Java ByteArrayDataOutput類代碼示例

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
@EventHandler
public void handleInteract(PlayerInteractEvent e)
{
    if (e.getAction().equals(Action.RIGHT_CLICK_BLOCK) && (e.getClickedBlock().getType().equals(Material.SIGN_POST) || e.getClickedBlock().getType().equals(Material.WALL_SIGN)))
    {
        if (containsPosition(e.getClickedBlock().getLocation()))
        {
            Sign sign = getSignByPosition(e.getClickedBlock().getLocation());
            if (sign.getServerInfo() != null)
            {
                String s = sign.getServerInfo().getServiceId().getServerId();
                ByteArrayDataOutput output = ByteStreams.newDataOutput();
                output.writeUTF("Connect");
                output.writeUTF(s);
                e.getPlayer().sendPluginMessage(CloudServer.getInstance().getPlugin(), "BungeeCord", output.toByteArray());
            }
        }
    }
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
@EventHandler
public void handleInventoryClick(InventoryClickEvent e)
{
    if (!(e.getWhoClicked() instanceof Player)) return;

    if (inventories().contains(e.getInventory()) && e.getCurrentItem() != null && e.getSlot() == e.getRawSlot())
    {
        e.setCancelled(true);
        if (mobConfig.getItemLayout().getItemId() == e.getCurrentItem().getTypeId())
        {
            MobImpl mob = find(e.getInventory());
            if (mob.getServerPosition().containsKey(e.getSlot()))
            {
                if (CloudAPI.getInstance().getServerId().equalsIgnoreCase(mob.getServerPosition().get(e.getSlot()))) return;
                ByteArrayDataOutput byteArrayDataOutput = ByteStreams.newDataOutput();
                byteArrayDataOutput.writeUTF("Connect");
                byteArrayDataOutput.writeUTF(mob.getServerPosition().get(e.getSlot()));
                ((Player) e.getWhoClicked()).sendPluginMessage(CloudServer.getInstance().getPlugin(), "BungeeCord", byteArrayDataOutput.toByteArray());
            }
        }
    }
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
/**
 * Encodes a string in either UTF-8 or UTF-16 and returns the bytes of the encoded string.
 * Strings are prefixed by 2 values. The first is the number of characters in the string.
 * The second is the encoding length (number of bytes in the string).
 *
 * <p>Here's an example UTF-8-encoded string of ab©:
 * <pre>03 04 61 62 C2 A9 00</pre>
 *
 * @param str  The string to be encoded.
 * @param type The encoding type that the {@link ResourceString} should be encoded in.
 * @return The encoded string.
 */
public static byte[] encodeString(String str, Type type) {
    byte[] bytes = str.getBytes(type.charset());
    // The extra 5 bytes is for metadata (character count + byte count) and the NULL terminator.
    ByteArrayDataOutput output = ByteStreams.newDataOutput(bytes.length + 5);
    encodeLength(output, str.length(), type);
    if (type == Type.UTF8) {  // Only UTF-8 strings have the encoding length.
        encodeLength(output, bytes.length, type);
    }
    output.write(bytes);
    // NULL-terminate the string
    if (type == Type.UTF8) {
        output.write(0);
    } else {
        output.writeShort(0);
    }
    return output.toByteArray();
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
private static void encodeLength(ByteArrayDataOutput output, int length, Type type) {
    if (length < 0) {
        output.write(0);
        return;
    }
    if (type == Type.UTF8) {
        if (length > 0x7F) {
            output.write(((length & 0x7F00) >> 8) | 0x80);
        }
        output.write(length & 0xFF);
    } else {  // UTF-16
        // TODO(acornwall): Replace output with a little-endian output.
        if (length > 0x7FFF) {
            int highBytes = ((length & 0x7FFF0000) >> 16) | 0x8000;
            output.write(highBytes & 0xFF);
            output.write((highBytes & 0xFF00) >> 8);
        }
        int lowBytes = length & 0xFFFF;
        output.write(lowBytes & 0xFF);
        output.write((lowBytes & 0xFF00) >> 8);
    }
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
/**
 * Encodes a string in either UTF-8 or UTF-16 and returns the bytes of the encoded string.
 * Strings are prefixed by 2 values. The first is the number of characters in the string.
 * The second is the encoding length (number of bytes in the string).
 *
 * <p>Here's an example UTF-8-encoded string of ab©:
 * <pre>03 04 61 62 C2 A9 00</pre>
 *
 * @param str The string to be encoded.
 * @param type The encoding type that the {@link ResourceString} should be encoded in.
 * @return The encoded string.
 */
public static byte[] encodeString(String str, Type type) {
  byte[] bytes = str.getBytes(type.charset());
  // The extra 5 bytes is for metadata (character count + byte count) and the NULL terminator.
  ByteArrayDataOutput output = ByteStreams.newDataOutput(bytes.length + 5);
  encodeLength(output, str.length(), type);
  if (type == Type.UTF8) {  // Only UTF-8 strings have the encoding length.
    encodeLength(output, bytes.length, type);
  }
  output.write(bytes);
  // NULL-terminate the string
  if (type == Type.UTF8) {
    output.write(0);
  } else {
    output.writeShort(0);
  }
  return output.toByteArray();
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
private static void encodeLength(ByteArrayDataOutput output, int length, Type type) {
  if (length < 0) {
    output.write(0);
    return;
  }
  if (type == Type.UTF8) {
    if (length > 0x7F) {
      output.write(((length & 0x7F00) >> 8) | 0x80);
    }
    output.write(length & 0xFF);
  } else {  // UTF-16
    // TODO(acornwall): Replace output with a little-endian output.
    if (length > 0x7FFF) {
      int highBytes = ((length & 0x7FFF0000) >> 16) | 0x8000;
      output.write(highBytes & 0xFF);
      output.write((highBytes & 0xFF00) >> 8);
    }
    int lowBytes = length & 0xFFFF;
    output.write(lowBytes & 0xFF);
    output.write((lowBytes & 0xFF00) >> 8);
  }
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
public static void sendSignUpdateRequest(Game game) {
	ByteArrayDataOutput out = ByteStreams.newDataOutput();
	String name = SkyWarsReloaded.getCfg().getBungeeServer();
	try {
		out.writeUTF("Forward");
		out.writeUTF("ALL");
		out.writeUTF("SkyWarsReloaded");

