Examples with DeflaterOutputStream java.util.zip.DeflaterOutputStream used on opensource projects

Example 66 with DeflaterOutputStream

use of java.util.zip.DeflaterOutputStream in project poi by apache.

the class EscherMetafileBlip method setPictureData.

@Override
public void setPictureData(byte[] pictureData) {
    super.setPictureData(pictureData);
    setUncompressedSize(pictureData.length);
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DeflaterOutputStream dos = new DeflaterOutputStream(bos);
        dos.write(pictureData);
        dos.close();
        raw_pictureData = bos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException("Can't compress metafile picture data", e);
    }
    setCompressedSize(raw_pictureData.length);
    setCompressed(true);
}

Example 67 with DeflaterOutputStream

use of java.util.zip.DeflaterOutputStream in project voltdb by VoltDB.

the class ScriptWriterZipped method openFile.

protected void openFile() {
    try {
        FileAccess fa = database.getFileAccess();
        java.io.OutputStream fos = fa.openOutputStreamElement(outFile);
        outDescriptor = fa.getFileSync(fos);
        fileStreamOut = new DeflaterOutputStream(fos, new Deflater(Deflater.DEFAULT_COMPRESSION), bufferSize);
    } catch (IOException e) {
        throw Error.error(ErrorCode.FILE_IO_ERROR, ErrorCode.M_Message_Pair, new Object[] { e.toString(), outFile });
    }
}

Example 68 with DeflaterOutputStream

use of java.util.zip.DeflaterOutputStream in project jdk8u_jdk by JetBrains.

the class PNGImageWriter method deflate.

private byte[] deflate(byte[] b) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DeflaterOutputStream dos = new DeflaterOutputStream(baos);
    dos.write(b);
    dos.close();
    return baos.toByteArray();
}

Example 69 with DeflaterOutputStream

use of java.util.zip.DeflaterOutputStream in project simba-os by cegeka.

the class SAMLServiceImpl method encodeSAMLRequest.

protected String encodeSAMLRequest(byte[] pSAMLRequest) throws RuntimeException {
    Base64 base64Encoder = new Base64();
    try {
        ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
        Deflater deflater = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
        DeflaterOutputStream def = new DeflaterOutputStream(byteArray, deflater);
        def.write(pSAMLRequest);
        def.close();
        byteArray.close();
        String stream = new String(base64Encoder.encode(byteArray.toByteArray()));
        return stream.trim();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 70 with DeflaterOutputStream

use of java.util.zip.DeflaterOutputStream in project ddf by codice.

the class SimpleSignTest method deflateAndBase64Encode.

/**
     * Deflates a value and Base64 encodes the result. This code is copied from RestSecurity because it would cause a circular dependency to use it directly..
     *
     * @param value value to deflate and Base64 encode
     * @return String
     * @throws IOException if the value cannot be converted
     */
public static String deflateAndBase64Encode(String value) throws IOException {
    ByteArrayOutputStream valueBytes = new ByteArrayOutputStream();
    try (OutputStream tokenStream = new DeflaterOutputStream(valueBytes, new Deflater(Deflater.DEFLATED, true))) {
        tokenStream.write(value.getBytes(StandardCharsets.UTF_8));
        tokenStream.close();
        return Base64.getEncoder().encodeToString(valueBytes.toByteArray());
    }
}