Example usage for java.util.zip InflaterInputStream InflaterInputStream

Introduction

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

Prototype

public InflaterInputStream(InputStream in, Inflater inf) 

Source Link

Document

Creates a new input stream with the specified decompressor and a default buffer size.

Usage

From source file:com.atlassian.extras.decoder.v2.Version2LicenseDecoder.java

private Reader unzipText(byte[] licenseText) {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    in.skip(LICENSE_PREFIX.length);/*from w ww.ja  v a2  s. co m*/
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new LicenseException(e);
    }
}

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From source file:org.apache.fop.render.ps.ImageEncoderPNG.java

/** {@inheritDoc} */
public void writeTo(OutputStream out) throws IOException {
    // TODO: refactor this code with equivalent PDF code
    InputStream in = ((ImageRawStream) image).createInputStream();
    try {//from  ww w . j  a  va 2s  .c o  m
        if (numberOfInterleavedComponents == 1 || numberOfInterleavedComponents == 3) {
            // means we have Gray, RGB, or Palette
            IOUtils.copy(in, out);
        } else {
            // means we have Gray + alpha or RGB + alpha
            int numBytes = numberOfInterleavedComponents - 1; // 1 for Gray, 3 for RGB
            int numColumns = image.getSize().getWidthPx();
            InflaterInputStream infStream = new InflaterInputStream(in, new Inflater());
            DataInputStream dataStream = new DataInputStream(infStream);
            int offset = 0;
            int bytesPerRow = numberOfInterleavedComponents * numColumns;
            int filter;
            // here we need to inflate the PNG pixel data, which includes alpha, separate the alpha
            // channel and then deflate the RGB channels back again
            // TODO: not using the baos below and using the original out instead (as happens in PDF)
            // would be preferable but that does not work with the rest of the postscript code; this
            // needs to be revisited
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DeflaterOutputStream dos = new DeflaterOutputStream(/* out */baos, new Deflater());
            while ((filter = dataStream.read()) != -1) {
                byte[] bytes = new byte[bytesPerRow];
                dataStream.readFully(bytes, 0, bytesPerRow);
                dos.write((byte) filter);
                for (int j = 0; j < numColumns; j++) {
                    dos.write(bytes, offset, numBytes);
                    offset += numberOfInterleavedComponents;
                }
                offset = 0;
            }
            dos.close();
            IOUtils.copy(new ByteArrayInputStream(baos.toByteArray()), out);
        }
    } finally {
        IOUtils.closeQuietly(in);
    }
}

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From source file:com.nesscomputing.tinyhttp.HttpContentResponseHandler.java

/**
 * Processes the client response.//from w  ww. j  a v a 2s. com
 */
public T handle(final HttpRequest request, final HttpResponse response) throws IOException {
    // Find the response stream - the error stream may be valid in cases
    // where the input stream is not.
    InputStream is = null;
    try {
        final HttpEntity httpEntity = response.getEntity();
        if (httpEntity != null) {
            is = httpEntity.getContent();
        }
    } catch (IOException e) {
        log.warn("Could not locate response body stream", e);
        // normal for 401, 403 and 404 responses, for example...
    }

    if (is == null) {
        // Fall back to zero length response.
        is = new NullInputStream(0);
    }

    final Header header = response.getFirstHeader("Content-Encoding");
    if (header != null) {
        final String encoding = StringUtils.trimToEmpty(header.getValue());

        if (StringUtils.equalsIgnoreCase(encoding, "gzip")
                || StringUtils.equalsIgnoreCase(encoding, "x-gzip")) {
            log.debug("Found GZIP stream");
            is = new GZIPInputStream(is);
        } else if (StringUtils.equalsIgnoreCase(encoding, "deflate")) {
            log.debug("Found deflate stream");
            final Inflater inflater = new Inflater(true);
            is = new InflaterInputStream(is, inflater);
        }
    }
    return contentConverter.convert(request, response, is);
}

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From source file:org.slc.sli.sandbox.idp.saml.SamlRequestDecoder.java

public SamlRequest decode(String encodedSamlRequest) {
    byte[] decodedCompressed = Base64.decodeBase64(encodedSamlRequest);
    Inflater inflater = new Inflater(true);
    InflaterInputStream xmlInputStream = new InflaterInputStream(new ByteArrayInputStream(decodedCompressed),
            inflater);//from   ww  w. ja  v a 2s  . com
    Document doc;

    try {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
        factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
        DocumentBuilder docBuilder = factory.newDocumentBuilder();

        doc = docBuilder.parse(xmlInputStream);
    } catch (ParserConfigurationException e) {
        throw new SamlProcessException(e);
    } catch (SAXException e) {
        throw new SamlProcessException(e);
    } catch (IOException e) {
        throw new SamlProcessException(e);
    }
    Element element = doc.getDocumentElement();
    String id = element.getAttribute("ID");
    boolean forceAuthn = Boolean.valueOf(element.getAttribute("ForceAuthn"));
    String simpleIDPDestination = element.getAttribute("Destination");
    NodeList nodes = element.getElementsByTagName("saml:Issuer");
    String issuer = null;
    if (nodes.getLength() > 0) {
        Node item = nodes.item(0);
        issuer = item.getFirstChild().getNodeValue();
    } else {
        throw new IllegalArgumentException("No Issuer element on AuthnRequest");
    }

    if (id == null) {
        throw new IllegalArgumentException("No ID attribute on AuthnRequest.");
    }
    String responseDestination = cot.get(issuer);
    if (responseDestination == null) {
        throw new IllegalArgumentException("Issuer of AuthnRequest is unknown.");
    }

    return new SamlRequest(responseDestination, simpleIDPDestination, id, forceAuthn);
}

