1 files changed, 70 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingPoliciedInvoker.java b/sca-java-1.x/branches/sca-java-1.6.2/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingPoliciedInvoker.java
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingPoliciedInvoker.java
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+/*
+ * 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.provider;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.policy.PolicySet;
+
+import echo.provider.policy.EncryptionPolicyHandler;
+import echo.provider.policy.PolicyHandler;
+
+/**
+ * Invoker that applies policies before invocation for the sample echo binding.
+ */
+public class EchoBindingPoliciedInvoker implements Invoker {
+    List<PolicySet> policies = null;
+    Map<QName, PolicyHandler> policyHandlers = new HashMap<QName, PolicyHandler>();
+
+    public EchoBindingPoliciedInvoker(List<PolicySet> policies) {
+        this.policies = policies;
+        policyHandlers.put(new QName("http://test", "EncryptionPolicy"), new EncryptionPolicyHandler());
+    }
+
+    public Message invoke(Message msg) {
+        try {
+            Object[] args = msg.getBody();
+
+            applyPolicies(args);
+
+            // echo back the first parameter, a real binding would invoke some API for flowing the request
+            Object result = args[0];
+
+            msg.setBody(result);
+
+        } catch (Exception e) {
+            msg.setFaultBody(e);
+        }
+        return msg;
+    }
+
+    private void applyPolicies(Object[] args) throws Exception {
+        for (PolicySet policySet : policies) {
+            PolicyHandler policyHandler = policyHandlers.get(policySet.getName());
+            policyHandler.applyPolicy(args, policySet);
+        }
+    }
+
+}