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FxServerThread.java
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FxServerThread.java
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import java.net.*;
import java.io.*;
import java.nio.file.*;
import java.util.StringTokenizer;
public class FxServerThread extends Thread{
private Socket connectionFromClient = null;
public FxServerThread(Socket connectionFromClient){
this.connectionFromClient = connectionFromClient;
start();
}
public void run(){
try {
InputStream in = connectionFromClient.getInputStream();
OutputStream out = connectionFromClient.getOutputStream();
BufferedReader headerReader = new BufferedReader(new InputStreamReader(in));
BufferedWriter headerWriter = new BufferedWriter(new OutputStreamWriter(out));
DataInputStream DataIn = new DataInputStream(in);
DataOutputStream DataOut = new DataOutputStream(out);
String header = headerReader.readLine();
StringTokenizer strk = new StringTokenizer(header, " ");
String command = strk.nextToken();
String fileName = strk.nextToken();
String errorMessage = "NOT FOUND\n";
if(command.equals("download")) {
try {
errorMessage = "NOT FOUND\n";
FileInputStream fileIn = new FileInputStream("ServerShare/" + fileName);
int fileSize = fileIn.available();
header = "OK " + fileSize + "\n";
headerWriter.write(header, 0, header.length());
headerWriter.flush();
byte[] bytes = new byte[fileSize];
fileIn.read(bytes);
fileIn.close();
DataOut.write(bytes, 0, fileSize);
} catch(Exception ex) {
headerWriter.write(errorMessage, 0, errorMessage.length());
headerWriter.flush();
} finally {
connectionFromClient.close();
}
} else if(command.equals("upload")) {
try {
int size = Integer.parseInt(strk.nextToken());
byte[] space = new byte[size];
DataIn.readFully(space);
FileOutputStream fileOut = new FileOutputStream("ServerShare/" + fileName);
fileOut.write(space, 0, size);
fileOut.close();
header = "OK" + "\n";
headerWriter.write(header, 0, header.length());
headerWriter.flush();
} catch (FileNotFoundException ex){
} finally {
connectionFromClient.close();
}
} else if(command.equals("delete")) {
try {
Files.delete(Paths.get("ServerShare/" + fileName));
header = "OK" + "\n";
headerWriter.write(header, 0, header.length());
headerWriter.flush();
} catch(Exception ex) {
errorMessage = "NOT FOUND\n";
headerWriter.write(errorMessage, 0, errorMessage.length());
headerWriter.flush();
} finally {
connectionFromClient.close();
}
} else {
}
} catch(Exception e) {
}
}
}