1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.shiro.guice; 20 21 import com.google.inject.TypeLiteral; 22 import com.google.inject.matcher.Matcher; 23 import com.google.inject.matcher.Matchers; 24 import com.google.inject.spi.InjectionListener; 25 import org.apache.shiro.util.Destroyable; 26 27 /** 28 * Injection listener that assists with honoring the {@link org.apache.shiro.util.Destroyable} interface. 29 * 30 * @param <I> 31 */ 32 class DestroyableInjectionListener<I extends Destroyable> implements InjectionListener<I> { 33 public static final Matcher<TypeLiteral> MATCHER = ShiroMatchers.typeLiteral(Matchers.subclassesOf(Destroyable.class)); 34 35 private DestroyableRegistry registry; 36 37 public DestroyableInjectionListener(DestroyableRegistry registry) { 38 this.registry = registry; 39 } 40 41 public void afterInjection(Destroyable injectee) { 42 registry.add(injectee); 43 } 44 45 public static interface DestroyableRegistry { 46 void add(Destroyable destroyable); 47 } 48 }