/*
* XNap
*
* A pure java file sharing client.
*
* See AUTHORS for copyright information.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package xnap.plugin.nap.util;
import xnap.plugin.nap.net.Server;
import xnap.util.Debug;
import java.io.*;
import java.util.*;
public class TrippyMXFile extends ServerFile {
//--- Data Field(s) ---
private FileInputStream in;
private int pos;
//--- Constructor(s) ---
public TrippyMXFile(String filename)
{
super(filename);
}
//--- Method(s) ---
public void openReader() throws IOException
{
in = new FileInputStream(getFilename());
}
public void openWriter() throws IOException
{
throw new IOException("Write not supported");
}
public Server readServer() throws IOException
{
while (true) {
search("OPENNAP041");
String username = readString();
String password = readString();
String email = readString();
String client = readString();
String ip = "";
while (ip.length() == 0) {
ip = readString();
}
// FIX: need to find out more about the format
if (ip.startsWith("*")) {
continue;
}
// little endian
int port = readNumber16();
Server s = new Server(ip, port/*, network*/);
if (!username.equals("XXXX")) {
s.setUsername(username);
s.setPassword(password);
s.setEmail(email);
}
return s;
}
}
public void writeServer(Server s) throws IOException
{
throw new IOException("Write not supported");
}
private String readString() throws IOException
{
int length = in.read();
if (length == 0) {
return "";
}
else if (length != -1) {
Debug.log("length: " + length);
byte[] data = new byte[length];
int read = in.read(data);
if (read == length) {
String s = new String(data);
Debug.log("read: " + s);
return s;
}
}
throw new IOException("File is corrupt.");
}
private int readNumber16() throws IOException
{
int lo = in.read();
int hi = in.read();
if (lo != -1 && hi != -1) {
Debug.log("read 16-bit number: " + (hi * 256 + lo));
return hi * 256 + lo;
}
throw new IOException("File is corrupt.");
}
private void search(String needle) throws IOException
{
int b;
int pos = 0;
while ((b = in.read()) != -1) {
if ((char)b == needle.charAt(pos)) {
pos++;
}
else {
pos = 0;
}
if (pos == needle.length()) {
return;
}
}
throw new IOException("File is corrupt.");
}
}