emailfilter.java

BBS论坛设计JSP＋MYSQL

package com.bcxy.bbs.filter;

/**
 * Title:
 * Description:
 * Copyright:
 * Company: www.liyunet.com
 * 
 * @author lishujiang	
 * @version 1.0
 */

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

public class EmailFilter extends filter {

	public EmailFilter() {
	}

	public EmailFilter(String s) {
		super(s);
	}

	public String convertString() {
		return emailConverter();
	}

	public String emailConverter() {
		Pattern p;
		Matcher m;
		StringBuffer sb;
		boolean result;
		String reg = "\\[email=(.[^\\[]*)\\](.[^\\[]*)(\\[\\/email\\])"
				+ "|\\[email\\](.[^\\[]*)(\\[\\/email\\])";
		p = Pattern.compile(reg, Pattern.CASE_INSENSITIVE);
		m = p.matcher(s);
		sb = new StringBuffer();
		result = m.find();
		while (result && m.group(0) != null) {
			if (m.group(1) != null)
				m.appendReplacement(sb, "<a href=\"mailto:" + m.group(1)
						+ "\">" + m.group(2) + "</font>");
			else if (m.group(4) != null)
				m.appendReplacement(sb, "<a href=\"mailto:" + m.group(4)
						+ "\">" + m.group(4) + "</font>");

			result = m.find();
		}
		m.appendTail(sb);
		return sb.toString();
	}

}