Example usage for java.io InputStream available

List of usage examples for java.io InputStream available

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

Introduction

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

Prototype

public int available() throws IOException

Source Link

Document

Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking, which may be 0, or 0 when end of stream is detected.

Usage

From source file:info.guardianproject.netcipher.client.SSLConnectionSocketFactory.java

private void verifyHostname(final SSLSocket sslsock, final String hostname) throws IOException {
    try {// ww w . j  ava2  s  .c  om
        SSLSession session = sslsock.getSession();
        if (session == null) {
            // In our experience this only happens under IBM 1.4.x when
            // spurious (unrelated) certificates show up in the server'
            // chain.  Hopefully this will unearth the real problem:
            final InputStream in = sslsock.getInputStream();
            in.available();
            // If ssl.getInputStream().available() didn't cause an
            // exception, maybe at least now the session is available?
            session = sslsock.getSession();
            if (session == null) {
                // If it's still null, probably a startHandshake() will
                // unearth the real problem.
                sslsock.startHandshake();
                session = sslsock.getSession();
            }
        }
        if (session == null) {
            throw new SSLHandshakeException("SSL session not available");
        }

        /*
              if (this.log.isDebugEnabled()) {
                this.log.debug("Secure session established");
                this.log.debug(" negotiated protocol: " + session.getProtocol());
                this.log.debug(" negotiated cipher suite: " + session.getCipherSuite());
                
                try {
                
                  final Certificate[] certs = session.getPeerCertificates();
                  final X509Certificate x509 = (X509Certificate) certs[0];
                  final X500Principal peer = x509.getSubjectX500Principal();
                
                  this.log.debug(" peer principal: " + peer.toString());
                  final Collection<List<?>> altNames1 = x509.getSubjectAlternativeNames();
                  if (altNames1 != null) {
                    final List<String> altNames = new ArrayList<String>();
                    for (final List<?> aC : altNames1) {
                      if (!aC.isEmpty()) {
        altNames.add((String) aC.get(1));
                      }
                    }
                    this.log.debug(" peer alternative names: " + altNames);
                  }
                
                  final X500Principal issuer = x509.getIssuerX500Principal();
                  this.log.debug(" issuer principal: " + issuer.toString());
                  final Collection<List<?>> altNames2 = x509.getIssuerAlternativeNames();
                  if (altNames2 != null) {
                    final List<String> altNames = new ArrayList<String>();
                    for (final List<?> aC : altNames2) {
                      if (!aC.isEmpty()) {
        altNames.add((String) aC.get(1));
                      }
                    }
                    this.log.debug(" issuer alternative names: " + altNames);
                  }
                } catch (Exception ignore) {
                }
              }
        */

        if (!this.hostnameVerifier.verify(hostname, session)) {
            final Certificate[] certs = session.getPeerCertificates();
            final X509Certificate x509 = (X509Certificate) certs[0];
            final X500Principal x500Principal = x509.getSubjectX500Principal();
            throw new SSLPeerUnverifiedException("Host name '" + hostname + "' does not match "
                    + "the certificate subject provided by the peer (" + x500Principal.toString() + ")");
        }
        // verifyHostName() didn't blowup - good!
    } catch (final IOException iox) {
        // close the socket before re-throwing the exception
        try {
            sslsock.close();
        } catch (final Exception x) {
            /*ignore*/ }
        throw iox;
    }
}

From source file:be.tarsos.transcoder.ffmpeg.FFMPEGExecutor.java

public AudioInputStream pipe(Attributes attributes) throws EncoderException {
    String pipeEnvironment;/*from   ww w . ja v  a 2s.c om*/
    String pipeArgument;
    File pipeLogFile;
    int pipeBuffer;

    if (System.getProperty("os.name").indexOf("indows") > 0) {
        pipeEnvironment = "cmd.exe";
        pipeArgument = "/C";
    } else {
        pipeEnvironment = "/bin/bash";
        pipeArgument = "-c";
    }
    pipeLogFile = new File("decoder_log.txt");
    //buffer 1/4 second of audio.
    pipeBuffer = attributes.getSamplingRate() / 4;

    AudioFormat audioFormat = Encoder.getTargetAudioFormat(attributes);

    String command = toString();

    ProcessBuilder pb = new ProcessBuilder(pipeEnvironment, pipeArgument, command);

    pb.redirectError(Redirect.appendTo(pipeLogFile));

