1 files changed, 83 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.java
new file mode 100644
index 0000000000..cd43a60ab6
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.java
@@ -0,0 +1,83 @@
+/*
+ * 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.implementation.java.injection;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+
+/**
+ * Injects a value created by an {@link org.apache.tuscany.sca.core.factory.ObjectFactory} using a given method
+ *
+ * @version $Rev$ $Date$
+ */
+public class MethodInjector<T> implements Injector<T> {
+    private final Method method;
+    private final ObjectFactory<?> objectFactory;
+
+    public MethodInjector(Method aMethod, ObjectFactory<?> objectFactory) {
+        assert aMethod != null;
+        assert objectFactory != null;
+        this.method = aMethod;
+        // Allow privileged access to set accessibility. Requires ReflectPermission in security
+        // policy.
+        AccessController.doPrivileged(new PrivilegedAction<Object>() {
+            public Object run() {
+                method.setAccessible(true);
+                return null;
+            }
+        });           
+        this.objectFactory = objectFactory;
+    }
+
+    public void inject(T instance) throws ObjectCreationException {
+    	inject(instance, objectFactory.getInstance());
+    }
+    
+    private void inject(T instance, Object value) {
+        try {
+            method.invoke(instance, value);
+        } catch (IllegalAccessException e) {
+            throw new ObjectCreationException("Method is not accessible [" + method + "]", e);
+        } catch (IllegalArgumentException e) {
+            throw new ObjectCreationException("Exception thrown by setter: " + method.getName(), e);
+        } catch (InvocationTargetException e) {
+            throw new ObjectCreationException("Exception thrown by setter: " + method.getName(), e);
+        }
+    }
+
+	public Class<?> getType() {
+		return method.getParameterTypes()[0];
+	}
+	
+	public Type getGenericType() {
+		return method.getGenericParameterTypes()[0];
+	}
+
+	public void injectNull(T instance) throws ObjectCreationException {
+		inject(instance, null);		
+	}
+
+	
+}