Java Code Examples for com.google.common.io.ByteStreams#newDataOutput()

private void sendToChannel(MessageAgent agent, Player player) {
    ensureSetup();

    // create a new data output stream for the message
    ByteArrayDataOutput out = ByteStreams.newDataOutput();

    // write the channel
    out.writeUTF(agent.getSubChannel());
    // append the agents data
    agent.appendPayload(out);

    byte[] buf = out.toByteArray();
    player.sendPluginMessage(this.plugin, CHANNEL, buf);

    // if the agent is also a MessageCallback, register it
    if (agent instanceof MessageCallback) {
        MessageCallback callback = (MessageCallback) agent;
        registerCallback(callback);
    }
}
 

/**
 * Send a plugin message to the Bungee when a player logged into AuthMe on subchannel authMeLogin with the name and UUID
 * @param event AuthMe's LoginEvent
 */
@EventHandler
public void onAuthMeLogin(LoginEvent event) {
    if(plugin.isEnabled()) {
        long sendDelay = plugin.getPackManager().getAssignment(event.getPlayer().getWorld().getName()).getSendDelay();
        if (sendDelay < 0) {
            sendDelay = plugin.getPackManager().getGlobalAssignment().getSendDelay();
        }
        if (sendDelay > 0) {
            plugin.getServer().getScheduler().runTaskLater(plugin, () -> plugin.getPackManager().applyPack(event.getPlayer().getUniqueId(), event.getPlayer().getWorld().getName()), sendDelay);
        } else {
            plugin.getPackManager().applyPack(event.getPlayer().getUniqueId(), event.getPlayer().getWorld().getName());
        }

        ByteArrayDataOutput out = ByteStreams.newDataOutput();
        out.writeUTF("authMeLogin");
        out.writeUTF(event.getPlayer().getName());
        out.writeUTF(event.getPlayer().getUniqueId().toString());
        event.getPlayer().sendPluginMessage(plugin, "rp:plugin", out.toByteArray());
    }
}
 

private <T> void updateData(UUID uuid, DataKey<T> key, T value) {
    try {
        ByteArrayDataOutput data = ByteStreams.newDataOutput();
        DataStreamUtils.writeUUID(data, uuid);
        DataStreamUtils.writeDataKey(data, key);
        data.writeBoolean(value == null);
        if (value != null) {
            typeRegistry.getTypeAdapter(key.getType()).write(data, value);
        }
        RedisBungee.getApi().sendChannelMessage(CHANNEL_DATA_UPDATE, Base64.getEncoder().encodeToString(data.toByteArray()));
    } catch (RuntimeException ex) {
        BungeeTabListPlus.getInstance().getLogger().log(Level.WARNING, "RedisBungee Error", ex);
    } catch (Throwable th) {
        BungeeTabListPlus.getInstance().getLogger().log(Level.SEVERE, "Failed to send data", th);
    }
}
 

@SneakyThrows
public static byte[] encode(PlayerData dat) {
    ByteArrayDataOutput output = ByteStreams.newDataOutput();
    output.writeLong(dat.getUuid().getMostSignificantBits());
    output.writeLong(dat.getUuid().getLeastSignificantBits());
    output.writeDouble(dat.getHealth());
    output.writeInt(dat.getFood());
    output.writeInt(dat.getHand());
    output.writeInt(dat.getExp());
    write(output, dat.getInventory());
    write(output, dat.getArmor());
    write(output, dat.getChest());
    write(output, dat.getEffect());
    byte[] uncompressed = output.toByteArray();
    output = ByteStreams.newDataOutput();
    VarInt.writeUnsignedVarInt(output, uncompressed.length);
    byte[] compressed = LZ4.compress(uncompressed);
    if (Config.DEBUG) {
        PluginMain.getPlugin().log(String.format("PlayerDataHelper.encode LZ4 compressor %s -> %s", uncompressed.length, compressed.length));
    }
    VarInt.writeUnsignedVarInt(output, compressed.length);
    output.write(compressed);
    return output.toByteArray();
}
 

@Override
public void sendOutgoingMessage(@NonNull OutgoingMessage outgoingMessage) {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.writeUTF(outgoingMessage.asEncodedString());
    byte[] data = out.toByteArray();

    new BukkitRunnable() {
        @Override
        public void run() {
            Collection<? extends Player> players = PluginMessageMessenger.this.plugin.getBootstrap().getServer().getOnlinePlayers();
            Player p = Iterables.getFirst(players, null);
            if (p == null) {
                return;
            }

            p.sendPluginMessage(PluginMessageMessenger.this.plugin.getBootstrap(), CHANNEL, data);
            cancel();
        }
    }.runTaskTimer(this.plugin.getBootstrap(), 1L, 100L);
}
 

