Example usage for java.util.zip GZIPInputStream GZIPInputStream

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

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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.lee.sdk.utils.NetUtils.java

/**
 * ?server?Content-Encoding?inputstream.content-encodinggzipGzipInputStream
 * ?inputStream/*from ww w . ja  v  a  2  s.  c  om*/
 * 
 * @param resEntity {@link HttpEntity}
 * @return InputStream or null
 * @throws IOException {@link IOException}
 */
public static InputStream getSuitableInputStream(HttpEntity resEntity) throws IOException {
    if (resEntity == null) {
        return null;
    }
    InputStream inputStream = resEntity.getContent();
    if (inputStream != null) {
        Header header = resEntity.getContentEncoding();
        if (header != null) {
            String contentEncoding = header.getValue();
            if (!TextUtils.isEmpty(contentEncoding) && contentEncoding.toLowerCase().indexOf("gzip") > -1) {
                inputStream = new GZIPInputStream(inputStream);
            }
        }
    }
    return inputStream;
}

From source file:hudson.model.UsageStatisticsTest.java

/**
 * Makes sure that the stat data can be decrypted safely.
 *//*from ww  w . j  a  v  a  2s. c  o  m*/
public void testRoundtrip() throws Exception {
    // key pair for testing
    String privateKey = "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";
    String publicKey = "30819f300d06092a864886f70d010101050003818d003081890281810084cababdb38040f659c2cb07a36d758f46e84ebc3d6ba39d967aedf1d396b0788ed3ab868d45ce280b1102b434c2a250ddc3254defe1785ab4f94d7038cf69ecca16753d2de3f6ad8976b3f74902d8634111d730982da74e1a6e3fc0bc3523bba53e45b8a8cbfd0321b94efc9f7fefbe66ad85281e3d0323d87f4426ec51204f0203010001";

    String data = new UsageStatistics(publicKey).getStatData();
    System.out.println(data);

    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    PrivateKey priv = keyFactory.generatePrivate(new PKCS8EncodedKeySpec(Util.fromHexString(privateKey)));

    Cipher cipher = Cipher.getInstance("RSA");
    cipher.init(Cipher.DECRYPT_MODE, priv);

    byte[] cipherText = Base64.decode(data.toCharArray());
    InputStreamReader r = new InputStreamReader(
            new GZIPInputStream(
                    new CombinedCipherInputStream(new ByteArrayInputStream(cipherText), cipher, "AES", 1024)),
            "UTF-8");
    JSONObject o = JSONObject.fromObject(IOUtils.toString(r));
    System.out.println(o);
    assertEquals(1, o.getInt("stat"));
}

From source file:hr.fer.zemris.vhdllab.platform.remoting.HttpClientRequestExecutor.java

@Override
protected InputStream decorateInputStream(InputStream is) throws IOException {
    return new GZIPInputStream(is);
}

From source file:di.uniba.it.tee2.wiki.WikipediaDumpIterator.java

public WikipediaDumpIterator(File xmlFile, String encoding)
        throws XMLStreamException, FileNotFoundException, CompressorException, IOException {
    MediaWikiParserFactory parserFactory = new MediaWikiParserFactory(WikiConstants.Language.english);
    parserFactory.setTemplateParserClass(FlushTemplates.class);
    parserFactory.setShowImageText(false);
    parserFactory.setShowMathTagContent(false);
    parser = parserFactory.createParser();
    XMLInputFactory inputFactory = XMLInputFactory.newInstance();
    if (xmlFile.getName().endsWith(".bz2")) {
        logger.log(Level.INFO, "Trying to open Wikipedia compress dump (bzip2)...");
        BZip2CompressorInputStream compressIS = new BZip2CompressorInputStream(
                new BufferedInputStream(new FileInputStream(xmlFile)));
        xmlStreamReader = inputFactory.createXMLStreamReader(compressIS, encoding);
    } else if (xmlFile.getName().endsWith(".gz")) {
        logger.log(Level.INFO, "Trying to open Wikipedia compress dump (gzip)...");
        GZIPInputStream compressIS = new GZIPInputStream(new BufferedInputStream(new FileInputStream(xmlFile)));
        xmlStreamReader = inputFactory.createXMLStreamReader(compressIS, encoding);
    } else {/*from  w w  w. ja v  a  2  s  .  c  o  m*/
        logger.log(Level.INFO, "Trying to open Wikipedia plain text dump...");
        xmlStreamReader = inputFactory
                .createXMLStreamReader(new BufferedInputStream(new FileInputStream(xmlFile)), encoding);
    }
}

