Example usage for java.io InputStream read

List of usage examples for java.io InputStream read

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. InputStream
  6. read

Introduction

In this page you can find the example usage for java.io InputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

From source file:com.web.server.WebServer.java

/**
 * This is the start of the all the services in web server
 * @param args/*  www. jav a  2 s .c om*/
 * @throws IOException 
 * @throws SAXException 
 */
public static void main(String[] args) throws IOException, SAXException {

    Hashtable urlClassLoaderMap = new Hashtable();
    Hashtable executorServicesMap = new Hashtable();
    Hashtable ataMap = new Hashtable<String, ATAConfig>();
    Hashtable messagingClassMap = new Hashtable();
    ConcurrentHashMap servletMapping = new ConcurrentHashMap();
    DigesterLoader serverdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/serverconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester serverdigester = serverdigesterLoader.newDigester();
    final ServerConfig serverconfig = (ServerConfig) serverdigester
            .parse(new InputSource(new FileInputStream("./config/serverconfig.xml")));
    DigesterLoader messagingdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/messagingconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester messagingdigester = messagingdigesterLoader.newDigester();
    MessagingElem messagingconfig = (MessagingElem) messagingdigester
            .parse(new InputSource(new FileInputStream("./config/messaging.xml")));
    //System.out.println(messagingconfig);
    ////System.out.println(serverconfig.getDeploydirectory());
    PropertyConfigurator.configure("log4j.properties");
    /*MemcachedClient cache=new MemcachedClient(
        new InetSocketAddress("localhost", 1000));*/

    // Store a value (async) for one hour
    //c.set("someKey", 36, new String("arun"));
    // Retrieve a value.        
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.naming.java.javaURLContextFactory");
    System.setProperty(Context.URL_PKG_PREFIXES, "org.apache.naming");
    ExecutorService executor = java.util.concurrent.Executors.newCachedThreadPool();

    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    ObjectName name = null;
    try {
        name = new ObjectName("com.web.server:type=WarDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    WarDeployer warDeployer = new WarDeployer(serverconfig.getDeploydirectory(), serverconfig.getFarmWarDir(),
            serverconfig.getClustergroup(), urlClassLoaderMap, executorServicesMap, messagingClassMap,
            servletMapping, messagingconfig, sessionObjects);
    warDeployer.setPriority(MIN_PRIORITY);
    try {
        mbs.registerMBean(warDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //warDeployer.start();
    executor.execute(warDeployer);

    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();

    serverSocketChannel.bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getPort())));

    serverSocketChannel.configureBlocking(false);

    final byte[] shutdownBt = new byte[50];
    WebServerRequestProcessor webserverRequestProcessor = new WebServer().new WebServerRequestProcessor(
            servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
            Integer.parseInt(serverconfig.getShutdownport()), 1);
    webserverRequestProcessor.setPriority(MIN_PRIORITY);
    try {
        name = new ObjectName("com.web.server:type=WebServerRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //webserverRequestProcessor.start();
    executor.execute(webserverRequestProcessor);

    for (int i = 0; i < 10; i++) {
        WebServerRequestProcessor webserverRequestProcessor1 = new WebServer().new WebServerRequestProcessor(
                servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
                Integer.parseInt(serverconfig.getShutdownport()), 2);
        webserverRequestProcessor1.setPriority(MIN_PRIORITY);
        try {
            name = new ObjectName("com.web.server:type=WebServerRequestProcessor" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(webserverRequestProcessor1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(webserverRequestProcessor1);
    }

    ServerSocketChannel serverSocketChannelServices = ServerSocketChannel.open();

    serverSocketChannelServices
            .bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getServicesport())));

    serverSocketChannelServices.configureBlocking(false);

    ExecutorServiceThread executorService = new ExecutorServiceThread(serverSocketChannelServices,
            executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap, urlClassLoaderMap,
            serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
            serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

    try {
        name = new ObjectName("com.web.services:type=ExecutorServiceThread");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(executorService, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //executorService.start();
    executor.execute(executorService);

    for (int i = 0; i < 10; i++) {
        ExecutorServiceThread executorService1 = new ExecutorServiceThread(serverSocketChannelServices,
                executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap,
                urlClassLoaderMap, serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
                serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

        try {
            name = new ObjectName("com.web.services:type=ExecutorServiceThread" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(executorService1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(executorService1);
    }

    WebServerHttpsRequestProcessor webserverHttpsRequestProcessor = new WebServer().new WebServerHttpsRequestProcessor(
            servletMapping, urlClassLoaderMap, Integer.parseInt(serverconfig.getHttpsport()),
            serverconfig.getDeploydirectory(), Integer.parseInt(serverconfig.getShutdownport()),
            serverconfig.getHttpscertificatepath(), serverconfig.getHttpscertificatepasscode(), 1);
    try {
        name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverHttpsRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    webserverHttpsRequestProcessor.setPriority(MAX_PRIORITY);
    //webserverRequestProcessor.start();
    executor.execute(webserverHttpsRequestProcessor);

