List of usage examples for java.io ObjectInputStream ObjectInputStream
public ObjectInputStream(InputStream in) throws IOException
From source file:guardar.en.base.de.datos.MainServidor.java
public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException, ClassNotFoundException { Mongo mongo = new Mongo("localhost", 27017); // nombre de la base de datos DB database = mongo.getDB("paginas"); // coleccion de la db DBCollection collection = database.getCollection("indice"); DBCollection collection_textos = database.getCollection("tabla"); ArrayList<String> lista_textos = new ArrayList(); try {/*from w w w .jav a2 s . c o m*/ ServerSocket servidor = new ServerSocket(4545); // Crear un servidor en pausa hasta que un cliente llegue. while (true) { String aux = new String(); lista_textos.clear(); Socket clienteNuevo = servidor.accept();// Si llega se acepta. // Queda en pausa otra vez hasta que un objeto llegue. ObjectInputStream entrada = new ObjectInputStream(clienteNuevo.getInputStream()); JSONObject request = (JSONObject) entrada.readObject(); String b = (String) request.get("id"); //hacer una query a la base de datos con la palabra que se quiere obtener BasicDBObject query = new BasicDBObject("palabra", b); DBCursor cursor = collection.find(query); ArrayList<DocumentosDB> lista_doc = new ArrayList<>(); // de la query tomo el campo documentos y los agrego a una lista try { while (cursor.hasNext()) { //System.out.println(cursor.next()); BasicDBList campo_documentos = (BasicDBList) cursor.next().get("documentos"); // en el for voy tomando uno por uno los elementos en el campo documentos for (Iterator<Object> it = campo_documentos.iterator(); it.hasNext();) { BasicDBObject dbo = (BasicDBObject) it.next(); //DOC tiene id y frecuencia DocumentosDB doc = new DocumentosDB(); doc.makefn2(dbo); //int id = (int)doc.getId_documento(); //int f = (int)doc.getFrecuencia(); lista_doc.add(doc); //******************************************* //******************************************** //QUERY A LA COLECCION DE TEXTOS /* BasicDBObject query_textos = new BasicDBObject("id", doc.getId_documento());//query DBCursor cursor_textos = collection_textos.find(query_textos); try { while (cursor_textos.hasNext()) { DBObject obj = cursor_textos.next(); String titulo = (String) obj.get("titulo"); titulo = titulo + "\n\n"; String texto = (String) obj.get("texto"); String texto_final = titulo + texto; aux = texto_final; lista_textos.add(texto_final); } } finally { cursor_textos.close(); }*/ //System.out.println(doc.getId_documento()); //System.out.println(doc.getFrecuencia()); } // end for } //end while query } finally { cursor.close(); } // ordeno la lista de menor a mayor Collections.sort(lista_doc, new Comparator<DocumentosDB>() { @Override public int compare(DocumentosDB o1, DocumentosDB o2) { //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. return o1.getFrecuencia().compareTo(o2.getFrecuencia()); } }); int tam = lista_doc.size() - 1; for (int j = tam; j >= 0; j--) { BasicDBObject query_textos = new BasicDBObject("id", (int) lista_doc.get(j).getId_documento().intValue());//query DBCursor cursor_textos = collection_textos.find(query_textos);// lo busco try { while (cursor_textos.hasNext()) { DBObject obj = cursor_textos.next(); String titulo = "*******************************"; titulo += (String) obj.get("titulo"); int f = (int) lista_doc.get(j).getFrecuencia().intValue(); String strinf = Integer.toString(f); titulo += "******************************* frecuencia:" + strinf; titulo = titulo + "\n\n"; String texto = (String) obj.get("texto"); String texto_final = titulo + texto + "\n\n"; aux = aux + texto_final; //lista_textos.add(texto_final); } } finally { cursor_textos.close(); } } //actualizar el cache try { Socket cliente_cache = new Socket("localhost", 4500); // nos conectamos con el servidor ObjectOutputStream mensaje_cache = new ObjectOutputStream(cliente_cache.getOutputStream()); // get al output del servidor, que es cliente : socket del cliente q se conecto al server JSONObject actualizacion_cache = new JSONObject(); actualizacion_cache.put("actualizacion", 1); actualizacion_cache.put("busqueda", b); actualizacion_cache.put("respuesta", aux); mensaje_cache.writeObject(actualizacion_cache); // envio el msj al servidor } catch (Exception ex) { } //RESPONDER DESDE EL SERVIDORIndex al FRONT ObjectOutputStream resp = new ObjectOutputStream(clienteNuevo.getOutputStream());// obtengo el output del cliente para mandarle un msj resp.writeObject(aux); System.out.println("msj enviado desde el servidor"); } } catch (IOException ex) { Logger.getLogger(MainServidor.class.getName()).log(Level.SEVERE, null, ex); } }
