Example usage for java.io InputStream skip

Introduction

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

Prototype

public long skip(long n) throws IOException 

Source Link

Document

Skips over and discards n bytes of data from this input stream.

Usage

From source file:cd.education.data.collector.android.utilities.WebUtils.java

/**
 * Utility to ensure that the entity stream of a response is drained of
 * bytes./*from  w ww.  j  av a 2 s . co  m*/
 *
 * @param response
 */
public static final void discardEntityBytes(HttpResponse response) {
    // may be a server that does not handle
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        try {
            // have to read the stream in order to reuse the connection
            InputStream is = response.getEntity().getContent();
            // read to end of stream...
            final long count = 1024L;
            while (is.skip(count) == count)
                ;
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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From source file:org.jenkinsci.plugins.workflow.job.WorkflowRun.java

/**
 * Equivalent to calling {@link LargeText#writeLogTo(long, OutputStream)} without the unwanted override in {@link AnnotatedLargeText} that wraps in a {@link PlainTextConsoleOutputStream}.
 * TODO replace with {@code AnnotatedLargeText#writeRawLogTo} in 1.577
 *///from w  ww.  j a  v  a 2 s . co m
private static long writeLogTo(AnnotatedLargeText<?> text, long position, OutputStream os) throws IOException {
    Charset c;
    try {
        Field f = LargeText.class.getDeclaredField("charset");
        f.setAccessible(true);
        c = (Charset) f.get(text);
    } catch (Exception x) {
        LOGGER.log(Level.WARNING, null, x);
        return text.writeLogTo(position, os); // give up
    }
    Reader r = text.readAll();
    try {
        InputStream is = new ReaderInputStream(r, c);
        is.skip(position);
        return position + IOUtils.copyLarge(is, os);
    } finally {
        r.close();
    }
}

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From source file:Main.java

private static byte[] readBiggerStream(final InputStream in, final long streamlength) throws IOException {
    byte[] bytes = new byte[PART_SIZE * 3];
    int readed = -1;
    int patchsize = -1;
    long skiped = -1;
    long patchskip = -1;
    long pointpos = 0;
    readed = in.read(bytes, 0, PART_SIZE);
    patchsize = readed;/*from   ww w  . j av  a2  s .  c  o  m*/
    while (patchsize > 0 && readed != PART_SIZE) {
        patchsize = in.read(bytes, readed, PART_SIZE - readed);
        if (patchsize > 0) {
            readed += patchsize;
        }
    }
    pointpos = streamlength / 3 - PART_SIZE;
    skiped = in.skip(pointpos);
    patchskip = skiped;
    while (patchskip > 0 && skiped != pointpos) {
        patchskip = in.skip(pointpos - skiped);
        if (patchskip > 0) {
            skiped += patchskip;
        }
    }
    readed = in.read(bytes, PART_SIZE, PART_SIZE);
    patchsize = readed;
    while (patchsize > 0 && readed != PART_SIZE) {
        patchsize = in.read(bytes, PART_SIZE + readed, PART_SIZE - readed);
        if (patchsize > 0) {
            readed += patchsize;
        }
    }
    pointpos = streamlength - streamlength / 3 - PART_SIZE * 2;
    skiped = in.skip(pointpos);
    patchskip = skiped;
    while (patchskip > 0 && skiped != pointpos) {
        patchskip = in.skip(pointpos - skiped);
        if (patchskip > 0) {
            skiped += patchskip;
        }
    }
    readed = in.read(bytes, PART_SIZE * 2, PART_SIZE);
    patchsize = readed;
    while (patchsize > 0 && readed != PART_SIZE) {
        patchsize = in.read(bytes, PART_SIZE * 2 + readed, PART_SIZE - readed);
        if (patchsize > 0) {
            readed += patchsize;
        }
    }
    return bytes;
}

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From source file:Hash.Hash.java

private static boolean skipBytes(InputStream in, long pointer) throws IOException {
    do {//from w  w w  . java2  s . c o  m
        long skip = in.skip(pointer);
        if (skip < 0)
            return false;
        pointer -= skip;
    } while (pointer > 0);
    return true;
}

