1 files changed, 108 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/context/ReflectiveInstanceFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java
new file mode 100644
index 0000000000..967820abe7
--- /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/context/ReflectiveInstanceFactory.java
@@ -0,0 +1,108 @@
+/*
+ * 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.context;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.core.factory.InstanceWrapper;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.databinding.impl.XSDDataTypeConverter;
+import org.apache.tuscany.sca.implementation.java.injection.Injector;
+import org.apache.tuscany.sca.implementation.java.invocation.EventInvoker;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ReflectiveInstanceFactory<T> implements InstanceFactory<T> {
+    private static final Logger logger = Logger.getLogger(ReflectiveInstanceFactory.class.getName(),
+                                                          "org.apache.tuscany.sca.implementation.java.runtime.implementation-java-runtime-validation-messages");
+
+    private final Constructor<T> ctr;
+    private final ObjectFactory<?>[] ctrArgs;
+    private final Injector<T>[] injectors;
+    private final EventInvoker<T> initInvoker;
+    private final EventInvoker<T> destroyInvoker;
+	private final Injector<T>[] callbackInjectors;
+
+    public ReflectiveInstanceFactory(Constructor<T> ctr,
+                                     ObjectFactory<?>[] ctrArgs,
+                                     Injector<T>[] injectors,
+                                     Injector<T>[] callbackInjectors,
+                                     EventInvoker<T> initInvoker,
+                                     EventInvoker<T> destroyInvoker) {
+        this.ctr = ctr;
+        this.ctrArgs = ctrArgs;
+        this.injectors = injectors;
+        this.callbackInjectors = callbackInjectors;
+        this.initInvoker = initInvoker;
+        this.destroyInvoker = destroyInvoker;
+    }
+
+    public InstanceWrapper<T> newInstance() {
+        T instance;
+        try {
+            if (ctrArgs != null) {
+                Object[] args = new Object[ctrArgs.length];
+                for (int i = 0; i < args.length; i++) {
+                    args[i] = ctrArgs[i].getInstance();
+                }
+                instance = ctr.newInstance(args);
+            } else {
+                instance = ctr.newInstance();
+            }
+        } catch (InstantiationException e) {
+            String name = ctr.getDeclaringClass().getName();
+            String message = logger.getResourceBundle().getString("ClassNoInstantiable");
+            message = message.replace("{0}", name);
+            throw new AssertionError(message);
+        } catch (IllegalAccessException e) {
+            String name = ctr.getName();
+            String message = logger.getResourceBundle().getString("ConstructorNotAccessible");
+            message = message.replace("{0}", name);
+            throw new AssertionError(message);
+        } catch (InvocationTargetException e) {
+            String name = ctr.getName();
+            String message = logger.getResourceBundle().getString("ConstructorException");
+            message = message.replace("{0}", name);
+            throw new ObjectCreationException(message, e);
+        }
+
+        if (injectors != null) {
+            for (Injector<T> injector : injectors) {
+                //FIXME Injectors should never be null
+                if (injector != null)
+                    try {
+                        injector.inject(instance);
+                    } catch (Exception e) {
+                        if (destroyInvoker != null) {
+                            destroyInvoker.invokeEvent(instance);
+                        }
+                        String message = logger.getResourceBundle().getString("InjectorException");
+                        message = message.replace("{0}", e.getMessage());
+                        throw new ObjectCreationException(message, e);
+                    }
+            }
+        }
+
+        return new ReflectiveInstanceWrapper<T>(instance, initInvoker, destroyInvoker, callbackInjectors);
+    }
+}