support/guice/src/main/java/org/apache/shiro/guice/InitializableInjectionListener.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
 * under the License.
 */
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.Initializable;

/**
 * Injection listener that honors the {@link org.apache.shiro.util.Initializable} interface.
 *
 * @param <I>
 */
class InitializableInjectionListener<I extends Initializable> implements InjectionListener<I> {
    public static final Matcher<TypeLiteral> MATCHER = ShiroMatchers.typeLiteral(Matchers.subclassesOf(Initializable.class));

    public void afterInjection(Initializable injectee) {
        injectee.init();
    }
}