---

From source file:com.mpower.mintel.android.utilities.WebUtils.java

/**
 * Common method for returning a parsed xml document given a url and the
 * http context and client objects involved in the web connection.
 * //from   www .j a  v  a2  s.c  om
 * @param urlString
 * @param localContext
 * @param httpclient
 * @return
 */
public static DocumentFetchResult getXmlDocument(String urlString, HttpContext localContext,
        HttpClient httpclient, String auth) {
    URI u = null;
    try {
        URL url = new URL(URLDecoder.decode(urlString, "utf-8"));
        u = url.toURI();
    } catch (Exception e) {
        e.printStackTrace();
        return new DocumentFetchResult(e.getLocalizedMessage()
                // + app.getString(R.string.while_accessing) + urlString);
                + ("while accessing") + urlString, 0);
    }

    // set up request...
    HttpGet req = WebUtils.createOpenRosaHttpGet(u, auth);

    HttpResponse response = null;
    try {
        response = httpclient.execute(req, localContext);
        int statusCode = response.getStatusLine().getStatusCode();

        HttpEntity entity = response.getEntity();

        if (entity != null && (statusCode != 200 || !entity.getContentType().getValue().toLowerCase()
                .contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML))) {
            try {
                // don't really care about the stream...
                InputStream is = response.getEntity().getContent();
                // read to end of stream...
                final long count = 1024L;
                while (is.skip(count) == count)
                    ;
                is.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        if (statusCode != 200) {
            String webError = response.getStatusLine().getReasonPhrase() + " (" + statusCode + ")";

            return new DocumentFetchResult(u.toString() + " responded with: " + webError, statusCode);
        }

        if (entity == null) {
            String error = "No entity body returned from: " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        if (!entity.getContentType().getValue().toLowerCase().contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML)) {
            String error = "ContentType: " + entity.getContentType().getValue() + " returned from: "
                    + u.toString()
                    + " is not text/xml.  This is often caused a network proxy.  Do you need to login to your network?";
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        // parse response
        Document doc = null;
        try {
            InputStream is = null;
            InputStreamReader isr = null;
            try {
                is = entity.getContent();
                isr = new InputStreamReader(is, "UTF-8");
                doc = new Document();
                KXmlParser parser = new KXmlParser();
                parser.setInput(isr);
                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
                doc.parse(parser);
                isr.close();
            } finally {
                if (isr != null) {
                    try {
                        isr.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
                if (is != null) {
                    try {
                        is.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            String error = "Parsing failed with " + e.getMessage() + "while accessing " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        boolean isOR = false;
        Header[] fields = response.getHeaders(WebUtils.OPEN_ROSA_VERSION_HEADER);
        if (fields != null && fields.length >= 1) {
            isOR = true;
            boolean versionMatch = false;
            boolean first = true;
            StringBuilder b = new StringBuilder();
            for (Header h : fields) {
                if (WebUtils.OPEN_ROSA_VERSION.equals(h.getValue())) {
                    versionMatch = true;
                    break;
                }
                if (!first) {
                    b.append("; ");
                }
                first = false;
                b.append(h.getValue());
            }
            if (!versionMatch) {
                Log.w(t, WebUtils.OPEN_ROSA_VERSION_HEADER + " unrecognized version(s): " + b.toString());
            }
        }
        return new DocumentFetchResult(doc, isOR);
    } catch (Exception e) {
        e.printStackTrace();
        String cause;
        if (e.getCause() != null) {
            cause = e.getCause().getMessage();
        } else {
            cause = e.getMessage();
        }
        String error = "Error: " + cause + " while accessing " + u.toString();

        Log.w(t, error);
        return new DocumentFetchResult(error, 0);
    }
}

---

From source file:com.mpower.daktar.android.utilities.WebUtils.java

/**
 * Common method for returning a parsed xml document given a url and the
 * http context and client objects involved in the web connection.
 *
 * @param urlString//from ww w .  ja v  a 2  s. c  o  m
 * @param localContext
 * @param httpclient
 * @return
 */
public static DocumentFetchResult getXmlDocument(final String urlString, final HttpContext localContext,
        final HttpClient httpclient, final String auth) {
    URI u = null;
    try {
        final URL url = new URL(URLDecoder.decode(urlString, "utf-8"));
        u = url.toURI();
    } catch (final Exception e) {
        e.printStackTrace();
        return new DocumentFetchResult(e.getLocalizedMessage()
                // + app.getString(R.string.while_accessing) + urlString);
                + "while accessing" + urlString, 0);
    }

    // set up request...
    final HttpGet req = WebUtils.createOpenRosaHttpGet(u, auth);

