/*
 * 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.struts2.config;

import org.apache.struts2.inject.ContainerBuilder;
import org.apache.struts2.util.location.LocatableProperties;


/**
 * Provides beans and constants/properties for the Container
 *
 * @since 2.1
 */
public interface ContainerProvider {

    /**
     * Called before removed from the configuration manager
     */
    void destroy();

    /**
     * Initializes with the configuration
     * @param configuration The configuration
     * @throws ConfigurationException If anything goes wrong
     */
    void init(Configuration configuration) throws ConfigurationException;

    /**
     * Tells whether the ContainerProvider should reload its configuration
     *
     * @return <tt>true</tt>, whether the ContainerProvider should reload its configuration, <tt>false</tt>otherwise.
     */
    boolean needsReload();

    /**
     * Registers beans and properties for the Container
     *
     * @param builder The builder to register beans with
     * @param props The properties to register constants with
     * @throws ConfigurationException If anything goes wrong
     */
    void register(ContainerBuilder builder, LocatableProperties props) throws ConfigurationException;

}
