jsf 利用 fckeditor进行内容编辑和文件上传

一、fckeditor 基本解决中文乱码和可运行的更改程序可参考fangbiao23.iteye.com/admin/show/130831

二、fckeditor在jsf中使用的一些相关设置和修改

web.xml

文件上传SimpleuploadServlet.java
支持文件大小控制
/*
* FCKeditor - The text editor for internet
* Copyright (C) 2003-2005 Frederico Caldeira Knabben
*
* Licensed under the terms of the GNU Lesser General Public License:
* http://www.opensource.org/licenses/lgpl-license.php
*
* For further information visit:
* http://www.fckeditor.net/
*
* File Name: SimpleUploaderServlet.java
* Java File Uploader class.
*
* Version:  2.3
* Modified: 2005-08-11 16:29:00
*
* File Authors:
* Simone Chiaretta (simo@users.sourceforge.net)
*/

package com.fredck.FCKeditor.uploader;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;


import org.apache.commons.fileupload.*;

import javax.xml.parsers.*;
import org.w3c.dom.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.log4j.Logger;

/**
* Servlet to upload files.<br>
*
* This servlet accepts just file uploads, eventually with a parameter specifying file type
*
* @author Simone Chiaretta (simo@users.sourceforge.net)
*/

public class SimpleUploaderServlet extends HttpServlet {

private static String baseDir;
private static boolean debug=false;
private static boolean enabled=false;
private static Hashtable allowedExtensions;
private static Hashtable deniedExtensions;
private static Hashtable allowedSize;//限制文件大小
private static String retVal="0";
private static long typeAllowedSize;
private static Logger log = Logger.getLogger(SimpleUploaderServlet.class);

/**
* Initialize the servlet.<br>
* Retrieve from the servlet configuration the "baseDir" which is the root of the file repository:<br>
* If not specified the value of "/UserFiles/" will be used.<br>
* Also it retrieve all allowed and denied extensions to be handled.
*
*/
public void init() throws ServletException {

debug=(new Boolean(getInitParameter("debug"))).booleanValue();

if(debug) System.out.println("\r\n---- SimpleUploaderServlet initialization started ----");

baseDir=getInitParameter("baseDir");
enabled=(new Boolean(getInitParameter("enabled"))).booleanValue();

if(baseDir==null)
baseDir="/EpUserFiles/";
String realBaseDir=getServletContext().getRealPath(baseDir);
File baseFile=new File(realBaseDir);
if(!baseFile.exists()){
baseFile.mkdir();
}

allowedExtensions = new Hashtable(3);
deniedExtensions = new Hashtable(3);
allowedSize = new Hashtable(3);

allowedExtensions.put("File",stringToArrayList(getInitParameter("AllowedExtensionsFile")));
deniedExtensions.put("File",stringToArrayList(getInitParameter("DeniedExtensionsFile")));
allowedSize.put("File", new Long(getInitParameter("AllowedFileSize")).longValue());

allowedExtensions.put("Image",stringToArrayList(getInitParameter("AllowedExtensionsImage")));
deniedExtensions.put("Image",stringToArrayList(getInitParameter("DeniedExtensionsImage")));
allowedSize.put("Image", new Long(getInitParameter("AllowedImageSize")).longValue());

allowedExtensions.put("Flash",stringToArrayList(getInitParameter("AllowedExtensionsFlash")));
deniedExtensions.put("Flash",stringToArrayList(getInitParameter("DeniedExtensionsFlash")));
allowedSize.put("Flash", new Long(getInitParameter("AllowedFlashSize")).longValue());

if(debug) System.out.println("---- SimpleUploaderServlet initialization completed ----\r\n");

}


/**
* Manage the Upload requests.<br>
*
* The servlet accepts commands sent in the following format:<br>
* simpleUploader?Type=ResourceType<br><br>
* It store the file (renaming it in case a file with the same name exists) and then return an HTML file
* with a javascript command in it.
*
*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

if (debug) System.out.println("--- BEGIN DOPOST ---");

response.setContentType("text/html; charset=UTF-8");
response.setHeader("Cache-Control","no-cache");
PrintWriter out = response.getWriter();


String typeStr=request.getParameter("Type");

String currentPath=baseDir+typeStr;
//在此为每个能上传图片的用片增加一个user目录,利用session来做
currentPath = currentPath+"/userName/";
String currentDirPath=getServletContext().getRealPath(currentPath);
currentPath=request.getContextPath()+currentPath;

File addUserNameFile=new File(currentDirPath);
if(!addUserNameFile.exists()){
addUserNameFile.mkdirs();
}

if (debug) System.out.println(currentDirPath);


