package net.acai.filter;import java.util.regex.*;/** * Title:        清清網絡 * Description: * Copyright:    Copyright (c) 2002 * Company:      www.qingqing.com * @author:       qingqing * @version 1.0 */public class CodeFilter extends filter {  public CodeFilter(String s) {    super(s);  }  public CodeFilter() {  }  public String convertString(){    return codeConverter();  }  public String codeConverter(){		Pattern p;		Matcher m;		String codeBgcolor="red";		StringBuffer sb;		boolean result;		String reg="(\\[code\\])(.[^\\[]*)(\\[\\/code\\])";        p = Pattern.compile(            reg,            Pattern.CASE_INSENSITIVE);        m = p.matcher(s);        sb = new StringBuffer();        result = m.find();        while(result) {            m.appendReplacement(sb,"<table width='100%' border='0' cellspacing='0' cellpadding='6' bgcolor='"+codeBgcolor+"'><td><b>以下內容為程序代碼:</b><br>"+m.group(2)+"</td></table>");            result = m.find();        }        m.appendTail(sb);		return sb.toString();	}}