org.apache.struts.dispatcher.Dispatcher Maven / Gradle / Ivy
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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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
*
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*/
package org.apache.struts.dispatcher;
import org.apache.struts.action.Action;
import org.apache.struts.chain.contexts.ActionContext;
/**
* This interface defines an intermediate handler that determines what method to
* execute in an {@link Action}. Unlike the classical execute
* signature, it is up to the dispatcher implementation to determine the
* particular arguments and return type.
*
* @version $Rev$
* @since Struts 1.4
*/
public interface Dispatcher {
/**
* Dispatches to the action referenced by the specified context.
*
* @param context the current action context
* @return the result type, null
if the response was handled
* directly, or {@link Void} if the executed method has no return
* signature
* @throws Exception if an exception occurs
*/
Object dispatch(ActionContext context) throws Exception;
}