NumericPrompt.java

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package org.bukkit.conversations;

import org.apache.commons.lang.math.NumberUtils;

public abstract class NumericPrompt extends ValidatingPrompt{
    public NumericPrompt() {
        super();
    }

    @Override
    protected boolean isInputValid(ConversationContext context, String input) {
        return NumberUtils.isNumber(input) && isNumberValid(context, NumberUtils.createNumber(input));
    }

    protected boolean isNumberValid(ConversationContext context, Number input) {
        return true;
    }

    @Override
    protected Prompt acceptValidatedInput(ConversationContext context, String input) {
        try
        {
            return acceptValidatedInput(context, NumberUtils.createNumber(input));
        } catch (NumberFormatException e) {
            return acceptValidatedInput(context, NumberUtils.INTEGER_ZERO);
        }
    }

    protected abstract Prompt acceptValidatedInput(ConversationContext context, Number input);

    @Override
    protected String getFailedValidationText(ConversationContext context, String invalidInput) {
        if (NumberUtils.isNumber(invalidInput)) {
            return getFailedValidationText(context, NumberUtils.createNumber(invalidInput));
        } else {
            return getInputNotNumericText(context, invalidInput);
        }
    }

    protected String getInputNotNumericText(ConversationContext context, String invalidInput) {
        return null;
    }

    protected String getFailedValidationText(ConversationContext context, Number invalidInput) {
        return null;
    }
}