    LOG.fine("Starting piped decoding process");
    final Process process;
    try {
        process = pb.start();
    } catch (IOException e1) {
        throw new EncoderException("Problem starting piped sub process: " + e1.getMessage());
    }

    InputStream stdOut = new BufferedInputStream(process.getInputStream(), pipeBuffer);

    //read and ignore the 46 byte wav header, only pipe the pcm samples to the audioinputstream
    byte[] header = new byte[46];
    double sleepSeconds = 0;
    double timeoutLimit = 20; //seconds

    try {
        while (stdOut.available() < header.length) {
            try {
                Thread.sleep(100);
                sleepSeconds += 0.1;
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            if (sleepSeconds > timeoutLimit) {
                throw new Error("Could not read from pipe within " + timeoutLimit + " seconds: timeout!");
            }
        }
        int bytesRead = stdOut.read(header);
        if (bytesRead != header.length) {
            throw new EncoderException(
                    "Could not read complete WAV-header from pipe. This could result in mis-aligned frames!");
        }
    } catch (IOException e1) {
        throw new EncoderException("Problem reading from piped sub process: " + e1.getMessage());
    }

    final AudioInputStream audioStream = new AudioInputStream(stdOut, audioFormat, AudioSystem.NOT_SPECIFIED);

    //This thread waits for the end of the subprocess.
    new Thread(new Runnable() {
        public void run() {
            try {
                process.waitFor();
                LOG.fine("Finished piped decoding process");
            } catch (InterruptedException e) {
                LOG.severe("Interrupted while waiting for sub process exit.");
                e.printStackTrace();
            }
        }
    }, "Decoding Pipe Reader").start();
    return audioStream;
}

From source file:ClassPath.java

/**
 * @param name/*from   w w  w  .  ja v a 2  s.  c om*/
 *          fully qualified file name, e.g. java/lang/String
 * @param suffix
 *          file name ends with suffix, e.g. .java
 * @return byte array for file on class path
 */
public byte[] getBytes(String name, String suffix) throws IOException {
    DataInputStream dis = null;
    try {
        InputStream is = getInputStream(name, suffix);
        if (is == null) {
            throw new IOException("Couldn't find: " + name + suffix);
        }
        dis = new DataInputStream(is);
        byte[] bytes = new byte[is.available()];
        dis.readFully(bytes);
        return bytes;
    } finally {
        if (dis != null) {
            dis.close();
        }
    }
}

From source file:net.pms.dlna.DVDISOTitle.java

@Override
protected void resolveOnce() {
    String cmd[] = new String[] { configuration.getMplayerPath(), "-identify", "-endpos", "0", "-v", "-ao",
            "null", "-vc", "null", "-vo", "null", "-dvd-device",
            ProcessUtil.getShortFileNameIfWideChars(file.getAbsolutePath()), "dvd://" + title };

    OutputParams params = new OutputParams(configuration);
    params.maxBufferSize = 1;/*from   www  . j a v  a  2  s. com*/

    if (configuration.isDvdIsoThumbnails()) {
        try {
            params.workDir = configuration.getTempFolder();
        } catch (IOException e1) {
            logger.debug("Caught exception", e1);
        }

        cmd[2] = "-frames";
        cmd[3] = "2";
        cmd[7] = "-quiet";
        cmd[8] = "-quiet";
        String frameName = "" + this.hashCode();
        frameName = "mplayer_thumbs:subdirs=\"" + frameName + "\"";
        frameName = frameName.replace(',', '_');
        cmd[10] = "jpeg:outdir=" + frameName;
    }

    params.log = true;
    final ProcessWrapperImpl pw = new ProcessWrapperImpl(cmd, params, true, false);

    Runnable r = new Runnable() {
        @Override
        public void run() {
            try {
                Thread.sleep(10000);
            } catch (InterruptedException e) {
            }
            pw.stopProcess();
        }
    };

    Thread failsafe = new Thread(r, "DVD ISO Title Failsafe");
    failsafe.start();
    pw.runInSameThread();
    List<String> lines = pw.getOtherResults();

