1 files changed, 66 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-integration/samples/sca/echo-binding/src/main/java/echo/EchoInvoker.java b/sca-java-1.x/branches/sca-java-integration/samples/sca/echo-binding/src/main/java/echo/EchoInvoker.java
new file mode 100644
index 0000000000..83c3dd824d
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-integration/samples/sca/echo-binding/src/main/java/echo/EchoInvoker.java
@@ -0,0 +1,66 @@
+/*
+ * 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 echo;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.apache.tuscany.spi.wire.InvocationRuntimeException;
+import org.apache.tuscany.spi.wire.Message;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class EchoInvoker implements TargetInvoker {
+
+    private boolean cacheable;
+
+    public boolean isCacheable() {
+        return cacheable;
+    }
+
+    public void setCacheable(boolean cacheable) {
+        this.cacheable = cacheable;
+    }
+
+    public boolean isOptimizable() {
+        return isCacheable();
+    }
+
+    public Object invokeTarget(final Object payload, final short sequence) throws InvocationTargetException {
+        // echo back the result, a real binding would invoke some API for flowing the request
+        return ((Object[])payload)[0];
+    }
+
+    public Message invoke(Message msg) throws InvocationRuntimeException {
+        try {
+            Object resp = invokeTarget(msg.getBody(), NONE);
+            msg.setBody(resp);
+        } catch (InvocationTargetException e) {
+            msg.setBodyWithFault(e.getCause());
+        } catch (Throwable e) {
+            msg.setBodyWithFault(e);
+        }
+        return msg;
+    }
+
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+}