com.aistor.common.utils.StringUtils.java Source code

Introduction

Here is the source code for com.aistor.common.utils.StringUtils.java

Source

/**
 * Copyright &copy; 2012-2013 <a href="https://github.com/Dopas/dopas">Dopas</a> All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.aistor.common.utils;

import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * , org.apache.commons.lang3.StringUtils
 * @author Zaric
 * @version 2013-01-15
 */
public class StringUtils extends org.apache.commons.lang3.StringUtils {

    /**
     * ?HTML
     */
    public static String replaceHtml(String html) {
        String regEx = "<.+?>";
        Pattern p = Pattern.compile(regEx);
        Matcher m = p.matcher(html);
        String s = m.replaceAll("");
        return s;
    }

    /**
     * ?
     * @param str 
     * @param length ?
     * @return
     */
    public static String abbr(String str, int length) {
        if (str == null) {
            return "";
        }
        try {
            StringBuilder sb = new StringBuilder();
            int currentLength = 0;
            for (char c : str.toCharArray()) {
                currentLength += String.valueOf(c).getBytes("GBK").length;
                if (currentLength <= length - 3) {
                    sb.append(c);
                } else {
                    sb.append("...");
                    break;
                }
            }
            return sb.toString();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return "";

    }

}