public void connect(GUIClient GUI) throws IOException { try { connectSocket = new Socket(ServerIp, ServerPort); out = new PrintWriter(connectSocket.getOutputStream(), true); in = new BufferedReader(new InputStreamReader(connectSocket.getInputStream())); } catch (UnknownHostException e) { System.err.println("Cannot Connect to server"); // System.exit(1); } catch (IOException e) { System.err.println("Couldn't get I/O for " + "the connection to: " + ServerIp.toString()); // System.exit(1); } BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in)); String clientInput = GUI.getJTareaOut().getText(); while ((clientInput = stdIn.readLine()) != null) { out.println(clientInput); System.out.println("Writing: " + in.readLine()); } out.close(); in.close(); stdIn.close(); connectSocket.close(); }
public static void main(String[] args) throws IOException, InterruptedException { for (int iter = 1; iter <= 1000; ++iter) { System.out.println("HELLO"); // ask for a value Socket s1 = new Socket("127.0.0.1", 12345); PrintWriter out = new PrintWriter(s1.getOutputStream(), true); BufferedReader in = new BufferedReader(new InputStreamReader(s1.getInputStream())); out.println(-1); String response = in.readLine(); s1.close(); out.close(); in.close(); // increase by 1 int val = Integer.parseInt(response); val++; // set value Socket s2 = new Socket("127.0.0.1", 12345); out = new PrintWriter(s2.getOutputStream(), true); in = new BufferedReader(new InputStreamReader(s2.getInputStream())); out.println(val); s2.close(); out.close(); in.close(); } }
public static void main(String[] args) { Socket socket = null; PrintWriter out = null; BufferedReader in = null; BufferedReader userInputStream = null; String IP = "127.0.0.1"; final int PORT_NUM = 4444; try { socket = new Socket(IP, PORT_NUM); out = new PrintWriter(socket.getOutputStream(), true); in = new BufferedReader(new InputStreamReader(socket.getInputStream())); } catch (UnknownHostException e) { System.out.println("Unknown host:" + IP + " at port: " + PORT_NUM); e.printStackTrace(); System.exit(0); } catch (IOException e) { System.out.println("Cannot connect to server..."); e.printStackTrace(); System.exit(0); } String userInput, fromServer; try { userInputStream = new BufferedReader(new InputStreamReader(System.in)); while ((fromServer = in.readLine()) != null) { System.out.println("Server: " + fromServer); if (fromServer.equals(":q")) break; userInput = userInputStream.readLine(); Calendar cal = Calendar.getInstance(); cal.getTime(); SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss"); if (userInput != null) { out.println(userInput + " (sent at " + (sdf.format(cal.getTime())) + ")"); } } } catch (IOException e) { System.out.println("Could not access data from client printstream..."); e.printStackTrace(); System.exit(0); } try { out.close(); in.close(); userInputStream.close(); socket.close(); System.out.println("I love you, bye."); System.out.println("Terminating client..."); } catch (IOException e) { System.out.println("Socket and stream closing error..."); e.printStackTrace(); System.exit(0); } }
public static void main(String[] args) { String ipv4; try { System.out.println("Stablishing the server socket..."); ServerSocket srvSock = new ServerSocket(4201); System.out.println( "Server socket stablished to " + srvSock.getInetAddress().getHostName() + " at port number " + srvSock.getLocalPort() + ".\n"); try { Socket comSock = srvSock.accept(); System.out.println( "New connection stablished with " + comSock.getInetAddress().getHostName() + " (port " + comSock.getPort() + "), trying to communicate..."); // DO STUFF try { BufferedReader br = new BufferedReader(new InputStreamReader(comSock.getInputStream())); ipv4 = br.readLine(); br.close(); comSock.close(); srvSock.close(); Socket sock = new Socket(ipv4, 4202); BufferedReader br2 = new BufferedReader(new InputStreamReader(sock.getInputStream())); System.out.println(br2.readLine()); br2.close(); sock.close(); // System.out.println(ipv4); } catch (Exception e) { e.printStackTrace(); System.out.println("Connection failed. Try again later."); } } catch (Exception e) { e.printStackTrace(); System.out.println("Problem with client.\n"); } } catch (Exception e) { System.out.println("Failed to create server socket:"); e.printStackTrace(); } }
private String getAddressXY(String x, String y) { try { StringBuilder text = new StringBuilder(); String url = properties.getProperty("geocoderUrl"); String param1 = properties.getProperty("geocoderUrlParam1"); String param2 = properties.getProperty("geocoderUrlParam2"); url = url + "?" + param1 + "=" + x + "&" + param2 + "=" + y; URL page = new URL(url); HttpURLConnection urlConn = (HttpURLConnection) page.openConnection(); urlConn.connect(); InputStreamReader in = new InputStreamReader((InputStream) urlConn.getContent()); BufferedReader buff = new BufferedReader(in); String line = buff.readLine(); while (line != null) { text.append(line); line = buff.readLine(); } String result = text.toString(); buff.close(); in.close(); return result; } catch (MalformedURLException e) { windowServer.txtErrors.append(e.getMessage() + "\n"); return ""; } catch (Exception e) { windowServer.txtErrors.append(e.getMessage() + "\n"); return ""; } }
