Example usage for java.util.zip Inflater end

Introduction

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

Prototype

public void end() 

Source Link

Document

Closes the decompressor and discards any unprocessed input.

Usage

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

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from  ww w .  j  av  a2  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();
            String decodedString = new String(xmlMessageBytes, 0, resultLength, (DEFAULT_CHARSET));
            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);

            return decodedStr;
        }
    } catch (IOException e) {
        Assert.fail("Error while decoding SAML response");
        return "";
    }
}

---

From source file:Main.java

public static byte[] zipDecompress(byte[] input) throws IOException {
    Inflater inflator = new Inflater();
    inflator.setInput(input);/* ww w .j  a va  2s. c o  m*/
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);
    byte[] buf = new byte[1024];
    try {
        while (true) {
            int count = inflator.inflate(buf);
            if (count > 0) {
                bos.write(buf, 0, count);
            } else if (count == 0 && inflator.finished()) {
                break;
            } else {
                throw new RuntimeException("bad zip data, size:" + input.length);
            }
        }
    } catch (DataFormatException t) {
        throw new RuntimeException(t);
    } finally {
        inflator.end();
    }
    return bos.toByteArray();
}

---

From source file:r.base.Connections.java

public static byte[] decompress1(byte buffer[]) throws IOException, DataFormatException {
    DataInputStream in = new DataInputStream(new ByteArrayInputStream(buffer));
    int outLength = in.readInt();

    Inflater inflater = new Inflater();
    inflater.setInput(buffer, 4, buffer.length - 4);

    byte[] result = new byte[outLength];
    inflater.inflate(result);//  w  w  w .j a va 2 s.  co m
    inflater.end();

    return result;
}

---

From source file:org.wso2.carbon.identity.authenticator.saml2.sso.ui.Util.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq/*from  w  ww  .j a  va  2s.co  m*/
 * @return decoded AuthReq
 */
public static String decode(String encodedStr) throws SAML2SSOUIAuthenticatorException {
    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();
            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();
            String decodedStr = new String(baos.toByteArray());
            return decodedStr;
        }
    } catch (IOException e) {
        throw new SAML2SSOUIAuthenticatorException("Error when decoding the SAML Request.", e);
    }

}

---

From source file:org.ow2.proactive.utils.ObjectByteConverter.java

/**
 * Convert the given byte array into the corresponding object.
 * <p>/*from  w  ww .  j  a  v  a2 s.co  m*/
 * The given byteArray can be uncompressed if it has been compressed before.
 * 
 * @param input the byteArray to be convert as an object.
 * @param uncompress true if the given byteArray must be also uncompressed, false if no compression was made on it.
 * @return the object corresponding to the given byteArray.
 * @throws IOException if an I/O exception occurs when writing the returned object
 * @throws ClassNotFoundException if class represented by given byteArray is not found.
 */
public static Object byteArrayToObject(byte[] input, boolean uncompress)
        throws IOException, ClassNotFoundException {
    if (input == null) {
        return null;
    }
    if (uncompress) {
        // Uncompress the bytes
        Inflater decompressor = new Inflater();
        decompressor.setInput(input);

        ByteArrayOutputStream bos = null;
        try {
            // Create an expandable byte array to hold the compressed data.
            bos = new ByteArrayOutputStream();
            // Compress the data
            byte[] buf = new byte[512];
            while (!decompressor.finished()) {
                int count = decompressor.inflate(buf);
                bos.write(buf, 0, count);
            }
            decompressor.end();
            // set the UNCOMPRESSED data
            input = bos.toByteArray();
        } catch (DataFormatException dfe) {
            //convert into io exception to fit previous behavior
            throw new IOException("Compressed data format is invalid : " + dfe.getMessage(), dfe);
        } finally {
            if (bos != null) {
                bos.close();
            }
        }
    }
    //here, input byteArray is uncompressed if needed
    ByteArrayInputStream bais = null;
    ObjectInputStream ois = null;
    try {
        bais = new ByteArrayInputStream(input);
        ois = new ObjectInputStream(bais);
        return ois.readObject();
    } finally {
        if (ois != null) {
            ois.close();
        }
        if (bais != null) {
            bais.close();
        }
    }
}

---

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

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//  w w w  .  j  a  v  a2 s . c om
 * @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.wso2.carbon.identity.auth.saml2.common.SAML2AuthUtils.java

public static String decodeForRedirect(String encodedStr) throws IdentityRuntimeException {
    try {//  www .java2 s.  c  o  m
        if (logger.isDebugEnabled()) {
            logger.debug(" >> encoded string in the SSOUtils/decode : " + encodedStr);
        }
        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 {
            //TODO if the request came in POST, inflating is wrong
            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();
            String decodedString = new String(xmlMessageBytes, 0, resultLength, "UTF-8");
            if (logger.isDebugEnabled()) {
                logger.debug("Request message " + decodedString);
            }
            return decodedString;

        } 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();
            String decodedStr = new String(baos.toByteArray(), Charset.forName("UTF-8"));
            if (logger.isDebugEnabled()) {
                logger.debug("Request message " + decodedStr);
            }
            return decodedStr;
        }
    } catch (IOException e) {
        throw new IdentityRuntimeException("Error when decoding the SAML Request.", e);
    }
}

---

From source file:org.wso2.carbon.identity.application.authenticator.samlsso.util.SSOUtils.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq/*from ww  w . jav  a  2s  . c om*/
 * @return decoded AuthReq
 */
public static String decode(String encodedStr) throws SAMLSSOException {
    try {
        if (log.isDebugEnabled()) {
            log.debug(" >> encoded string in the SSOUtils/decode : " + encodedStr);
        }
        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 {
            //TODO if the request came in POST, inflating is wrong
            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 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();
            String decodedStr = new String(baos.toByteArray(), Charset.forName("UTF-8"));
            if (log.isDebugEnabled()) {
                log.debug("Request message " + decodedStr);
            }
            return decodedStr;
        }
    } catch (IOException e) {
        throw new SAMLSSOException("Error when decoding the SAML Request.", e);
    }

}

---

From source file:Main.java

public static byte[] zlibDecompress(byte[] data, int offset, int length) {
    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();/*from   ww w  . jav a2  s .  co m*/
    try {
        decompresser.setInput(data, offset, length);
    } catch (Exception e) {
        return null;
    }

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    } finally {
        try {
            o.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    decompresser.end();
    return output;
}

---

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

public static String decode(String encodedStr) throws AppFactoryException {
    try {//ww w . j av a 2s. 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);
    }

}

---

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