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230 lines
5.1 KiB
Java
230 lines
5.1 KiB
Java
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/* ActionMap.java --
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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// Imports
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import java.io.*;
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import java.util.*;
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/**
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* ActionMap
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* @author Andrew Selkirk
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* @version 1.0
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*/
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public class ActionMap implements Serializable {
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//-------------------------------------------------------------
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// Variables --------------------------------------------------
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//-------------------------------------------------------------
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/**
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* actionMap
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*/
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private Map actionMap = new HashMap();
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/**
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* parent
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*/
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private ActionMap parent = null;
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//-------------------------------------------------------------
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// Initialization ---------------------------------------------
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//-------------------------------------------------------------
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/**
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* Constructor ActionMap
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*/
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public ActionMap() {
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} // ActionMap()
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//-------------------------------------------------------------
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// Methods ----------------------------------------------------
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//-------------------------------------------------------------
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/**
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* get
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* @param key TODO
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* @returns Action
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*/
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public Action get(Object key) {
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// Variables
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Object result;
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// Check Local store
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result = actionMap.get(key);
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// Check Parent
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if (result == null) {
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result = parent.get(key);
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} // if
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return (Action) result;
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} // get()
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/**
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* put
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* @param key TODO
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* @param action TODO
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*/
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public void put(Object key, Action action) {
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if (action == null) {
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actionMap.remove(key);
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} else {
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actionMap.put(key, action);
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} // if
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} // put()
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/**
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* remove
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* @param key TODO
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*/
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public void remove(Object key) {
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actionMap.remove(key);
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} // remove()
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/**
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* getParent
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* @returns ActionMap
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*/
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public ActionMap getParent() {
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return parent;
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} // getParent()
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/**
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* setParent
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* @param parentMap TODO
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*/
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public void setParent(ActionMap parentMap) {
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parent = parentMap;
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} // setParent()
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/**
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* size
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* @returns int
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*/
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public int size() {
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return actionMap.size();
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} // size()
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/**
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* clear
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*/
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public void clear() {
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actionMap.clear();
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} // clear()
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/**
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* keys
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* @returns Object[]
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*/
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public Object[] keys() {
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return convertSet(actionMap.keySet());
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} // keys()
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/**
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* allKeys
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* @returns Object[]
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*/
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public Object[] allKeys() {
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// Variables
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Set set;
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// Initialize
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set = new HashSet();
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// Get Key Sets
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if (parent != null) {
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set.addAll(Arrays.asList(parent.allKeys()));
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} // if
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set.addAll(actionMap.keySet());
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return convertSet(set);
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} // allKeys()
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private Object[] convertSet(Set set) {
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// Variables
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int index;
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Iterator iterator;
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Object[] keys;
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// Create Final array
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keys = new Object[set.size()];
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iterator = set.iterator();
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index = 0;
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while (iterator.hasNext()) {
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keys[index++] = iterator.next();
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} // while
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return keys;
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} // convertSet()
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//-------------------------------------------------------------
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// Interface: Serializable ------------------------------------
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//-------------------------------------------------------------
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/**
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* writeObject
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* @param stream TODO
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* @exception IOException TODO
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*/
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private void writeObject(ObjectOutputStream value0) throws IOException {
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// TODO
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} // writeObject()
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/**
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* readObject
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* @param stream TODO
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* @exception ClassNotFoundException TODO
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* @exception IOException TODO
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*/
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private void readObject(ObjectInputStream value0) throws ClassNotFoundException, IOException {
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// TODO
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} // readObject()
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} // ActionMap
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