public static void main(String a[]) throws Exception { boolean bool = false; try { InputStreamReader in = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(in); do { Socket clientSocket = new Socket("localhost", 6789); TCPClient client = new TCPClient(clientSocket); client.talkOnSocket(); System.out.println("Do you want tranfer another file : Y/N"); String choise = br.readLine().trim(); if (choise.equalsIgnoreCase("y")) { bool = true; } else if (choise.equalsIgnoreCase("n")) { bool = false; } else { bool = false; System.out.println("Invalid entry. Clsoing."); } } while (bool); in.close(); br.close(); } catch (Exception e) { System.out.println("Server might not be up and running...."); System.exit(0); } }
public boolean shutdown(int port, boolean ssl) { try { String protocol = "http" + (ssl ? "s" : ""); URL url = new URL(protocol, "127.0.0.1", port, "shutdown"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setRequestProperty("servicemanager", "shutdown"); conn.connect(); StringBuffer sb = new StringBuffer(); BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8")); int n; char[] cbuf = new char[1024]; while ((n = br.read(cbuf, 0, cbuf.length)) != -1) sb.append(cbuf, 0, n); br.close(); String message = sb.toString().replace("<br>", "\n"); if (message.contains("Goodbye")) { cp.appendln("Shutting down the server:"); String[] lines = message.split("\n"); for (String line : lines) { cp.append("..."); cp.appendln(line); } return true; } } catch (Exception ex) { } cp.appendln("Unable to shutdown CTP"); return false; }
public Server() { try { ServerSocket ss = new ServerSocket(SERVER_PORT); Socket s = ss.accept(); InputStream is = s.getInputStream(); OutputStream out = s.getOutputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); String sss = br.readLine(); System.out.println(sss); PrintWriter pw = new PrintWriter(out); pw.print("hello,我是服务器。"); pw.close(); br.close(); isr.close(); out.close(); is.close(); s.close(); ss.close(); } catch (UnknownHostException ue) { ue.printStackTrace(); } catch (IOException oe) { oe.printStackTrace(); } }
@Override public void run() { // System.out.println ("New Communication Thread Started"); try { BufferedReader in; // OUTPUT STREAM try (PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true)) { in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); String inputLine; // READ NUMBER OF FORTUNE COOKIES CLIENT WANTS while ((inputLine = in.readLine()) != null) { // System.out.println("Hello"); if (inputLine.equals("Bye.")) break; int number = Integer.parseInt(inputLine); System.out.println("Server: " + inputLine); // SENDS RANDOMLY GENERATED COOKIES out.println(new FortuneCookies().getCookies(number)); } } // CLIENT CLOSE in.close(); clientSocket.close(); } catch (IOException e) { System.err.println("Problem with Communication Server"); System.exit(1); } }
/** * A asynchronous method for reading the content of the file. * * @return the content of the file, or an empty string when there's nothing in the file. */ public String getFileContent() { InputStream stream = getClass().getResourceAsStream(COOKIE); // The cookie file doesn't exist if (stream == null) return ""; BufferedReader reader = new BufferedReader(new InputStreamReader(stream)); String line = null; try { // only one line is needed line = reader.readLine(); reader.close(); } catch (IOException e) { return ""; } // Line can't continue to be processed. if (line == null) return ""; // hasn't got an updateID yet. if (updateID == null) { setUpdateID(line); return line; } else { // The updateID hasn't been updated yet. if (updateID.equals(extractUpdateID(line))) return ""; // There is a new updateID in the file, so update it. else { setUpdateID(line); return line; } } }
private String ask(String cmd) { BufferedWriter out = null; BufferedReader in = null; Socket sock = null; String ret = ""; try { System.out.println(server); sock = new Socket(server, ServerListener.PORT); out = new BufferedWriter(new OutputStreamWriter(sock.getOutputStream())); out.write(cmd, 0, cmd.length()); out.flush(); in = new BufferedReader(new InputStreamReader(sock.getInputStream())); int inr = in.read(); while (inr != ';') { ret += Character.toString((char) inr); inr = in.read(); } } catch (IOException io) { io.printStackTrace(); } finally { try { out.close(); in.close(); sock.close(); } catch (IOException io) { io.printStackTrace(); } } return ret; }
