76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
/*******************************************************************************
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* Copyright (C) 1996-2001, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/utility/SampleEnum.java,v $
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* $Date: 2002/10/05 01:28:56 $
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* $Revision: 1.1 $
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*
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*******************************************************************************
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*/
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package com.ibm.text.utility;
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import java.util.*;
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/** Sample Poor-Man's Enum.
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* To use as a template, copy and
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* <ul>
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* <li>replace all instances of "SampleEnum" by your enum's name</li>
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* <li>change the enum values to your values</li>
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* <li>set any aliases (or remove that section)</li>
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* </ul>
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*/
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public final class SampleEnum extends PoorMansEnum {
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private static PoorMansEnum.EnumStore store = new PoorMansEnum.EnumStore();
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public static final SampleEnum
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ALPHA = add("The"),
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BETA = add("Quick"),
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GAMMA = add("Brown"),
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FIRST = ALPHA;
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static {
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store.addAlias(ALPHA, "A");
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}
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/* Boilerplate */
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public SampleEnum next() { return (SampleEnum) next; }
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public void getAliases(Collection output) { store.getAliases(this, output); }
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public static SampleEnum get(String s) { return (SampleEnum) store.get(s); }
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public static SampleEnum get(int v) { return (SampleEnum) store.get(v); }
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public static int getMax() { return store.getMax(); }
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private SampleEnum() {}
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private static SampleEnum add(String name) { return (SampleEnum) store.add(new SampleEnum(), name);}
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/* just for testing */
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public static void test() {
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// int to string, collecting strings as we go
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Set s = new TreeSet();
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for (int i = 0; i < SampleEnum.getMax(); ++i) {
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String n = SampleEnum.get(i).toString();
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System.out.println(i + ", " + n);
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s.add(n);
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}
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// String to int
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Iterator it = s.iterator();
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while (it.hasNext()) {
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String n = (String)it.next();
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System.out.println(n + ", " + SampleEnum.get(n).toInt());
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}
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// iteration
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for (SampleEnum current = FIRST; current != null; current = current.next()) {
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s.clear();
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current.getAliases(s);
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System.out.println(current.toInt() + ", " + current + ", " + s);
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}
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}
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} |