2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.inject;
18 import java.util.ServiceLoader;
22 * This abstract base class performs injection at construction. Be sure not to
23 * initialize fields of derived classes to null as these will override the
24 * initializations of this base class.
26 * Use this by subclassing through {@link #Injectable()).
28 * To use this class, the {@link ServiceLoader} mechanism must be used to locate
29 * a {@link InjectorFactory}. The first implementation that is found will be
32 * @author Erik Brakkee
34 public abstract class Injectable {
36 private static final SimpleInjector INJECTOR = new SimpleInjector(
37 InjectorFactoryBuilder.getInjectorFactory());
40 * Inheritance style constructor.
42 protected Injectable() {
43 INJECTOR.inject(this);