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From source file:org.resthub.rpc.AMQPProxy.java

/**
 * Handles the object invocation.//from  www  .  j av a 2 s.c o m
 *
 * @param proxy  the proxy object to invoke
 * @param method the method to call
 * @param args   the arguments to the proxy object
 */
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    String methodName = method.getName();
    Class<?>[] params = method.getParameterTypes();

    // equals and hashCode are special cased
    if (methodName.equals("equals") && params.length == 1 && params[0].equals(Object.class)) {
        Object value = args[0];
        if (value == null || !Proxy.isProxyClass(value.getClass())) {
            return Boolean.FALSE;
        }

        AMQPProxy handler = (AMQPProxy) Proxy.getInvocationHandler(value);

        return _factory.equals(handler._factory);
    } else if (methodName.equals("hashCode") && params.length == 0) {
        return _factory.hashCode();
    } else if (methodName.equals("toString") && params.length == 0) {
        return "[HessianProxy " + proxy.getClass() + "]";
    }

    ConnectionFactory connectionFactory = _factory.getConnectionFactory();

    Message response = sendRequest(connectionFactory, method, args);

    if (response == null) {
        throw new TimeoutException();
    }

    MessageProperties props = response.getMessageProperties();
    boolean compressed = "deflate".equals(props.getContentEncoding());

    InputStream is = new ByteArrayInputStream(response.getBody());
    if (compressed) {
        is = new InflaterInputStream(is, new Inflater(true));
    }

    return _factory.getSerializationHandler().readObject(method.getReturnType(), is);
}

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From source file:com.vimukti.accounter.license.LicenseManager.java

private Reader unzipText(byte[] licenseText) {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {//w  ww  .  ja v  a2 s . co m
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new LicenseException(e);
    }

}

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From source file:Decoder.java

private Reader unzipText(byte[] licenseText) throws Exception {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    in.skip(LICENSE_PREFIX.length);//from  w  w  w . ja va 2s  .c  o  m
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new Exception(e);
    }
}

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From source file:cn.vko.hessian.core.VkoHessianProxy.java

@Override
protected InputStream getInputStream(HessianConnection conn) throws IOException {
    InputStream is = conn.getInputStream();
    byte[] content = IOUtils.toByteArray(is);
    is.close();// w  w w .  ja v a2 s . c om
    if (factory.isEncrypt()) {
        // 
        content = factory.getEncrypt().decrypt(content);
    }
    if ("lz4".equals(conn.getContentEncoding())) {
        content = Lz4Compress.uncompress(content);
        is = new ByteArrayInputStream(content);
    } else if ("deflate".equals(conn.getContentEncoding())) {
        is = new InflaterInputStream(new ByteArrayInputStream(content), new Inflater(true));
    }
    return is;
}

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From source file:org.resthub.rpc.AMQPHessianProxy.java

/**
 * Handles the object invocation.//  w ww .  j a v a  2 s .  c  o  m
 *
 * @param proxy  the proxy object to invoke
 * @param method the method to call
 * @param args   the arguments to the proxy object
 */
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    String methodName = method.getName();
    Class<?>[] params = method.getParameterTypes();

    // equals and hashCode are special cased
    if (methodName.equals("equals") && params.length == 1 && params[0].equals(Object.class)) {
        Object value = args[0];
        if (value == null || !Proxy.isProxyClass(value.getClass())) {
            return Boolean.FALSE;
        }

        AMQPHessianProxy handler = (AMQPHessianProxy) Proxy.getInvocationHandler(value);

        return _factory.equals(handler._factory);
    } else if (methodName.equals("hashCode") && params.length == 0) {
        return _factory.hashCode();
    } else if (methodName.equals("toString") && params.length == 0) {
        return "[HessianProxy " + proxy.getClass() + "]";
    }

    ConnectionFactory connectionFactory = _factory.getConnectionFactory();

    try {
        Message response = sendRequest(connectionFactory, method, args);

        if (response == null) {
            throw new TimeoutException();
        }

        MessageProperties props = response.getMessageProperties();
        boolean compressed = "deflate".equals(props.getContentEncoding());

        AbstractHessianInput in;

        InputStream is = new ByteArrayInputStream(response.getBody());
        if (compressed) {
            is = new InflaterInputStream(is, new Inflater(true));
        }

        int code = is.read();

        if (code == 'H') {
            int major = is.read();
            int minor = is.read();

            in = _factory.getHessian2Input(is);

            return in.readReply(method.getReturnType());
        } else if (code == 'r') {
            int major = is.read();
            int minor = is.read();

            in = _factory.getHessianInput(is);

            in.startReplyBody();

            Object value = in.readObject(method.getReturnType());

            in.completeReply();

            return value;
        } else {
            throw new HessianProtocolException("'" + (char) code + "' is an unknown code");
        }
    } catch (HessianProtocolException e) {
        throw new HessianRuntimeException(e);
    }
}

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From source file:Version2LicenseDecoder.java

private Reader unzipText(byte[] licenseText) {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    in.skip((long) LICENSE_PREFIX.length);
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());

    try {/*from   www.j a v  a 2 s.  c  om*/
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException var5) {
        throw new LicenseException(var5);
    }
}

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