Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

Introduction

In this page you can find the example usage for java.util.zip GZIPOutputStream GZIPOutputStream.

Prototype

public GZIPOutputStream(OutputStream out) throws IOException 

Source Link

Document

Creates a new output stream with a default buffer size.

Usage

From source file:com.dumontierlab.pdb2rdf.Pdb2Rdf.java

private static void printRdf(final CommandLine cmd, final Map<String, Double> stats) {
    final File outDir = getOutputDirectory(cmd);
    final RDFWriter writer = getWriter(cmd);
    final ProgressMonitor monitor = getProgressMonitor();
    Pdb2RdfInputIterator i = processInput(cmd);
    final int inputSize = i.size();
    final AtomicInteger progressCount = new AtomicInteger();
    ExecutorService pool = null;//from w  w w .j  a  va 2 s. com
    if (outDir != null) {
        pool = getThreadPool(cmd);
    } else {
        // if output is going to the STDOUT then we need to do process in
        // sequential mode.
        pool = Executors.newSingleThreadExecutor();
    }

    final Object lock = new Object();

    while (i.hasNext()) {
        final InputSource input = i.next();
        pool.execute(new Runnable() {
            @Override
            public void run() {
                OutputStream out = System.out;
                PdbXmlParser parser = new PdbXmlParser();
                PdbRdfModel model = null;
                try {
                    if (cmd.hasOption("detailLevel")) {
                        try {
                            DetailLevel detailLevel = Enum.valueOf(DetailLevel.class,
                                    cmd.getOptionValue("detailLevel"));
                            model = parser.parse(input, new PdbRdfModel(), detailLevel);
                        } catch (IllegalArgumentException e) {
                            LOG.fatal("Invalid argument value for detailLevel option", e);
                            System.exit(1);
                        }
                    } else {
                        model = parser.parse(input, new PdbRdfModel());
                    }
                    // add the input file information
                    model.addInputFileInformation();
                    // add the outputFile information();
                    model.addRDFFileInformation();
                    if (outDir != null) {
                        File directory = new File(outDir, model.getPdbId().substring(1, 3));
                        synchronized (lock) {
                            if (!directory.exists()) {
                                directory.mkdir();
                            }
                        }
                        File file = new File(directory, model.getPdbId() + ".rdf.gz");
                        out = new GZIPOutputStream(new FileOutputStream(file));
                    }
                    if (cmd.hasOption("format")) {
                        if (cmd.getOptionValue("format").equalsIgnoreCase("NQUADs")) {
                            Dataset ds = TDBFactory.createDataset();
                            ds.addNamedModel(model.getDatasetResource().toString(), model);
                            StringWriter sw = new StringWriter();
                            RDFDataMgr.write(sw, ds, Lang.NQUADS);

                            out.write(sw.toString().getBytes(Charset.forName("UTF-8")));
                            ds.close();

                        }
                    }

                    writer.write(model, out, null);

                    if (stats != null) {
                        updateStats(stats, model);
                    }
                    if (monitor != null) {
                        monitor.setProgress(progressCount.incrementAndGet(), inputSize);
                    }

                } catch (Exception e) {
                    String id = null;
                    if (model != null) {
                        id = model.getPdbId();
                    }
                    LOG.error("Unable to parse input for PDB: " + id, e);
                } finally {
                    try {
                        out.close();
                    } catch (IOException e) {
                        LOG.error("Unable to close output stream", e);
                    }
                }
            }
        });
    }
    pool.shutdown();
    while (!pool.isTerminated()) {
        try {
            pool.awaitTermination(1, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            break;
        }
    }
}

---

From source file:org.runnerup.export.EndomondoSynchronizer.java

@Override
public Status upload(SQLiteDatabase db, long mID) {
    Status s;//from   w ww  . j  a  va2  s .com
    if ((s = connect()) != Status.OK) {
        return s;
    }

    EndomondoTrack tcx = new EndomondoTrack(db);
    HttpURLConnection conn = null;
    Exception ex = null;
    try {
        EndomondoTrack.Summary summary = new EndomondoTrack.Summary();
        StringWriter writer = new StringWriter();
        tcx.export(mID, writer, summary);

        String workoutId = deviceId + "-" + Long.toString(mID);
        Log.e(getName(), "workoutId: " + workoutId);

        StringBuilder url = new StringBuilder();
        url.append(UPLOAD_URL).append("?authToken=").append(authToken);
        url.append("&workoutId=").append(workoutId);
        url.append("&sport=").append(summary.sport);
        url.append("&duration=").append(summary.duration);
        url.append("&distance=").append(summary.distance);
        if (summary.hr != null) {
            url.append("&heartRateAvg=").append(summary.hr.toString());
        }
        url.append("&gzip=true");
        url.append("&extendedResponse=true");

        conn = (HttpURLConnection) new URL(url.toString()).openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod(RequestMethod.POST.name());
        conn.addRequestProperty("Content-Type", "application/octet-stream");
        OutputStream out = new GZIPOutputStream(new BufferedOutputStream(conn.getOutputStream()));
        out.write(writer.getBuffer().toString().getBytes());
        out.flush();
        out.close();

