1 files changed, 131 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/provider/JavaToSmd.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JavaToSmd.java
new file mode 100644
index 0000000000..12fe6836c6
--- /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/provider/JavaToSmd.java
@@ -0,0 +1,131 @@
+/*
+ * 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.provider;
+
+import java.lang.reflect.Method;
+import java.util.Collection;
+
+import org.apache.wink.json4j.JSONArray;
+import org.apache.wink.json4j.JSONObject;
+
+/**
+ * Utility class to create a Simple Method Description (SMD) descriptor
+ * from a Java class. See http://dojo.jot.com/SMD.
+ * 
+ * TODO: Change to work from the Tuscany Interface instead of a Java class
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaToSmd {
+
+    public static String interfaceToSmd(Class<?> klazz, String serviceUrl) {
+        try {
+            String name = klazz.getSimpleName();
+            Method[] methods = klazz.getMethods();
+
+            JSONObject smd = new JSONObject();
+            smd.put("SMDVersion", ".1");
+            smd.put("objectName", name);
+            smd.put("serviceType", "JSON-RPC");
+            smd.put("serviceURL", serviceUrl);
+
+            JSONArray services = new JSONArray();
+            for (int i = 0; i < methods.length; i++) {
+                JSONObject service = new JSONObject();
+                Class<?>[] params = methods[i].getParameterTypes();
+                JSONArray paramArray = new JSONArray();
+                for (int j = 0; j < params.length; j++) {
+                    JSONObject param = new JSONObject();
+                    param.put("name", "param" + j);
+                    param.put("type", getJSONType(params[j]));
+                    paramArray.put(param);
+                }
+                service.put("name", methods[i].getName());
+                service.put("parameters", paramArray);
+                services.put(service);
+            }
+
+            smd.put("methods", services);
+
+            return smd.toString(2);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e);
+        }
+
+    }
+
+    public static String interfaceToSmd20(Class<?> klazz, String serviceUrl) {
+        try {
+            String name = klazz.getSimpleName();
+            Method[] methods = klazz.getMethods();
+
+            JSONObject smd = new JSONObject();
+            smd.put("SMDVersion", "2.0");
+            smd.put("transport", "POST");
+            smd.put("envelope", "JSON-RPC-1.0");
+            smd.put("target", serviceUrl);
+            smd.put("id", klazz.getName());
+            smd.put("description", "JSON-RPC service provided by Tuscany: " + name);
+
+            JSONObject services = new JSONObject();
+            for (int i = 0; i < methods.length; i++) {
+                JSONObject service = new JSONObject();
+                Class<?>[] params = methods[i].getParameterTypes();
+                JSONArray paramArray = new JSONArray();
+                for (int j = 0; j < params.length; j++) {
+                    JSONObject param = new JSONObject();
+                    param.put("name", "param" + j);
+                    param.put("type", getJSONType(params[j]));
+                    paramArray.put(param);
+                }
+                service.put("parameters", paramArray);
+                services.put(methods[i].getName(), service);
+            }
+
+            smd.put("services", services);
+
+            return smd.toString(2);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e);
+        }
+
+    }
+
+    private static String getJSONType(Class<?> type) {
+        if (type == boolean.class || type == Boolean.class) {
+            return "boolean";
+        }
+        if (type == String.class) {
+            return "string";
+        }
+        if (byte.class == type || short.class == type
+            || int.class == type
+            || long.class == type
+            || float.class == type
+            || double.class == type
+            || Number.class.isAssignableFrom(type)) {
+            return "number";
+        }
+        if (type.isArray() || Collection.class.isAssignableFrom(type)) {
+            return "array";
+        }
+        return "object";
+    }
+
+}