1 files changed, 98 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/protocol/JsonRpcResponse.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/protocol/JsonRpcResponse.java
new file mode 100644
index 0000000000..8186d89030
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/protocol/JsonRpcResponse.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.binding.jsonrpc.protocol;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+
+import org.apache.tuscany.sca.databinding.json.jackson.JacksonHelper;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.node.JsonNodeFactory;
+import org.codehaus.jackson.node.ObjectNode;
+
+/**
+ * When the method invocation completes, the service must reply with a response. The response is a single object serialized using JSON.
+ * <br>
+ * It has three properties:
+ * 
+ * <ul>
+ * <li>result - The Object that was returned by the invoked method. This must be null in case there was an error invoking the method.
+ * <li>error - An Error object if there was an error invoking the method. It must be null if there was no error.
+ * <li>id - This must be the same id as the request it is responding to.
+ * </ul> 
+ */
+public abstract class JsonRpcResponse {
+    public static final int REMOTE_EXCEPTION = 490;
+
+    protected ObjectNode jsonNode;
+
+    public JsonRpcResponse(ObjectNode response) {
+        super();
+        this.jsonNode = response;
+    }
+
+    public JsonRpcResponse(JsonNode id, Throwable t) {
+        super();
+        ObjectNode response = JsonNodeFactory.instance.objectNode();
+        response.put("id", id);
+        // response.put("result", JsonNodeFactory.instance.nullNode());
+        response.put("error", mapError(t));
+        this.jsonNode = response;
+    }
+
+    public JsonRpcResponse(JsonNode id, JsonNode result) {
+        super();
+        ObjectNode response = JsonNodeFactory.instance.objectNode();
+        response.put("id", id);
+        response.put("result", result);
+        // response.put("error", JsonNodeFactory.instance.nullNode());
+        this.jsonNode = response;
+    }
+
+    private ObjectNode mapError(Throwable t) {
+        ObjectNode obj = JsonNodeFactory.instance.objectNode();
+        // obj.put("msg", t.getMessage());
+        obj.put("code", REMOTE_EXCEPTION);
+        obj.put("message", t.getMessage());
+        ObjectNode exception = JsonNodeFactory.instance.objectNode();
+        exception.put("class", t.getClass().getName());
+        exception.put("message", t.getMessage());
+        exception.put("stackTrace", JsonRpc20Error.stackTrace(t));
+        obj.put("data", exception);
+        return obj;
+    }
+
+    public void write(Writer writer) throws IOException {
+        JacksonHelper.MAPPER.writeValue(writer, jsonNode);
+    }
+
+    public static String stackTrace(Throwable t) {
+        StringWriter sw = new StringWriter();
+        t.printStackTrace(new PrintWriter(sw));
+        return sw.toString();
+    }
+
+    public ObjectNode getJsonNode() {
+        return jsonNode;
+    }
+
+}