendedAgentCard(getExtendedAgentCardRequest), agentCard, context);
 
             try {
                 String httpResponseBody = sendPostRequest(payloadAndHeaders,GetAuthenticatedExtendedCardRequest.METHOD);
@@ -373,7 +373,7 @@ private A2AHttpClient.PostBuilder createPostBuilder(PayloadAndHeaders payloadAnd
         A2AHttpClient.PostBuilder postBuilder = httpClient.createPost()
                 .url(agentUrl)
                 .addHeader("Content-Type", "application/json")
-                .body(JSONRPCUtils.toJsonRPCString(null, method, (MessageOrBuilder) payloadAndHeaders.getPayload()));
+                .body(JSONRPCUtils.toJsonRPCRequest(null, method, (MessageOrBuilder) payloadAndHeaders.getPayload()));
 
         if (payloadAndHeaders.getHeaders() != null) {
             for (Map.Entry<String, String> entry : payloadAndHeaders.getHeaders().entrySet()) {

client/transport/jsonrpc/src/test/java/io/a2a/client/transport/jsonrpc/JSONRPCTransportTest.java

@@ -212,7 +212,7 @@ public void testA2AClientSendMessageWithError() throws Exception {
             client.sendMessage(params, null);
             fail(); // should not reach here
         } catch (A2AClientException e) {
-            assertTrue(e.getMessage().contains("Invalid parameters: Hello world"));
+            assertTrue(e.getMessage().contains("Invalid parameters: \"Hello world\""),e.getMessage());
         }
     }
 
@@ -562,7 +562,9 @@ public void testA2AClientSendMessageWithFilePart() throws Exception {
         Part<?> part = artifact.parts().get(0);
         assertEquals(Part.Kind.TEXT, part.getKind());
         assertEquals("This is an image of a cat sitting on a windowsill.", ((TextPart) part).getText());
-        assertTrue(task.getMetadata().isEmpty());
+        assertFalse(task.getMetadata().isEmpty());
+        assertEquals(1, task.getMetadata().size());
+        assertEquals("metadata-test", task.getMetadata().get("test"));
     }
 
     @Test