public void doTest(String path, int expectedStatus) throws Exception { InputStream is = null; BufferedReader input = null; try { URL url = new URL("http://" + host + ":" + port + contextRoot + "/" + path); System.out.println("Connecting to: " + url.toString()); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.connect(); int responseCode = conn.getResponseCode(); if (responseCode != expectedStatus) { throw new Exception("Unexpected return code: " + responseCode); } if (responseCode == HttpURLConnection.HTTP_OK) { is = conn.getInputStream(); input = new BufferedReader(new InputStreamReader(is)); String response = input.readLine(); } } finally { try { if (is != null) is.close(); } catch (IOException ex) { } try { if (input != null) input.close(); } catch (IOException ex) { } } }
/** Destroys the server stored list. */ @Override public void destroy() { stopped = true; try { if (connection != null) { connection.shutdownInput(); connection.close(); connection = null; } } catch (IOException e) { } try { if (connectionReader != null) { connectionReader.close(); connectionReader = null; } } catch (IOException ex) { } if (connectionWriter != null) { connectionWriter.close(); connectionWriter = null; } }
/** * Method to update database on the server with new and changed hazards given as a JSONObject * instance * * @param uploadHazards A JSONObject instance with encoded new and update hazards * @throws IOException */ public static void uploadHazards(JSONObject uploadHazards) throws IOException { // upload hazards in json to php (to use json_decode) // Hazard parameter should be encoded as json already // Set Post connection URL url = new URL(site + "/update.php"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8"); conn.setRequestMethod("POST"); OutputStream writer = conn.getOutputStream(); writer.write( uploadHazards.toString().getBytes("UTF-8")); // toString produces compact JSONString // no white space writer.close(); // read response (success / error) BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream())); StringBuffer response = new StringBuffer(); String inputLine; while ((inputLine = in.readLine()) != null) { response.append(inputLine); } in.close(); }
private readURL() { init(); // create an URL instance try { url = new URL(webpage); } catch (MalformedURLException except1) { System.out.println("MALFORMED URL ERROR\nREADY."); } ; // create "read"-stream from URL try { in = new BufferedReader(new InputStreamReader(url.openStream())); } catch (IOException except2) { System.out.println("IOEXCEPTION ERROR !\nREADY."); } ; // read the stream String inputLine; try { while ((inputLine = in.readLine()) != null) System.out.println(inputLine); in.close(); } catch (IOException except3) { System.out.println("IOEXCEPTION ERROR AGAIN !\nREADY."); } ; }
public void kill() { try { client.close(); toUser.close(); fromUser.close(); altSockIn.close(); inFromServer.close(); toServer.close(); altSock.close(); userSock.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
/** * create a Bufferedreader that read from the open url The parameter of the search term research * can be setup using the various command */ private boolean download() { buffer = new StringBuilder(); // --1. Encode url? // --2. Do the work try { url = new URL(composite_url); // Config.log("ESearch for: "+search_term); } catch (MalformedURLException e) { Config.log("Error: URL is not good.\n" + composite_url); } try { if (in_connection_open) in_connection.close(); in_connection = new BufferedReader(new InputStreamReader(url.openStream())); if (in_connection != null) in_connection_open = true; String inputLine = ""; if (isOutputToDisk()) output = new PrintWriter(new FileWriter(new File(filename))); while ((inputLine = in_connection.readLine()) != null) { if (!this.isOutputToDisk()) { buffer.append(inputLine + "\n"); } else { output.println(inputLine); } } if (isOutputToDisk()) { output.flush(); output.close(); } } catch (IOException e) { Config.log("Unable to download from..." + composite_url); return false; } return true; }
/** * Load string map from a URL. * * @param mapURL URL for map file. * @param separator Field separator. * @param qualifier Quote character. * @param encoding Character encoding for the file. * @throws FileNotFoundException If input file does not exist. * @throws IOException If input file cannot be opened. * @return Map with values read from file. */ public static Map<String, String> loadMap( URL mapURL, String separator, String qualifier, String encoding) throws IOException, FileNotFoundException { Map<String, String> map = MapFactory.createNewMap(); if (mapURL != null) { BufferedReader bufferedReader = new BufferedReader(new UnicodeReader(mapURL.openStream(), encoding)); String inputLine = bufferedReader.readLine(); String[] tokens; while (inputLine != null) { tokens = inputLine.split(separator); if (tokens.length > 1) { map.put(tokens[0], tokens[1]); } inputLine = bufferedReader.readLine(); } bufferedReader.close(); } return map; }