From source file:com.mingsoft.util.proxy.Result.java

/**
 * ?gzip?//from  w ww.j a  v a 2  s.  c  o m
 * 
 * @param charSet
 *            ?
 * @return InputStreamReade;
 */
public String getContentForGzip(String charset) {
    if (httpEntity.getContentEncoding().getValue().indexOf("gzip") > -1) {
        try {
            GZIPInputStream gzipis = new GZIPInputStream(httpEntity.getContent());

            InputStreamReader isr = new InputStreamReader(gzipis, charset); // ?????
            java.io.BufferedReader br = new java.io.BufferedReader(isr);
            String tempbf;
            StringBuffer sb = new StringBuffer();
            while ((tempbf = br.readLine()) != null) {
                sb.append(tempbf);
                sb.append("\r\n");
            }
            gzipis.close();
            isr.close();
            return sb.toString();
        } catch (IllegalStateException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return null;
}

From source file:com.codemarvels.ant.aptrepotask.AptRepoTask.java

public void execute() {
    if (repoDir == null) {
        log("repoDir attribute is empty !", LogLevel.ERR.getLevel());
        throw new RuntimeException("Bad attributes for apt-repo task");
    }/*  ww  w . jav a  2 s  .c  om*/
    log("repo dir: " + repoDir);
    File repoFolder = new File(repoDir);
    if (!repoFolder.exists()) {
        repoFolder.mkdirs();
    }
    File[] files = repoFolder.listFiles(new FileFilter() {
        public boolean accept(File pathname) {
            if (pathname.getName().endsWith(FILE_DEB_EXT)) {
                return true;
            }
            return false;
        }
    });
    Packages packages = new Packages();
    for (int i = 0; i < files.length; i++) {
        File file = files[i];
        PackageEntry packageEntry = new PackageEntry();
        packageEntry.setSize(file.length());
        packageEntry.setSha1(Utils.getDigest("SHA-1", file));
        packageEntry.setSha256(Utils.getDigest("SHA-256", file));
        packageEntry.setMd5sum(Utils.getDigest("MD5", file));
        String fileName = file.getName();
        packageEntry.setFilename(fileName);
        log("found deb: " + fileName);
        try {
            ArchiveInputStream control_tgz;
            ArArchiveEntry entry;
            TarArchiveEntry control_entry;
            ArchiveInputStream debStream = new ArchiveStreamFactory().createArchiveInputStream("ar",
                    new FileInputStream(file));
            while ((entry = (ArArchiveEntry) debStream.getNextEntry()) != null) {
                if (entry.getName().equals("control.tar.gz")) {
                    ControlHandler controlHandler = new ControlHandler();
                    GZIPInputStream gzipInputStream = new GZIPInputStream(debStream);
                    control_tgz = new ArchiveStreamFactory().createArchiveInputStream("tar", gzipInputStream);
                    while ((control_entry = (TarArchiveEntry) control_tgz.getNextEntry()) != null) {
                        log("control entry: " + control_entry.getName(), LogLevel.DEBUG.getLevel());
                        if (control_entry.getName().trim().equals(CONTROL_FILE_NAME)) {
                            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                            IOUtils.copy(control_tgz, outputStream);
                            String content_string = outputStream.toString("UTF-8");
                            outputStream.close();
                            controlHandler.setControlContent(content_string);
                            log("control cont: " + outputStream.toString("utf-8"), LogLevel.DEBUG.getLevel());
                            break;
                        }
                    }
                    control_tgz.close();
                    if (controlHandler.hasControlContent()) {
                        controlHandler.handle(packageEntry);
                    } else {
                        throw new RuntimeException("no control content found for: " + file.getName());
                    }
                    break;
                }
            }
            debStream.close();
            packages.addPackageEntry(packageEntry);
        } catch (Exception e) {
            String msg = FAILED_TO_CREATE_APT_REPO + " " + file.getName();
            log(msg, e, LogLevel.ERR.getLevel());
            throw new RuntimeException(msg, e);
        }
    }
    try {
        File packagesFile = new File(repoDir, PACKAGES_GZ);
        packagesWriter = new BufferedWriter(
                new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(packagesFile))));
        packagesWriter.write(packages.toString());
        DefaultHashes hashes = Utils.getDefaultDigests(packagesFile);
        ReleaseInfo pinfo = new ReleaseInfo(PACKAGES_GZ, packagesFile.length(), hashes);
        Release release = new Release();
        release.addInfo(pinfo);
        final File releaseFile = new File(repoDir, RELEASE);
        FileUtils.fileWrite(releaseFile, release.toString());
    } catch (IOException e) {
        throw new RuntimeException("writing files failed", e);
    } finally {
        if (packagesWriter != null) {
            try {
                packagesWriter.close();
            } catch (IOException e) {
                throw new RuntimeException("writing files failed", e);
            }
        }
    }
}