From source file:TestCipher.java
public static void main(String args[]) throws Exception { Set set = new HashSet(); Random random = new Random(); for (int i = 0; i < 10; i++) { Point point = new Point(random.nextInt(1000), random.nextInt(2000)); set.add(point);/*from w w w . j ava 2s . co m*/ } int last = random.nextInt(5000); // Create Key byte key[] = password.getBytes(); DESKeySpec desKeySpec = new DESKeySpec(key); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); SecretKey secretKey = keyFactory.generateSecret(desKeySpec); // Create Cipher Cipher desCipher = Cipher.getInstance("DES/ECB/PKCS5Padding"); desCipher.init(Cipher.ENCRYPT_MODE, secretKey); // Create stream FileOutputStream fos = new FileOutputStream("out.des"); BufferedOutputStream bos = new BufferedOutputStream(fos); CipherOutputStream cos = new CipherOutputStream(bos, desCipher); ObjectOutputStream oos = new ObjectOutputStream(cos); // Write objects oos.writeObject(set); oos.writeInt(last); oos.flush(); oos.close(); // Change cipher mode desCipher.init(Cipher.DECRYPT_MODE, secretKey); // Create stream FileInputStream fis = new FileInputStream("out.des"); BufferedInputStream bis = new BufferedInputStream(fis); CipherInputStream cis = new CipherInputStream(bis, desCipher); ObjectInputStream ois = new ObjectInputStream(cis); // Read objects Set set2 = (Set) ois.readObject(); int last2 = ois.readInt(); ois.close(); // Compare original with what was read back int count = 0; if (set.equals(set2)) { System.out.println("Set1: " + set); System.out.println("Set2: " + set2); System.out.println("Sets are okay."); count++; } if (last == last2) { System.out.println("int1: " + last); System.out.println("int2: " + last2); System.out.println("ints are okay."); count++; } if (count != 2) { System.out.println("Problem during encryption/decryption"); } }
From source file:AESTest.java
public static void main(String[] args) { try {/*from w ww .j a v a 2s . c om*/ if (args[0].equals("-genkey")) { KeyGenerator keygen = KeyGenerator.getInstance("AES"); SecureRandom random = new SecureRandom(); keygen.init(random); SecretKey key = keygen.generateKey(); ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(args[1])); out.writeObject(key); out.close(); } else { int mode; if (args[0].equals("-encrypt")) mode = Cipher.ENCRYPT_MODE; else mode = Cipher.DECRYPT_MODE; ObjectInputStream keyIn = new ObjectInputStream(new FileInputStream(args[3])); Key key = (Key) keyIn.readObject(); keyIn.close(); InputStream in = new FileInputStream(args[1]); OutputStream out = new FileOutputStream(args[2]); Cipher cipher = Cipher.getInstance("AES"); cipher.init(mode, key); crypt(in, out, cipher); in.close(); out.close(); } } catch (IOException e) { e.printStackTrace(); } catch (GeneralSecurityException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } }
From source file:SignatureTest.java
public static void main(String[] args) { try {//from ww w. j a v a2s . co m if (args[0].equals("-genkeypair")) { KeyPairGenerator pairgen = KeyPairGenerator.getInstance("DSA"); SecureRandom random = new SecureRandom(); pairgen.initialize(KEYSIZE, random); KeyPair keyPair = pairgen.generateKeyPair(); ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(args[1])); out.writeObject(keyPair.getPublic()); out.close(); out = new ObjectOutputStream(new FileOutputStream(args[2])); out.writeObject(keyPair.getPrivate()); out.close(); } else if (args[0].equals("-sign")) { ObjectInputStream keyIn = new ObjectInputStream(new FileInputStream(args[3])); PrivateKey privkey = (PrivateKey) keyIn.readObject(); keyIn.close(); Signature signalg = Signature.getInstance("DSA"); signalg.initSign(privkey); File infile = new File(args[1]); InputStream in = new FileInputStream(infile); int length = (int) infile.length(); byte[] message = new byte[length]; in.read(message, 0, length); in.close(); signalg.update(message); byte[] signature = signalg.sign(); DataOutputStream out = new DataOutputStream(new FileOutputStream(args[2])); int