    /* for(int i=0;i<2;i++){
        webserverHttpsRequestProcessor=new WebServer().new WebServerHttpsRequestProcessor(urlClassLoaderMap,Integer.parseInt(serverconfig.getHttpsport())+(i+1),serverconfig.getDeploydirectory(),Integer.parseInt(serverconfig.getShutdownport()),serverconfig.getHttpscertificatepath(),serverconfig.getHttpscertificatepasscode(),1);
              
      try {
    name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor"+(i+1));
      } catch (MalformedObjectNameException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      } 
              
      try {
    mbs.registerMBean(webserverHttpsRequestProcessor, name);
      } catch (InstanceAlreadyExistsException | MBeanRegistrationException
       | NotCompliantMBeanException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      }
              
      executor.execute(webserverHttpsRequestProcessor);
    }*/

    /*ATAServer ataServer=new ATAServer(serverconfig.getAtaaddress(),serverconfig.getAtaport(),ataMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAServer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
            
    ataServer.start();*/

    /*ATAConfigClient ataClient=new ATAConfigClient(serverconfig.getAtaaddress(),serverconfig.getAtaport(),serverconfig.getServicesport(),executorServicesMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAConfigClient");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataClient, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    ataClient.start();*/

    MessagingServer messageServer = new MessagingServer(serverconfig.getMessageport(), messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=MessagingServer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(messageServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //messageServer.start();
    executor.execute(messageServer);

    RandomQueueMessagePicker randomqueuemessagepicker = new RandomQueueMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RandomQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(randomqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //randomqueuemessagepicker.start();
    executor.execute(randomqueuemessagepicker);

    RoundRobinQueueMessagePicker roundrobinqueuemessagepicker = new RoundRobinQueueMessagePicker(
            messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RoundRobinQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(roundrobinqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //roundrobinqueuemessagepicker.start();
    executor.execute(roundrobinqueuemessagepicker);

    TopicMessagePicker topicpicker = new TopicMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=TopicMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(topicpicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //topicpicker.start();
    executor.execute(topicpicker);

    try {
        name = new ObjectName("com.web.server:type=SARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    SARDeployer sarDeployer = SARDeployer.newInstance(serverconfig.getDeploydirectory());
    try {
        mbs.registerMBean(sarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    executor.execute(sarDeployer);
    /*try {
       mbs.invoke(name, "startDeployer", null, null);
    } catch (InstanceNotFoundException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (ReflectionException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (MBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    */
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
    System.setProperty(Context.PROVIDER_URL, "rmi://localhost:" + serverconfig.getServicesregistryport());
    ;
    Registry registry = LocateRegistry.createRegistry(Integer.parseInt(serverconfig.getServicesregistryport()));

    /*JarDeployer jarDeployer=new JarDeployer(registry,serverconfig.getServicesdirectory(), serverconfig.getServiceslibdirectory(),serverconfig.getCachedir(),executorServicesMap, urlClassLoaderMap);
    try {
       name = new ObjectName("com.web.server:type=JarDeployer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(jarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
    //jarDeployer.start();
    executor.execute(jarDeployer);*/

    EARDeployer earDeployer = new EARDeployer(registry, serverconfig.getEarservicesdirectory(),
            serverconfig.getDeploydirectory(), executorServicesMap, urlClassLoaderMap,
            serverconfig.getCachedir(), warDeployer);
    try {
        name = new ObjectName("com.web.server:type=EARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(earDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //earDeployer.start();
    executor.execute(earDeployer);

    JVMConsole jvmConsole = new JVMConsole(Integer.parseInt(serverconfig.getJvmConsolePort()));

    try {
        name = new ObjectName("com.web.server:type=JVMConsole");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(jvmConsole, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    executor.execute(jvmConsole);

    ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
    XMLDeploymentScanner xmlDeploymentScanner = new XMLDeploymentScanner(serverconfig.getDeploydirectory(),
            serverconfig.getServiceslibdirectory());
    exec.scheduleAtFixedRate(xmlDeploymentScanner, 0, 1000, TimeUnit.MILLISECONDS);

    EmbeddedJMS embeddedJMS = null;
    try {
        embeddedJMS = new EmbeddedJMS();
        embeddedJMS.start();
    } catch (Exception ex) {
        // TODO Auto-generated catch block
        ex.printStackTrace();
    }