From source file:com.android.tradefed.util.TarUtil.java

/**
 * UnGZip a file: a tar.gz file will become a tar file.
 *
 * @param inputFile The {@link File} to ungzip
 * @param outputDir The directory where to put the ungzipped file.
 * @return a {@link File} pointing to the ungzipped file.
 * @throws FileNotFoundException/*  w ww  .j  ava2 s .co  m*/
 * @throws IOException
 */
public static File unGzip(final File inputFile, final File outputDir)
        throws FileNotFoundException, IOException {
    CLog.i(String.format("Ungzipping %s to dir %s.", inputFile.getAbsolutePath(), outputDir.getAbsolutePath()));
    // rename '-3' to remove the '.gz' extension.
    final File outputFile = new File(outputDir,
            inputFile.getName().substring(0, inputFile.getName().length() - 3));
    GZIPInputStream in = null;
    FileOutputStream out = null;
    try {
        in = new GZIPInputStream(new FileInputStream(inputFile));
        out = new FileOutputStream(outputFile);
        IOUtils.copy(in, out);
    } finally {
        StreamUtil.close(in);
        StreamUtil.close(out);
    }
    return outputFile;
}

From source file:com.norconex.importer.parser.impl.xfdl.XFDLParser.java

private void parse(BufferedReader reader, Writer out, ImporterMetadata metadata)
        throws IOException, ParserConfigurationException, SAXException {
    reader.mark(MAGIC_BASE64.length);/* w ww. ja  v  a2 s  .  c o m*/
    char[] signature = new char[MAGIC_BASE64.length];
    int num = reader.read(signature);
    reader.reset();
    if (num == -1) {
        return;
    }

    //--- Create XML DOM ---
    DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document dom = null;
    if (Arrays.equals(signature, MAGIC_BASE64)) {
        // skip first line
        reader.readLine();

        // un-encode first
        byte[] compressedContent = Base64.decodeBase64(IOUtils.toString(reader));
        // deal with compression
        InputStream is = new GZIPInputStream(new ByteArrayInputStream(compressedContent));

        dom = docBuilder.parse(is);
        IOUtils.closeQuietly(is);
    } else {
        dom = docBuilder.parse(new InputSource(reader));
    }
    parseXML(dom, out, metadata);
}

From source file:es.ucm.fdi.util.archive.TarFormat.java

private InputStream getTarInputStream(File tarFile) throws IOException {
    boolean isTar = FileUtils.startMatches(new FileInputStream(tarFile), tarMagic, tarMagicOffset);
    boolean isGz = isTar ? false : FileUtils.startMatches(new FileInputStream(tarFile), gzMagic, 0);

    if (isTar) {/*from   w w w.j av a  2 s.  co  m*/
        return new FileInputStream(tarFile);
    } else if (isGz) {
        try (InputStream is = new GZIPInputStream(new FileInputStream(tarFile))) {
            isTar = FileUtils.startMatches(is, tarMagic, tarMagicOffset);
        }
        if (!isTar) {
            throw new IOException("Archive is Gz, but does not contain a Tar");
        }
        return new GZIPInputStream(new FileInputStream(tarFile));
    } else {
        throw new IOException("Archive is neither Tar nor Gz");
    }
}

From source file:nl.opengeogroep.filesetsync.client.SyncJobState.java

public static List<FileRecord> readCachedFileList(String name) throws IOException {
    try (GZIPInputStream gzIn = new GZIPInputStream(new FileInputStream(getFileListCacheFile(name)))) {
        return Protocol.decodeFilelist(gzIn);
    }/*w ww .j  a va2  s  . c  om*/
}