Java Hex Format formatText(String value, boolean showAsHexFlag)

Description

reads an String representation of an Integer, if the showAsHexFlag is set, it converts it to hex to a hex string representation for display

License

Open Source License

Parameter

Parameter	Description
value	the string to format
showAsHexFlag	the boolean flag that determines wether to display a number as hex

Return

a String to be displayed in the text field

Declaration

public static String formatText(String value, boolean showAsHexFlag)

Method Source Code

//package com.java2s;
// The JavaPOS Config/Loader (aka JCL) is now under the CPL license, which 

public class Main {
    /**//from ww w . j ava2  s. c  om
     * reads an String representation of an Integer, if the showAsHexFlag is set, it converts it to hex
     * to a hex string representation for display
     * @param value the string to format
     * @param showAsHexFlag the boolean flag that determines wether to display a number as hex
     * @return a String to be displayed in the text field
     */
    public static String formatText(String value, boolean showAsHexFlag) {
        try {
            int numberToCheck = Integer.parseInt(value);

            if (showAsHexFlag) {
                StringBuffer buffer = new StringBuffer();
                buffer.append("0x");
                buffer.append(Integer.toHexString(numberToCheck));

                value = buffer.toString();
            }
        } catch (NumberFormatException nfe) {
        }

        return value;
    }
}