import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.feistymeow.dragdrop.ListTransferable;
-
/**
* Provides a lightweight way for RNS structures to be accessible over http.
*
* http://cs.fit.edu/~mmahoney/cse3103/java/Webserver.java
*/
-public class BasicWebServer {
+public class BasicWebServer
+{
static private Log logger = LogFactory.getLog(BasicWebServer.class);
private int port;
servingThread socketThread;
private ServerSocket realSocket;
- BasicWebServer(int portIn) {
+ BasicWebServer(int portIn)
+ {
port = portIn;
}
- public void shutDown() {
+ public void shutDown()
+ {
leaving = true;
if (realSocket != null) {
try {
}
}
- public class servingThread implements Runnable {
+ public class servingThread implements Runnable
+ {
private Thread thread;
private ServerSocket serverSocket;
- servingThread(ServerSocket socket) {
+ servingThread(ServerSocket socket)
+ {
serverSocket = socket;
thread = new Thread(this);
thread.start();
}
@Override
- public void run() {
+ public void run()
+ {
while (!leaving) {
try {
logger.debug("about to accept on server socket.");
new ClientHandler(s); // Handle the client in a separate
// thread
} catch (Throwable cause) {
- logger.error(
- "exception raised while handling accepted socket",
- cause);
+ logger.error("exception raised while handling accepted socket", cause);
}
}
}
}
// enums for outcomes? really need better reporting.
- public int startServing() {
+ public int startServing()
+ {
if (socketThread != null)
return 1; // already running outcome.
try {
return 0;
}
- public String predictMimeType(String filename) {
+ public String predictMimeType(String filename)
+ {
// kludge to try one type:
return "text/plain;charset=utf-8";
/*
*
- * if (filename.endsWith(".html") || filename.endsWith(".htm")) return
- * "text/html"; if (filename.endsWith(".jpg") ||
- * filename.endsWith(".jpeg")) return "image/jpeg"; if
- * (filename.endsWith(".gif")) return "image/gif"; if
- * (filename.endsWith(".class")) return "application/octet-stream";
- * return "text/plain";
+ * if (filename.endsWith(".html") || filename.endsWith(".htm")) return "text/html"; if
+ * (filename.endsWith(".jpg") || filename.endsWith(".jpeg")) return "image/jpeg"; if
+ * (filename.endsWith(".gif")) return "image/gif"; if (filename.endsWith(".class")) return
+ * "application/octet-stream"; return "text/plain";
*/
}
// A ClientHandler reads an HTTP request and responds
- class ClientHandler extends Thread {
+ class ClientHandler extends Thread
+ {
private Socket socket; // The accepted socket from the Webserver
// Start the thread in the constructor
- public ClientHandler(Socket s) {
+ public ClientHandler(Socket s)
+ {
socket = s;
start();
}
// Read the HTTP request, respond, and close the connection
- public void run() {
+ public void run()
+ {
try {
logger.debug("into client run(): listening for gets.");
// Open connections to the socket
- BufferedReader in = new BufferedReader(new InputStreamReader(
- socket.getInputStream()));
- PrintStream out = new PrintStream(new BufferedOutputStream(
- socket.getOutputStream()));
+ BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+ PrintStream out = new PrintStream(new BufferedOutputStream(socket.getOutputStream()));
// Read filename from first input line "GET /filename.html ..."
// or if not in this format, treat as a file not found.
// get the command first.
String command = st.nextToken();
// Parse the filename from the command.
- if (st.hasMoreElements() && command.equalsIgnoreCase("GET")
- && st.hasMoreElements()) {
+ if (st.hasMoreElements() && command.equalsIgnoreCase("GET") && st.hasMoreElements()) {
filename = st.nextToken();
- } else if (st.hasMoreElements()
- && command.equalsIgnoreCase("HEAD")
- && st.hasMoreElements()) {
+ } else if (st.hasMoreElements() && command.equalsIgnoreCase("HEAD") && st.hasMoreElements()) {
filename = st.nextToken();
transferFile = false; // don't need to do that, just the
// header.
// Check for illegal characters to prevent access to
// superdirectories
- if (filename.indexOf("..") >= 0
- || filename.indexOf(':') >= 0
- || filename.indexOf('|') >= 0)
+ if (filename.indexOf("..") >= 0 || filename.indexOf(':') >= 0 || filename.indexOf('|') >= 0)
throw new FileNotFoundException();
logger.info("got past filename checks for: " + filename);
/*
- * this doesn't actually check that trailing slash is
- * missing! // If a directory is requested and the trailing
- * / is missing, // send the client an HTTP request to
- * append it. (This is // necessary for relative links to
- * work correctly in the client). if ((new
- * GeniiPath(filename)).isDirectory()) {
- * out.print("HTTP/1.0 301 Moved Permanently\r\n" +
- * "Location: /" + filename + "/\r\n\r\n"); out.close();
- * return; }
+ * this doesn't actually check that trailing slash is missing! // If a directory
+ * is requested and the trailing / is missing, // send the client an HTTP
+ * request to append it. (This is // necessary for relative links to work
+ * correctly in the client). if ((new GeniiPath(filename)).isDirectory()) {
+ * out.print("HTTP/1.0 301 Moved Permanently\r\n" + "Location: /" + filename +
+ * "/\r\n\r\n"); out.close(); return; }
*/
// trying to get around worrying about mime types by saying
File source = new File(filename);
if (!source.exists()) {
- logger.error("source does not exist for serving: "
- + filename);
+ logger.error("source does not exist for serving: " + filename);
// do something!
// hmmm: below could be abstracted to more general
// denial method.
- out.println("HTTP/1.1 404 Not Found\r\n"
- + "Content-type: text/html\r\n\r\n"
- + "<html><head></head><body>" + filename
- + " not found</body></html>\n");
+ out.println("HTTP/1.1 404 Not Found\r\n" + "Content-type: text/html\r\n\r\n"
+ + "<html><head></head><body>" + filename + " not found</body></html>\n");
out.close();
}
- out.print("HTTP/1.1 200 OK\r\n" + "Content-type: "
- + mimeType + "\r\n" + "Connection: close" + "\r\n"
- // // + "\r\nContent-Length: " + source.size? +
- // "\r\n"
- + "\r\n");
+ out.print("HTTP/1.1 200 OK\r\n" + "Content-type: " + mimeType + "\r\n" + "Connection: close" + "\r\n"
+ // // + "\r\nContent-Length: " + source.size? +
+ // "\r\n"
+ + "\r\n");
if (!transferFile) {
logger.debug("closing stream for finished HEAD request.");
out.close();
return;
}
logger.debug("moving to handle GET request.");
- InputStream f = source.openInputStream();
+ FileInputStream f = new FileInputStream(filename);
logger.debug("opened stream on source");
// Send file contents to client, then close the connection.
byte[] a = new byte[4096];
out.close();
} catch (FileNotFoundException x) {
logger.error("failed to find requested file: " + filename);
- out.println("HTTP/1.1 404 Not Found\r\n"
- + "Content-type: text/html\r\n\r\n"
- + "<html><head></head><body>" + filename
- + " not found</body></html>\n");
+ out.println("HTTP/1.1 404 Not Found\r\n" + "Content-type: text/html\r\n\r\n" + "<html><head></head><body>"
+ + filename + " not found</body></html>\n");
out.close();
}
} catch (IOException x) {
- logger.error("exception blew out in outer area of web server",
- x);
+ logger.error("exception blew out in outer area of web server", x);
// / System.out.println(x);
}
}
projects / feisty_meow.git / commitdiff