Example usage for java.util.zip GZIPInputStream GZIPInputStream

Introduction

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

Prototype

public GZIPInputStream(InputStream in) throws IOException 

Source Link

Document

Creates a new input stream with a default buffer size.

Usage

From source file:com.opengamma.web.analytics.json.Compressor.java

static void decompressStream(InputStream inputStream, OutputStream outputStream)
        throws IOException {
    @SuppressWarnings("resource")
    InputStream iStream = new GZIPInputStream(
            new Base64InputStream(new BufferedInputStream(inputStream), false, -1, null));
    OutputStream oStream = new BufferedOutputStream(outputStream);
    byte[] buffer = new byte[2048];
    int bytesRead;
    while ((bytesRead = iStream.read(buffer)) != -1) {
        oStream.write(buffer, 0, bytesRead);
    }/*from  w w w  .ja va  2s . co m*/
    oStream.flush();
}

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From source file:sample.jetty.SampleJettyApplicationTests.java

@Test
public void testCompression() throws Exception {
    HttpHeaders requestHeaders = new HttpHeaders();
    requestHeaders.set("Accept-Encoding", "gzip");
    HttpEntity<?> requestEntity = new HttpEntity<Object>(requestHeaders);

    ResponseEntity<byte[]> entity = this.restTemplate.exchange("/", HttpMethod.GET, requestEntity,
            byte[].class);

    assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);

    GZIPInputStream inflater = new GZIPInputStream(new ByteArrayInputStream(entity.getBody()));
    try {/*from w  ww .  j  a v a2 s . c  o  m*/
        //         assertThat(StreamUtils.copyToString(inflater, Charset.forName("UTF-8"))).isEqualTo("Hello World");
    } finally {
        inflater.close();
    }
}

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From source file:uk.ac.ebi.eva.pipeline.io.readers.AnnotationFlatFileReaderTest.java

@Test
public void shouldReadAllLinesInVepOutput() throws Exception {
    ExecutionContext executionContext = MetaDataInstanceFactory.createStepExecution().getExecutionContext();

    //simulate VEP output file
    File file = JobTestUtils.makeGzipFile(VepOutputContent.vepOutputContent);

    AnnotationFlatFileReader annotationFlatFileReader = new AnnotationFlatFileReader(file);
    annotationFlatFileReader.setSaveState(false);
    annotationFlatFileReader.open(executionContext);

    VariantAnnotation variantAnnotation;
    int consequenceTypeCount = 0;
    int count = 0;
    while ((variantAnnotation = annotationFlatFileReader.read()) != null) {
        count++;//from  w  w  w .ja  va2s  . c  om
        if (variantAnnotation.getConsequenceTypes() != null
                && !variantAnnotation.getConsequenceTypes().isEmpty()) {
            consequenceTypeCount++;
        }
    }
    // all should have at least consequence type annotations
    assertEquals(count, consequenceTypeCount);

    // annotationFlatFileReader should get all the lines from the file
    long actualCount = JobTestUtils.getLines(new GZIPInputStream(new FileInputStream(file)));
    assertEquals(actualCount, count);
}

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From source file:com.yoncabt.ebr.logger.fs.FileSystemReportLogger.java

@Override
public byte[] getReportData(String uuid) throws IOException {
    //burada sktrma zellii akken kpatlm olabilir diye kontrol yapyorum
    File saveDir = new File(EBRConf.INSTANCE.getValue(EBRParams.REPORT_LOGGER_FSLOGGER_PATH, "/tmp"));
    File reportFile = new File(saveDir, uuid + ".gz");
    if (reportFile.exists()) {
        try (FileInputStream fis = new FileInputStream(reportFile);
                GZIPInputStream gzis = new GZIPInputStream(fis);) {
            return IOUtils.toByteArray(gzis);
        }//w w  w  .  j a  v  a  2  s  .c  o m
    } else {
        reportFile = new File(saveDir, uuid);
        try (FileInputStream fis = new FileInputStream(reportFile)) {
            return IOUtils.toByteArray(fis);
        }
    }
}

---

From source file:it.unifi.rcl.chess.traceanalysis.Trace.java

public Trace(File file) {
    this();/* w ww .j a  va 2  s. co m*/
    name = file.getAbsolutePath();

    try {
        InputStream is = new FileInputStream(file);
        // check if the file is compressed with gzip
        boolean isZipped = Trace.checkGZIP(is);
        is.close();

        is = new FileInputStream(file);
        if (isZipped) {
            is = new GZIPInputStream(is);
        }

        loadFromStream(is);

        is.close();
    } catch (IOException e) {
        System.out.println(e);
    }
}

---

From source file:ezbake.deployer.utilities.Utilities.java

public static void appendFilesInTarArchive(OutputStream output, byte[] currentArchive,
        Iterable<ArtifactDataEntry> filesToAdd) throws DeploymentException {
    ArchiveStreamFactory asf = new ArchiveStreamFactory();

    try (GZIPOutputStream gzs = new GZIPOutputStream(output)) {
        try (ArchiveOutputStream aos = asf.createArchiveOutputStream(ArchiveStreamFactory.TAR, gzs)) {
            try (GZIPInputStream gzip = new GZIPInputStream(new ByteArrayInputStream(currentArchive))) {
                try (TarArchiveInputStream tarInputStream = new TarArchiveInputStream(gzip)) {
                    TarArchiveEntry tarEntry = null;

                    while ((tarEntry = tarInputStream.getNextTarEntry()) != null) {
                        aos.putArchiveEntry(tarEntry);
                        IOUtils.copy(tarInputStream, aos);
                        aos.closeArchiveEntry();
                    }//from w  w  w.  ja  va  2 s  .c om
                }
            }

            for (ArtifactDataEntry entry : filesToAdd) {
                aos.putArchiveEntry(entry.getEntry());
                IOUtils.write(entry.getData(), aos);
                aos.closeArchiveEntry();
            }
        }
    } catch (ArchiveException e) {
        log.error(e.getMessage(), e);
        throw new DeploymentException(e.getMessage());
    } catch (IOException e) {
        log.error(e.getMessage(), e);
        throw new DeploymentException(e.getMessage());
    }
}

