com.eryansky.common.web.struts2.converter.DoubleConverter.java Source code

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Here is the source code for com.eryansky.common.web.struts2.converter.DoubleConverter.java

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/**
 *  Copyright (c) 2012-2014 http://www.eryansky.com
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.eryansky.common.web.struts2.converter;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.util.StrutsTypeConverter;

import java.text.DecimalFormat;
import java.util.Map;

/**
 * ?.
 * 
 * @author &Eryan eryanwcp@gmail.com
 * @date 2013-4-5 ?12:44:08
 * 
 */
public class DoubleConverter extends StrutsTypeConverter {
    // ???
    private DecimalFormat decimalFormat = new DecimalFormat("###,###,###,###,##0.00");

    @Override
    public Object convertFromString(Map context, String[] values, Class toClass) {
        if (values != null && values.length > 0) {
            if (values[0].indexOf(',') != -1) {
                return Double.parseDouble(StringUtils.replace(values[0], ",", ""));
            } else {
                return Double.parseDouble(values[0]);
            }
        }
        return null;
    }

    @Override
    public String convertToString(Map context, Object o) {
        if (o != null) {
            return decimalFormat.format(o);
        }
        return null;
    }

}