stringutil.java

spring struts hibernate 集成开发的web应用

package com.sc.util;

import java.io.*;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author 
 * @version 1.0
 */
public class StringUtil {

  /**
   * 将null字符串用""代替
   * @param object 给定字符串,如果不是字符串，以其toString()转成字符串
   * @return 如果s==null,return "",否则，return s;
   */
  public static String chopNullString(Object object) {
    if (object == null)return "";
    return object.toString();
  }

  public static String chopNull2Blank(Object object) {
    if (object == null)return "&nbsp;";
    return object.toString();
  }

  public static String changeHhtml(String strIn) throws Exception{
      StringBuffer strReturn = new StringBuffer();
      BufferedReader br = new BufferedReader(new StringReader(strIn));
      String str=br.readLine();
      while (str != null) {
          strReturn.append("document.write(\""+str+"\");");
          str = br.readLine();
      }
      return strReturn.toString();
  }
}