让你的JSP支持Ubbcode

让你的JSP支持Ubbcode

import java.util.regex.*;//导入正则表达式包中的类

/**
* 使网页支持ubbcode.
* @author shanwei
* @version 1.0
*/

public final class Ubbcode {

private static final String ImagePath = "images/"; //定义图片路径
private static final String emotImagePath = "images/emot/";

/**
* @description 转换代码，使之支持ubbcode.
* @param strContent 转换前的代码.
* @return result 转换后的内容.
*/
public static String UBBCode(String strContent) { //
strContent = dvHTMLEncode(strContent);
strContent = FilterJS(strContent);
String re;
//re.IgnoreCase =true
//re.Global=True
Pattern pattern = null; //
Matcher matcher = null;
//转换IMG
re = "\\[IMG\\](http|https|ftp):\\/\\/(.[^\\[]*)\\[\\/IMG\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<a onfocus=this.blur() href=\"$1://$2\" target=_blank><IMG SRC=\"$1://$2\" border=0 alt=按此在新窗口浏览图片 onload=\"javascript:if(this.width>screen.width-333)this.width=screen.width-333\"></a>");
//转换UPLOAD
re = "\\[UPLOAD=(gif|jpg|jpeg|bmp|png)\\](.[^\\[]*)(gif|jpg|jpeg|bmp|png)\\[\\/UPLOAD\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<br><IMG SRC=\"" + ImagePath + "$1.gif\" border=0>此主题相关图片如下：<br><A HREF=\"$2$1\" TARGET=_blank><IMG SRC=\"$2$1\" border=0 alt=按此在新窗口浏览图片 onload=\"javascript:if(this.width>screen.width-333)this.width=screen.width-333\"></A>");
re = "\\[UPLOAD=(.[^\\[]*)\\](.[^\\[]*)\\[\\/UPLOAD\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<br><IMG SRC=\"" + ImagePath +
"$1.gif\" border=0> <a href=\"$2\">点击浏览该文件</a>");
//转换DIR
re = "\\[DIR=*([0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/DIR]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<object classid=clsid:166B1BCA-3F9C-11CF-8075-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=7,0,2,0 width=$1 height=$2><param name=src value=$3><embed src=$3 pluginspage=http://www.macromedia.com/shockwave/download/ width=$1 height=$2></embed></object>");
//转换QT
re = "\\[QT=*([0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/QT]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<embed src=$3 width=$1 height=$2 autoplay=true loop=false controller=true playeveryframe=false cache=false scale=TOFIT bgcolor=#000000 kioskmode=false targetcache=false pluginspage=http://www.apple.com/quicktime/>;");
//转换MP
re = "\\[MP=*([0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/MP]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<object align=middle classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 class=OBJECT id=MediaPlayer width=$1 height=$2 ><param name=ShowStatusBar value=-1><param name=Filename value=$3><embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src=$3 width=$1 height=$2></embed></object>");
//转换RM
re = "\\[RM=*([0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/RM]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<OBJECT classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA class=OBJECT id=RAOCX width=$1 height=$2><PARAM NAME=SRC VALUE=$3><PARAM NAME=CONSOLE VALUE=Clip1><PARAM NAME=CONTROLS VALUE=imagewindow><PARAM NAME=AUTOSTART VALUE=true></OBJECT><br><OBJECT classid=CLSID:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA height=32 id=video2 width=$1><PARAM NAME=SRC VALUE=$3><PARAM NAME=AUTOSTART VALUE=-1><PARAM NAME=CONTROLS VALUE=controlpanel><PARAM NAME=CONSOLE VALUE=Clip1></OBJECT>");
//转换FLASH
re = "(\\[FLASH\\])(.[^\\[]*)(\\[\\/FLASH\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<a href=\"$2\" TARGET=_blank><IMG SRC=\"" + ImagePath + "swf.gif\" border=0 alt=点击开新窗口欣赏该FLASH动画! height=16 width=16>[全屏欣赏]</a><br><OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=500 height=400><PARAM NAME=movie VALUE=\"$2\"><PARAM NAME=quality VALUE=high><embed src=\"$2\" quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width=500 height=400>$2</embed></OBJECT>");
re = "(\\[FLASH=*([0-9]*),*([0-9]*)\\])(.[^\\[]*)(\\[\\/FLASH\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<a href=\"$4\" TARGET=_blank><IMG SRC=\"" + ImagePath + "swf.gif\" border=0 alt=点击开新窗口欣赏该FLASH动画! height=16 width=16>[全屏欣赏]</a><br><OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=$2 height=$3><PARAM NAME=movie VALUE=\"$4\"><PARAM NAME=quality VALUE=high><embed src=\"$4\" quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width=$2 height=$3>$4</embed></OBJECT>");
//转换URL
re = "(\\[URL\\])(.[^\\[]*)(\\[\\/URL\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<A HREF=\"$2\" TARGET=_blank>$2</A>");
re = "(\\[URL=(.[^\\[]*)\\])(.[^\\[]*)(\\[\\/URL\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<A HREF=\"$2\" TARGET=_blank>$3</A>");
//转换EMAIL
re = "(\\[EMAIL\\])(\\S+\\@.[^\\[]*)(\\[\\/EMAIL\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<img align=absmiddle src=\"" +
ImagePath +
"email1.gif\"><A HREF=\"mailto:$2\">$2</A>");
re = "(\\[EMAIL=(\\S+\\@.[^\\[]*)\\])(.[^\\[]*)(\\[\\/EMAIL\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<img align=absmiddle src=\"" +
ImagePath +
"email1.gif\"><A HREF=\"mailto:$2\" TARGET=_blank>$3</A>");

