Examples of io.netty.buffer.ByteBuf.readBytes()

io.netty.buffer.ByteBuf.readBytes()
Transfers this buffer's data to a newly created buffer starting at the current {@code readerIndex} and increases the {@code readerIndex}by the number of the transferred bytes (= {@code length}). The returned buffer's {@code readerIndex} and {@code writerIndex} are{@code 0} and {@code length} respectively. @param length the number of bytes to transfer @return the newly created buffer which contains the transferred bytes @throws IndexOutOfBoundsException if {@code length} is greater than {@code this.readableBytes}

   */
  public byte[] toBytes() {
    // we do copy the buffer here
    ByteBuf buf = buffer.toByteBuf();
    byte[] me = new byte[buf.readableBytes()];
    buf.readBytes(me);
    return me;
  }


  /**
   * @return The ByteBuffers that is the payload. We do not make a copy here

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        decoderChannel.writeInbound(DeflateDecoder.FRAME_TAIL);
        ByteBuf uncompressedPayload = decoderChannel.readInbound();
        assertEquals(300, uncompressedPayload.readableBytes());


        byte[] finalPayload = new byte[300];
        uncompressedPayload.readBytes(finalPayload);
        assertTrue(Arrays.equals(finalPayload, payload));
        uncompressedPayload.release();
    }


    @Test

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        decoderChannel.writeInbound(compressedFrame1.content());
        decoderChannel.writeInbound(Unpooled.wrappedBuffer(DeflateDecoder.FRAME_TAIL));
        ByteBuf uncompressedPayload1 = decoderChannel.readInbound();
        byte[] finalPayload1 = new byte[100];
        uncompressedPayload1.readBytes(finalPayload1);
        assertTrue(Arrays.equals(finalPayload1, payload1));
        uncompressedPayload1.release();


        decoderChannel.writeInbound(compressedFrame2.content());
        decoderChannel.writeInbound(Unpooled.wrappedBuffer(DeflateDecoder.FRAME_TAIL));

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        decoderChannel.writeInbound(compressedFrame2.content());
        decoderChannel.writeInbound(Unpooled.wrappedBuffer(DeflateDecoder.FRAME_TAIL));
        ByteBuf uncompressedPayload2 = decoderChannel.readInbound();
        byte[] finalPayload2 = new byte[100];
        uncompressedPayload2.readBytes(finalPayload2);
        assertTrue(Arrays.equals(finalPayload2, payload2));
        uncompressedPayload2.release();


        decoderChannel.writeInbound(compressedFrame3.content());
        decoderChannel.writeInbound(Unpooled.wrappedBuffer(DeflateDecoder.FRAME_TAIL));

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        decoderChannel.writeInbound(compressedFrame3.content());
        decoderChannel.writeInbound(Unpooled.wrappedBuffer(DeflateDecoder.FRAME_TAIL));
        ByteBuf uncompressedPayload3 = decoderChannel.readInbound();
        byte[] finalPayload3 = new byte[100];
        uncompressedPayload3.readBytes(finalPayload3);
        assertTrue(Arrays.equals(finalPayload3, payload3));
        uncompressedPayload3.release();
    }
}

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                ByteBuf buf = chDecoderZlib.readInbound();
                if (buf == null) {
                    break;
                }
                int length = buf.readableBytes();
                buf.readBytes(decompressed, offset, length);
                offset += length;
                buf.release();
                if (offset == decompressed.length) {
                    break;
                }

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        decoderChannel.writeInbound(DeflateDecoder.FRAME_TAIL);
        ByteBuf uncompressedPayload = decoderChannel.readInbound();
        assertEquals(300, uncompressedPayload.readableBytes());


        byte[] finalPayload = new byte[300];
        uncompressedPayload.readBytes(finalPayload);
        assertTrue(Arrays.equals(finalPayload, payload));
        uncompressedPayload.release();
    }


    @Test

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        assertTrue(compressedFrame3.isFinalFragment());


        decoderChannel.writeInbound(compressedFrame1.content());
        ByteBuf uncompressedPayload1 = decoderChannel.readInbound();
        byte[] finalPayload1 = new byte[100];
        uncompressedPayload1.readBytes(finalPayload1);
        assertTrue(Arrays.equals(finalPayload1, payload1));
        uncompressedPayload1.release();


        decoderChannel.writeInbound(compressedFrame2.content());
        ByteBuf uncompressedPayload2 = decoderChannel.readInbound();

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        uncompressedPayload1.release();


        decoderChannel.writeInbound(compressedFrame2.content());
        ByteBuf uncompressedPayload2 = decoderChannel.readInbound();
        byte[] finalPayload2 = new byte[100];
        uncompressedPayload2.readBytes(finalPayload2);
        assertTrue(Arrays.equals(finalPayload2, payload2));
        uncompressedPayload2.release();


        decoderChannel.writeInbound(compressedFrame3.content());
        decoderChannel.writeInbound(DeflateDecoder.FRAME_TAIL);

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        decoderChannel.writeInbound(compressedFrame3.content());
        decoderChannel.writeInbound(DeflateDecoder.FRAME_TAIL);
        ByteBuf uncompressedPayload3 = decoderChannel.readInbound();
        byte[] finalPayload3 = new byte[100];
        uncompressedPayload3.readBytes(finalPayload3);
        assertTrue(Arrays.equals(finalPayload3, payload3));
        uncompressedPayload3.release();
    }
}

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