@VisibleForTesting
Slice consumeSlice(long len) throws ParseErrorException {
    ByteArrayDataOutput bo = ByteStreams.newDataOutput();
    for (long i = 0; i < len; i++) {
        try {
            bo.write(consumeByte());
        } catch (EOFException e) {
            throw new ParseErrorException();
        }
    }
    return new Slice(bo.toByteArray());
}
 

public void teleport(Player player) {
    if (this.server != null) {
        ByteArrayDataOutput out = ByteStreams.newDataOutput();
        out.writeUTF("Connect");
        out.writeUTF(this.server);
        player.sendPluginMessage(HubBasics.getInstance(), "BungeeCord", out.toByteArray());
    } else {
        player.teleport(this.toBukkitLocation());
    }
}
 

@SuppressWarnings("deprecation")
@Test
public void testPartitionEventSerialization() throws IOException {
    PartitionedEvent partitionedEvent = MockSampleMetadataFactory.createPartitionedEventGroupedByName("sampleStream", System.currentTimeMillis());
    ;
    PartitionedEventSerializerImpl serializer = new PartitionedEventSerializerImpl(MockSampleMetadataFactory::createSampleStreamDefinition);

    ByteArrayDataOutput dataOutput1 = ByteStreams.newDataOutput();
    serializer.serialize(partitionedEvent, dataOutput1);
    byte[] serializedBytes = dataOutput1.toByteArray();
    PartitionedEvent deserializedEvent = serializer.deserialize(ByteStreams.newDataInput(serializedBytes));
    Assert.assertEquals(partitionedEvent, deserializedEvent);

    PartitionedEventSerializerImpl compressSerializer = new PartitionedEventSerializerImpl(MockSampleMetadataFactory::createSampleStreamDefinition, true);

    byte[] serializedBytesCompressed = compressSerializer.serialize(partitionedEvent);
    PartitionedEvent deserializedEventCompressed = compressSerializer.deserialize(serializedBytesCompressed);
    Assert.assertEquals(partitionedEvent, deserializedEventCompressed);

    PartitionedEventDigestSerializer serializer2 = new PartitionedEventDigestSerializer(MockSampleMetadataFactory::createSampleStreamDefinition);
    ByteArrayDataOutput dataOutput2 = ByteStreams.newDataOutput();
    serializer2.serialize(partitionedEvent, dataOutput2);
    byte[] serializedBytes2 = dataOutput2.toByteArray();
    ByteArrayDataInput dataInput2 = ByteStreams.newDataInput(serializedBytes2);
    PartitionedEvent deserializedEvent2 = serializer2.deserialize(dataInput2);
    Assert.assertEquals(partitionedEvent, deserializedEvent2);

    byte[] javaSerialization = new DefaultSerializationDelegate().serialize(partitionedEvent);
    Kryo kryo = new DefaultKryoFactory.KryoSerializableDefault();
    Output output = new Output(10000);
    kryo.writeClassAndObject(output, partitionedEvent);
    byte[] kryoBytes = output.toBytes();
    Input input = new Input(kryoBytes);
    PartitionedEvent kryoDeserializedEvent = (PartitionedEvent) kryo.readClassAndObject(input);
    Assert.assertEquals(partitionedEvent, kryoDeserializedEvent);
    LOG.info("\nCached Stream:{}\nCompressed Cached Stream :{}\nCached Stream + Cached Partition: {}\nJava Native: {}\nKryo: {}\nKryo + Cached Stream: {}\nKryo + Cached Stream + Cached Partition: {}", serializedBytes.length, serializedBytesCompressed.length, serializedBytes2.length, javaSerialization.length, kryoBytes.length, kryoSerialize(serializedBytes).length, kryoSerialize(serializedBytes2).length);
}
 

@Override
public byte[] toByteArray(boolean shrink) throws IOException {
  ByteArrayDataOutput output = ByteStreams.newDataOutput();
  for (Chunk chunk : chunks) {
    output.write(chunk.toByteArray(shrink));
  }
  return output.toByteArray();
}
 

@EventHandler
public void handleRightClick(PlayerInteractEntityEvent e) {
    MobImpl mobImpl = CollectionWrapper.filter(mobs.values(), new Acceptable<MobImpl>() {
        @Override
        public boolean isAccepted(MobImpl value) {
            return value.getEntity().getUniqueId().equals(e.getRightClicked().getUniqueId());
        }
    });

    if (mobImpl != null) {
        e.setCancelled(true);
        if (!CloudAPI.getInstance().getServerGroupData(mobImpl.getMob().getTargetGroup()).isMaintenance()) {
            if (mobImpl.getMob().getAutoJoin() != null && mobImpl.getMob().getAutoJoin()) {
                ByteArrayDataOutput byteArrayDataOutput = ByteStreams.newDataOutput();
                byteArrayDataOutput.writeUTF("Connect");