//自动识别网址
re =
"^((http|https|ftp|rtsp|mms):(\\/\\/|\\\\)[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$1>$1</a>");
re =
"((http|https|ftp|rtsp|mms):(\\/\\/|\\\\)[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$1>$1</a>");
re = "([^>=\"])((http|https|ftp|rtsp|mms):(\\/\\/|\\\\)[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("$1<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$2>$2</a>");

//自动识别www等开头的网址
re = "([^(http://|http:\\\\)])((www|cn)[.](\\w)+[.]{1,}(net|com|cn|org|cc)(((\\/[\\~]*|\\[\\~]*)(\\w)+)|[.](\\w)+)*(((([?](\\w)+){1}[=]*))*((\\w)+){1}([\\&](\\w)+[\\=](\\w)+)*)*)";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=http://$2>$2</a>");

//自动识别Email地址，如打开本功能在浏览内容很多的帖子会引起服务器停顿
re = "([^(=)])((\\w)+[@]{1}((\\w)+[.]){1,3}(\\w)+)";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=\"mailto:$2\">$2</a>");
//转换EM
re = "\\[em(.[^\\[]*)\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<img src=\"" + emotImagePath +
"em$1.gif\" border=0 align=middle>");
//转换HTML
re = "\\[HTML\\](.[^\\[]*)\\[\\/HTML\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<table width='100%' border='0' cellspacing='0' cellpadding='6' class=tableborder1><td><b>以下内容为程序代码:</b><br>$1</td></table>");
//转换CODE
re = "\\[code\\](.[^\\[]*)\\[\\/code\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<table width='100%' border='0' cellspacing='0' cellpadding='6' class=tableborder1><td><b>以下内容为程序代码:</b><br>$1</td></table>");
//转换COLOR
re = "\\[color=(.[^\\[]*)\\](.[^\\[]*)\\[\\/color\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<font color=$1>$2</font>");
//转换FACE
re = "\\[face=(.[^\\[]*)\\](.[^\\[]*)\\[\\/face\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<font face=$1>$2</font>");
//转换ALIGN
re = "\\[align=(center|left|right)\\](.*)\\[\\/align\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<div align=$1>$2</div>");
//转换QUOTE
re = "\\[QUOTE\\](.*)\\[\\/QUOTE\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<table style=\"width:80%\" cellpadding=5 cellspacing=1 class=tableborder1><TR><TD class=tableborder1>$1</td></tr></table><br>");
//转换FLY
re = "\\[fly\\](.*)\\[\\/fly\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<marquee width=90% behavior=alternate scrollamount=3>$1</marquee>");
//转换MOVE
re = "\\[move\\](.*)\\[\\/move\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<MARQUEE scrollamount=3>$1</marquee>");
//转换GLOW
re =
"\\[GLOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/GLOW]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<table width=$1 style=\"filter:glow(color=$2, strength=$3)\">$4</table>");
//转换SHADOW
re =
"\\[SHADOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\\](.[^\\[]*)\\[\\/SHADOW]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll(
"<table width=$1 style=\"filter:shadow(color=$2, strength=$3)\">$4</table>");

re = "\\[i\\](.[^\\[]*)\\[\\/i\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<i>$1</i>");
re = "\\[u\\](.[^\\[]*)(\\[\\/u\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<u>$1</u>");
re = "\\[b\\](.[^\\[]*)(\\[\\/b\\])";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<b>$1</b>");
re = "\\[size=([1-4])\\](.[^\\[]*)\\[\\/size\\]";
pattern = Pattern.compile(re);
matcher = pattern.matcher(strContent);
strContent = matcher.replaceAll("<font size=$1>$2</font>");
/*re ="(\\s)";
matcher = pattern.matcher(strContent);
strContent=matcher.replaceAll("<I>$1</I>");*/
re = null;
return strContent;
}

