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[utils] / test / enterprise / src / main / java / org / wamblee / test / inject / JavaEETestInjector.java

diff --git a/test/enterprise/src/main/java/org/wamblee/test/inject/JavaEETestInjector.java b/test/enterprise/src/main/java/org/wamblee/test/inject/JavaEETestInjector.java
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+/*
+ * Copyright 2005-2010 the original author or authors.
+ * 
+ * Licensed 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.wamblee.test.inject;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import org.wamblee.inject.Injector;
+import org.wamblee.reflection.Accessor;
+import org.wamblee.reflection.AnnotationUtils;
+
+/**
+ * Injector that performs additional injection on top of the injections that are standard
+ * available (e.g. entity manager in Java SE environment).
+ * 
+ * @author Erik Brakkee
+ */
+public class JavaEETestInjector implements Injector {
+
+    private EntityManager entityManager;
+    private Injector delegate;
+    private List<Accessor> accessors;
+
+    /**
+     * Constructs the injector. 
+     * @param aClass Class to inject for. 
+     * @param aEntityManager Entity manager. 
+     * @param aDelegate Injecto to delegate to to perform the standard injections. 
+     */
+    public JavaEETestInjector(Class aClass, EntityManager aEntityManager,
+        Injector aDelegate) {
+        entityManager = aEntityManager;
+        delegate = aDelegate;
+        accessors = AnnotationUtils.analyse(aClass, PersistenceContext.class);
+    }
+
+    @Override
+    public void inject(Object aComponent) {
+        delegate.inject(aComponent);
+        for (Accessor accessor: accessors) {
+            accessor.set(aComponent, entityManager);
+        }
+    }
+
+}