X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=support%2Finject%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Finject%2FInjectable.java;fp=support%2Finject%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Finject%2FInjectable.java;h=0c881d9b104d50a796a815d13f0bd5ce955ee309;hb=6edb8d1fb3e7f36d3fe9f53583fa6aac0ccd3f65;hp=0000000000000000000000000000000000000000;hpb=9589a096e4acafb32eb4a25dba90b1fe1f762881;p=utils

diff --git a/support/inject/src/main/java/org/wamblee/inject/Injectable.java b/support/inject/src/main/java/org/wamblee/inject/Injectable.java
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+++ b/support/inject/src/main/java/org/wamblee/inject/Injectable.java
@@ -0,0 +1,45 @@
+/*
+ * 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.inject;
+
+import java.util.ServiceLoader;
+
+
+/**
+ * This abstract base class performs injection at construction. Be sure not to
+ * initialize fields of derived classes to null as these will override the
+ * initializations of this base class.
+ * 
+ * Use this by subclassing through {@link #Injectable()).
+ * 
+ * To use this class, the {@link ServiceLoader} mechanism must be used to locate
+ * a {@link InjectorFactory}. The first implementation that is found will be
+ * used for injection.
+ * 
+ * @author Erik Brakkee
+ */
+public abstract class Injectable {
+
+    private static final SimpleInjector INJECTOR = new SimpleInjector(
+        InjectorFactoryBuilder.getInjectorFactory());
+
+    /**
+     * Inheritance style constructor.
+     */
+    protected Injectable() {
+        INJECTOR.inject(this);
+    }    
+}