ubbcode.java

jsp 留言系统try { Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance()

package com.guestbook;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
//定义类，对客户留言进行文字处理
public class UbbCode
{


	private String source;
	private String ubbTags[];
	private String htmlTags[];

	public UbbCode()
	{
		byte byte0 = 52;
		source = new String();
		ubbTags = new String[byte0];
		htmlTags = new String[byte0];
		ubbTags[0] = "[b]";
		htmlTags[0] = "<b>";
		ubbTags[1] = "[/b]";
		htmlTags[1] = "</b>";
		ubbTags[2] = "[i]";
		htmlTags[2] = "<em>";
		ubbTags[3] = "[/i]";
		htmlTags[3] = "</em>";
		ubbTags[4] = "[quote]";
		htmlTags[4] = "<div style=\"border-style:dashed;background-color:#CCCCCC;border-width:thin;border-color:#999999\"><br><em>";
		ubbTags[5] = "[/quote]";
		htmlTags[5] = "</em><br><br></div>";
		ubbTags[6] = "[/size]";
		htmlTags[6] = "</font>";
		ubbTags[7] = "[size=6]";
		htmlTags[7] = "<font style=\"font-size:6px\">";
		ubbTags[8] = "[size=8]";
		htmlTags[8] = "<font style=\"font-size:8px\">";
		ubbTags[9] = "[size=10]";
		htmlTags[9] = "<font style=\"font-size:10px\">";
		ubbTags[10] = "[size=12]";
		htmlTags[10] = "<font style=\"font-size:12px\">";
		ubbTags[11] = "[size=14]";
		htmlTags[11] = "<font style=\"font-size:14px\">";
		ubbTags[12] = "[size=18]";
		htmlTags[12] = "<font style=\"font-size:18px\">";
		ubbTags[13] = "[size=24]";
		htmlTags[13] = "<font style=\"font-size:24px\">";
		ubbTags[14] = "[size=36]";
		htmlTags[14] = "<font style=\"font-size:36px\">";
		ubbTags[15] = "[/font]";
		htmlTags[15] = "</font>";
		ubbTags[16] = "[font=宋体]";
		htmlTags[16] = "<font face=\"宋体\">";
		ubbTags[17] = "[font=黑体]";
		htmlTags[17] = "<font face=\"黑体\">";
		ubbTags[18] = "[font=隶书]";
		htmlTags[18] = "<font face=\"隶书\">";
		ubbTags[19] = "[font=仿宋_GB2312]";
		htmlTags[19] = "<font face=\"仿宋_GB2312\">";
		ubbTags[20] = "[font=幼圆]";
		htmlTags[20] = "<font face=\"幼圆\">";
		ubbTags[21] = "[font=Arial]";
		htmlTags[21] = "<font face=\"Arial\">";
		ubbTags[22] = "[font=Times New Roman]";
		htmlTags[22] = "<font face=\"Times New Roman\">";
		ubbTags[23] = "[red]";
		htmlTags[23] = "<font color=\"red\">";
		ubbTags[24] = "[/red]";
		htmlTags[24] = "</font>";
		ubbTags[25] = "[blue]";
		htmlTags[25] = "<font color=\"blue\">";
		ubbTags[26] = "[/blue]";
		htmlTags[26] = "</font>";
		ubbTags[27] = "[yellow]";
		htmlTags[27] = "<font color=\"yellow\">";
		ubbTags[28] = "[/yellow]";
		htmlTags[28] = "</font>";
		ubbTags[29] = "[green]";
		htmlTags[29] = "<font color=\"green\">";
		ubbTags[30] = "[/green]";
		htmlTags[30] = "</font>";
		ubbTags[31] = "[h1]";
		htmlTags[31] = "<h1>";
		ubbTags[32] = "[/h1]";
		htmlTags[32] = "</h1>";
		ubbTags[33] = "[h2]";
		htmlTags[33] = "<h2>";
		ubbTags[34] = "[/h2]";
		htmlTags[34] = "</h2>";
		ubbTags[35] = "[h3]";
		htmlTags[35] = "<h3>";
		ubbTags[36] = "[/h3]";
		htmlTags[36] = "</h3>";
		ubbTags[37] = "[h4]";
		htmlTags[37] = "<h4>";
		ubbTags[38] = "[/h4]";
		htmlTags[38] = "</h4>";
		ubbTags[39] = "[h5]";
		htmlTags[39] = "<h5>";
		ubbTags[40] = "[/h5]";
		htmlTags[40] = "</h5>";
		ubbTags[41] = "[h6]";
		htmlTags[41] = "<h6>";
		ubbTags[42] = "[/h6]";
		htmlTags[42] = "</h6>";
		ubbTags[43] = "[hr]";
		htmlTags[43] = "<hr>";
		ubbTags[44] = "[img]";
		htmlTags[44] = "<br><img src=\"";
		ubbTags[45] = "[/img]";
		htmlTags[45] = "\"><br>";
		ubbTags[46] = "[center]";
		htmlTags[46] = "<div align=\"center\">";
		ubbTags[47] = "[/center]";
		htmlTags[47] = "</div>";
		ubbTags[48] = "[left]";
		htmlTags[48] = "<div align=\"left\">";
		ubbTags[49] = "[/left]";
		htmlTags[49] = "</div>";
		ubbTags[50] = "[right]";
		htmlTags[50] = "<div align=\"right\">";
		ubbTags[51] = "[/right]";
		htmlTags[51] = "</div>";
	}

