/*
* Copyright 2002-2006,2009 The Apache Software Foundation.
*
* Licensed 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 com.opensymphony.xwork2.config;
/**
* Provides configuration packages. The separate init and loadPackages calls are due to the need to
* preserve backwards compatibility with the 2.0 {@link ConfigurationProvider} interface
*
* @since 2.1
*/
public interface PackageProvider {
/**
* Initializes with the configuration
* @param configuration The configuration
* @throws ConfigurationException If anything goes wrong
*/
void init(Configuration configuration) throws ConfigurationException;
/**
* Tells whether the PackageProvider should reload its configuration
*
* @return <tt>true</tt>, whether the PackageProvider should reload its configuration, <tt>false</tt>otherwise.
*/
boolean needsReload();
/**
* Loads the packages for the configuration.
* @throws ConfigurationException in case of configuration errors
*/
void loadPackages() throws ConfigurationException;
}