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

    byte outPutInf[] = new byte[500];
    int x = 0;
    Deflater deflate = new Deflater(1);
    deflate.setInput(byteArray);
    while (!(deflate.needsInput())) {
      x += deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    deflate.finish();
    while (!(deflate.finished())) {
      x = x + deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }

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    while (!(deflate.needsInput())) {
      x += deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    deflate.finish();
    while (!(deflate.finished())) {
      x = x + deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }


    Inflater inflate = new Inflater();
    try {
      while (!(inflate.finished())) {

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    int y = 0;
    int x = 0;
    Deflater deflate = new Deflater(1);
    deflate.setInput(byteArray);
    while (!(deflate.needsInput())) {
      x += deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    deflate.finish();
    while (!(deflate.finished())) {
      x = x + deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }

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    while (!(deflate.needsInput())) {
      x += deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    deflate.finish();
    while (!(deflate.finished())) {
      x = x + deflate.deflate(outPutBuf, x, outPutBuf.length - x);
    }


    Inflater inflate = new Inflater();
    byte outPutInf[] = new byte[500];
    try {

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    byte emptyArray[] = new byte[11];
    int x = 0;
    Deflater defEmpty = new Deflater(3);
    defEmpty.setInput(emptyArray);
    while (!(defEmpty.needsInput())) {
      x += defEmpty.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    defEmpty.finish();
    while (!(defEmpty.finished())) {
      x += defEmpty.deflate(outPutBuf, x, outPutBuf.length - x);
    }

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    while (!(defEmpty.needsInput())) {
      x += defEmpty.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    defEmpty.finish();
    while (!(defEmpty.finished())) {
      x += defEmpty.deflate(outPutBuf, x, outPutBuf.length - x);
    }
    assertTrue(
        "the total number of byte from deflate did not equal getTotalOut - inflate(byte)",
        x == defEmpty.getTotalOut());
    assertTrue(

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        // Compress the bytes
        byte[] output = new byte[100];
        def.setInput(input);
        def.finish();
        def.deflate(output);
        inf.setInput(output);
        int compressedDataLength =inf.inflate(input);
        assertEquals(16, inf.getTotalIn());
        assertEquals(compressedDataLength, inf.getTotalOut());
        assertEquals(16, inf.getBytesRead());

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                try {
                    deflater=deflater_pool.take();
                    deflater.reset();
                    deflater.setInput(payload, msg.getOffset(), length);
                    deflater.finish();
                    deflater.deflate(compressed_payload);
                    compressed_size=deflater.getTotalOut();
                    byte[] new_payload=new byte[compressed_size];
                    System.arraycopy(compressed_payload, 0, new_payload, 0, compressed_size);
                    msg.setBuffer(new_payload);
                    msg.putHeader(name, new CompressHeader(length));

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    try {
      Deflater compressor = new Deflater(Deflater.BEST_SPEED);
      byte[] compressed = new byte[src.length + 100];
      compressor.setInput(src);
      compressor.finish();
      int totalOut = compressor.deflate(compressed);
      byte[] zipsrc = new byte[totalOut];
      System.arraycopy(compressed, 0, zipsrc, 0, totalOut);
      compressor.end();
      return codec.encode(zipsrc);
    } catch (Exception e) {

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        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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