45 lines
1.1 KiB
Java
45 lines
1.1 KiB
Java
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package game.command;
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import java.util.Map;
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import game.collect.Maps;
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public class EnumParser extends DefaultingParser {
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private final Map<String, Object> lookup = Maps.newHashMap();
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private final Object[] selections;
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private static <T> String joinArgs(T[] iter) {
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StringBuilder sb = new StringBuilder("'");
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for(T obj : iter) {
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if(sb.length() > 1)
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sb.append("', '");
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sb.append(String.valueOf(obj));
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}
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return sb.append("'").toString();
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}
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public EnumParser(String name, Object def, Object ... selections) {
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super(name, def, selections);
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this.selections = selections;
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for(Object o : selections) {
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this.lookup.put(o.toString().toLowerCase(), o);
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}
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}
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public Object parse(ScriptEnvironment env, String input) {
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Object value = this.lookup.get(input.toLowerCase());
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if(value != null)
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return value;
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int id = -1;
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try {
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id = Integer.parseInt(input);
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}
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catch(NumberFormatException e) {
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}
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if(id < 0 || id >= this.selections.length)
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throw new ScriptException("Ungültige Auswahl '%s', muss eine von diesen Optionen sein: %s", input,
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joinArgs(this.selections));
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return this.selections[id];
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}
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}
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