    String duration = null;
    int nbsectors = 0;
    String fps = null;
    String aspect = null;
    String width = null;
    String height = null;
    ArrayList<DLNAMediaAudio> audio = new ArrayList<DLNAMediaAudio>();
    ArrayList<DLNAMediaSubtitle> subs = new ArrayList<DLNAMediaSubtitle>();

    if (lines != null) {
        for (String line : lines) {
            if (line.startsWith("DVD start=")) {
                nbsectors = Integer.parseInt(line.substring(line.lastIndexOf("=") + 1).trim());
            }

            if (line.startsWith("audio stream:")) {
                DLNAMediaAudio lang = new DLNAMediaAudio();
                lang.setId(Integer
                        .parseInt(line.substring(line.indexOf("aid: ") + 5, line.lastIndexOf(".")).trim()));
                lang.setLang(line.substring(line.indexOf("language: ") + 10, line.lastIndexOf(" aid")).trim());
                int end = line.lastIndexOf(" langu");

                if (line.lastIndexOf("(") < end && line.lastIndexOf("(") > line.indexOf("format: ")) {
                    end = line.lastIndexOf("(");
                }

                lang.setCodecA(line.substring(line.indexOf("format: ") + 8, end).trim());

                if (line.contains("(stereo)")) {
                    lang.getAudioProperties().setNumberOfChannels(2);
                } else {
                    lang.getAudioProperties().setNumberOfChannels(6);
                }

                audio.add(lang);
            }

            if (line.startsWith("subtitle")) {
                DLNAMediaSubtitle lang = new DLNAMediaSubtitle();
                lang.setId(Integer.parseInt(
                        line.substring(line.indexOf("): ") + 3, line.lastIndexOf("language")).trim()));
                lang.setLang(line.substring(line.indexOf("language: ") + 10).trim());

                if (lang.getLang().equals("unknown")) {
                    lang.setLang(DLNAMediaLang.UND);
                }

                lang.setType(SubtitleType.UNKNOWN);
                subs.add(lang);
            }

            if (line.startsWith("ID_VIDEO_WIDTH=")) {
                width = line.substring(line.indexOf("ID_VIDEO_WIDTH=") + 15).trim();
            }

            if (line.startsWith("ID_VIDEO_HEIGHT=")) {
                height = line.substring(line.indexOf("ID_VIDEO_HEIGHT=") + 16).trim();
            }

            if (line.startsWith("ID_VIDEO_FPS=")) {
                fps = line.substring(line.indexOf("ID_VIDEO_FPS=") + 13).trim();
            }

            if (line.startsWith("ID_LENGTH=")) {
                duration = line.substring(line.indexOf("ID_LENGTH=") + 10).trim();
            }

            if (line.startsWith("ID_VIDEO_ASPECT=")) {
                aspect = line.substring(line.indexOf("ID_VIDEO_ASPECT=") + 16).trim();
            }
        }
    }

    if (configuration.isDvdIsoThumbnails()) {
        try {
            String frameName = "" + this.hashCode();
            frameName = configuration.getTempFolder() + "/mplayer_thumbs/" + frameName + "00000001/0000000";
            frameName = frameName.replace(',', '_');
            File jpg = new File(frameName + "2.jpg");

            if (jpg.exists()) {
                InputStream is = new FileInputStream(jpg);
                try {
                    int sz = is.available();

                    if (sz > 0) {
                        getMedia().setThumb(new byte[sz]);
                        is.read(getMedia().getThumb());
                    }
                } finally {
                    if (is != null) {
                        is.close();
                    }
                }

                if (!jpg.delete()) {
                    jpg.deleteOnExit();
                }

                // Try and retry
                if (!jpg.getParentFile().delete() && !jpg.getParentFile().delete()) {
                    logger.debug("Failed to delete \"" + jpg.getParentFile().getAbsolutePath() + "\"");
                }
            }

            jpg = new File(frameName + "1.jpg");

            if (jpg.exists()) {
                if (!jpg.delete()) {
                    jpg.deleteOnExit();
                }

                if (!jpg.getParentFile().delete()) {
                    jpg.getParentFile().delete();
                }
            }
        } catch (IOException e) {
            logger.trace("Error in DVD ISO thumbnail retrieval: " + e.getMessage());
        }
    }

    length = nbsectors * 2048;

    double d = 0;
    if (duration != null) {
        d = Double.parseDouble(duration);
    }

    getMedia().setAudioTracksList(audio);
    getMedia().setSubtitleTracksList(subs);

