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让你的JSP支持Ubbcode

王朝java/jsp·作者佚名  2006-05-22
窄屏简体版  字體: |||超大  

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 = "(\\*)\])(.[^\[]*)(\[\/URL\])";

pattern = [url=http://www.javaresearch.org/source/jdk142/java/util/regex/Pattern.java.html]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();

}

}

引自:http://www.javaresearch.org/article/showarticle.jsp?column=106&thread=51550

 
 
 
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