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| 使用Java实现UBBCode的转换 |
编辑：rocks 审核：rocks 文章来源：IT狐
关键词：ubb 发表日期：2006-03-03 10:09:58 浏览次数：9095次 |
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本文版权归原作者，中国JAVA手机网收录本文的目的是让更多人阅读到此文章。转载请注明出处为中国JAVA手机网<www.cnjm.net>
[本文章最后由 rocks 在2006-03-23 15:23:40编辑过]
来自:http://www.cnjm.net/tech/article1072.html
[转载于IT狐]
UBB & JAVA
----Use Java to implement the UBB future.
JAVA手机网[www.cnjm.net]
[Author] pizer.chen -- iceant -- 陈鹏
[email ] iceant@21cn.com
[icq ] 77777369
These days,I write some publish system,just like BBS/news etc.
The client asked me ,whether they can insert the image and href url to the plain text when they published them.
so i write this.
I use xml file for dynamic UBB extends.
U can make the UBB rule of yourself.
The only thing that u need to do is modify the UBB.xml config file.
JAVA手机网[www.cnjm.net] Best Regards
===============
pizer.chen/2001-9-4
===========================
Resource Link
===========================
It is based on xml & RegularExpressions tech.
about xml & regularExpression u can find them here:
[url]http://www.w3.org/XML/[/url]
JAVA手机网[www.cnjm.net] [url]http://xml.apache.org[/url]
JAVA手机网[www.cnjm.net] [url]http://www.meurrens.org/ip-Links/java/regex/navi.html[/url]
JAVA手机网[www.cnjm.net] [url]http://www.savarese.org/oro/[/url]
[url]http://jakarta.apache.org/oro[/url]
about ubb u can find them here:
[url]http://www.ubbdesign.com[/url]
========================
it used :
jakarta-regexp-1.2 (download form [url]http://jakarta.apache.org[/url])
dom4j-0.6(over 0.6 version) (download form [url]http://sourceforge.net[/url])
JAVA手机网[www.cnjm.net] jdk(over 1.2 version) (download form [url]http://java.sun.com[/url])
==========================
UBB.XML
it must be stored in CLASSPATH
==========================
the regularExpression & replace string map file.
<!--============================-->
<?xml version="1.0" encoding="UTF-8"?>
<UBB-map>
<map ubb-code="[b](.+?)[/b]" map-to="<b>$1</b>"/> <!--<b>$1</b>-->
<map ubb-code="[i](.+?)[/i]" map-to="<i>$1</i>"/> <!--<i>$1</i>-->
<map ubb-code="[h1](.+?)[/h1]" map-to="<h1>$1</h1>"/> <!--<h1>$1</h1>-->
<map ubb-code="(.+?)[/url]" map-to="<a href="$1" target="_blank">$2</a>"/> <!--<a href="$1" target="_blank">$2</a>-->
<!--...-->
</UBB-map>
=========================
UBB.java
=========================
JAVA手机网[www.cnjm.net]
/*
* UBB.java
*
* Created on 2001年9月3日, 下午4:01
*/
package com.wacos.util.ubb;
import org.dom4j.*;
import org.dom4j.io.*;
import java.io.*;
import java.util.*;
import org.apache.regexp.*;
/**
*
* @author Pizer.chen -- iceant -- 陈鹏
* @version 0.1
JAVA手机网[www.cnjm.net] */
JAVA手机网[www.cnjm.net] public class UBB {
private static final String XML_CONFIG_FILE = "UBB.xml";
private static org.dom4j.Document doc = null;
/** Creates new UBB */
JAVA手机网[www.cnjm.net] public UBB() {
JAVA手机网[www.cnjm.net] }
public static String parse(String inStr){
try{
List list = getUBBCodeList();
JAVA手机网[www.cnjm.net] String ubbCode="";
String mapStr="";
Attribute attribute=null;
for (Iterator iter = list.iterator(); iter.hasNext(); ) {
attribute = (Attribute) iter.next();
ubbCode = attribute.getValue();
mapStr= getMapValue(ubbCode);
inStr=REReplace.replace(ubbCode,mapStr,inStr);
}
return inStr;
}catch(Exception err){
System.out.println(err);
return err.toString();
}
JAVA手机网[www.cnjm.net] }
JAVA手机网[www.cnjm.net]
/**
* parse the xml file to Document object
JAVA手机网[www.cnjm.net] **/
private static Document xml2Document(){
try{
InputStream is = Thread.currentThread().getContextClassLoader()
.getResourceAsStream(XML_CONFIG_FILE);
SAXReader reader = new SAXReader();
Document document = reader.read(is);
return document;
}catch(Exception err){
System.out.println(err);
return null;
}
}
/**
* use xpath to get the map-to value of the ubb-code.
**/
private static String getMapValue(String ubbCode){
try{
if(doc==null){
JAVA手机网[www.cnjm.net] doc=xml2Document();
}
Node node = doc.selectSingleNode("//map[@ubb-code='"+ubbCode+"']");
return node.valueOf( "@map-to" );
}catch(Exception err){
System.out.println(err);
return err.toString();
}
}
/**
JAVA手机网[www.cnjm.net] * get the <map ubb-code="..." map-to=".."> ubb-code List
**/
private static List getUBBCodeList(){
try{
if(doc==null){
JAVA手机网[www.cnjm.net] doc=xml2Document();
}
return doc.selectNodes( "//map/@ubb-code" );
}catch(Exception err){
System.out.println(err);
return null;
}
}
/**
* get the <map ubb-code="..." map-to=".."> map-to List
**/
private static List getUBBMapList(){
try {
if(doc==null){
doc=xml2Document();
}
return doc.selectNodes("//map//@map-to");
}
catch (Exception e) {
System.out.println(e);
return null;
}
}
}
JAVA手机网[www.cnjm.net]
========================
REReplace.java
========================
package com.wacos.util.ubb;
import java.io.*;
import java.util.*;
import org.apache.regexp.*;
public class REReplace
{
/**
* replace the inStr with pattern1 & pattern2
**/
public static String replace(String pattern1,String pattern2,String inStr){
JAVA手机网[www.cnjm.net] try {
RE re = new RE(pattern1);
int point=0;
JAVA手机网[www.cnjm.net] while(re.match(inStr)){
RE re2 = new RE("\$([0-9])");
while(re2.match(pattern2)){
JAVA手机网[www.cnjm.net] point = Integer.parseInt(re2.getParen(1));
pattern2=re2.subst(pattern2,re.getParen(point),RE.REPLACE_FIRSTONLY);
}
inStr = re.subst(inStr,pattern2);
}
return inStr;
}
catch (Exception e) {
System.out.println(e);
return e.toString();
JAVA手机网[www.cnjm.net] }
}
}
=============================
UBBTest
=============================
package com.wacos.util.ubb;
public class UBBTest
{
public static void main(String[] args)
{
try{
String test ="a[b]test[/b][h1]H1 Font[/h1]rn [url href=[url]http://www.21cn.com[/url]]测试hehe..";
System.out.println(UBB.parse(test));
}catch(Exception err){
System.out.println(err);
}
JAVA手机网[www.cnjm.net] }
}
来自:http://www.cnjm.net/tech/article1072.html
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