private String handleConnection() { String content = null; try { PrintWriter streamWriter = new PrintWriter(connection.getOutputStream()); BufferedReader streamReader = new BufferedReader(new InputStreamReader(connection.getInputStream())); content = streamReader.readLine(); // System.out.println(content); log.debug("receiveing begin............\r\n"); log.debug(content); log.debug("receiveing end........"); streamWriter.println(content + "\r\n"); // streamWriter.println("hello\r\n"); streamWriter.flush(); streamReader.close(); streamWriter.close(); // connection.close(); return content; } catch (FileNotFoundException e) { // System.out.println("Could not find requested file on the server."); log.error("Could not find requested file on the server."); return content; } catch (IOException e) { // System.out.println("Error handling a client: " + e); log.error("Error handling a client: " + e); return content; } }
private String ReadWholeFileToString(String filename) { File file = new File(filename); StringBuffer contents = new StringBuffer(); BufferedReader reader = null; try { reader = new BufferedReader(new FileReader(file)); String text = null; // repeat until all lines is read while ((text = reader.readLine()) != null) { contents.append(text).append(System.getProperty("line.separator")); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { if (reader != null) { reader.close(); } } catch (IOException e) { e.printStackTrace(); } } // show file contents here return contents.toString(); }
// Cleanup for disconnect private static void cleanUp() { try { if (hostServer != null) { hostServer.close(); hostServer = null; } } catch (IOException e) { hostServer = null; } try { if (socket != null) { socket.close(); socket = null; } } catch (IOException e) { socket = null; } try { if (in != null) { in.close(); in = null; } } catch (IOException e) { in = null; } if (out != null) { out.close(); out = null; } }
public static String sendGet(String url, String params) { String result = ""; BufferedReader in = null; try { String urlName = url + "?" + params; URL realUrl = new URL(urlName); URLConnection conn = realUrl.openConnection(); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty( "user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"); conn.connect(); Map<String, List<String>> map = conn.getHeaderFields(); for (String key : map.keySet()) { System.out.println(key + "--->" + map.get(key)); } in = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += "\n" + line; } } catch (Exception e) { e.printStackTrace(); } finally { try { if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; }
private String getTitle(File f) { String result = ""; if (!f.getName().endsWith(".html")) return "not HTML"; else { try { BufferedReader reader = new BufferedReader(new FileReader(f)); String ligne = reader.readLine(); while (ligne != null && !ligne.contains("<TITLE>") && !ligne.contains("<title>")) { ligne = reader.readLine(); } reader.close(); if (ligne == null) return "No TITLE in page " + f.getName(); else { String fin = ""; String debut = ""; if (ligne.contains("</TITLE>")) { debut = "<TITLE>"; fin = "</TITLE>"; } else if (ligne.contains("</title>")) { debut = "<title>"; fin = "</title>"; } else return "No title in page " + f.getName(); int fin_index = ligne.lastIndexOf(fin); result = ligne.substring(ligne.indexOf(debut) + 7, fin_index); return result; } } catch (Exception e) { LOG.error("Error while reading file " + e); return "Error for file " + f.getName(); } } }
public static void main(String args[]) throws IOException { try { // Create a URL object String temp = "http://ccnabaaps.hostingsiteforfree.com/folder/phppart.php?q=http://www.espncricinfo.com/india/content/player/253802.html"; URL url = new URL(temp); // Read all of the text returned by the HTTP server BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream())); String htmlText; while ((htmlText = in.readLine()) != null) { // Keep in mind that readLine() strips the newline characters System.out.println(htmlText); } in.close(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
/** * Main run loop for the Receiver. Continuously reads from input until a null is passed, * terminating the receiver. */ public void run() { try // main run loop { String line; while ((line = input.readLine()) != null) { world.receive(name, line); } } catch (SocketException se) { world.setMessage("Your opponent has disconnected."); } catch (Exception e) { e.printStackTrace(); } // end loop try // terminating { world.destroySocket(name); input.close(); socket.close(); } catch (Exception e) { } System.out.println(getName() + " terminating"); }