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        JSONObject res = parseKVP(in);
        conn.disconnect();

        Log.e(getName(), "res: " + res.toString());

        int responseCode = conn.getResponseCode();
        String amsg = conn.getResponseMessage();
        if (responseCode == HttpStatus.SC_OK && "OK".contentEquals(res.getString("_0"))) {
            s.activityId = mID;
            return s;
        }
        ex = new Exception(amsg);
    } catch (IOException e) {
        ex = e;
    } catch (JSONException e) {
        ex = e;
    }

    s = Synchronizer.Status.ERROR;
    s.ex = ex;
    if (ex != null) {
        ex.printStackTrace();
    }
    return s;
}

---

From source file:com.github.jasonruckman.gzip.AbstractBenchmark.java

private void initializeJackson() {
    try {/*from ww  w.j a v a  2s . co  m*/
        ObjectMapper mapper = new ObjectMapper();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(baos);
        mapper.writeValue(gzos, sampleData);
        gzos.close();
        serializedJacksonData = baos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.wso2.carbon.automation.extensions.servers.httpserver.SimpleHttpClient.java

/**
 * Send a HTTP PUT request to the specified URL
 *
 * @param url         Target endpoint URL
 * @param headers     Any HTTP headers that should be added to the request
 * @param payload     Content payload that should be sent
 * @param contentType Content-type of the request
 * @return Returned HTTP response/*  w ww .  j  a va2  s  .  c  o  m*/
 * @throws IOException If an error occurs while making the invocation
 */
public HttpResponse doPut(String url, final Map<String, String> headers, final String payload,
        String contentType) throws IOException {
    HttpUriRequest request = new HttpPut(url);
    setHeaders(headers, request);
    HttpEntityEnclosingRequest entityEncReq = (HttpEntityEnclosingRequest) request;
    final boolean zip = headers != null && "gzip".equals(headers.get(HttpHeaders.CONTENT_ENCODING));

    EntityTemplate ent = new EntityTemplate(new ContentProducer() {
        public void writeTo(OutputStream outputStream) throws IOException {
            OutputStream out = outputStream;
            if (zip) {
                out = new GZIPOutputStream(outputStream);
            }
            out.write(payload.getBytes(Charset.defaultCharset()));
            out.flush();
            out.close();
        }
    });
    ent.setContentType(contentType);
    if (zip) {
        ent.setContentEncoding("gzip");
    }
    entityEncReq.setEntity(ent);
    return client.execute(request);
}

---

From source file:de.tudarmstadt.lt.ltbot.writer.PlainTextDocumentWriter.java

protected PrintStream openPrintToFileStream(File outputfile) throws IOException {
    OutputStream os = new FileOutputStream(outputfile, true);
    if (getFilenameFormat().endsWith(".gz")) {
        os = new GZIPOutputStream(os); //{{ def.setLevel(Deflater.BEST_COMPRESSION); }};
    }/*from  ww  w  . j a  v  a  2 s .com*/
    PrintStream p = new PrintStream(os);
    p.flush();
    return p;
}

---

From source file:com.basistech.rosette.dm.json.array.CompareJsons.java

private static byte[] gzipCompress(byte[] data) {
    ByteArrayOutputStream sink = new ByteArrayOutputStream();
    try {//from   w  ww  .j av  a2s .c o  m
        GZIPOutputStream compressedStream = new GZIPOutputStream(sink);
        ByteStreams.copy(new ByteArrayInputStream(data), compressedStream);
        compressedStream.close();
        return sink.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.meltmedia.cadmium.servlets.BasicFileServlet.java

public void processRequest(FileRequestContext context) throws ServletException, IOException {
    try {//  w w w. ja v a 2s.c  o  m
        // Find the file to serve in the file system.  This may redirect for welcome files or send 404 responses.
        if (locateFileToServe(context))
            return;

        // Handle any conditional headers that may be present.
        if (handleConditions(context))
            return;

        // Sets the content type header.
        resolveContentType(context);

