DestroyableInjectionListener.java
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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*/
package org.apache.shiro.guice;
import com.google.inject.TypeLiteral;
import com.google.inject.matcher.Matcher;
import com.google.inject.matcher.Matchers;
import com.google.inject.spi.InjectionListener;
import org.apache.shiro.util.Destroyable;
/**
* Injection listener that assists with honoring the {@link org.apache.shiro.util.Destroyable} interface.
*
* @param <I>
*/
class DestroyableInjectionListener<I extends Destroyable> implements InjectionListener<I> {
public static final Matcher<TypeLiteral> MATCHER = ShiroMatchers.typeLiteral(Matchers.subclassesOf(Destroyable.class));
private DestroyableRegistry registry;
public DestroyableInjectionListener(DestroyableRegistry registry) {
this.registry = registry;
}
public void afterInjection(Destroyable injectee) {
registry.add(injectee);
}
public static interface DestroyableRegistry {
void add(Destroyable destroyable);
}
}