/** * Method to return a set of hazard data within CACHE_DISTANCE of given location * * @param location An instance of Location that stores latitude and longitude data * @return JSONObject an instance of JSONObject with json encoded hazard data * @throws IOException * @throws JSONException */ public static JSONObject getHazards(LatLng location) throws IOException, JSONException { // request hazards from long / lat data and retrieve json hazards // tested and working! String longitude = String.valueOf(location.longitude); String latitude = String.valueOf(location.latitude); String query = String.format("longitude=%s&latitude=%s", longitude, latitude); // encode the post query // Set a POST connection URL url = new URL(site + "/request.php"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); System.out.println(query); conn.setRequestMethod("POST"); conn.setDoOutput(true); conn.setDoInput(true); // Send post request OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream()); writer.write(query); writer.flush(); writer.close(); BufferedReader response = new BufferedReader(new InputStreamReader(conn.getInputStream())); StringBuffer hazards = new StringBuffer(); String inputLine; while ((inputLine = response.readLine()) != null) { hazards.append(inputLine); } response.close(); return new JSONObject(hazards.toString()); }
void writeoneline(String filename1, String filename2) throws IOException { // open the file for reading BufferedReader file = new BufferedReader(new FileReader(filename1)); String line = null; // send message System.out.println("Sending message to the server..."); while ((line = file.readLine()) != null) { String onebyone = line; output.println(onebyone); } file.close(); // open the file for reading PrintWriter file2 = new PrintWriter(new BufferedWriter(new FileWriter(filename2))); String line2 = input.readLine(); // receive a message // String response = input.readLine(); if (line2.isEmpty()) System.out.println("(server did not reply with a message)"); else { System.out.println("Writing to file...:"); // String line= null; file2.println(line2); file2.close(); } System.out.println("Done!"); }
private void processRequest() throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream())); DataOutputStream writer = new DataOutputStream(socket.getOutputStream()); try { request.parseRequest(reader); } catch (HttpRequestException e) { System.out.println(e.getMessage()); ResponseCode = 400; ResponseReason = "Bad Request"; } if (isCrawlingRequest()) { CrawlerHandler crawler = new CrawlerHandler(GetDomainFromRequest()); crawler.StartCrawling(); } checkTypeOfResponse(); writer.write(createHTTPResponseHeaders().getBytes()); writer.write(createHTTPResponseBody(writer)); writer.write(CRLF.getBytes()); writer.flush(); writer.close(); reader.close(); }
public void run() { System.out.println("New Communication Thread Started"); try { PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true); BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); String inputLine; String[] inputTemp = new String[3]; while ((inputLine = in.readLine()) != null) { System.out.println("Server: " + inputLine); out.println(inputLine); if (inputLine.equals("Bye.")) break; } out.close(); in.close(); clientSocket.close(); } catch (IOException e) { System.err.println("Problem with Communication Server"); System.exit(1); } }
/** * Get the noun and verb <roots> (i.e. 'the highest' synsets in WordNet) from the particular * 'icfile' (Information Content) that you are applying. Store a noun <root>: a synset offset * number of type Integer in nounroots: an ArrayList<Integer> defined in the constructor of this * class. Store a verb <root>: a synset offset number of type Integer in verbroots: an * ArrayList<Integer> defined in the constructor of this class. * * <p>An example line in an 'icfile', showing a noun <root>: 1740n 128767 ROOT */ private void getRoots() { Pattern pn = Pattern.compile("[0-9]+n [0-9]+ ROOT"); // find noun <root> Pattern pv = Pattern.compile("[0-9]+v [0-9]+ ROOT"); // find verb <root> Matcher m = null; String root = ""; try { BufferedReader in = new BufferedReader(new FileReader(icfile)); String line; while ((line = in.readLine()) != null) { // nouns m = pn.matcher(line); if (m.matches()) { root = (line.split("\\s")[0]).split("n")[0]; // !!! double split !!! nounroots.add(Integer.parseInt(root)); } // verbs m = pv.matcher(line); if (m.matches()) { root = (line.split("\\s")[0]).split("v")[0]; // !!! double split !!! verbroots.add(Integer.parseInt(root)); } } in.close(); } catch (IOException e) { e.printStackTrace(); } }