1 files changed, 113 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/JsonRpc20Request.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/JsonRpc20Request.java
new file mode 100644
index 0000000000..596ba65449
--- /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/JsonRpc20Request.java
@@ -0,0 +1,113 @@
+/*
+ * 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.OutputStream;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.databinding.json.jackson.JacksonHelper;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.node.ArrayNode;
+import org.codehaus.jackson.node.JsonNodeFactory;
+import org.codehaus.jackson.node.ObjectNode;
+import org.apache.wink.json4j.JSONException;
+
+public class JsonRpc20Request extends JsonRpcRequest {
+
+    protected ObjectNode mappedParams;
+
+    public JsonRpc20Request(String id, String method, Object[] params) {
+        super(JsonNodeFactory.instance.textNode(id), method, params);
+        this.jsonNode.put("jsonrpc", "2.0");
+        this.mappedParams = null;
+    }
+
+    public JsonRpc20Request(String id, String method, ObjectNode mappedParams) {
+        super(JsonNodeFactory.instance.textNode(id), method, null);
+        this.jsonNode.put("jsonrpc", "2.0");
+        this.mappedParams = mappedParams;
+        this.jsonNode.put("params", mappedParams);
+    }
+
+    public JsonRpc20Request(ObjectNode req) throws JSONException {
+        super(req);
+        JsonNode node = req.get("jsonrpc");
+        boolean v20 = node != null && "2.0".equals(node.getTextValue());
+        if (!v20) {
+            throw new IllegalArgumentException("Invalid request: jsonrpc attribute must be \"2.0\"");
+        }
+        method = req.get("method").getTextValue();
+        JsonNode idNode = req.get("id");
+        if (idNode != null) {
+            id = idNode;
+        }
+        JsonNode args = req.get("params");
+        if (args instanceof ArrayNode) {
+            // Positional parameters
+            ArrayNode array = (ArrayNode)args;
+            params = new Object[array.size()];
+            for (int i = 0; i < params.length; i++) {
+                params[i] = array.get(i);
+            }
+        } else if (args instanceof ObjectNode) {
+            ObjectNode map = (ObjectNode)args;
+            mappedParams = map;
+            params = null;
+        } else if (args == null) {
+            params = new Object[0];
+        } else {
+            throw new IllegalArgumentException("Invalid request: params is not a JSON array - " + args);
+        }
+    }
+
+    public void write(OutputStream os) throws Exception {
+        // Construct a map to hold JSON-RPC request
+        final Map<String, Object> jsonRequest = new HashMap<String, Object>();
+        jsonRequest.put("jsonrpc", "2.0");
+        jsonRequest.put("id", id);
+        jsonRequest.put("method", method);
+
+        if (mappedParams != null) {
+            jsonRequest.put("params", mappedParams);
+        }
+
+        else {
+            List<Object> parameters = null;
+
+            if (params != null) {
+                parameters = Arrays.asList(params);
+            } else {
+                parameters = Collections.emptyList();
+            }
+
+            jsonRequest.put("params", parameters);
+        }
+        JacksonHelper.MAPPER.writeValue(os, jsonRequest);
+
+    }
+
+    public ObjectNode getMappedParams() {
+        return mappedParams;
+    }
+}