	private String replace(String s, String s1, String s2)
	{
		StringBuffer stringbuffer = new StringBuffer();
		for (int i = 0; i < s1.length(); i++)
		{
			char c = s1.charAt(i);
			switch (c)
			{
			case 91: // '['
				stringbuffer.append("\\[");
				break;

			case 93: // ']'
				stringbuffer.append("\\]");
				break;

			default:
				stringbuffer.append(c);
				break;
			}
		}

		Pattern pattern = Pattern.compile(stringbuffer.toString());
		Matcher matcher = pattern.matcher(s);
		StringBuffer stringbuffer1 = new StringBuffer();
		for (boolean flag = matcher.find(); flag; flag = matcher.find())
			matcher.appendReplacement(stringbuffer1, s2);

		return matcher.appendTail(stringbuffer1).toString();
	}

	private String replaceNormalUBBCode(String s)
	{
		String s1 = new String(s);
		for (int i = 0; i < ubbTags.length; i++)
			s1 = replace(s1, ubbTags[i], htmlTags[i]);

		return s1;
	}

	private String replaceURL(String s)
	{
		StringBuffer stringbuffer = new StringBuffer(s);
		String s1 = new String();
		int i = s.indexOf("[url]");
		int j = s.indexOf("[/url]");
		if (i != -1 && j != -1 && i < j)
		{
			String s2 = s.substring(i + 5, j);
			String s3 = "<a href=\"" + s2 + "\">" + s2 + "</a>";
			stringbuffer.replace(i, j + 6, s3);
		}
		return stringbuffer.toString();
	}

	private String replaceEmail(String s)
	{
		StringBuffer stringbuffer = new StringBuffer(s);
		String s1 = new String();
		int i = s.indexOf("[email]");
		int j = s.indexOf("[/email]");
		if (i != -1 && j != -1 && i < j)
		{
			String s2 = s.substring(i + 7, j);
			String s3 = "<a href=\"mailto:" + s2 + "\">" + s2 + "</a>";
			stringbuffer.replace(i, j + 8, s3);
		}
		return stringbuffer.toString();
	}

	public void setSource(String s)
	{
		source = s;
	}

	public String getResult()
	{
		return source;
	}

	public void run()
	{
		for (source = replaceNormalUBBCode(source); source.indexOf("[url]") != -1 && source.indexOf("[/url]") != -1; source = replaceURL(source));
		for (; source.indexOf("[email]") != -1 && source.indexOf("[/email]") != -1; source = replaceEmail(source));
	}
}