        // Sets compress if Accept-Encoding allows for gzip or identity
        if (checkAccepts(context))
            return;

        try {
            if (context.file != null) {
                context.response.setHeader(CONTENT_DISPOSITION_HEADER,
                        "inline;filename=\"" + context.file.getName() + "\"");
            }
            context.response.setHeader(ACCEPT_RANGES_HEADER, "bytes");
            if (context.eTag != null) {
                context.response.setHeader(ETAG_HEADER, context.eTag);
            }
            context.response.setDateHeader(LAST_MODIFIED_HEADER, lastUpdated);
            if (!context.ranges.isEmpty()) {
                context.response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
                String rangeBoundary = RANGE_BOUNDARY + UUID.randomUUID().toString();
                if (context.ranges.size() > 1) {
                    context.response.setContentType("multipart/byteranges; boundary=" + rangeBoundary);
                    context.response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);

                    if (context.sendEntity) {
                        context.in = new FileInputStream(context.file);
                        context.out = context.response.getOutputStream();
                        ServletOutputStream sout = (ServletOutputStream) context.out;
                        for (Range r : context.ranges) {
                            sout.println();
                            sout.println("--" + rangeBoundary);
                            sout.println("Content-Type: " + context.contentType);
                            sout.println("Context-Range: bytes " + r.start + "-" + r.end + "/"
                                    + context.file.length());

                            copyPartialContent(context.in, context.out, r);
                        }

                        sout.println();
                        sout.println("--" + rangeBoundary + "--");
                    }
                } else {
                    Range r = context.ranges.get(0);
                    context.response.setContentType(context.contentType);
                    Long rangeLength = calculateRangeLength(context, r);
                    context.response.setHeader(CONTENT_RANGE_HEADER,
                            "bytes " + r.start + "-" + r.end + "/" + context.file.length());
                    if (context.sendEntity) {
                        context.in = new FileInputStream(context.file);
                        context.out = context.response.getOutputStream();

                        context.response.setHeader(CONTENT_LENGTH_HEADER, rangeLength.toString());

                        copyPartialContent(context.in, context.out, r);
                    }
                }
            } else {
                context.response.setStatus(HttpServletResponse.SC_OK);
                context.response.setContentType(context.contentType);

                if (context.sendEntity) {
                    context.response.setHeader(CONTENT_RANGE_HEADER,
                            "bytes 0-" + context.file.length() + "/" + context.file.length());
                    context.in = new FileInputStream(context.file);
                    context.out = context.response.getOutputStream();
                    if (context.compress) {

                        context.response.setHeader(CONTENT_ENCODING_HEADER, "gzip");
                        context.out = new GZIPOutputStream(context.out);

                    } else
                        context.response.setHeader(CONTENT_LENGTH_HEADER,
                                new Long(context.file.length()).toString());

                    IOUtils.copy(context.in, context.out);
                }
            }
        } finally {
            IOUtils.closeQuietly(context.in);
            IOUtils.closeQuietly(context.out);
        }
    } catch (IOException ioe) {
        logger.error("Received an IOException serving request: " + context.path, ioe);
        throw ioe;
    } catch (Throwable t) {
        logger.error("Failed to serve request: " + context.path, t);
        throw new ServletException(t);
    }
}

---

From source file:co.cask.cdap.internal.app.runtime.LocalizationUtilsTest.java

private File createTgzFile(String tgzFileName, File... filesToAdd) throws IOException {
    File target = TEMP_FOLDER.newFile(tgzFileName + ".tgz");
    try (TarArchiveOutputStream tos = new TarArchiveOutputStream(
            new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(target))))) {
        addFilesToTar(tos, filesToAdd);//from   w  w  w . j  a  v  a  2 s  .  c  o  m
    }
    return target;
}

---

From source file:com.googlecode.jgenhtml.JGenHtmlUtils.java

public static void transformToFile(final File targetFile, final boolean asXml, final Document doc)
        throws TransformerConfigurationException, TransformerException, IOException {
    Transformer transformer;//from  w w w.  j  a  v  a  2 s.co m
    Config config = CoverageReport.getConfig();
    if (asXml) {
        transformer = getTransformer(null);
    } else {
        transformer = getTransformer('/' + JGenHtmlUtils.XSLT_NAME);
        transformer.setParameter("ext", config.getHtmlExt());
        File cssFile = config.getCssFile();
        if (cssFile != null) {
            transformer.setParameter("cssName", cssFile.getName());
        }
    }
    DOMSource src = new DOMSource(doc);
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    StreamResult res;
    if (config.isGzip()) {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(new FileOutputStream(targetFile));
        res = new StreamResult(bos);
        transformer.transform(src, res);
        IOUtils.write(bos.toByteArray(), gzos);
        IOUtils.closeQuietly(gzos);
    } else {
        res = new StreamResult(targetFile);
        transformer.transform(src, res);
    }
}

---

From source file:cc.creativecomputing.io.CCIOUtil.java

/**
 * decode a gzip output stream/*from   ww w. j  a va2  s  .  c  om*/
 */
static public OutputStream gzipOutput(OutputStream output) {
    try {
        return new GZIPOutputStream(output);
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException("Problem with gzip output");
    }
    //return null;
}

---

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