From 6d685c8e138af8d18bc71181ec630ccb9a17bdd9 Mon Sep 17 00:00:00 2001
From: nash <nash@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 6 Apr 2011 22:03:35 +0000
Subject: Tag for 1.6.2-RC1

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1089647 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/core/invocation/JDKProxyFactory.java       | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 sca-java-1.x/tags/1.6.2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java

(limited to 'sca-java-1.x/tags/1.6.2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java')

diff --git a/sca-java-1.x/tags/1.6.2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java b/sca-java-1.x/tags/1.6.2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java
new file mode 100644
index 0000000000..a2cbd1365b
--- /dev/null
+++ b/sca-java-1.x/tags/1.6.2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java
@@ -0,0 +1,104 @@
+/*
+ * 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.core.invocation;
+
+import java.lang.reflect.InvocationHandler;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.List;
+import java.util.HashMap;
+
+import org.apache.tuscany.sca.core.invocation.SCAProxy;
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+
+/**
+ * the default implementation of a wire service that uses JDK dynamic proxies
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JDKProxyFactory implements ProxyFactory {
+    protected InterfaceContractMapper contractMapper;
+    private MessageFactory messageFactory;
+
+    public JDKProxyFactory(MessageFactory messageFactory, InterfaceContractMapper mapper) {
+        this.contractMapper = mapper;
+        this.messageFactory = messageFactory;
+    }
+
+    /** 
+     * The original createProxy method assumes that the proxy doesn't want to 
+     * share conversation state so sets the conversation object to null
+     */
+    public <T> T createProxy(Class<T> interfaze, RuntimeWire wire) throws ProxyCreationException {
+        ServiceReference<T> serviceReference = new ServiceReferenceImpl(interfaze, wire, this);
+        return createProxy(serviceReference);
+    }
+    
+    public <T> T createProxy(CallableReference<T> callableReference) throws ProxyCreationException {
+        assert callableReference != null;
+        final Class<T> interfaze = callableReference.getBusinessInterface();
+        InvocationHandler handler = new JDKInvocationHandler(messageFactory, callableReference);
+        // Allow privileged access to class loader. Requires RuntimePermission in security policy.
+        ClassLoader cl = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
+            public ClassLoader run() {
+               return interfaze.getClassLoader();
+            }
+        });
+        Object proxy = SCAProxy.newProxyInstance(cl, new Class[] {interfaze}, handler);
+        ((CallableReferenceImpl)callableReference).setProxy(proxy);
+        return interfaze.cast(proxy);
+    }
+
+    public <T> T createCallbackProxy(Class<T> interfaze, List<RuntimeWire> wires) throws ProxyCreationException {
+        CallbackReferenceImpl<T> callbackReference = CallbackReferenceImpl.newInstance(interfaze, this, wires);
+        return callbackReference != null ? createCallbackProxy(callbackReference) : null;
+    }
+
+    public <T> T createCallbackProxy(CallbackReferenceImpl<T> callbackReference) throws ProxyCreationException {
+        assert callbackReference != null;
+        Class<T> interfaze = callbackReference.getBusinessInterface();
+        InvocationHandler handler = new JDKCallbackInvocationHandler(messageFactory, callbackReference);
+        ClassLoader cl = interfaze.getClassLoader();
+		Object proxy = SCAProxy.newProxyInstance(cl, new Class[] {interfaze}, handler);
+		callbackReference.setProxy(proxy);
+        return interfaze.cast(proxy);
+    }
+
+    public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+        InvocationHandler handler = SCAProxy.getInvocationHandler(target);
+        if (handler instanceof JDKInvocationHandler) {
+            return (R)((JDKInvocationHandler)handler).getCallableReference();
+        } else {
+            throw new IllegalArgumentException("The object is not a known proxy.");
+        }
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#isProxyClass(java.lang.Class)
+     */
+    public boolean isProxyClass(Class<?> clazz) {
+        return SCAProxy.isProxyClass(clazz);
+    }
+}
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