34 lines
1.1 KiB
Java
34 lines
1.1 KiB
Java
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package game.command;
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public class DoubleParser extends DefaultingParser {
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private final Double min;
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private final Double max;
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public DoubleParser(String name, Double def, Double min, Double 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 Double parse(ScriptEnvironment env, String input) {
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double value;
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try {
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value = Double.parseDouble(input);
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}
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catch(NumberFormatException e) {
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throw new ScriptException("Ungültige Gleitkommazahl '%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 ScriptException("Die Zahl muss im Bereich %f .. %f liegen, habe %f", this.min, this.max, value);
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else
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throw new ScriptException("Die Zahl muss mindestens %f betragen, habe %f", 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 ScriptException("Die Zahl muss im Bereich %f .. %f liegen, habe %f", this.min, this.max, value);
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else
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throw new ScriptException("Die Zahl darf höchstens %f betragen, habe %f", this.max, value);
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return value;
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}
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}
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