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}


      // buffer.clear();


      // The output should be 24 bytes, so copy the complete buffer, including the remaining bytes
      byte[] resultingBytes = new byte[buffer.capacity()];
      buffer.readBytes(resultingBytes, 0, buffer.readableBytes());


      short[] newResultingBytes = new short[resultingBytes.length];
      for (int i = 0; i < resultingBytes.length; i++) {
        newResultingBytes[i] = (short) (resultingBytes[i] & 0xFF);
      }

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            KeyFactory rsaKF = KeyFactory.getInstance("RSA");
            KeyFactory dsaKF = KeyFactory.getInstance("DSA");


            ByteBuf encodedKeyBuf = PemReader.readPrivateKey(keyFile);
            byte[] encodedKey = new byte[encodedKeyBuf.readableBytes()];
            encodedKeyBuf.readBytes(encodedKey).release();


            char[] keyPasswordChars = keyPassword.toCharArray();
            PKCS8EncodedKeySpec encodedKeySpec = generateKeySpec(keyPasswordChars, encodedKey);


            PrivateKey key;

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            // Do stuff with the message (for now just print it)
            ByteBuf content = msg.content();
            if (content.isReadable()) {
                int contentLength = content.readableBytes();
                byte[] arr = new byte[contentLength];
                content.readBytes(arr);
                System.out.println(new String(arr, 0, contentLength, CharsetUtil.UTF_8));
            }


            promise.setSuccess();
        }

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                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());
            }
            metaBuffer.release();
            /* write bytes for each stream id */
            for (TempData out : streamsWithData) {
                synchronized (out.stream) {     // need less confusing variable names for concurrency

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                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());
            }
            metaBuffer.release();
            /* write bytes for each stream id */
            for (TempData out : streamsWithData) {
                synchronized (out.stream) {     // need less confusing variable names for concurrency

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                Charset charset = contentType.getCharset();


                ByteBuf content = fullResponse.content();


                byte[] data = new byte[content.readableBytes()];
                content.readBytes(data);


                String responseToTransform = createStringFromData(data, charset);
                RealURLToProxyURLMapping mapping = realToProxyURLMappingInst.get();


                for (Map.Entry<URL, URL> entry : mapping.asMap().entrySet()) {

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            buf.writeByte(i);
        }
        ByteBuf input = buf.duplicate();


        EmbeddedChannel channel = new EmbeddedChannel(new FixedLengthFrameDecoder(3));
        Assert.assertFalse(channel.writeInbound(input.readBytes(2)));
        Assert.assertTrue(channel.writeInbound(input.readBytes(7)));


        Assert.assertTrue(channel.finish());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());

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        }
        ByteBuf input = buf.duplicate();


        EmbeddedChannel channel = new EmbeddedChannel(new FixedLengthFrameDecoder(3));
        Assert.assertFalse(channel.writeInbound(input.readBytes(2)));
        Assert.assertTrue(channel.writeInbound(input.readBytes(7)));


        Assert.assertTrue(channel.finish());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());

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            buf.writeByte(i);
        }
        ByteBuf input = buf.duplicate();


        EmbeddedChannel channel = new EmbeddedChannel(new FixedLengthFrameDecoder(3));
        Assert.assertFalse(channel.writeInbound(input.readBytes(2)));
        Assert.assertTrue(channel.writeInbound(input.readBytes(7)));


        Assert.assertTrue(channel.finish());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());

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        }
        ByteBuf input = buf.duplicate();


        EmbeddedChannel channel = new EmbeddedChannel(new FixedLengthFrameDecoder(3));
        Assert.assertFalse(channel.writeInbound(input.readBytes(2)));
        Assert.assertTrue(channel.writeInbound(input.readBytes(7)));


        Assert.assertTrue(channel.finish());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());
        Assert.assertEquals(buf.readBytes(3), channel.readInbound());

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