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.fanfou.app.opensource.http.support.GzipDecompressingEntity.java

@Override
InputStream getDecompressingInputStream(final InputStream wrapped) throws IOException {
    return new GZIPInputStream(wrapped);
}

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From source file:com.amazonaws.services.kinesis.model.transform.PutRecordsRequestMarshallerTest.java

@Test
public void test() throws Exception {
    PutRecordsRequest putRecordsRequest = new PutRecordsRequest();
    putRecordsRequest.setStreamName("stream name");
    List<PutRecordsRequestEntry> records = new ArrayList<PutRecordsRequestEntry>();
    for (int i = 0; i < 10; i++) {
        PutRecordsRequestEntry record = new PutRecordsRequestEntry();
        String randomStr = RandomStringUtils.random(8 * 1024);
        record.setData(ByteBuffer.wrap(randomStr.getBytes(StringUtils.UTF8)));
        record.setPartitionKey("partition key");
        records.add(record);// ww w  .  j a  v a  2  s  .c o m
    }
    putRecordsRequest.setRecords(records);
    PutRecordsRequestMarshaller marshaller = new PutRecordsRequestMarshaller();
    Request<PutRecordsRequest> request = marshaller.marshall(putRecordsRequest);

    assertEquals("content encoding", "gzip", request.getHeaders().get("Content-Encoding"));
    byte[] content = IOUtils.toByteArray(request.getContent());
    assertEquals("content length", request.getHeaders().get("Content-Length"), String.valueOf(content.length));
    GZIPInputStream gis = new GZIPInputStream(new ByteArrayInputStream(content));
    String str = IOUtils.toString(gis);
    assertTrue("content is compressed", content.length < str.length());
    Map<String, String> map = JsonUtils.jsonToMap(str);
    assertEquals("StreamName", "stream name", map.get("StreamName"));
}

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From source file:org.onebusaway.gtfs_realtime.nextbus.services.DownloaderService.java

public synchronized InputStream openUrl(String uri) throws IOException {

    stallIfNeeded();//from w  w  w  .  j a  va2s . c  o  m

    HttpUriRequest request = new HttpGet(uri);
    request.addHeader("Accept-Encoding", "gzip");
    HttpResponse response = _client.execute(request);
    HttpEntity entity = response.getEntity();

    noteDownload(entity);

    InputStream in = entity.getContent();
    Header contentEncoding = response.getFirstHeader("Content-Encoding");
    if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
        in = new GZIPInputStream(in);
    }
    return in;
}

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From source file:com.github.util.HttpHandler.java

private String executeRequest(HttpUriRequest request) {
    DefaultHttpClient client = new DefaultHttpClient();
    try {/* w  w w. j a v a 2 s . com*/
        HttpResponse execute = client.execute(request);
        Header firstHeader = execute.getFirstHeader("Content-Encoding");
        HttpEntity response = execute.getEntity();
        InputStream inputStream = response.getContent();
        if (firstHeader != null && firstHeader.getValue() != null
                && firstHeader.getValue().equalsIgnoreCase("gzip")) {
            inputStream = new GZIPInputStream(inputStream);
        }
        return streamToString(inputStream);
    } catch (IOException e) {
        return null;
    }
}

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From source file:edu.dfci.cccb.mev.dataset.domain.gzip.GzipTsvInput.java

@Override
public InputStream input() throws IOException {
    if (log.isDebugEnabled())
        log.debug(url);/*from ww w.  j a va2  s .  c  om*/

    GZIPInputStream zis = null;
    BufferedOutputStream dest = null;
    BufferedInputStream bis = null;
    File unzipped = new TemporaryFile();
    try {
        URLConnection urlc = url.openConnection();
        zis = new GZIPInputStream(urlc.getInputStream());

        int count;
        byte data[] = new byte[BUFFER];
        // write the files to the disk

        FileOutputStream fos = new FileOutputStream(unzipped);
        if (log.isDebugEnabled())
            log.debug("Unzipping SOFT file to " + unzipped.getAbsolutePath());

        dest = new BufferedOutputStream(fos, BUFFER);
        while ((count = zis.read(data, 0, BUFFER)) != -1) {
            dest.write(data, 0, count);
        }
        dest.flush();
        dest.close();
        return new FileInputStream(unzipped);

    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException ioe) {
            }
        }
        if (dest != null) {
            try {
                dest.close();
            } catch (IOException ioe) {
            }
        }
        if (zis != null) {
            try {
                zis.close();
            } catch (IOException ioe) {
            }
        }
    }

}

---

From source file:com.unilever.audit.services2.Sync_Up.java

/**
 * Retrieves representation of an instance of
 * com.unilever.audit.services2.SyncUpResource
 *
 * @return an instance of java.lang.String
 *///from w w w .j  a v  a2s . com
@POST
@Produces("application/json")
@Consumes("text/plain")
public String postSyncUP(byte[] jsonByte) throws IOException {
    //TODO return proper representation object
    JSONObject syncUPJsonObj;
    byte[] buffer;
    try {
        /**
         * ***************** Decompress JsonObject ***********************
         */
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        GZIPInputStream in;
        in = new GZIPInputStream(new ByteArrayInputStream(jsonByte));
        IOUtils.copy(in, out);
        buffer = out.toByteArray();
        syncUPJsonObj = new JSONObject(new String(buffer));

        /**
         * *********** Call Methods To Save Sync UP objects **************
         */
        persistVisit(syncUPJsonObj);

    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (JSONException ex) {
        ex.printStackTrace();
    }

    return null;
}

---

From source file:net.landora.animeinfo.mylistreader.ListReader.java

public boolean download(InputStream input) throws Throwable {
    TarInputStream is = null;/*  w  w  w . java 2 s  . c om*/
    try {
        is = new TarInputStream(new GZIPInputStream(input));

