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/*
* 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 javax.servlet;
import java.util.Set;
/**
* ServletContainerInitializers (SCIs) are registered via an entry in the
* file META-INF/services/javax.servlet.ServletContainerInitializer that must be
* included in the JAR file that contains the SCI implementation.
* <p>
* SCI processing is performed regardless of the setting of metadata-complete.
* SCI processing can be controlled per JAR file via fragment ordering. If an
* absolute ordering is defined, the only those JARs included in the ordering
* will be processed for SCIs. To disable SCI processing completely, an empty
* absolute ordering may be defined.
* <p>
* SCIs register an interest in annotations (class, method or field) and/or
* types via the {@link javax.servlet.annotation.HandlesTypes} annotation which
* is added to the class.
*
* @since Servlet 3.0
*/
public interface ServletContainerInitializer {
/**
* Receives notification during startup of a web application of the classes
* within the web application that matched the criteria defined via the
* {@link javax.servlet.annotation.HandlesTypes} annotation.
*
* @param c The (possibly null) set of classes that met the specified
* criteria
* @param ctx The ServletContext of the web application in which the
* classes were discovered
*
* @throws ServletException If an error occurs
*/
void onStartup(Set<Class<?>> c, ServletContext ctx) throws ServletException;
}
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