signlength = signature.length; out.writeInt(signlength); out.write(signature, 0, signlength); out.write(message, 0, length); out.close(); } else if (args[0].equals("-verify")) { ObjectInputStream keyIn = new ObjectInputStream(new FileInputStream(args[2])); PublicKey pubkey = (PublicKey) keyIn.readObject(); keyIn.close(); Signature verifyalg = Signature.getInstance("DSA"); verifyalg.initVerify(pubkey); File infile = new File(args[1]); DataInputStream in = new DataInputStream(new FileInputStream(infile)); int signlength = in.readInt(); byte[] signature = new byte[signlength]; in.read(signature, 0, signlength); int length = (int) infile.length() - signlength - 4; byte[] message = new byte[length]; in.read(message, 0, length); in.close(); verifyalg.update(message); if (!verifyalg.verify(signature)) System.out.print("not "); System.out.println("verified"); } } catch (Exception e) { e.printStackTrace(); } }
From source file:Shape.java
public static void main(String[] args) throws Exception { List shapeTypes, shapes;/*from w w w .ja va2 s . c o m*/ if (args.length == 0) { shapeTypes = new ArrayList(); shapes = new ArrayList(); shapeTypes.add(Circle.class); shapeTypes.add(Square.class); shapeTypes.add(Line.class); shapes.add(new Square(4, 3, 200)); shapes.add(new Circle(1, 2, 100)); shapes.add(new Line(1, 2, 100)); ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("CADState.out")); out.writeObject(shapeTypes); Line.serializeStaticState(out); out.writeObject(shapes); } else { ObjectInputStream in = new ObjectInputStream(new FileInputStream(args[0])); shapeTypes = (List) in.readObject(); Line.deserializeStaticState(in); shapes = (List) in.readObject(); } System.out.println(shapes); }
From source file:RSATest.java
public static void main(String[] args) { try {/*from w w w . jav a 2 s. com*/ if (args[0].equals("-genkey")) { KeyPairGenerator pairgen = KeyPairGenerator.getInstance("RSA"); SecureRandom random = new SecureRandom(); pairgen.initialize(KEYSIZE, random); KeyPair keyPair = pairgen.generateKeyPair(); ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(args[1])); out.writeObject(keyPair.getPublic()); out.close(); out = new ObjectOutputStream(new FileOutputStream(args[2])); out.writeObject(keyPair.getPrivate()); out.close(); } else if (args[0].equals("-encrypt")) { KeyGenerator keygen = KeyGenerator.getInstance("AES"); SecureRandom random = new SecureRandom(); keygen.init(random); SecretKey key = keygen.generateKey(); // wrap with RSA public key ObjectInputStream keyIn = new ObjectInputStream(new FileInputStream(args[3])); Key publicKey = (Key) keyIn.readObject(); keyIn.close(); Cipher cipher = Cipher.getInstance("RSA"); cipher.init(Cipher.WRAP_MODE, publicKey); byte[] wrappedKey = cipher.wrap(key); DataOutputStream out = new DataOutputStream(new FileOutputStream(args[2])); out.writeInt(wrappedKey.length); out.write(wrappedKey); InputStream in = new FileInputStream(args[1]); cipher = Cipher.getInstance("AES"); cipher.init(Cipher.ENCRYPT_MODE, key); crypt(in, out, cipher); in.close(); out.close(); } else { DataInputStream in = new DataInputStream(new FileInputStream(args[1])); int length = in.readInt(); byte[] wrappedKey = new byte[length]; in.read(wrappedKey, 0, length); // unwrap with RSA private key ObjectInputStream keyIn = new ObjectInputStream(new FileInputStream(args[3])); Key privateKey = (Key) keyIn.readObject(); keyIn.close(); Cipher cipher = Cipher.getInstance("RSA"); cipher.init(Cipher.UNWRAP_MODE, privateKey); Key key = cipher.unwrap(wrappedKey, "AES", Cipher.SECRET_KEY); OutputStream out = new FileOutputStream(args[2]); cipher = Cipher.getInstance("AES"); cipher.init(Cipher.DECRYPT_MODE, key); crypt(in, out, cipher); in.close(); out.close(); } } catch (IOException e) { e.printStackTrace(); } catch (GeneralSecurityException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } }
From source file:CardReader.java
public static void main(String[] args) { Card3 card = new Card3(12, Card3.SPADES); System.out.println("Card to write is: " + card); try {/*from ww w.j a v a 2s. com*/ FileOutputStream out = new FileOutputStream("card.out"); ObjectOutputStream oos = new ObjectOutputStream(out); oos.writeObject(card); oos.flush(); } catch (Exception e) { System.out.println("Problem serializing: " + e); } Card3 acard = null; try { FileInputStream in = new FileInputStream("card.out"); ObjectInputStream ois = new ObjectInputStream(in); acard = (Card3) (ois.readObject()); } catch (Exception e) { System.out.println("Problem serializing: " + e); } System.out.println("Card read is: " + acard); }
