com.trenako.format.GaugeFormatter.java Source code

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Here is the source code for com.trenako.format.GaugeFormatter.java

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/*
 * Copyright 2012 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.trenako.format;

import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;

import org.springframework.format.number.AbstractNumberFormatter;

import com.trenako.entities.Scale;

/**
 * @author Carlo Micieli
 */
public class GaugeFormatter extends AbstractNumberFormatter {

    @Override
    public String print(Number object, Locale locale) {
        BigDecimal number = new BigDecimal((Integer) object).divide(Scale.GAUGE_FACTOR);
        return super.print(number, locale);
    }

    @Override
    public Integer parse(String text, Locale locale) throws ParseException {
        Integer val = null;
        BigDecimal d = (BigDecimal) super.parse(text, locale);
        if (d != null) {
            val = d.multiply(Scale.GAUGE_FACTOR).intValue();
        }
        return val;
    }

    @Override
    protected NumberFormat getNumberFormat(Locale locale) {
        DecimalFormat format = (DecimalFormat) NumberFormat.getInstance(locale);
        format.setParseBigDecimal(true);
        return format;
    }

}