Examples of java.util.zip.Deflater

java.util.zip.Deflater
de a String into bytes String inputString = "blahblahblah\u20AC\u20AC"; byte[] input = inputString.getBytes("UTF-8"); // Compress the bytes byte[] output = new byte[100]; Deflater compresser = new Deflater(); compresser.setInput(input); compresser.finish(); int compressedDataLength = compresser.deflate(output); // Decompress the bytes Inflater decompresser = new Inflater(); decompresser.setInput(output, 0, compressedDataLength); byte[] result = new byte[100]; int resultLength = decompresser.inflate(result); decompresser.end(); // Decode the bytes into a String String outputString = new String(result, 0, resultLength, "UTF-8"); } catch(java.io.UnsupportedEncodingException ex) { // handle } catch (java.util.zip.DataFormatException ex) { // handle } @see Inflater @version 1.45, 04/07/06 @author David Connelly

                break;
        }
        write(head);
        write((int) crc.getValue());
        ByteArrayOutputStream compressed = new ByteArrayOutputStream(65536);
        BufferedOutputStream bos = new BufferedOutputStream(new DeflaterOutputStream(compressed, new Deflater(9)));
        int pixel;
        int color;
        int colorset;
        switch (mode) {
            case BW_MODE:

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            return currentCd == null ? cdImpl : currentCd;
        }
    }


    static void compress(byte[] input, DataOutput out) throws IOException {
        Deflater deflater = new Deflater();
        deflater.setLevel(Deflater.DEFAULT_COMPRESSION);
        deflater.setStrategy(Deflater.FILTERED);
        deflater.setInput(input);
        deflater.finish();
        byte[] buf = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buf);
            out.write(buf, 0, count);
        }
        deflater.end();
    }

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        }
        return sb.toString();
    }


    public static byte[] compress(byte[] input) throws IOException {
        Deflater compressor = new Deflater();
        compressor.setLevel(Deflater.BEST_SPEED);
        compressor.setInput(input);
        compressor.finish();
        ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length / 10);
        byte[] buf = new byte[input.length / 10];
        while (!compressor.finished()) {
            int count = compressor.deflate(buf);
            bos.write(buf, 0, count);
        }
        bos.close();
        compressor.end();
        return bos.toByteArray();
    }

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      void refreshDeflater()
      {
         if (used)
         {
            def = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
            crc.reset();
         }
         else
         {
            used = true;

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    outPutStream.close();
    return byteOut.toByteArray();
  }


  public static OutputStream getCompressedOutputStream(OutputStream destStream){
    Deflater compresser = new Deflater(Deflater.BEST_COMPRESSION);
    return new DeflaterOutputStream(destStream, compresser);
  }

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                            /* Gack. DeflaterInputStream is Java 6. */
                            // response.setEntity(new InputStreamEntity(new DeflaterInputStream(new
                            // ByteArrayInputStream(
                            // entityText.getBytes("utf-8"))), -1));
                            byte[] uncompressed = entityText.getBytes("utf-8");
                            Deflater compressor = new Deflater(Deflater.DEFAULT_COMPRESSION, rfc1951);
                            compressor.setInput(uncompressed);
                            compressor.finish();
                            byte[] output = new byte[100];
                            int compressedLength = compressor.deflate(output);
                            byte[] compressed = new byte[compressedLength];
                            System.arraycopy(output, 0, compressed, 0, compressedLength);
                            response.setEntity(new InputStreamEntity(
                                    new ByteArrayInputStream(compressed), compressedLength));
                            return;

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   * @see <a href="https://issues.apache.org/jira/browse/HCATALOG-453">HCATALOG-453</a>
   */
  private void writeObject(ObjectOutputStream oos)
    throws IOException {
    oos.defaultWriteObject();
    Deflater def = new Deflater(Deflater.BEST_COMPRESSION);
    ObjectOutputStream partInfoWriter =
      new ObjectOutputStream(new DeflaterOutputStream(oos, def));
    partInfoWriter.writeObject(partitions);
    partInfoWriter.close();
  }

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        InputStream is = exchange.getContext().getTypeConverter().convertTo(InputStream.class, graph);
        if (is == null) {
            throw new IllegalArgumentException("Cannot get the inputstream for ZipDataFormat mashalling");
        }


        DeflaterOutputStream zipOutput = new DeflaterOutputStream(stream, new Deflater(compressionLevel));
        try {
            IOConverter.copy(is, zipOutput);
        } finally {
            zipOutput.close();
        }

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    // The given byte array is compressed onto the specified stream.
    // The method does not close the stream. The caller will have to do it.
    public static void compressToStream(byte[] input, ByteArrayOutputStream bos) throws IOException
    {
       // Create the compressor with highest level of compression
        Deflater compressor = new Deflater();
        compressor.setLevel(Deflater.BEST_COMPRESSION);


        // Give the compressor the data to compress
        compressor.setInput(input);
        compressor.finish();


        // Write the compressed data to the stream
        byte[] buf = new byte[1024];
        while (!compressor.finished())
        {
            int count = compressor.deflate(buf);
            bos.write(buf, 0, count);
        }
    }

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    public void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception {
        // ask for a mandatory type conversion to avoid a possible NPE beforehand as we do copy from the InputStream
        InputStream is = exchange.getContext().getTypeConverter().mandatoryConvertTo(InputStream.class, graph);


        DeflaterOutputStream zipOutput = new DeflaterOutputStream(stream, new Deflater(compressionLevel));
        try {
            IOHelper.copy(is, zipOutput);
        } finally {
            IOHelper.close(is);
            IOHelper.close(zipOutput);

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