From 7cd4170d0b649adfa0f9fb5db9cfa16d4f5aa776 Mon Sep 17 00:00:00 2001
From: antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 10 Aug 2009 07:50:40 +0000
Subject: Start adding support for JSONP references. Doesn't work yet, still
 need to implement the http inovke bit using something like HttpClient

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@802681 13f79535-47bb-0310-9956-ffa450edef68
---
 .../jsonp/runtime/JSONPBindingProviderFactory.java |  5 +-
 .../sca/binding/jsonp/runtime/JSONPInvoker.java    | 90 ++++++++++++++++++++++
 .../runtime/JSONPReferenceBindingProvider.java     | 54 +++++++++++++
 3 files changed, 146 insertions(+), 3 deletions(-)
 create mode 100644 java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java
 create mode 100644 java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java

(limited to 'java/sca/modules')

diff --git a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java
index f686d9d771..90daedb647 100644
--- a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java
+++ b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java
@@ -47,9 +47,8 @@ public class JSONPBindingProviderFactory implements BindingProviderFactory<JSONP
         return JSONPBinding.class;
     }
 
-    public ReferenceBindingProvider createReferenceBindingProvider(EndpointReference arg0) {
-        // TODO Auto-generated method stub
-        return null;
+    public ReferenceBindingProvider createReferenceBindingProvider(EndpointReference endpoint) {
+        return new JSONPReferenceBindingProvider(endpoint);
     }
 
     public ServiceBindingProvider createServiceBindingProvider(Endpoint endpoint) {
diff --git a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java
new file mode 100644
index 0000000000..01a128913b
--- /dev/null
+++ b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java
@@ -0,0 +1,90 @@
+/*
+ * 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.jsonp.runtime;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.codehaus.jackson.JsonGenerationException;
+import org.codehaus.jackson.JsonParseException;
+import org.codehaus.jackson.map.JsonMappingException;
+import org.codehaus.jackson.map.ObjectMapper;
+
+public class JSONPInvoker implements Invoker {
+    
+    protected Operation operation;
+    protected EndpointReference endpoint;
+
+    protected ObjectMapper mapper; // TODO: share mapper btw invoker and servlet or move to databinding
+
+    public JSONPInvoker(Operation operation, EndpointReference endpoint) {
+        this.operation = operation;
+        this.endpoint = endpoint;
+        this.mapper = new ObjectMapper();
+    }
+
+    public Message invoke(Message msg) {
+        try {
+
+            return doInvoke(msg);
+            
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public Message doInvoke(Message msg) throws JsonGenerationException, JsonMappingException, IOException {
+        String uri = endpoint.getBinding().getURI() + "/" + operation.getName();
+        String[] jsonArgs = objectsToJSON((Object[])msg.getBody());
+
+        String responseJSON = invokeHTTPRequest(uri, jsonArgs);
+
+        Object response = jsonToObjects(responseJSON)[0];
+        msg.setBody(response);
+
+        return msg;
+    }
+
+    protected String invokeHTTPRequest(String uri, String[] jsonArgs) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    protected String[] objectsToJSON(Object[] msgArgs) throws JsonGenerationException, JsonMappingException, IOException {
+        String[] jsonArgs = new String[msgArgs.length];
+        for (int i=0; i<msgArgs.length; i++) {
+            ByteArrayOutputStream os = new ByteArrayOutputStream();
+            mapper.writeValue(os , msgArgs[i]);
+            jsonArgs[i] = os.toString();
+        }
+        return jsonArgs;
+    }
+
+    protected Object[] jsonToObjects(String jsonRequest) throws JsonParseException, JsonMappingException, IOException {
+        Class<?> c = new Object[0].getClass();
+        Object[] args = (Object[])mapper.readValue(jsonRequest, c);
+        return args;
+    }
+
+}
diff --git a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java
new file mode 100644
index 0000000000..3bb0c48861
--- /dev/null
+++ b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java
@@ -0,0 +1,54 @@
+/*
+ * 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.jsonp.runtime;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+
+public class JSONPReferenceBindingProvider implements ReferenceBindingProvider {
+
+    private EndpointReference endpoint;
+
+    public JSONPReferenceBindingProvider(EndpointReference endpoint) {
+        this.endpoint = endpoint;
+    }
+    public Invoker createInvoker(Operation operation) {
+        return new JSONPInvoker(operation, endpoint);
+    }
+
+    public void start() {
+    }
+
+    public void stop() {
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return null;
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+}
-- 
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