Examples of java.util.zip.Deflater.deflate()

java.util.zip.Deflater.deflate()
Fills specified buffer with compressed data. Returns actual number of bytes of compressed data. A return value of 0 indicates that needsInput() should be called in order to determine if more input data is required. @param b the buffer for the compressed data @param off the start offset of the data @param len the maximum number of bytes of compressed data @return the actual number of bytes of compressed data

        // Compress the bytes
        byte[] buffer = new byte[1024];
        Deflater compresser = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
        compresser.setInput(xml.getBytes("UTF-8"));
        compresser.finish();
        int compressedDataLength = compresser.deflate(buffer);
        byte[] output = new byte[compressedDataLength];
        for (int i=0; i<compressedDataLength; i++) {
            output[i] = buffer[i];
        }
        compresser.reset();

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        compresser.setInput(tokenBytes);
        compresser.finish();
        
        byte[] output = new byte[tokenBytes.length];
        
        int compressedDataLength = compresser.deflate(output);
        byte[] result = new byte[compressedDataLength];
        System.arraycopy(output, 0, result, 0, compressedDataLength);
        return result;
    }
}

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            // Compress the bytes
            byte[] output = new byte[oledata.length];
            Deflater compresser = new Deflater();
            compresser.setInput(oledata);
            compresser.finish();
            int compressedDataLength = compresser.deflate(output);
            //realloc the data length
            byte[] compressedBytes = new byte[compressedDataLength];
            for (int i = 0; i < compressedDataLength; i++) {
                compressedBytes[i] = output[i];
            }

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        baos.reset();
        byte[] buf = new byte[ret.length/5];


        while (!compresser.finished())
        {
          int count = compresser.deflate(buf);
          baos.write(buf, 0, count);
        }


        _viewState = baos.toByteArray();

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    deflater.setInput(inBytes);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(inBytes.length);
    deflater.finish();
    byte[] buffer = new byte[1024 * 8];
    while (!deflater.finished()) {
      int count = deflater.deflate(buffer);
      bos.write(buffer, 0, count);
    }
    byte[] output = bos.toByteArray();
    return output;
  }

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    deflater.setInput(inBytes);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(inBytes.length);
    deflater.finish();
    byte[] buffer = new byte[1024 * 8];
    while (!deflater.finished()) {
      int count = deflater.deflate(buffer);
      bos.write(buffer, 0, count);
    }
    byte[] output = bos.toByteArray();
    return output;
  }

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    Deflater defl = new Deflater();
    defl.setInput(byteArray);
    defl.finish();
    while (!defl.finished()) {
            x += defl.deflate(outPutBuf);
        }
    assertEquals("Deflater at end of stream, should return 0", 0, defl
        .deflate(outPutBuf));
        int totalOut = defl.getTotalOut();
        int totalIn = defl.getTotalIn();

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    defl.setInput(byteArray);
    defl.finish();
    while (!defl.finished()) {
            x += defl.deflate(outPutBuf);
        }
    assertEquals("Deflater at end of stream, should return 0", 0, defl
        .deflate(outPutBuf));
        int totalOut = defl.getTotalOut();
        int totalIn = defl.getTotalIn();
        assertEquals(x, totalOut);
        assertEquals(byteArray.length, totalIn);

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    Deflater defl = new Deflater();
    defl.setInput(byteArray);
    defl.finish();
    while (!defl.finished()) {
            x += defl.deflate(outPutBuf, offSet, length);
        }
    assertEquals("Deflater at end of stream, should return 0", 0, defl.deflate(
        outPutBuf, offSet, length));
    int totalOut = defl.getTotalOut();
    int totalIn = defl.getTotalIn();

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    defl.setInput(byteArray);
    defl.finish();
    while (!defl.finished()) {
            x += defl.deflate(outPutBuf, offSet, length);
        }
    assertEquals("Deflater at end of stream, should return 0", 0, defl.deflate(
        outPutBuf, offSet, length));
    int totalOut = defl.getTotalOut();
    int totalIn = defl.getTotalIn();
        assertEquals(x, totalOut);
        assertEquals(byteArray.length, totalIn);

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