fix: use DataPart.fromJson() instead of constructor in a2a-java SUT

jmesnil · claude · jmesnil · commit 1fc9dc8bf956 · 2026-04-01T10:20:00.000+02:00
The a2a-java SDK changed the DataPart API to allow using raw JSON directly (from a2aproject/a2a-java#778). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
diff --git a/codegen/java_emitter.py b/codegen/java_emitter.py
@@ -264,7 +264,7 @@ def _single_part_to_java(part: PartDef) -> str:
         )
 
     if isinstance(part, DataPartDef):
-        return f"new DataPart({_java_string(part.json_content)})"
+        return f"DataPart.fromJson({_java_string(part.json_content)})"
 
     msg = f"Unknown part type: {type(part).__name__}"
     raise ValueError(msg)
diff --git a/sut/a2a-java/src/main/java/org/a2aproject/sdk/TckAgentExecutorProducer.java b/sut/a2a-java/src/main/java/org/a2aproject/sdk/TckAgentExecutorProducer.java
@@ -103,7 +103,7 @@ public void execute(RequestContext context, AgentEmitter emitter) throws A2AErro
                 }
 
                 if (messageId.startsWith("tck-artifact-data")) {
-                    emitter.addArtifact(List.of(new DataPart("{\"key\": \"value\", \"count\": 42}")), null, null, null);
+                    emitter.addArtifact(List.of(DataPart.fromJson("{\"key\": \"value\", \"count\": 42}")), null, null, null);
                     emitter.complete();
                     return;
                 }

Original file line number	Diff line number	Diff line change
`@@ -264,7 +264,7 @@ def _single_part_to_java(part: PartDef) -> str:`
`264`	`264`	`)`
`265`	`265`
`266`	`266`	`if isinstance(part, DataPartDef):`
`267`		`- return f"new DataPart({_java_string(part.json_content)})"`
	`267`	`+ return f"DataPart.fromJson({_java_string(part.json_content)})"`
`268`	`268`
`269`	`269`	`msg = f"Unknown part type: {type(part).__name__}"`
`270`	`270`	`raise ValueError(msg)`
Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ public void execute(RequestContext context, AgentEmitter emitter) throws A2AErro`
`103`	`103`	`}`
`104`	`104`
`105`	`105`	`if (messageId.startsWith("tck-artifact-data")) {`
`106`		`- emitter.addArtifact(List.of(new DataPart("{\"key\": \"value\", \"count\": 42}")), null, null, null);`
	`106`	`+ emitter.addArtifact(List.of(DataPart.fromJson("{\"key\": \"value\", \"count\": 42}")), null, null, null);`
`107`	`107`	`emitter.complete();`
`108`	`108`	`return;`
`109`	`109`	`}`