    EJBDeployer ejbDeployer = new EJBDeployer(serverconfig.getServicesdirectory(), registry,
            Integer.parseInt(serverconfig.getServicesregistryport()), embeddedJMS);
    try {
        name = new ObjectName("com.web.server:type=EJBDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(ejbDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //jarDeployer.start();
    executor.execute(ejbDeployer);

    new Thread() {
        public void run() {
            try {
                ServerSocket serverSocket = new ServerSocket(Integer.parseInt(serverconfig.getShutdownport()));
                while (true) {
                    Socket sock = serverSocket.accept();
                    InputStream istream = sock.getInputStream();
                    istream.read(shutdownBt);
                    String shutdownStr = new String(shutdownBt);
                    String[] shutdownToken = shutdownStr.split("\r\n\r\n");
                    //System.out.println(shutdownStr);
                    if (shutdownToken[0].startsWith("shutdown WebServer")) {
                        synchronized (shutDownObject) {
                            shutDownObject.notifyAll();
                        }
                    }
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }.start();

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        public void run() {
            System.out.println("IN shutdown Hook");
            synchronized (shutDownObject) {
                shutDownObject.notifyAll();
            }
        }
    }));
    try {
        synchronized (shutDownObject) {
            shutDownObject.wait();
        }
        executor.shutdownNow();
        serverSocketChannel.close();
        serverSocketChannelServices.close();
        embeddedJMS.stop();

    } catch (Exception e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    System.out.println("IN shutdown Hook1");
    /*try{
       Thread.sleep(10000);
    }
    catch(Exception ex){
               
    }*/

    //webserverRequestProcessor.stop();
    //webserverRequestProcessor1.stop();

    /*warDeployer.stop();
    executorService.stop();
    //ataServer.stop();
    //ataClient.stop();
    messageServer.stop();
    randomqueuemessagepicker.stop();
    roundrobinqueuemessagepicker.stop();
    topicpicker.stop();*/
    /*try {
       mbs.invoke(new ObjectName("com.web.server:type=SARDeployer"), "destroyDeployer", null, null);
    } catch (InstanceNotFoundException | MalformedObjectNameException
    | ReflectionException | MBeanException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
    }*/
    //earDeployer.stop();
    System.exit(0);
}

From source file:Main.java

public static int read(InputStream in, byte[] buffer) {
    try {/*from  www .j a  v  a2 s .  c om*/
        return in.read(buffer);
    } catch (IOException e) {
        return 0;
    }
}

From source file:Main.java

/**
 * //from   w w  w  .ja  v a2s  . co  m
 * @param data
 */
private static String readFromFile(String filename) {
    File file = new File(filename);
    byte b[] = null;
    try {
        if (file.exists()) {
            b = new byte[(int) file.length()];
            InputStream fi = new FileInputStream(file);
            fi.read(b);
            fi.close();
        }
    } catch (Exception e) {
        return null;
    }

    if (null != b) {
        return new String(b);
    }
    return null;
}

From source file:Main.java

public static byte[] getDigestFromURL(URL u) throws Exception {
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    InputStream in = u.openStream();
    byte[] data = new byte[1024];
    int bytesRead = -1;
    while ((bytesRead = in.read(data)) >= 0) {
        md5.update(data, 0, bytesRead);/*from   w w  w  . j a v a 2 s .co  m*/
    }
    return md5.digest();
}

From source file:Main.java

public static String fromFile(File f) throws IOException {
    InputStream is = new FileInputStream(f);
    byte[] bs = new byte[is.available()];
    is.read(bs);
    is.close();/*from   w  w  w .  j  a  v  a 2  s .c  o  m*/
    return new String(bs);
}

From source file:Main.java

public static String readFile(Activity activity, String fileName) {
    AssetManager assets = activity.getAssets();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;//from   w  w  w  .j a  va 2s .c o m
    try {
        InputStream inputStream = assets.open(fileName);
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
        return outputStream.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static int readInt(InputStream inputStream) throws IOException {
    byte[] bytesToRead = new byte[4];
    inputStream.read(bytesToRead);

    ByteBuffer buffer = ByteBuffer.wrap(bytesToRead);
    buffer.order(ByteOrder.LITTLE_ENDIAN);

    return buffer.getInt();
}

From source file:Main.java

public static long ReadlittleEndianLong(InputStream dis) throws IOException {
    byte[] bytes = new byte[8];
    int re = dis.read(bytes);
    if (re == -1) {
        return -1;
    }/*  www.ja v  a 2 s .  c  o  m*/
    ByteBuffer bytebuffer = ByteBuffer.wrap(bytes);
    bytebuffer.order(ByteOrder.LITTLE_ENDIAN);
    long result = bytebuffer.getLong();
    return result;
}

From source file:Main.java

public static String getInputStreamString(InputStream is) throws IOException {
    byte[] buffer = new byte[is.available()];
    int len = is.read(buffer);
    return new String(buffer, 0, len, "utf-8");
}

From source file:Main.java

public static String AssetJSONFile(String filename, Context context) throws IOException {
    AssetManager manager = context.getAssets();
    InputStream file = manager.open(filename);
    byte[] formArray = new byte[file.available()];
    file.read(formArray);
    file.close();// w  ww.j  ava 2s  .  c  om

    return new String(formArray);
}