Several JSP file upload codes (1/4)

JSP File Upload
Package com. vogoal. util;
Import java. io. BufferedOutputStream;
Import java. io. File;
Import java. io. FileOutputStream;
Import java. io. IOException;
Import java. text. SimpleDateFormat;
Import java. util. ArrayList;
Import java. util. Date;
Import java. util. Hashtable;
Import javax. servlet. ServletInputStream;
Import javax. servlet. http. HttpServletRequest;
/*
* Vogoalapis 1.0
* Auther SinNeR@blueidea.com
* By vogoal.com
* Mail: vogoals@hotmail.com
*/
/**
* JSP File Upload
*
* @ Author SinNeR
* @ Version 1.0
*/
Public class JspFileUpload {
/** Request object */
Private HttpServletRequest request = null;
/** Upload File Path */
Private String uploadPath = null;
/** Get the size of the byte for each read */
Private static int BUFSIZE = 1024*8;
/** Hashtable */
Private Hashtable paramHt = new Hasp tutorial table ();
/** ArrayList */
Private ArrayList updFileArr = new ArrayList ();
/**
* Set the request object.
*
* @ Param request
* HttpServletRequest request object
*/
Public void setRequest (HttpServletRequest request ){
This. request = request;
}
/**
* Set the File Upload path.
*
* @ Param path
* File Upload path specified by the user.
*/
Public void setUploadPath (String path ){
This. uploadPath = path;
}
/**
* Main program for file upload processing. & #65533; & #65533; & #65533; & #65533; & #65533; & #65533; & #65533; B
*
* @ Return int operation result 0 file operation succeeded; 1 request object does not exist. 2. The file storage path is not set or the file storage path is incorrect. 3.
* An error occurred while setting the correct enctype; 4.
*/
Public int process (){
Int status = 0;
// Check the request object, upload path, and enctype before uploading the file.
Status = preCheck ();
// Return the error code when an error occurs.
If (status! = 0)
Return status;
Try {
// & #65533; & #65533; parameter or file name & #65533; u & #65533; & #65533;
String name = null;
// Parameter value
String value = null;
// Whether the read stream is the object flag
Boolean fileFlag = false;
// The file to be stored.
File tmpFile = null;
// Name of the uploaded file
String fName = null;
FileOutputStream baos = null;
BufferedOutputStream bos = null;
// & #65533; & #65533; Hashtable for storing Parameters
ParamHt = new Hashtable ();
UpdFileArr = new ArrayList ();
Int rtnPos = 0;
Byte [] buffs = new byte [BUFSIZE * 8];
// & Amp; #65533; get ContentType
String contentType = request. getContentType ();
Int index = contentType. indexOf ("boundary = ");
String boundary = "--" + contentType. substring (index + 9 );
String endBoundary = boundary + "--";
// & #65533; obtain the stream from the request object.
ServletInputStream sis = request. getInputStream ();
// Read 1 line
While (rtnPos = sis. readLine (buffs, 0, buffs. length ))! =-1 ){
String strBuff = new String (buffs, 0, rtnPos );
// Read 1 row of Data & #65533; n & #65533; & #65533;
If (strBuff. startsWith (boundary )){
If (name! = Null & name. trim (). length ()> 0 ){
If (fileFlag ){
Bos. flush ();
Baos. close ();
Bos. close ();
Baos = null;
Bos = null;
UpdFileArr. add (fName );
} Else {
Object obj = paramHt. get (name );
ArrayList al = new ArrayList ();
If (obj! = Null ){
Al = (ArrayList) obj;
}
Al. add (value );
System. out. println (value );
ParamHt. put (name, al );
}
}
Name = new String ();
Value = new String ();
FileFlag = false;
FName = new String ();
RtnPos = sis. readLine (buffs, 0, buffs. length );
If (rtnPos! =-1 ){
StrBuff = new String (buffs, 0, rtnPos );
If (strBuff. toLowerCase (). startsWith (
"Content-disposition: form-data ;")){
Int nIndex = strBuff. toLowerCase (). indexOf (
"Name = "");
Int nLastIndex = strBuff. toLowerCase (). indexOf (
", NIndex + 6 );
Name = strBuff. substring (nIndex + 6, nLastIndex );
} 1 2 3 4