/**
* 过滤javascript代码.
* @param v转换前的代码.
* @return v转换后的内容.
*/

public static String FilterJS(String v) {
if (!v.equals("null") && v != null) {
String t, re;
re = "(javascript)";
t = re.replace(v, "javascript");
re = "(jscript:)";
t = re.replace(t, "jscript:");
re = "(js:)";
t = re.replace(t, "js:");
re = "(value)";
t = re.replace(t, "value");
re = "(about:)";
t = re.replace(t, "about:");
re = "(file:)";
t = re.replace(t, "file:");
re = "(document.cookie)";
t = re.replace(t, "documents.cookie");
re = "(vbscript:)";
t = re.replace(t, "vbscript:");
re = "(vbs:)";
t = re.replace(t, "vbs:");
re = "(on(mouse|exit|error|click|key))";
t = re.replace(t, "on$2");
re = "(&#)";
t = re.replace(t, "＆#");
re = null;
}
return v;
}

/**
* 替换一些特殊符号为html语法标记.
* @param fString转换前的代码.
* @return fString转换后的内容.
*/

　public static String dvHTMLEncode(String fString) {
if (!fString.equals("null") && fString != null) {
fString = replace(fString, ">", ">");
fString = replace(fString, "<", "<");
fString = replace(fString, "&", "&");
fString = replace(fString, " ", " ");
fString = replace(fString, "\"", """);
fString = replace(fString, "\'", "'");
fString = replace(fString, "\r", "");
fString = replace(fString, "\n", "<BR> ");
fString = replace(fString, "\\", "\");
}
return fString;
}

/**
* html语法标记转换符号本身.
* @param fString转换前的代码.
* @return fString转换后的内容.
*/

public static String dvHTMLCode(String fString) {
if (!fString.equals("null") && fString != null) {
fString = replace(fString, ">", ">");
fString = replace(fString, "<", "<");
fString = replace(fString, "&", "&");
fString = replace(fString, " ", " ");
fString = replace(fString, """, "\"");
fString = replace(fString, "'", "\'");
fString = replace(fString, "\", "\\");
fString = replace(fString, "<BR>", "\n");
}
return fString;
}

public static String nohtml(String str) {
String re;
Pattern pattern = null;
Matcher matcher = null;
re = "(\\<.[^\\<]*\\>)";
pattern = Pattern.compile(re);
matcher = pattern.matcher(str);
str = matcher.replaceAll(" ");
re = "(\\<\\/[^\\<]*\\>)";
str = re.replace(str, " ");
re = null;
return str;
}

/**
* 分割函数.
* @param source原字符串,div将要被分割的字符串.
* @return returnStr分割后的字符串.
*/

public static String[] split(String source, String div) {
int arynum = 0, intIdx = 0, intIdex = 0, div_length = div.length();
if (source.compareTo("") != 0) {
if (source.indexOf(div) != -1) {
intIdx = source.indexOf(div);
for (int intCount = 1; ; intCount++) {
if (source.indexOf(div, intIdx + div_length) != -1) {
intIdx = source.indexOf(div, intIdx + div_length);
arynum = intCount;
} else {
arynum += 2;
break;
}
}
} else {
arynum = 1;
}
} else {
arynum = 0;

}
intIdx = 0;
intIdex = 0;
String[] returnStr = new String[arynum];

　　if (source.compareTo("") != 0) {
if (source.indexOf(div) != -1) {
intIdx = (int) source.indexOf(div);
returnStr[0] = (String) source.substring(0, intIdx);
for (int intCount = 1; ; intCount++) {
if (source.indexOf(div, intIdx + div_length) != -1) {
intIdex = (int) source.indexOf(div, intIdx + div_length);
returnStr[intCount] = (String) source.substring(intIdx +
div_length,
intIdex);
intIdx = (int) source.indexOf(div, intIdx + div_length);
} else {
returnStr[intCount] = (String) source.substring(intIdx +
div_length,
source.length());
break;
}
}
} else {
returnStr[0] = (String) source.substring(0, source.length());
return returnStr;
}
} else {
return returnStr;
}
return returnStr;
}

/**
* 替换函数.
* @param str替换前的字符串,substr被替换的字符,restr替换的字符.
* @return 替换后并且经过除空处理的字符串.
*/
public static String replace(String str, String substr, String restr) {
String[] tmp = split(str, substr);
String returnstr = null;
if (tmp.length != 0) {
returnstr = tmp[0];
for (int i = 0; i < tmp.length - 1; i++) {
returnstr = dealNull(returnstr) + restr + tmp[i + 1];
}
}
return dealNull(returnstr);
}

/**
* 除空处理函数.
* @param str原字符串.
* @return 处理后的字符串.
*/
public static String dealNull(String str) {
String returnstr = null;
if (str == null) {
returnstr = "";
} else {
returnstr = str;
}
return returnstr;
}

public static String tostring(Character i) {
Character c = i;
return c.toString();
}

}