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wpsmith/price.java

Created July 4, 2021 00:01
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  1. wpsmith created this gist Jul 4, 2021.
    98 changes: 98 additions & 0 deletions price.java
    View file
    Original file line number Diff line number Diff line change
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    package wpsmith.utils;

    import java.math.BigDecimal;
    import java.math.RoundingMode;
    import java.text.DecimalFormat;

    /**
    * Price Object.
    *
    * Price.parseDouble(myDouble).toString().
    */
    public class Price {

    /**
    * Scale.
    */
    protected static int SCALE = 0;

    /**
    * Rounding Mode.
    */
    protected static RoundingMode ROUNDING_MODE = RoundingMode.HALF_UP;

    /**
    * Sets the scale for BigDecimal values.
    *
    * @param value Number of decimals.
    */
    public static void setScale(int value) {
    SCALE = value;
    }

    /**
    * Set the scale and rounding method on Big Decimal.
    *
    * @param amount Amount to format.
    * @return BigDecimal
    */
    public static BigDecimal parseBigDecimal(BigDecimal amount) {
    return amount.setScale(SCALE, ROUNDING_MODE);
    }

    /**
    * Parses a float into a Big Decimal.
    *
    * @param amount Amount to format.
    * @return BigDecimal
    */
    public static BigDecimal parseFloat(Float amount) {
    return parseBigDecimal(BigDecimal.valueOf(amount));
    }

    /**
    * Parses a float into a Big Decimal.
    *
    * @param amount Amount to format.
    * @return BigDecimal
    */
    public static BigDecimal parseInt(int amount) {
    return parseBigDecimal(BigDecimal.valueOf(amount));
    }

    /**
    * Parses a float into a Big Decimal.
    *
    * @param amount Amount to format.
    * @return BigDecimal
    */
    public static BigDecimal parseDouble(double amount) {
    return parseBigDecimal(BigDecimal.valueOf(amount));
    }

    /**
    * Parses a string into a Big Decimal.
    *
    * @param amount Amount to format.
    * @return BigDecimal
    */
    public static BigDecimal parseString(String amount) {
    return parseDouble(Double.parseDouble(amount));
    }

    /**
    * Gets decimal value as string.
    *
    * @param value BigDecimal
    * @return String
    */
    public static String getBigDecimalAsString(BigDecimal value) {
    value = Price.parseBigDecimal(value);
    DecimalFormat df = new DecimalFormat();
    df.setMaximumFractionDigits(SCALE);
    df.setMinimumFractionDigits(SCALE);
    df.setGroupingUsed(false);
    return df.format(value);
    }

    }