Example usage for java.util.zip Inflater Inflater

Introduction

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

Prototype

public Inflater(boolean nowrap) 

Source Link

Document

Creates a new decompressor.

Usage

From source file:org.apache.tez.common.TezCommonUtils.java

@Private
public static Inflater newInflater() {
    return new Inflater(NO_WRAP);
}

---

From source file:fr.mby.saml2.sp.impl.helper.SamlHelper.java

/**
 * Decode a SAML2 anthentication request for the HTTP-redirect binding.
 * /* ww  w. ja va  2 s  . c  om*/
 * @param authnRequest
 *            the authn request
 * @return the encoded request
 * @throws IOException
 */
public static String httpRedirectDecode(final String encodedRequest) throws IOException {
    String inflatedRequest = null;

    ByteArrayInputStream bytesIn = null;
    InflaterInputStream inflater = null;

    final byte[] decodedBytes = Base64.decode(encodedRequest);

    try {
        bytesIn = new ByteArrayInputStream(decodedBytes);
        inflater = new InflaterInputStream(bytesIn, new Inflater(true));
        final Writer writer = new StringWriter();
        final char[] buffer = new char[1024];

        final Reader reader = new BufferedReader(new InputStreamReader(inflater, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }

        inflatedRequest = writer.toString();
    } finally {
        if (bytesIn != null) {
            bytesIn.close();
        }
        if (inflater != null) {
            inflater.close();
        }
    }

    return inflatedRequest;
}

---

From source file:guru.benson.pinch.Pinch.java

/**
 * Download and inflate file from a ZIP stored on a HTTP server.
 *
 * @param entry//from  ww  w  .j a  va  2s  .c  o m
 *     Entry representing file to download.
 * @param name
 *     Path where to store the downloaded file.
 * @param listener
 *
 * @throws IOException
 *     If an error occurred while reading from network or writing to disk.
 * @throws InterruptedException
 *     If the thread was interrupted.
 */
public void downloadFile(ExtendedZipEntry entry, String dir, String name, ProgressListener listener)
        throws IOException, InterruptedException {
    HttpURLConnection conn = null;
    InputStream is = null;
    FileOutputStream fos = null;

    try {
        File outFile = new File(dir != null ? dir + File.separator + name : name);

        if (!outFile.exists()) {
            if (outFile.getParentFile() != null) {
                outFile.getParentFile().mkdirs();
            }
        }

        // no need to download 0 byte size directories
        if (entry.isDirectory()) {
            return;
        }

        fos = new FileOutputStream(outFile);

        byte[] buf = new byte[2048];
        int read, bytes = 0;

        conn = getEntryInputStream(entry);

        // this is a stored (non-deflated) file, read it raw without inflating it
        if (entry.getMethod() == ZipEntry.STORED) {
            is = new BufferedInputStream(conn.getInputStream());
        } else {
            is = new InflaterInputStream(conn.getInputStream(), new Inflater(true));
        }

        long totalSize = entry.getSize();
        while ((read = is.read(buf)) != -1) {
            if (Thread.currentThread().isInterrupted()) {
                throw new InterruptedException("Download was interrupted");
            }
            // Ignore any extra data
            if (totalSize < read + bytes) {
                read = ((int) totalSize) - bytes;
            }

            fos.write(buf, 0, read);
            bytes += read;
            if (listener != null) {
                listener.onProgress(bytes, read, totalSize);
            }
        }

        log("Wrote " + bytes + " bytes to " + name);
    } finally {
        close(fos);
        close(is);
        disconnect(conn);
    }
}

