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import java.net.*;

import java.io.*;

import java.util.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class SaveFileServlet extends HttpServlet

{

FileWriter savefile;

String filename = null;

String value = null;

/**

* Handles a POST request

*/

public void doPost(

HttpServletRequest request,

HttpServletResponse response)

throws ServletException, IOException

{

PrintWriter out = response.getWriter();

response.setContentType( "text/html ");

//FileWriter savefile;

try {

// Verify the content type

String ct = request.getContentType();

if (!ct.startsWith( "multipart/form-data "))

throw new RuntimeException

( "Invalid content type ");

// Get the boundary string

int p = ct.indexOf( "boundary= ");

if (p == -1)

throw new RuntimeException

( "No boundary string found ");

p += "boundary= ".length();

String boundary = "-- " + ct.substring(p);

String finalBoundary = boundary + "-- ";

// We 'll parse the multipart/form-data

// with a finite state machine

// Define names for the parser states

final int INIT = 0;

final int READING_HEADERS = 1;

final int READING_DATA = 2;

int state = INIT;

// Read and extract the fields

BufferedReader in = request.getReader();

main: for (;;) {

String line = in.readLine();

if (line == null)

break;

switch (state) {

// State 0: Ignoring everything before

// the first boundary

case INIT:

if (line.startsWith(finalBoundary))

break main;

if (line.startsWith(boundary)) {

state = READING_HEADERS;

filename = " ";

value = " ";

}

break;

// State 1: Parsing the headers

case READING_HEADERS:

if (line.length() == 0)

state = READING_DATA;

else {

// Get the field name

p = line.indexOf( "filename=\ " ");

if (p == -1)

break;

p += "filename=\ " ".length();

// ... up to the closing quote.

int q = line.indexOf( "\ " ", p);

if (q == -1)

break;

filename = line.substring(p, q);

filename= "./config/medet/applications/DefaultWebApp/ "+filename.substring(filename.lastIndexOf( "\\ ")+1);

savefile=new FileWriter(filename);

value = " ";

}

break;

// State 2: Reading the data

case READING_DATA:

if (line.startsWith(finalBoundary)) {

savefile.write(value);

savefile.close();

break main;

}

if (line.startsWith(boundary)) {

state = READING_HEADERS;

}

else {

if (value.length() > 0)

value += "\n ";

value += line;

}

break;

}

}

// Report the incident number back to the client

String[] text = {

" ",

"

",

" ",

"

文件32313133353236313431303231363533e58685e5aeb931333262373264上传成功 ",

" ",

"

",

"

",

"

文件上传成功!

",

"

"

};

for (int i = 0; i < text.length; i++)

out.println(text[i]);

out.println(filename);

out.println( " ");

out.println( " ");

}

catch (Exception e) {

// Write the exception message

out.println( "

Error:

");

out.println( "

 ");

out.println(e.getMessage());

out.println( "

");

}

finally {

out.flush();

}

}

}

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