Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

List of usage examples for java.util.zip GZIPOutputStream GZIPOutputStream

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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.zotoh.core.io.StreamUte.java

/**
 * @param bits/*from w  ww.ja v  a  2s.c om*/
 * @return
 * @throws IOException
 */
public static byte[] gzip(byte[] bits) throws IOException {

    ByteOStream baos = new ByteOStream();
    GZIPOutputStream g = new GZIPOutputStream(baos);

    if (bits != null && bits.length > 0) {
        g.write(bits, 0, bits.length);
        g.close();
    }

    return baos.asBytes();
}

From source file:com.ning.metrics.collector.processing.db.DatabaseFeedStorage.java

@Override
public void addOrUpdateFeed(final String key, final Feed feed) {
    dbi.withHandle(new HandleCallback<Void>() {

        @Override//from ww w.j a va  2 s . co m
        public Void withHandle(Handle handle) throws Exception {
            final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            final GZIPOutputStream zipStream = new GZIPOutputStream(outputStream);
            mapper.writeValue(zipStream, feed);
            zipStream.finish();

            handle.createStatement(
                    "INSERT INTO feeds (feed_key, feed) VALUES (:key, :feed) ON DUPLICATE KEY UPDATE feed = :feed")
                    .bind("key", key).bind("feed", outputStream.toByteArray()).execute();

            return null;
        }
    });
}

From source file:io.scigraph.services.jersey.dynamic.SwaggerFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    // Capture the output of the filter chain
    ByteArrayResponseWrapper wrappedResp = new ByteArrayResponseWrapper((HttpServletResponse) response);
    chain.doFilter(request, wrappedResp);
    if (isGzip(request)) {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                GZIPInputStream gis = new GZIPInputStream(is);
                ByteArrayOutputStream bs = new ByteArrayOutputStream();
                GZIPOutputStream gzos = new GZIPOutputStream(bs)) {
            byte[] newApi = writeDynamicResource(gis);
            gzos.write(newApi);/* w  w w .  j  a v  a 2 s  .  c o m*/
            gzos.close();
            byte[] output = bs.toByteArray();
            response.setContentLength(output.length);
            response.getOutputStream().write(output);
        }
    } else {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                ByteArrayOutputStream bs = new ByteArrayOutputStream()) {
            byte[] newApi = writeDynamicResource(is);
            response.setContentLength(newApi.length);
            response.getOutputStream().write(newApi);
        }

    }
}

From source file:io.druid.storage.s3.S3DataSegmentPullerTest.java

@Test
public void testGZUncompress() throws S3ServiceException, IOException, SegmentLoadingException {
    final String bucket = "bucket";
    final String keyPrefix = "prefix/dir/0";
    final RestS3Service s3Client = EasyMock.createStrictMock(RestS3Service.class);
    final byte[] value = bucket.getBytes("utf8");

    final File tmpFile = Files.createTempFile("gzTest", ".gz").toFile();
    tmpFile.deleteOnExit();// ww w  .  ja v a  2s.  c om
    try (OutputStream outputStream = new GZIPOutputStream(new FileOutputStream(tmpFile))) {
        outputStream.write(value);
    }

    S3Object object0 = new S3Object();

    object0.setBucketName(bucket);
    object0.setKey(keyPrefix + "/renames-0.gz");
    object0.setLastModifiedDate(new Date(0));
    object0.setDataInputStream(new FileInputStream(tmpFile));

    File tmpDir = Files.createTempDirectory("gzTestDir").toFile();

    try {
        EasyMock.expect(
                s3Client.getObjectDetails(EasyMock.<S3Bucket>anyObject(), EasyMock.eq(object0.getKey())))
                .andReturn(null).once();
        EasyMock.expect(s3Client.getObject(EasyMock.eq(bucket), EasyMock.eq(object0.getKey())))
                .andReturn(object0).once();
        S3DataSegmentPuller puller = new S3DataSegmentPuller(s3Client);

        EasyMock.replay(s3Client);
        FileUtils.FileCopyResult result = puller
                .getSegmentFiles(new S3DataSegmentPuller.S3Coords(bucket, object0.getKey()), tmpDir);
        EasyMock.verify(s3Client);

        Assert.assertEquals(value.length, result.size());
        File expected = new File(tmpDir, "renames-0");
        Assert.assertTrue(expected.exists());
        Assert.assertEquals(value.length, expected.length());
    } finally {
        org.apache.commons.io.FileUtils.deleteDirectory(tmpDir);
    }
}

From source file:byps.BWire.java

/**
 * Writes a ByteBuffer to an OutputStream.
 * Closes the OutputStream./*  w w w  . j a v  a 2  s. c o m*/
 * @param buf
 * @param os
 * @throws IOException
 */
public static void bufferToStream(ByteBuffer buf, boolean gzip, OutputStream os) throws IOException {
    if (gzip) {
        os = new GZIPOutputStream(os);
    }

