DefaultToEmptyNumberFormatter.java

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package org.sleuthkit.autopsy.logicalimager.configuration;

import java.text.NumberFormat;
import java.text.ParseException;
import javax.swing.text.NumberFormatter;

final class DefaultToEmptyNumberFormatter extends NumberFormatter {

    private static final long serialVersionUID = 1L;

    DefaultToEmptyNumberFormatter(NumberFormat format) {
        super(format);
    }

    @Override
    public Object stringToValue(String string)
            throws ParseException {
        Object returnValue = null;
        try {
            returnValue = super.stringToValue(string);
        } catch (ParseException ignored) {
            //reset value to being empty since invalid value was entered
        }
        return returnValue;
    }
}