public void run() {
try {
Socket s = serverSock.accept();
InputStream in = s.getInputStream();
byte b[] = new byte[4096];
// assume we read the entire http request
// (bad assumption but okay for test case)
int nread = in.read(b);
// check the date format by the position of the comma
String request = new String(b, 0, nread);
int pos = request.indexOf("If-Modified-Since:");
int respCode = 200;
if (pos != -1) {
pos += "If-Modified-Since:".length() + 4;
if (pos < nread) {
if (request.charAt(pos) == (char) ',') {
respCode = 304;
}
}
}
OutputStream o = s.getOutputStream();
if (respCode == 304) {
o.write("HTTP/1.1 304 Not Modified".getBytes());
} else {
o.write("HTTP/1.1 200 OK".getBytes());
}
o.write((byte) '\r');
o.write((byte) '\n');
o.write((byte) '\r');
o.write((byte) '\n');
o.flush();
} catch (Exception e) {
}
}
/**
* Copies all data from in to out
*
* @param in the input stream
* @param out the output stream
* @param buffer copy buffer
*/
public static void copyStreamsWithoutClose(InputStream in, OutputStream out, byte[] buffer)
throws IOException {
int b;
while ((b = in.read(buffer)) != -1) out.write(buffer, 0, b);
}