---

From source file:org.wso2.carbon.identity.sso.saml.util.SAMLSSOUtil.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from  www.  ja v  a2  s  .c o  m
 * @return decoded AuthReq
 */
public static String decode(String encodedStr) throws IdentityException {
    try {
        org.apache.commons.codec.binary.Base64 base64Decoder = new org.apache.commons.codec.binary.Base64();
        byte[] xmlBytes = encodedStr.getBytes("UTF-8");
        byte[] base64DecodedByteArray = base64Decoder.decode(xmlBytes);

        try {
            Inflater inflater = new Inflater(true);
            inflater.setInput(base64DecodedByteArray);
            byte[] xmlMessageBytes = new byte[5000];
            int resultLength = inflater.inflate(xmlMessageBytes);

            if (inflater.getRemaining() > 0) {
                throw new RuntimeException("didn't allocate enough space to hold " + "decompressed data");
            }

            inflater.end();
            String decodedString = new String(xmlMessageBytes, 0, resultLength, "UTF-8");
            if (log.isDebugEnabled()) {
                log.debug("Request message " + decodedString);
            }
            return decodedString;

        } catch (DataFormatException e) {
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(base64DecodedByteArray);
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            InflaterInputStream iis = new InflaterInputStream(byteArrayInputStream);
            byte[] buf = new byte[1024];
            int count = iis.read(buf);
            while (count != -1) {
                byteArrayOutputStream.write(buf, 0, count);
                count = iis.read(buf);
            }
            iis.close();
            String decodedStr = new String(byteArrayOutputStream.toByteArray(), StandardCharsets.UTF_8);
            if (log.isDebugEnabled()) {
                log.debug("Request message " + decodedStr, e);
            }
            return decodedStr;
        }
    } catch (IOException e) {
        throw new IdentityException("Error when decoding the SAML Request.", e);
    }

}

---

From source file:org.wso2.identity.integration.test.requestPathAuthenticator.SAMLWithRequestPathAuthenticationTest.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from  w  w  w. j a v a 2 s . c  o m
 * @return decoded AuthReq
 */
private static String decode(String encodedStr) {
    try {
        Base64 base64Decoder = new Base64();
        byte[] xmlBytes = encodedStr.getBytes(DEFAULT_CHARSET);
        byte[] base64DecodedByteArray = base64Decoder.decode(xmlBytes);

        try {
            Inflater inflater = new Inflater(true);
            inflater.setInput(base64DecodedByteArray);
            byte[] xmlMessageBytes = new byte[5000];
            int resultLength = inflater.inflate(xmlMessageBytes);

            if (!inflater.finished()) {
                throw new RuntimeException("End of the compressed data stream has NOT been reached");
            }

            inflater.end();
            return new String(xmlMessageBytes, 0, resultLength, (DEFAULT_CHARSET));

        } catch (DataFormatException e) {
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(base64DecodedByteArray);
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            InflaterInputStream iis = new InflaterInputStream(byteArrayInputStream);
            byte[] buf = new byte[1024];
            int count = iis.read(buf);
            while (count != -1) {
                byteArrayOutputStream.write(buf, 0, count);
                count = iis.read(buf);
            }
            iis.close();

            return new String(byteArrayOutputStream.toByteArray(), StandardCharsets.UTF_8);
        }
    } catch (IOException e) {
        Assert.fail("Error while decoding SAML response", e);
        return "";
    }
}

---

From source file:org.asimba.wa.integrationtest.saml2.model.AuthnRequest.java

/**
 * Parse an incoming AuthnRequest message from HTTP Redirect bound request;<br/> 
 * also takes care of base64-decoding and deflating the message
 * @param authnRequestString//w  w  w.j  av  a2 s .  c o m
 * @throws IOException 
 */
public static AuthnRequest loadAuthnRequest(String authnRequestString) throws IOException {
    // Decode incoming request
    _logger.debug("B64-encoded string: {}", authnRequestString);
    byte[] decoded = Base64.decodeBase64(authnRequestString);

    // Now inflate it:
    ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
    Inflater inflater = new Inflater(true); // require specific Inflater because header is omitted
    InflaterInputStream inflaterInputStream = new InflaterInputStream(bais, inflater);

    DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
    builderFactory.setNamespaceAware(true);

    DocumentBuilder documentBuilder;
    Document document = null;
    try {
        documentBuilder = builderFactory.newDocumentBuilder();
        document = documentBuilder.parse(inflaterInputStream);

        if (_logger.isDebugEnabled()) {
            String s = docToString(document);
            _logger.debug("Incoming AuthnRequest:\n{}", s);
        }