From source file:cacheservice.CacheServer.java
/** * @param args the command line arguments *//*from w ww . j a v a 2s . c o m*/ public static void main(String[] args) { // COMUNICACIN CON EL CLIENTE ServerSocket serverSocket; Socket socketCliente; DataInputStream in; //Flujo de datos de entrada DataOutputStream out; //Flujo de datos de salida String mensaje; int laTengoenCache = 0; //COMUNICACIN CON EL INDEX ServerSocket serverSocketIndex; Socket socketIndex; DataOutputStream outIndex; ObjectInputStream inIndex; String mensajeIndex; try { serverSocket = new ServerSocket(4444); System.out.print("SERVIDOR CACHE ACTIVO a la espera de peticiones"); //MIENTRAS PERMANEZCA ACTIVO EL SERVIDOR CACHE ESPERAR? POR PETICIONES DE LOS CLIENTES while (true) { socketCliente = serverSocket.accept(); in = new DataInputStream(socketCliente.getInputStream()); //Entrada de los mensajes del cliente mensaje = in.readUTF(); //Leo el mensaje enviado por el cliente System.out.println("\nHe recibido del cliente: " + mensaje); //Muestro el mensaje recibido por el cliente //int particionBuscada = seleccionarParticion(mensaje, tamanoCache, numeroParticiones); //Busco la particin //double tamanoParticion = Math.ceil( (double)tamanoCache / (double)numeroParticiones); //Thread hilo = new Hilo(mensaje,particionBuscada,cache.GetTable(),(int) tamanoParticion); //hilo.start(); //RESPUESTA DEL SERVIDOR CACHE AL CLIENTE out = new DataOutputStream(socketCliente.getOutputStream()); String respuesta = "Respuesta para " + mensaje; if (laTengoenCache == 1) { out.writeUTF(respuesta); System.out.println("\nTengo la respuesta. He respondido al cliente: " + respuesta); } else { out.writeUTF("miss"); out.close(); in.close(); socketCliente.close(); System.out.println("\nNo tengo la respuesta."); //LEER RESPUESTA DEL SERVIDOR INDEX serverSocketIndex = new ServerSocket(6666); socketIndex = serverSocketIndex.accept(); inIndex = new ObjectInputStream(socketIndex.getInputStream()); JSONObject mensajeRecibidoIndex = (JSONObject) inIndex.readObject(); System.out.println("He recibido del SERVIDOR INDEX: " + mensajeRecibidoIndex); //outIndex.close(); inIndex.close(); socketIndex.close(); } } } catch (Exception e) { System.out.print(e.getMessage()); } }
From source file:DataIOTest2.java
public static void main(String[] args) throws IOException { // write the data out ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("invoice1.txt")); double[] prices = { 19.99, 9.99, 15.99, 3.99, 4.99 }; int[] units = { 12, 8, 13, 29, 50 }; String[] descs = { "Java T-shirt", "Java Mug", "Duke Juggling Dolls", "Java Pin", "Java Key Chain" }; for (int i = 0; i < prices.length; i++) { out.writeDouble(prices[i]);//w ww .j a v a 2s . com out.writeChar('\t'); out.writeInt(units[i]); out.writeChar('\t'); out.writeChars(descs[i]); out.writeChar('\n'); } out.close(); // read it in again ObjectInputStream in = new ObjectInputStream(new FileInputStream("invoice1.txt")); double price; int unit; String desc; double total = 0.0; try { while (true) { price = in.readDouble(); in.readChar(); // throws out the tab unit = in.readInt(); in.readChar(); // throws out the tab desc = in.readLine(); System.out.println("You've ordered " + unit + " units of " + desc + " at $" + price); total = total + unit * price; } } catch (EOFException e) { } System.out.println("For a TOTAL of: $" + total); in.close(); }
From source file:ComplexCompany.java
public static void main(String args[]) throws Exception { ServerSocket servSocket;/*from w w w.j ava2s.co m*/ Socket fromClientSocket; int cTosPortNumber = 1777; String str; ComplexCompany comp; servSocket = new ServerSocket(cTosPortNumber); System.out.println("Waiting for a connection on " + cTosPortNumber); fromClientSocket = servSocket.accept(); ObjectOutputStream oos = new ObjectOutputStream(fromClientSocket.getOutputStream()); ObjectInputStream ois = new ObjectInputStream(fromClientSocket.getInputStream()); while ((comp = (ComplexCompany) ois.readObject()) != null) { comp.printCompanyObject(); oos.writeObject("bye bye"); break; } oos.close(); fromClientSocket.close(); }