---

From source file:com.avinashbehera.sabera.network.HttpClient.java

public static JSONObject SendHttpPostUsingHttpClient(String URL, JSONObject jsonObjSend) {

    try {//from   ww w  .j av a  2s.co  m
        HttpParams httpParameters = new BasicHttpParams();
        int timeoutConnection = 60 * 1000;
        HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
        int timeoutSocket = 60 * 1000;
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

        DefaultHttpClient httpclient = new DefaultHttpClient(httpParameters);
        HttpPost httpPostRequest = new HttpPost(URL);

        StringEntity se;
        se = new StringEntity(jsonObjSend.toString());

        // Set HTTP parameters
        httpPostRequest.setEntity(se);
        //httpPostRequest.setHeader("Accept", "application/json");
        httpPostRequest.setHeader("Content-type", "application/json");
        //httpPostRequest.setHeader("Accept-Encoding", "gzip"); // only set this parameter if you would like to use gzip compression

        long t = System.currentTimeMillis();
        Log.d(TAG, "httpPostReuest = " + httpPostRequest.toString());
        HttpResponse response = (HttpResponse) httpclient.execute(httpPostRequest);
        Log.i(TAG, "HTTPResponse received in [" + (System.currentTimeMillis() - t) + "ms]");

        // Get hold of the response entity (-> the data):
        HttpEntity entity = response.getEntity();

        if (entity != null) {
            // Read the content stream
            InputStream instream = entity.getContent();
            Header contentEncoding = response.getFirstHeader("Content-Encoding");
            if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
                instream = new GZIPInputStream(instream);
            }

            // convert content stream to a String
            String resultString = convertStreamToString(instream);
            instream.close();
            resultString = resultString.substring(1, resultString.length() - 1); // remove wrapping "[" and "]"

            // Transform the String into a JSONObject
            JSONParser parser = new JSONParser();
            JSONObject jsonObjRecv = (JSONObject) parser.parse(resultString);
            // Raw DEBUG output of our received JSON object:
            Log.i(TAG, "<JSONObject>\n" + jsonObjRecv.toString() + "\n</JSONObject>");

            return jsonObjRecv;
        }

    } catch (Exception e) {
        Log.d(TAG, "catch block");
        // More about HTTP exception handling in another tutorial.
        // For now we just print the stack trace.
        e.printStackTrace();
    }
    Log.d(TAG, "SendHttpPostUsingHttpClient returning null");
    return null;
}

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From source file:edu.stanford.muse.index.NER.java

public static void readLocationsFreebase() throws IOException {
    InputStream is = new GZIPInputStream(NER.class.getClassLoader().getResourceAsStream("locations.gz"));
    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(is, "UTF-8"));
    while (true) {
        String line = lnr.readLine();
        if (line == null)
            break;
        StringTokenizer st = new StringTokenizer(line, "\t");
        if (st.countTokens() == 3) {
            String locationName = st.nextToken();
            String canonicalName = locationName.toLowerCase();
            String lat = st.nextToken();
            String longi = st.nextToken();
            locations.put(canonicalName, new LocationInfo(locationName, lat, longi));
        }/*from w ww  .j a  va2  s  . co  m*/
    }
    lnr.close();
}

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From source file:net.solarnetwork.util.test.JavaBeanXmlSerializerTest.java

@Test
public void testParseSimpleEncoded() throws IOException {
    JavaBeanXmlSerializer helper = new JavaBeanXmlSerializer();
    InputStream in = new GZIPInputStream(new Base64InputStream(getClass().getResourceAsStream("test1.b64")));
    Map<String, Object> result = helper.parseXml(in);
    assertNotNull(result);//w  ww . j  a  v  a  2  s .  co m
    assertEquals(4, result.size());
    assertEquals("23466f06", result.get("confirmationKey"));
    assertEquals("2011-09-16T05:07:32.579Z", result.get("expiration"));
    assertEquals("123123", result.get("nodeId"));
    assertEquals("foo@localhost", result.get("username"));
}

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From source file:edu.illinois.cs.cogcomp.core.datastructures.Lexicon.java

public Lexicon(InputStream in, boolean loadStrings) throws IOException {
    GZIPInputStream zipin = new GZIPInputStream(in);

    BufferedReader reader = new BufferedReader(new InputStreamReader(zipin));

    String line;//from w  w  w .  j a  va2  s  .c om

    long start = System.currentTimeMillis();
    line = reader.readLine().trim();

    if (!line.equals(lexManagerVersion))
        throw new IOException("Invalid file. Looking for a lexicon " + "written by lexicon manger version "
                + lexManagerVersion);

    nextFeatureId = readInt(reader);

    int n = readInt(reader);

    feature2Id = new TIntIntHashMap(n + 1);

    for (int i = 0; i < n; i++) {
        int featureHash = readInt(reader);
        int featureId = readInt(reader);

        feature2Id.put(featureHash, featureId);

    }

    log.info("Found {} features", feature2Id.size());

    if (loadStrings) {
        featureNames = new ArrayList<>();
        int nStrings = readInt(reader);
        for (int i = 0; i < nStrings; i++) {
            featureNames.add(reader.readLine().trim());
        }
    } else {
        featureNames = null;
    }

    reader.close();

    long end = System.currentTimeMillis();

    log.info("Loading lexicon took {} ms", (end - start));

    featureCounts = new TIntIntHashMap();
}

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