TUSCANY-4065 - Properly retrieving binding context within the response handlers

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1351908 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 53 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/ThreadBindingContext.java b/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/ThreadBindingContext.java
new file mode 100644
index 0000000000..0c9d070a4b
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/ThreadBindingContext.java
@@ -0,0 +1,45 @@
+/*
+ * 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.rest.provider;
+
+import org.apache.tuscany.sca.binding.rest.RESTBinding;
+
+public class ThreadBindingContext {
+
+    private static final ThreadLocal<RESTBinding> CONTEXT = new ThreadLocal<RESTBinding>();
+
+    private ThreadBindingContext() {
+    }
+
+    public static RESTBinding setBindingContext(RESTBinding binding) {
+        RESTBinding old = CONTEXT.get();
+        CONTEXT.set(binding);
+        return old;
+    }
+
+    public static RESTBinding getBindingContext() {
+        return CONTEXT.get();
+    }
+
+    public static void removeBindingContext() {
+        CONTEXT.remove();
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/TuscanyRESTServlet.java b/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/TuscanyRESTServlet.java
index 35c46ac56b..17756a7f23 100644
--- a/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/TuscanyRESTServlet.java
+++ b/sca-java-2.x/trunk/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/TuscanyRESTServlet.java
@@ -94,6 +94,7 @@ public class TuscanyRESTServlet extends RestServlet {
         try {
             //store in thread local
             ThreadHTTPContext.setHTTPContext(bindingContext);
+            ThreadBindingContext.setBindingContext(binding);
             
             // handle special ?wadl request
             String query = request.getQueryString();
@@ -105,6 +106,7 @@ public class TuscanyRESTServlet extends RestServlet {
         } finally {
             //remove
             ThreadHTTPContext.removeHTTPContext();
+            ThreadBindingContext.removeBindingContext();
         }
     }
 
@@ -209,6 +211,10 @@ public class TuscanyRESTServlet extends RestServlet {
 
     /**
      * TuscanyResponseHandler
+     * 
+     * The response handler is shared, that's why we need to get the 
+     * binding from the thread context otherwise different components
+     * might get wrong binding configuration (e.g. headers)
      *
      * Required to support declarative HTTP Headers
      */
@@ -222,6 +228,8 @@ public class TuscanyRESTServlet extends RestServlet {
                 return;
             }
 
+            RESTBinding binding = ThreadBindingContext.getBindingContext(); 
+                
             //process declarative headers
             for(HTTPHeader header : binding.getHttpHeaders()) {
                 //treat special headers that need to be calculated