com.nec.harvest.util.StringUtil.java Source code

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Here is the source code for com.nec.harvest.util.StringUtil.java

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/*
 * Copyright(C) 2014
 * NEC Corporation All rights reserved.
 * 
 * No permission to use, copy, modify and distribute this software
 * and its documentation for any purpose is granted.
 * This software is provided under applicable license agreement only.
 */
package com.nec.harvest.util;

import org.apache.commons.lang.StringUtils;

/**
 * To format string by user style 
 * 
 * @author huonghv
 *
 */
public class StringUtil<T> {

    /**
     * Change a number to string and format it with style by user define
     * 
     * @param fill
     *            Character to fill up
     * @param total
     *            Length of string return
     * @param number
     *            Number to convert
     * @return String return
     */
    public static <T> String numberToStringWithUserFillUp(String fill, int total, T number) {
        if (StringUtils.isEmpty(fill)) {
            throw new IllegalArgumentException("Number to string fill character must not be null or empty");
        }

        // nts mean that number to string
        String nts = String.valueOf(number);
        int fillUp = total - nts.length();
        if (fillUp > 0) {
            nts = StringUtils.repeat(fill, fillUp) + nts;
        }
        return nts;
    }

    /**
     * Check a string is empty or null
     * 
     * @param text
     * @return
     */
    public static String value(String text) {
        return StringUtils.isEmpty(text) ? StringUtils.EMPTY : text;
    }

    /**
     * Remove comma character in a string
     * 
     * @param text
     * @return
     */
    public static String removeCommaChar(String text) {
        if (StringUtils.isEmpty(text)) {
            return StringUtils.EMPTY;
        }

        return text.replaceAll(",", StringUtils.EMPTY);
    }
}