    if (duration != null) {
        getMedia().setDuration(d);
    }

    getMedia().setFrameRate(fps);
    getMedia().setAspect(aspect);
    getMedia().setDvdtrack(title);
    getMedia().setContainer("iso");
    getMedia().setCodecV("mpeg2video");

    try {
        getMedia().setWidth(Integer.parseInt(width));
    } catch (NumberFormatException nfe) {
        logger.debug("Could not parse width \"" + width + "\"");
    }

    try {
        getMedia().setHeight(Integer.parseInt(height));
    } catch (NumberFormatException nfe) {
        logger.debug("Could not parse height \"" + height + "\"");
    }

    getMedia().setMediaparsed(true);
}

From source file:com.cloud.test.stress.StressTestDirectAttach.java

private static String sshWinTest(String host) {
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring win ssh test");
        return null;
    }//  w w w .ja v  a  2s . co m

    // We will retry 5 times before quitting
    int retry = 1;

    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry
                        + " ...sleeping 300 seconds before next attempt. Account is " + _account.get());
                Thread.sleep(300000);
            }

            s_logger.info("Attempting to SSH into windows host " + host + " with retry attempt: " + retry
                    + " for account " + _account.get());

            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);

            s_logger.info("User " + _account.get() + " ssHed successfully into windows host " + host);
            boolean success = false;
            boolean isAuthenticated = conn.authenticateWithPassword("Administrator", "password");
            if (isAuthenticated == false) {
                return "Authentication failed";
            } else {
                s_logger.info("Authentication is successfull");
            }

            try {
                SCPClient scp = new SCPClient(conn);
                scp.put("wget.exe", "wget.exe", "C:\\Users\\Administrator", "0777");
                s_logger.info("Successfully put wget.exe file");
            } catch (Exception ex) {
                s_logger.error("Unable to put wget.exe " + ex);
            }

            if (conn == null) {
                s_logger.error("Connection is null");
            }
            Session sess = conn.openSession();

            s_logger.info("User + " + _account.get() + " executing : wget http://192.168.1.250/dump.bin");
            sess.execCommand("wget http://192.168.1.250/dump.bin && dir dump.bin");

            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();

            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(
                            ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF,
                            120000);

                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }

                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }

                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (len > 0) // this check is somewhat paranoid
                        s_logger.info(new String(buffer, 0, len));
                }

                while (stderr.available() > 0) {
                    /* int len = */stderr.read(buffer);
                }
            }
            sess.close();
            conn.close();

            if (success) {
                Thread.sleep(120000);
                return null;
            } else {
                retry++;
                if (retry == MAX_RETRY_WIN) {
                    return "SSH Windows Network test fail for account " + _account.get();
                }
            }
        } catch (Exception e) {
            s_logger.error(e);
            retry++;
            if (retry == MAX_RETRY_WIN) {
                return "SSH Windows Network test fail with error " + e.getMessage();
            }
        }
    }
}

From source file:com.cloud.test.stress.StressTestDirectAttach.java

private static String sshTest(String host, String password) {
    int i = 0;//from www.j av  a2s  .  co m
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }

    if (password == null) {
        s_logger.info("Did not receive a password back from test, ignoring ssh test");
        return null;
    }

    // We will retry 5 times before quitting
    String result = null;
    int retry = 0;

    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry
                        + " ...sleeping 120 seconds before next attempt. Account is " + _account.get());
                Thread.sleep(120000);
            }

            s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry
                    + ". Account is " + _account.get());

            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);

            s_logger.info("User + " + _account.get() + " ssHed successfully into linux host " + host);

            boolean isAuthenticated = conn.authenticateWithPassword("root", password);

            if (isAuthenticated == false) {
                s_logger.info("Authentication failed for root with password" + password);
                return "Authentication failed";

            }

            boolean success = false;
            String linuxCommand = null;

            if (i % 10 == 0)
                linuxCommand = "rm -rf *; wget http://192.168.1.250/dump.bin && ls -al dump.bin";
            else
                linuxCommand = "wget http://192.168.1.250/dump.bin && ls -al dump.bin";

            Session sess = conn.openSession();
            s_logger.info("User " + _account.get() + " executing : " + linuxCommand);
            sess.execCommand(linuxCommand);

            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();

            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(
                            ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF,
                            120000);