        AuthnRequest authnRequestResult = new AuthnRequest(null, null);
        authnRequestResult._authnRequestDocument = document;

        return authnRequestResult;

    } catch (ParserConfigurationException | SAXException | IOException e) {
        _logger.error("Could not get AuthnRequest document from parameter: {}", e.getMessage(), e);
        return null;
    }
}

---

From source file:org.wso2.carbon.appfactory.apiManager.integration.utils.Utils.java

public static String decode(String encodedStr) throws AppFactoryException {
    try {//from  w ww .  j a  v  a 2  s .c  om
        org.apache.commons.codec.binary.Base64 base64Decoder = new org.apache.commons.codec.binary.Base64();
        byte[] xmlBytes = encodedStr.getBytes("UTF-8");
        byte[] base64DecodedByteArray = base64Decoder.decode(xmlBytes);

        try {
            Inflater inflater = new Inflater(true);
            inflater.setInput(base64DecodedByteArray);
            byte[] xmlMessageBytes = new byte[5000];
            int resultLength = inflater.inflate(xmlMessageBytes);

            if (!inflater.finished()) {
                throw new RuntimeException("didn't allocate enough space to hold " + "decompressed data");
            }

            inflater.end();
            return new String(xmlMessageBytes, 0, resultLength, "UTF-8");

        } catch (DataFormatException e) {
            ByteArrayInputStream bais = new ByteArrayInputStream(base64DecodedByteArray);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            InflaterInputStream iis = new InflaterInputStream(bais);
            byte[] buf = new byte[1024];
            int count = iis.read(buf);
            while (count != -1) {
                baos.write(buf, 0, count);
                count = iis.read(buf);
            }
            iis.close();

            return new String(baos.toByteArray());
        }
    } catch (IOException e) {
        throw new AppFactoryException("Error when decoding the SAML Request.", e);
    }

}

---

From source file:org.parosproxy.paros.core.proxy.ProxyThread.java

private FilterInputStream buildStreamDecoder(String encoding, ByteArrayInputStream bais) throws IOException {
    if (encoding.equalsIgnoreCase(HttpHeader.DEFLATE)) {
        return new InflaterInputStream(bais, new Inflater(true));
    } else {/*from w  w  w  . j  a v  a  2 s  . c  om*/
        return new GZIPInputStream(bais);
    }
}

---

From source file:org.adeptnet.auth.saml.SAMLClient.java

private byte[] inflate(final byte[] content) throws java.io.IOException {
    try (final java.io.InputStream is = new java.io.ByteArrayInputStream(content);
            final java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream(content.length * 2);
            final InflaterInputStream iis = new InflaterInputStream(is, new Inflater(true))) {
        final byte[] buffer = new byte[4096];
        int n = 0;
        while (-1 != (n = iis.read(buffer))) {
            baos.write(buffer, 0, n);/*from   ww  w . j a  va 2s . c  o m*/
        }
        baos.flush();
        return baos.toByteArray();
    }
}

---

From source file:com.tremolosecurity.idp.providers.Saml2Idp.java

private String inflate(String saml) throws Exception {
    byte[] compressedData = Base64.decodeBase64(saml);
    ByteArrayInputStream bin = new ByteArrayInputStream(compressedData);

    InflaterInputStream decompressor = new InflaterInputStream(bin, new Inflater(true));
    //decompressor.setInput(compressedData);

    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length);

    // Decompress the data
    byte[] buf = new byte[1024];
    int len;//  w w  w.  j  a  v  a 2  s.com
    while ((len = decompressor.read(buf)) > 0) {

        bos.write(buf, 0, len);

    }
    try {
        bos.close();
    } catch (IOException e) {
    }

    // Get the decompressed data
    byte[] decompressedData = bos.toByteArray();

    String decoded = new String(decompressedData);

    return decoded;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• »