just before adding authorization service.

[photos] / src / main / java / org / wamblee / photos / model / plumbing / EagerExtension.java

diff --git a/src/main/java/org/wamblee/photos/model/plumbing/EagerExtension.java b/src/main/java/org/wamblee/photos/model/plumbing/EagerExtension.java
new file mode 100644 (file)
index 0000000..e3fee74
--- /dev/null
+++ b/src/main/java/org/wamblee/photos/model/plumbing/EagerExtension.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2005-2013 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.photos.model.plumbing;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.context.spi.Context;
+import javax.enterprise.context.spi.CreationalContext;
+import javax.enterprise.event.Observes;
+import javax.enterprise.inject.spi.AfterDeploymentValidation;
+import javax.enterprise.inject.spi.Bean;
+import javax.enterprise.inject.spi.BeanManager;
+import javax.enterprise.inject.spi.Extension;
+import javax.enterprise.inject.spi.ProcessBean;
+
+public class EagerExtension implements Extension {
+
+    private List<Bean<?>> eagerBeansList = new ArrayList<Bean<?>>();
+
+    public <T> void collect(@Observes ProcessBean<T> event) {
+        if (event.getAnnotated().isAnnotationPresent(Eager.class) &&
+            event.getAnnotated().isAnnotationPresent(ApplicationScoped.class)) {
+            eagerBeansList.add(event.getBean());
+        }
+    }
+
+    public void load(@Observes AfterDeploymentValidation event,
+        BeanManager beanManager) {
+        for (Bean<?> bean : eagerBeansList) {
+            // note: toString() is important to instantiate the bean
+            /*
+            Class main = Object.class;
+            for (Type type : bean.getTypes()) {
+                if (type instanceof Class) {
+                    Class clazz = (Class) type;
+                    if (main.isAssignableFrom(clazz)) {
+                        main = clazz;
+                    }
+                }
+            }*/
+            /*
+            bean.create((CreationalContext) beanManager
+                .createCreationalContext(bean));*/
+            /* beanManager.getReference(bean, main,
+                 beanManager.createCreationalContext(null)).toString();
+             beanManager.getReference(bean, main,
+                 beanManager.createCreationalContext(null)).toString(); */
+            /*
+                        beanManager.getReference(bean, bean.getBeanClass(),
+                            beanManager.createCreationalContext(bean)).toString();
+                            */
+
+            Context context = beanManager.getContext(ApplicationScoped.class);
+            context.get(bean,
+                (CreationalContext) beanManager.createCreationalContext(bean))
+                .toString();
+        }
+    }
+}
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