    HttpResponse response = null;
    try {
        response = httpclient.execute(req, localContext);
        final int statusCode = response.getStatusLine().getStatusCode();

        final HttpEntity entity = response.getEntity();

        if (entity != null && (statusCode != 200 || !entity.getContentType().getValue().toLowerCase()
                .contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML))) {
            try {
                // don't really care about the stream...
                final InputStream is = response.getEntity().getContent();
                // read to end of stream...
                final long count = 1024L;
                while (is.skip(count) == count) {
                    ;
                }
                is.close();
            } catch (final Exception e) {
                e.printStackTrace();
            }
        }

        if (statusCode != 200) {
            final String webError = response.getStatusLine().getReasonPhrase() + " (" + statusCode + ")";

            return new DocumentFetchResult(u.toString() + " responded with: " + webError, statusCode);
        }

        if (entity == null) {
            final String error = "No entity body returned from: " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        if (!entity.getContentType().getValue().toLowerCase().contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML)) {
            final String error = "ContentType: " + entity.getContentType().getValue() + " returned from: "
                    + u.toString()
                    + " is not text/xml.  This is often caused a network proxy.  Do you need to login to your network?";
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        // parse response
        Document doc = null;
        try {
            InputStream is = null;
            InputStreamReader isr = null;
            try {
                is = entity.getContent();
                isr = new InputStreamReader(is, "UTF-8");
                doc = new Document();
                final KXmlParser parser = new KXmlParser();
                parser.setInput(isr);
                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
                doc.parse(parser);
                isr.close();
            } finally {
                if (isr != null) {
                    try {
                        isr.close();
                    } catch (final Exception e) {
                        // no-op
                    }
                }
                if (is != null) {
                    try {
                        is.close();
                    } catch (final Exception e) {
                        // no-op
                    }
                }
            }
        } catch (final Exception e) {
            e.printStackTrace();
            final String error = "Parsing failed with " + e.getMessage() + "while accessing " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        boolean isOR = false;
        final Header[] fields = response.getHeaders(WebUtils.OPEN_ROSA_VERSION_HEADER);
        if (fields != null && fields.length >= 1) {
            isOR = true;
            boolean versionMatch = false;
            boolean first = true;
            final StringBuilder b = new StringBuilder();
            for (final Header h : fields) {
                if (WebUtils.OPEN_ROSA_VERSION.equals(h.getValue())) {
                    versionMatch = true;
                    break;
                }
                if (!first) {
                    b.append("; ");
                }
                first = false;
                b.append(h.getValue());
            }
            if (!versionMatch) {
                Log.w(t, WebUtils.OPEN_ROSA_VERSION_HEADER + " unrecognized version(s): " + b.toString());
            }
        }
        return new DocumentFetchResult(doc, isOR);
    } catch (final Exception e) {
        e.printStackTrace();
        String cause;
        if (e.getCause() != null) {
            cause = e.getCause().getMessage();
        } else {
            cause = e.getMessage();
        }
        final String error = "Error: " + cause + " while accessing " + u.toString();

        Log.w(t, error);
        return new DocumentFetchResult(error, 0);
    }
}

---

From source file:com.mycompany.rproject.runnableClass.java

public static void write() {
    try {/*from  w w  w.  j av a2s .c o  m*/

        System.out.println("Loading models...");

        Configuration configuration = new Configuration();

        // Load model from the jar

        configuration.setAcousticModelPath("resource:/edu/cmu/sphinx/models/en-us/en-us");

        //diccionario que usamos

        configuration.setDictionaryPath("resource:/edu/cmu/sphinx/models/en-us/cmudict-en-us.dict");

        //languagemodel 

        configuration.setLanguageModelPath("resource:/edu/cmu/sphinx/models/en-us/en-us.lm.dmp");

        //        //creo un reconozcedor
        StreamSpeechRecognizer recognizer = new StreamSpeechRecognizer(configuration);
        System.out.println("wuhu");
        InputStream stream = TranscriberDemo.class
                .getResourceAsStream("/edu/cmu/sphinx/demo/aligner/outpone.wav");

        System.out.println("holotuhu");

        //            
        stream.skip(44);

        System.out.println("wuhuluhutuhu");

        // Simple recognition with generic model
        recognizer.startRecognition(stream);
        SpeechResult result;

        String outputFilePath = "/Users/paulamontojo/Downloads/rproject/src/main/resources/edu/cmu/sphinx/demo/aligner/prueba.txt";

