Example usage for java.text DecimalFormat isParseBigDecimal

Introduction

In this page you can find the example usage for java.text DecimalFormat isParseBigDecimal.

Prototype

public boolean isParseBigDecimal() 

Source Link

Document

Returns whether the #parse(java.lang.String,java.text.ParsePosition) method returns BigDecimal .

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DecimalFormat format = new DecimalFormat();

    System.out.println(format.isParseBigDecimal());

}

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From source file:org.crazydog.util.spring.NumberUtils.java

/**
 * Parse the given text into a number instance of the given target class,
 * using the given NumberFormat. Trims the input {@code String}
 * before attempting to parse the number.
 *
 * @param text         the text to convert
 * @param targetClass  the target class to parse into
 * @param numberFormat the NumberFormat to use for parsing (if {@code null},
 *                     this method falls back to {@code parseNumber(String, Class)})
 * @return the parsed number//  w w w. java  2  s . c o m
 * @throws IllegalArgumentException if the target class is not supported
 *                                  (i.e. not a standard Number subclass as included in the JDK)
 * @see NumberFormat#parse
 * @see #convertNumberToTargetClass
 * @see #parseNumber(String, Class)
 */
public static <T extends Number> T parseNumber(String text, Class<T> targetClass, NumberFormat numberFormat) {
    if (numberFormat != null) {
        org.springframework.util.Assert.notNull(text, "Text must not be null");
        org.springframework.util.Assert.notNull(targetClass, "Target class must not be null");
        DecimalFormat decimalFormat = null;
        boolean resetBigDecimal = false;
        if (numberFormat instanceof DecimalFormat) {
            decimalFormat = (DecimalFormat) numberFormat;
            if (BigDecimal.class == targetClass && !decimalFormat.isParseBigDecimal()) {
                decimalFormat.setParseBigDecimal(true);
                resetBigDecimal = true;
            }
        }
        try {
            Number number = numberFormat.parse(StringUtils.trimAllWhitespace(text));
            return convertNumberToTargetClass(number, targetClass);
        } catch (ParseException ex) {
            throw new IllegalArgumentException("Could not parse number: " + ex.getMessage());
        } finally {
            if (resetBigDecimal) {
                decimalFormat.setParseBigDecimal(false);
            }
        }
    } else {
        return parseNumber(text, targetClass);
    }
}

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