// Copyright 2001, FreeHEP. package org.freehep.util.io; import java.util.HashMap; import java.util.Map; /** * Class to keep registered Actions, which should be used by the * TaggedIn/OutputStream. * * A set of recognized Actions can be added to this class. A concrete * implementation of this stream should install all allowed actions. * * @author Mark Donszelmann * @author Charles Loomis * @version $Id: ActionSet.java 8584 2006-08-10 23:06:37Z duns $ */ public class ActionSet { /** * This holds the individual actions. */ protected Map actions; protected Action defaultAction; /** * Creates an set for actions */ public ActionSet() { actions = new HashMap(); defaultAction = new Action.Unknown(); } /** * Adds an action to the set * * @param action to be added */ public void addAction(Action action) { actions.put(new Integer(action.getCode()), action); } /** * Looks up the corresponding action for an action code. * * @param actionCode code to be looked for * @return corresponding action, or Action.Unknown in case Action is not * found. */ public Action get(int actionCode) { Action action = (Action) actions.get(new Integer(actionCode)); if (action == null) action = defaultAction; return action; } /** * Looks if an Action for code is in this set. * * @param actionCode code to be looked for * @return true if action exists for code */ public boolean exists(int actionCode) { return (actions.get(new Integer(actionCode)) != null); } }