        TarEntry entry;
        while ((entry = is.getNextEntry()) != null) {
            if (!entry.getName().equalsIgnoreCase("mylist.xml")) {
                continue;
            }

            XMLStreamReader reader = XMLInputFactory.newFactory().createXMLStreamReader(is);
            reader.nextTag();
            reader.require(XMLStreamReader.START_ELEMENT, null, "my_anime_list");
            values = new HashMap<String, String>();
            StringBuilder value = new StringBuilder();

            while (reader.nextTag() != XMLStreamReader.END_ELEMENT) {
                reader.require(XMLStreamReader.START_ELEMENT, null, null);
                String tableName = reader.getLocalName();

                values.clear();

                while (reader.nextTag() != XMLStreamReader.END_ELEMENT) {
                    String valueName = reader.getLocalName();

                    value.setLength(0);
                    while (reader.next() != XMLStreamReader.END_ELEMENT) {
                        switch (reader.getEventType()) {
                        case XMLStreamReader.CDATA:
                        case XMLStreamReader.CHARACTERS:
                        case XMLStreamReader.SPACE:
                            value.append(reader.getText());
                        }
                    }
                    reader.require(XMLStreamReader.END_ELEMENT, null, valueName);
                    values.put(valueName, value.toString());

                }
                reader.require(XMLStreamReader.END_ELEMENT, null, tableName);

                handleTable(tableName);

            }
            reader.require(XMLStreamReader.END_ELEMENT, null, "my_anime_list");

            saveLast();
        }
        return true;
    } finally {
        if (is != null) {
            IOUtils.closeQuietly(is);
        } else if (input != null) {
            IOUtils.closeQuietly(input);
        }
    }
}

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From source file:edu.cornell.med.icb.geo.tools.GEOPlatform.java

/**
 * Read the platform information from a GEO platform file.
 *
 * @param filename/* w  ww  .ja  v a2  s  .  c  o m*/
 * @throws SyntaxErrorException
 * @throws IOException
 */
public void read(final String filename) throws SyntaxErrorException, IOException {
    if (filename == null) {
        return;
    }
    final GeoPlatformFileReader reader = new GeoPlatformFileReader();
    final Reader lowLevelReader;
    if (filename.endsWith(".gz")) {
        lowLevelReader = new InputStreamReader(new GZIPInputStream(new FileInputStream(filename)));
    } else {
        lowLevelReader = new FileReader(filename);
    }

    final Table platformFileContent = reader.read(lowLevelReader);
    final Table.RowIterator ri = platformFileContent.firstRow();

    int probeSetIdColumnIndex = -1;
    int genbankAcColumnIndex = -1;
    int genbankListColumnIndex = -1;
    int genbankColumnIndex = -1;
    final String probeIdColumnName = "ID";
    final String genbankAcColumnName = "GB_ACC";
    final String genbankListColumnName = "GB_LIST";

    try {
        probeSetIdColumnIndex = platformFileContent.getColumnIndex(probeIdColumnName);
    } catch (InvalidColumnException e) {
        assert false;
    }
    try {
        genbankAcColumnIndex = platformFileContent.getColumnIndex(genbankAcColumnName);
    } catch (InvalidColumnException e) { // NOPMD
        // OK, see below.
    }
    try {
        genbankListColumnIndex = platformFileContent.getColumnIndex(genbankListColumnName);
    } catch (InvalidColumnException e) { // NOPMD
        // OK, see below.
    }

    genbankColumnIndex = (genbankListColumnIndex != -1 ? genbankListColumnIndex : genbankAcColumnIndex);
    if (probeSetIdColumnIndex == -1 || genbankColumnIndex == -1) {
        throw new SyntaxErrorException(0,
                "One of the following column names could not be found in the platformFileContent description file: "
                        + probeIdColumnName + ", (at least one of : " + genbankAcColumnName + ", "
                        + genbankListColumnName + " ).");
    }

    int count = 0;

    while (!ri.end()) {
        try {
            final String probesetId = (String) platformFileContent.getValue(probeSetIdColumnIndex, ri);
            final String genbankAccession = (String) platformFileContent.getValue(genbankColumnIndex, ri);
            probesetId2GenbankList.put(probesetId, genbankAccession);
            count++;
        } catch (TypeMismatchException e) {
            throw new InternalError("Column type does not match" + e.getMessage());
        } catch (InvalidColumnException e) {
            throw new InternalError("Should never happen");

        }
        ri.next();
    }
    this.count = count;
}

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From source file:com.zimbra.cs.store.Blob.java

public InputStream getInputStream() throws IOException {
    InputStream in = new ZSharedFileInputStream(file);
    if (isCompressed()) {
        in = new GZIPInputStream(in);
    }/*from   w  w w.  j  a  v  a2  s  .c o m*/
    return in;
}

---

From source file:com.discogs.api.webservice.impl.GZipCapableGetMethod.java

/**
 * Overrides method in {@link GetMethod} to set the responseStream variable appropriately.
 *
 * If the response body was GZIP-compressed, responseStream will be set to a GZIPInputStream
 * wrapping the original InputStream used by the superclass.
 *
 */// www .j a  v a 2s  .c  o m
protected void readResponseBody(HttpState state, HttpConnection conn) throws IOException, HttpException {
    super.readResponseBody(state, conn);

    Header contentEncodingHeader = getResponseHeader("Content-Encoding");

    if (contentEncodingHeader != null && contentEncodingHeader.getValue().equalsIgnoreCase("gzip")) {
        setResponseStream(new GZIPInputStream(getResponseStream()));
    }
}

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