com.redsqirl.useful.NumberConverter.java Source code

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Here is the source code for com.redsqirl.useful.NumberConverter.java

Source

/** 
 *  Copyright  2016 Red Sqirl, Ltd. All rights reserved.
 *  Red Sqirl, Clarendon House, 34 Clarendon St., Dublin 2. Ireland
 *
 *  This file is part of Red Sqirl
 *
 *  User agrees that use of this software is governed by: 
 *  (1) the applicable user limitations and specified terms and conditions of 
 *      the license agreement which has been entered into with Red Sqirl; and 
 *  (2) the proprietary and restricted rights notices included in this software.
 *  
 *  WARNING: THE PROPRIETARY INFORMATION OF Red Sqirl IS PROTECTED BY IRISH AND 
 *  INTERNATIONAL LAW.  UNAUTHORISED REPRODUCTION, DISTRIBUTION OR ANY PORTION
 *  OF IT, MAY RESULT IN CIVIL AND/OR CRIMINAL PENALTIES.
 *  
 *  If you have received this software in error please contact Red Sqirl at 
 *  support@redsqirl.com
 */

package com.redsqirl.useful;

import java.io.Serializable;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;

import org.apache.commons.lang3.math.NumberUtils;

public class NumberConverter implements Converter, Serializable {

    @Override
    public Object getAsObject(FacesContext context, UIComponent component, String value) {
        return value;
    }

    @Override
    public String getAsString(FacesContext context, UIComponent component, Object value) {

        if (value == null) {
            return null;
        }

        if (value instanceof Float || value instanceof Double) {
            double dblValue = Double.parseDouble(value.toString());
            if (dblValue - ((int) dblValue) > 0) {
                if (dblValue > 10E5 || dblValue - ((int) dblValue) < 10E-3) {
                    return String.format("%.2E", dblValue);
                } else {
                    return String.format("%.2f", dblValue);
                }
            }
        }

        return value.toString();
    }

}