                List<ServerInfo> serverInfos = getServers(mobImpl.getMob().getTargetGroup());

                for (ServerInfo serverInfo : serverInfos) {
                    if (serverInfo.getOnlineCount() < serverInfo.getMaxPlayers() && serverInfo.getServerState()
                                                                                              .equals(ServerState.LOBBY)) {
                        byteArrayDataOutput.writeUTF(serverInfo.getServiceId().getServerId());
                        e.getPlayer().sendPluginMessage(CloudServer.getInstance().getPlugin(),
                                                        "BungeeCord",
                                                        byteArrayDataOutput.toByteArray());
                        return;
                    }
                }
            } else {
                e.getPlayer().openInventory(mobImpl.getInventory());
            }
        } else {
            e.getPlayer().sendMessage(ChatColor.translateAlternateColorCodes('&',
                                                                             CloudAPI.getInstance()
                                                                                     .getCloudNetwork()
                                                                                     .getMessages()
                                                                                     .getString("mob-selector-maintenance-message")));
        }
    }
}
 

public void sendPluginMessage(PluginMessageRecipient sender, ChannelMessage message) {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    message.writeTo(out);

    NamespaceKey channel = new NamespaceKey(getName(), message.getChannelName());
    sender.sendPluginMessage(this, channel.getCombinedName(), out.toByteArray());
}
 

@Test
public void testDeserializeDuplicateKeys() throws TagContextDeserializationException {
  ByteArrayDataOutput output = ByteStreams.newDataOutput();
  output.write(BinarySerializationUtils.VERSION_ID);
  encodeTagToOutput("Key1", "Value1", output);
  encodeTagToOutput("Key1", "Value2", output);
  TagContext expected =
      tagger.emptyBuilder().put(TagKey.create("Key1"), TagValue.create("Value2")).build();
  assertThat(serializer.fromByteArray(output.toByteArray())).isEqualTo(expected);
}
 

public static HiveReaderProto.SerializedInputSplit serialize(InputSplit split) {
  final ByteArrayDataOutput output = ByteStreams.newDataOutput();
  try {
    split.write(output);
  } catch (IOException e) {
    throw UserException.dataReadError(e).message(e.getMessage()).build(logger);
  }
  return HiveReaderProto.SerializedInputSplit.newBuilder()
    .setInputSplitClass(split.getClass().getName())
    .setInputSplit(com.google.protobuf.ByteString.copyFrom(output.toByteArray())).build();
}
 

/**
 * For hbase 0.98
 *
 * @return serialized byte array
 */
@Override
public byte[] toByteArray() {
    ByteArrayDataOutput byteArrayDataOutput = ByteStreams.newDataOutput();
    try {
        this.write(byteArrayDataOutput);
        return byteArrayDataOutput.toByteArray();
    } catch (IOException e) {
        LOG.error("Failed to serialize due to: " + e.getMessage(), e);
        throw new RuntimeException(e);
    }
}
 

public static AggregateProtos.AggregateResult toPBAggregateResult(AggregateResult result) throws IOException {
    ByteArrayDataOutput output = ByteStreams.newDataOutput();
    result.write(output);
    return AggregateProtos.AggregateResult.newBuilder()
            .setByteArray(ByteString.copyFrom(output.toByteArray()))
            .build();
}
 

private void parseHeadline(LittleEndianDataInputStream input) throws IOException {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    byte c;

    while((c = input.readByte()) != '\n') {
        out.writeByte(c);
    }

    String[] headline = new String(out.toByteArray(), StandardCharsets.UTF_8).split(" ");
    this.numberOfVectors = Integer.parseInt(headline[0]);
    this.dimensions = Integer.parseInt(headline[1]);
}
 

@Test
public void testDeserializeInvalidTagKey() throws TagContextDeserializationException {
  ByteArrayDataOutput output = ByteStreams.newDataOutput();
  output.write(BinarySerializationUtils.VERSION_ID);

  // Encode an invalid tag key and a valid tag value:
  encodeTagToOutput("\2key", "value", output);
  final byte[] bytes = output.toByteArray();

  thrown.expect(TagContextDeserializationException.class);
  thrown.expectMessage("Invalid tag key: \2key");
  serializer.fromByteArray(bytes);
}
 

private void assertSerializedEdit(TransactionEdit originalEdit) throws IOException {
  ByteArrayDataOutput out = ByteStreams.newDataOutput();
  originalEdit.write(out);

  TransactionEdit decodedEdit = new TransactionEdit();
  DataInput in = ByteStreams.newDataInput(out.toByteArray());
  decodedEdit.readFields(in);

  Assert.assertEquals(originalEdit, decodedEdit);
}
 

@Test
public void testSerialization() throws Exception {
    final Broker broker = new Broker("127.0.0.1", 9092, 1);
    final Partition partition = new Partition("topic_name", 0, broker);
    final KafkaInputSplit split = new KafkaInputSplit(partition, 0, 10l, false);
    final ByteArrayDataOutput out = ByteStreams.newDataOutput();
    split.write(out);

    final KafkaInputSplit actual = new KafkaInputSplit();
    actual.readFields(ByteStreams.newDataInput(out.toByteArray()));

    assertEquals(split, actual);
}
 

/**
 * TODO: Currently still use older serialization method from hbase-0.94, need to migrate into ProtoBuff
 * based
 *
 * @return
 * @throws IOException
 */
@Override
public byte[] toByteArray() throws IOException {
    ByteArrayDataOutput byteArrayDataOutput = ByteStreams.newDataOutput();
    this.comparator.write(byteArrayDataOutput);
    return byteArrayDataOutput.toByteArray();
}