        PrintWriter pw = null;
        try {
            pw = new PrintWriter(new BufferedWriter(new FileWriter(outputFilePath, false)));
            // Loop until last utterance in the audio file has been decoded, in which case the recognizer will return null.

            while ((result = recognizer.getResult()) != null) {

                //get hypothesis 
                System.out.format("Hypothesis: %s\n", result.getHypothesis());

                for (WordResult res : result.getWords()) {

                    if (res.toString().contains("<sil>")) {
                        System.out.println(" ");
                        pw.println(" ");
                    } else {
                        System.out.print(res);
                        pw.print(res);
                    }
                }

                System.out.println("Best hypothesis:");
                for (String s : result.getNbest(1)) {

                    System.out.println(s);

                    System.out.println("holi");
                }

            }
        } catch (IOException ex) {

        } finally {
            if (pw != null) {
                pw.close();
                pw.flush();

            }
        }

        recognizer.stopRecognition();
        try {

            File archivo = new File(
                    "/Users/paulamontojo/Downloads/rproject/src/main/resources/edu/cmu/sphinx/demo/aligner/prueba.txt");
            fr = new FileReader(archivo);
            br = new BufferedReader(fr);
            sbu = new StringBuilder();

            // Lectura del fichero
            String linea;
            while ((linea = br.readLine()) != null) {
                System.out.println(linea);
                sbu.append(linea);
                sbu.append("\n");
            }

        }

        catch (Exception e) {
            e.printStackTrace();
        } finally {

            try {
                if (null != fr) {
                    fr.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }

        System.out.println(sbu.toString());

    } catch (IOException ex) {
        Logger.getLogger(runnableClass.class.getName()).log(Level.SEVERE, null, ex);

    }
}

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From source file:org.olat.core.gui.media.ServletUtil.java

protected static IOException copyRange(InputStream istream, OutputStream ostream, long start, long end) {
    try {/*from  ww w.j  a  v  a 2 s.  c  o  m*/
        istream.skip(start);
    } catch (IOException e) {
        return e;
    }

    IOException exception = null;
    long bytesToRead = end - start + 1;

    byte buffer[] = new byte[2048];
    int len = buffer.length;
    while ((bytesToRead > 0) && (len >= buffer.length)) {
        try {
            len = istream.read(buffer);
            if (bytesToRead >= len) {
                ostream.write(buffer, 0, len);
                bytesToRead -= len;
            } else {
                ostream.write(buffer, 0, (int) bytesToRead);
                bytesToRead = 0;
            }
        } catch (IOException e) {
            exception = e;
            len = -1;
        }
        if (len < buffer.length)
            break;
    }

    return exception;
}

---

From source file:org.opendatakit.briefcase.util.AggregateUtils.java

private static final void flushEntityBytes(HttpEntity entity) {
    if (entity != null) {
        // something is amiss -- read and discard any response body.
        try {//from w  ww  . j a  va  2 s . co m
            // don't really care about the stream...
            InputStream is = entity.getContent();
            // read to end of stream...
            final long count = 1024L;
            while (is.skip(count) == count)
                ;
            is.close();
        } catch (Exception e) {
            log.error("failed to flush http content", e);
        }
    }
}

---

From source file:com.swingtech.apps.filemgmt.controller.StreamingViewRenderer.java

/**
 * Copy the given byte range of the given input to the given output.
 * //from   w w  w  .j  av  a  2s .  c  o  m
 * @param input
 *            The input to copy the given range to the given output for.
 * @param output
 *            The output to copy the given range from the given input for.
 * @param start
 *            Start of the byte range.
 * @param length
 *            Length of the byte range.
 * @throws IOException
 *             If something fails at I/O level.
 */
private static void copy(InputStream input, OutputStream output, long inputSize, long start, long length)
        throws IOException {
    byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
    int read;

    if (inputSize == length) {
        // Write full range.
        while ((read = input.read(buffer)) > 0) {
            output.write(buffer, 0, read);
            output.flush();
        }
    } else {
        input.skip(start);
        long toRead = length;

        while ((read = input.read(buffer)) > 0) {
            if ((toRead -= read) > 0) {
                output.write(buffer, 0, read);
                output.flush();
            } else {
                output.write(buffer, 0, (int) toRead + read);
                output.flush();
                break;
            }
        }
    }
}

---

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