                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }

                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }

                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (len > 0) // this check is somewhat paranoid
                        s_logger.info(new String(buffer, 0, len));
                }

                while (stderr.available() > 0) {
                    /* int len = */stderr.read(buffer);
                }
            }

            sess.close();
            conn.close();

            if (!success) {
                retry++;
                if (retry == MAX_RETRY_LINUX) {
                    result = "SSH Linux Network test fail";
                }
            }

            return result;
        } catch (Exception e) {
            retry++;
            s_logger.error("SSH Linux Network test fail with error");
            if (retry == MAX_RETRY_LINUX) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
        i++;
    }
}

From source file:com.bean.ImagenLogica.java

public String guardarImagen() {

    File archivo = null;/*from  w ww  .ja  v a2  s.  c  o m*/
    InputStream in = null;
    String codUsuario = "";
    String extension = "";
    int i = 0;

    extension = "." + FilenameUtils.getExtension(this.getObjImagen().getImagen().getFileName());
    codUsuario = String.valueOf(new SessionLogica().obtenerUsuarioSession().getCodUsuario());

    try {
        in = this.getObjImagen().getImagen().getInputstream();
        byte[] data = new byte[in.available()];
        in.read(data);
        archivo = new File(this.rutaImgPerfil + codUsuario + extension);
        FileOutputStream out = new FileOutputStream(archivo);

        out.write(data);
        System.out.println("Ruta de Path Absolute");
        System.out.println(archivo.getAbsolutePath());

        in.close();
        out.flush();
        out.close();

        Usuario obj = new SessionLogica().obtenerUsuarioSession();
        obj.getObjPerfil().setImagenPer(codUsuario + extension);
        new SessionLogica().setUsuarioSession(obj);

        new PerfilLogica().actualizarImagenPerfil(obj);

    } catch (IOException ex) {
        System.out.println(ex.getMessage());
        return "none.jpg";
    }
    return codUsuario + extension;
}

From source file:com.test.hwautotest.emmagee.service.EmmageeService.java

public String getFromAsset(String fileName) {
    String res = "";
    try {//from   w w  w  .ja v  a  2  s . c om
        InputStream in = getResources().getAssets().open(fileName);
        int length = in.available();
        byte[] buffer = new byte[length];
        in.read(buffer);
        res = EncodingUtils.getString(buffer, "GBK");
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return res;
}

From source file:com.ewcms.web.pubsub.PubsubServlet.java

/**
 * Comet event?// w w w .  j a v a2  s  . c om
 * 
 * ???<a href = "http://tomcat.apache.org/tomcat-6.0-doc/aio.html#Example_code">ChatServlet</a>
 * 
 * @param event
 *            The Comet event that will be processed
 * @throws IOException
 * @throws ServletException
 */
public void event(CometEvent event) throws IOException, ServletException {
    HttpServletRequest request = event.getHttpServletRequest();
    HttpServletResponse response = event.getHttpServletResponse();

    if (event.getEventType() == CometEvent.EventType.BEGIN) {
        logger.debug("Begin for session:{} ", request.getSession(true).getId());
        String fullContentType = "text/html;charset=UTF-8";
        response.setContentType(fullContentType);
        addConnection(request.getPathInfo(), response);
    } else if (event.getEventType() == CometEvent.EventType.ERROR) {
        logger.debug("Error for session: {}", request.getSession(true).getId());
        removeConnection(response);
        event.close();
    } else if (event.getEventType() == CometEvent.EventType.END) {
        logger.debug("End for session:{} ", request.getSession(true).getId());
        removeConnection(response);
        event.close();
    } else if (event.getEventType() == CometEvent.EventType.READ) {
        InputStream is = request.getInputStream();
        byte[] buf = new byte[512];
        do {
            int n = is.read(buf); // can throw an IOException
            if (n > 0) {
                logger.debug("Read {} bytes:{} for session:{}",
                        new Object[] { n, new String(buf, 0, n), request.getSession(true).getId() });
            } else if (n < 0) {
                return;
            }
        } while (is.available() > 0);
    }
}

From source file:com.janoz.usenet.searchers.impl.NewzbinConnectorTest.java

private String readStream(InputStream is) throws IOException {
    byte[] bytes = new byte[is.available()];
    is.read(bytes);//from   www  .  j a  va  2 s. co m
    return new String(bytes, "UTF8");
}