    WritableByteChannel wch = null;
    try {
        wch = Channels.newChannel(os);
        wch.write(buf);
    } finally {
        if (wch != null)
            wch.close();
    }
}

From source file:edu.sdsc.scigraph.services.jersey.dynamic.SwaggerFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    boolean gzip = isGzip(request);

    // Capture the output of the filter chain
    ByteArrayResponseWrapper wrappedResp = new ByteArrayResponseWrapper((HttpServletResponse) response);
    chain.doFilter(request, wrappedResp);
    if (gzip) {/*from  w ww  .j ava  2 s .co  m*/
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                GZIPInputStream gis = new GZIPInputStream(is);
                ByteArrayOutputStream bs = new ByteArrayOutputStream();
                GZIPOutputStream gzos = new GZIPOutputStream(bs)) {
            byte[] newApi = writeDynamicResource(gis);
            gzos.write(newApi);
            gzos.close();
            byte[] output = bs.toByteArray();
            response.setContentLength(output.length);
            response.getOutputStream().write(output);
        }
    } else {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                ByteArrayOutputStream bs = new ByteArrayOutputStream()) {
            byte[] newApi = writeDynamicResource(is);
            response.setContentLength(newApi.length);
            response.getOutputStream().write(newApi);
        }

    }
}

From source file:com.shopzilla.hadoop.repl.commands.util.ClusterStateManager.java

public static void compressFiles(Collection<File> files, File output) throws IOException {
    // Create the output stream for the output file
    FileOutputStream fos = new FileOutputStream(output);
    // Wrap the output file stream in streams that will tar and gzip everything
    TarArchiveOutputStream taos = new TarArchiveOutputStream(
            new GZIPOutputStream(new BufferedOutputStream(fos)));
    // TAR has an 8 gig file limit by default, this gets around that
    taos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_STAR); // to get past the 8 gig limit
    // TAR originally didn't support long file names, so enable the support for it
    taos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);

    // Get to putting all the files in the compressed output file
    for (File f : files) {
        addFilesToCompression(taos, f, ".");
    }/*  w  w w . j a  v a2s  .  co m*/

    // Close everything up
    taos.close();
    fos.close();
}

From source file:com.eviware.soapui.impl.wsdl.support.CompressionSupport.java

private static byte[] GZIPCompress(byte[] requestContent) throws IOException {
    ByteArrayOutputStream compressedContent = new ByteArrayOutputStream();
    GZIPOutputStream gzipstream = new GZIPOutputStream(compressedContent);
    gzipstream.write(requestContent);/*from   w ww.j a  va 2  s  . co  m*/
    gzipstream.finish();

    // get the compressed content
    return compressedContent.toByteArray();
}

From source file:edu.emory.mathcs.nlp.util.IOUtilsTest.java

@Test
public void fileNonStdFileSystem() throws Exception {
    FileSystem fs = Jimfs.newFileSystem(Configuration.unix());
    Path testFile = fs.getPath("/foo.txt");
    try (Writer writer = Files.newBufferedWriter(testFile)) {
        writer.write(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS);
    }//from   w  ww  .  ja v a2  s . c  om

    try (InputStream is = IOUtils.createArtifactInputStream(testFile)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    String uri = testFile.toUri().toString();
    try (InputStream is = IOUtils.createArtifactInputStream(uri)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    Path testFilexz = fs.getPath("/foo.txt.xz");
    try (Writer writer = new OutputStreamWriter(
            new XZOutputStream(Files.newOutputStream(testFilexz), new LZMA2Options()), UTF_8)) {
        writer.write(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS);
    }

    try (InputStream is = IOUtils.createArtifactInputStream(testFilexz)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    uri = testFilexz.toUri().toString();
    try (InputStream is = IOUtils.createArtifactInputStream(uri)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    Path testFilegz = fs.getPath("/foo.txt.gz");
    try (Writer writer = new OutputStreamWriter(new GZIPOutputStream(Files.newOutputStream(testFilegz)),
            UTF_8)) {
        writer.write(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS);
    }

    try (InputStream is = IOUtils.createArtifactInputStream(testFilegz)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    uri = testFilegz.toUri().toString();
    try (InputStream is = IOUtils.createArtifactInputStream(uri)) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    // test plain old file system
    try (InputStream is = IOUtils.createArtifactInputStream("src/test/resources/a/test/some.txt")) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }

    // test classpath
    try (InputStream is = IOUtils.createArtifactInputStream("a/test/some.txt")) {
        String contents = org.apache.commons.io.IOUtils.toString(is, "utf-8");
        assertEquals(THIS_IS_THE_CEREAL_SHOT_FROM_GUNS, contents);
    }
}

From source file:uk.ac.ebi.eva.test.utils.JobTestUtils.java

public static void makeGzipFile(String content, String file) throws IOException {
    try (FileOutputStream output = new FileOutputStream(file)) {
        try (Writer writer = new OutputStreamWriter(new GZIPOutputStream(output), "UTF-8")) {
            writer.write(content);//from  w ww . jav a2 s  .co m
        }
    }
}