String newName="";
String fileUrl="";
String errorMessage="";

if(enabled) {
DiskFileUpload upload = new DiskFileUpload();
upload.setHeaderEncoding("utf-8");
try {
List items = upload.parseRequest(request);
Map fields=new HashMap();

Iterator iter = items.iterator();

while (iter.hasNext()) {
    FileItem item = (FileItem) iter.next();
   
    if (item.isFormField())
    fields.put(item.getFieldName(),item.getString());
    else
    fields.put(item.getFieldName(),item);
}
FileItem uplFile=(FileItem)fields.get("NewFile");
String fileNameLong=uplFile.getName();
fileNameLong=fileNameLong.replace('\\','/');
String[] pathParts=fileNameLong.split("/");
String fileName=pathParts[pathParts.length-1];
long uploadFileSize = uplFile.getSize();

log.info("上传的文件大小为: ["+uploadFileSize+"]");
log.info("上传的文件名称为：["+fileName+"]");

String nameWithoutExt=getNameWithoutExtension(fileName);
String ext=getExtension(fileName);

File pathToSave=new File(currentDirPath,fileName);
//fileUrl=currentPath+"/"+fileName;
fileUrl=currentPath;
if(extIsAllowed(typeStr,ext,uploadFileSize)) {
//确保文件目录存在
if(!addUserNameFile.exists()){
addUserNameFile.mkdirs();
}
int counter=1;
newName = fileName;
while(pathToSave.exists()){
newName=nameWithoutExt+"("+counter+")"+"."+ext;
//fileUrl=currentPath+"/"+newName;
fileUrl=currentPath;
retVal="201";
pathToSave=new File(currentDirPath,newName);
counter++;
}
uplFile.write(pathToSave);
}
else {
//执行size过大提示信息
if(!retVal.equals("88")){
retVal="202";
errorMessage="";
if (debug) System.out.println("无效的文件类型: " + ext);
}else{
errorMessage="上传文件过大,该文件类型上传的大小允许在 "+typeAllowedSize+" 字节范围";
log.info("上传文件名称为：["+fileName+"]的文件大小为: ["+uploadFileSize+"] 超过 {"+typeAllowedSize+"}的允许范围!");
if (debug) System.out.println("上传文件过大: " + ext);
}
}
}catch (Exception ex) {
if (debug) ex.printStackTrace();
retVal="203";
}
}
else {
retVal="1";
errorMessage="无法上传文件. 请检查 WEB-INF/web.xml 文件!";
}


out.println("<script type=\"text/javascript\">");
out.println("window.parent.OnUploadCompleted("+retVal+",'"+fileUrl+"','"+newName+"','"+errorMessage+"');");
out.println("</script>");
out.flush();
out.close();

if (debug) System.out.println("--- END DOPOST ---");

}


/*
* This method was fixed after Kris Barnhoorn (kurioskronic) submitted SF bug #991489
*/
  private static String getNameWithoutExtension(String fileName) {
    return fileName.substring(0, fileName.lastIndexOf("."));
    }
   
/*
* This method was fixed after Kris Barnhoorn (kurioskronic) submitted SF bug #991489
*/
private String getExtension(String fileName) {
return fileName.substring(fileName.lastIndexOf(".")+1);
}



/**
* Helper function to convert the configuration string to an ArrayList.
*/

private ArrayList stringToArrayList(String str) {

if(debug) System.out.println(str);
String[] strArr=str.split("\\|");

ArrayList tmp=new ArrayList();
if(str.length()>0) {
for(int i=0;i<strArr.length;++i) {
if(debug) System.out.println(i +" - "+strArr[i]);
tmp.add(strArr[i].toLowerCase());
}
}
return tmp;
}


/**
* Helper function to verify if a file extension is allowed or not allowed.
*/

private boolean extIsAllowed(String fileType, String ext,long size) {

ext=ext.toLowerCase();

ArrayList allowList=(ArrayList)allowedExtensions.get(fileType);
ArrayList denyList=(ArrayList)deniedExtensions.get(fileType);
long allowSize = ((Long)allowedSize.get(fileType)).longValue();
typeAllowedSize = allowSize;
if(allowList.size()==0){
if(denyList.contains(ext)){
return false;
}else{
if(size <= allowSize){
return true;
}
else{
retVal = "88"; //提示文件过大特殊符号
return false;
}
}
}
if(denyList.size()==0){
if(allowList.contains(ext)){
if(size <= allowSize){
return true;
}
else{
retVal = "88";
return false;
}
}
else{
return false;
}
}
return false;
}

}

以上提供的只是个人经验所得，仅供参考

有个fck-faces可以作jsf应用，不过它是基于myfaces的，不知道有没有高人可以改成基于jsf-ri

是的!!那個是可以用的,不過我沒用,聽說他有一些bug!在使用他時需要做一番修改!