1 files changed, 46 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/InvokerInterceptor.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/InvokerInterceptor.java
new file mode 100644
index 0000000000..7b9dc1c86f
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/InvokerInterceptor.java
@@ -0,0 +1,46 @@
+/**
+ * 
+ * Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ * 
+ * Licensed 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.core.invocation.impl;
+
+import org.apache.tuscany.core.invocation.Interceptor;
+import org.apache.tuscany.core.invocation.InvocationRuntimeException;
+import org.apache.tuscany.core.invocation.TargetInvoker;
+import org.apache.tuscany.core.message.Message;
+
+/**
+ * Serves as a tail interceptor on a target invocation chain. This implementation dispatches to the target invoker
+ * passed inside the invocation message. Target invokers are passed from the source in order to allow for caching of
+ * target instances.
+ * 
+ * @see org.apache.tuscany.core.invocation.TargetInvoker
+ * @version $Rev$ $Date$
+ */
+public class InvokerInterceptor implements Interceptor {
+
+    public InvokerInterceptor() {
+    }
+
+    public Message invoke(Message msg) throws InvocationRuntimeException {
+        TargetInvoker invoker = msg.getTargetInvoker();
+        if (invoker == null) {
+            throw new InvocationRuntimeException("No target invoker specified on message");
+        }
+        return invoker.invoke(msg);
+    }
+
+    public void setNext(Interceptor next) {
+        throw new IllegalStateException("This interceptor must be the last one in an target interceptor chain");
+    }
+
+}