imgfilter.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 IMGFilter extends filter {
	public IMGFilter(String s) {
		super(s);
	}

	public IMGFilter() {
	}

	public String convertString() {

		return this.IMGConverter();
	}

	public String IMGConverter() {
		Pattern p = Pattern.compile("(\\[IMG\\])(.[^\\[]*)(\\[\\/IMG\\])",
				Pattern.CASE_INSENSITIVE);
		Matcher m = p.matcher(s);
		StringBuffer sb = new StringBuffer();
		// boolean result = m.find();
		while ((m.find())) {
			m
					.appendReplacement(
							sb,
							"<IMG SRC=\""
									+ m.group(2)
									+ "\" border=0 alt=按此在新窗口浏览图片 onload=\"javascript:if(this.width>screen.width-400) this.width=screen.width-400;\" onclick=\"javascript:window.open(this.src);\" onerror=\"javascript:this.src='images/imgErr.gif'\" style=\"cursor:hand\" onmousewheel=\"javascript:wheel(this)\">");
		}
		m.appendTail(sb);
		return sb.toString();
	}
}