37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
package game.command;
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public class LongParser extends DefaultingParser {
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private final Long min;
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private final Long max;
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public LongParser(String name, Long def, Long min, Long max, Object ... completions) {
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super(name, def, completions);
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this.min = min;
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this.max = max;
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}
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public Long parse(CommandEnvironment env, String input) {
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long value;
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try {
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value = Long.parseLong(input);
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}
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catch(NumberFormatException e) {
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throw new RunException("Ungültige Ganzzahl '%s'", input);
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}
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if(this.min != null && value < this.min)
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if(this.max != null)
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throw new RunException("Die Zahl muss im Bereich %d .. %d liegen, habe %d", this.min, this.max, value);
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else
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throw new RunException("Die Zahl muss mindestens %d betragen, habe %d", this.min, value);
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if(this.max != null && value > this.max)
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if(this.min != null)
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throw new RunException("Die Zahl muss im Bereich %d .. %d liegen, habe %d", this.min, this.max, value);
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else
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throw new RunException("Die Zahl darf höchstens %d betragen, habe %d", this.max, value);
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return value;
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}
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public Class<?> getTypeClass() {
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return this.hasDefault() ? long.class : Long.class;
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}
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}
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