		ByteArrayOutputStream msgbytes = new ByteArrayOutputStream();
		DataOutputStream msgout = new DataOutputStream(msgbytes);
		msgout.writeUTF(name + ":" + game.getState().toString() + ":" + Integer.toString(game.getPlayers().size()) + ":" + Integer.toString(game.getNumberOfSpawns()) + ":" + game.getMapName());

		out.writeShort(msgbytes.toByteArray().length);
		out.write(msgbytes.toByteArray());

		Bukkit.getServer().sendPluginMessage(SkyWarsReloaded.get(), "BungeeCord", out.toByteArray());
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
private String readLine() throws IOException {

        ByteArrayDataOutput out = ByteStreams.newDataOutput(300);
        int i = 0;
        int c;
        while ((c = raf.read()) != -1) {
            i++;
            out.write((byte) c);
            if (c == LINE_SEP.charAt(0)) {
                break;
            }
        }
        if (i == 0) {
            return null;
        }
        return new String(out.toByteArray(), Charsets.UTF_8);
    }
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
@Override
public void update() {
    Player player = Bukkit.getPlayer(playerData.getPlayerID());

    try {
        //Update SQL
        gameServiceManager.setPlayerSettings(playerData.getPlayerBean(), this);

        ByteArrayDataOutput out = ByteStreams.newDataOutput();
        //Comamnd type
        out.writeUTF("settingsChanges");
        //The player to refresh settings on bungee
        out.writeUTF(player.getUniqueId().toString());
        //Send data on network channel
        player.sendPluginMessage(APIPlugin.getInstance(), "Network", out.toByteArray());
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
public void sendVaultBalance(String playerName, double playerBalance)
{
	ByteArrayDataOutput out = ByteStreams.newDataOutput();
	out.writeUTF(ServerSync.vault.vaultSubchannel); //Vault Subchannel
	out.writeUTF(ServerSync.vault.economySubchannel); //Vault Economy Subchannel
	out.writeUTF("Balance"); //Operation
	out.writeUTF(ServerSync.bungeeServerName); //Server Name
	out.writeUTF(ServerSync.pluginVersion); //Client Version
	out.writeUTF(playerName); //Player name
	
	if (ServerSync.encryption.isEnabled())
	{
		out.writeUTF(ServerSync.encryption.encrypt(String.valueOf(playerBalance)));
	}
	else
	{
		out.writeUTF(Double.toString(playerBalance)+""); //Player balance
	}
	
	ServerSync.bungeeOutgoing.sendMessage(out, ServerSync.bungeePluginChannel);

	if (ServerSync.verbose)
	{
		Log.info(ServerSync.consolePrefix + "Vault - Balance update sent for " + ChatColor.YELLOW + playerName + " for $" + playerBalance);
	}
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
protected void sendPlayerGroups(OfflinePlayer player, String world, String groups)
{
	ByteArrayDataOutput out = ByteStreams.newDataOutput();
	out.writeUTF(ServerSync.vault.vaultSubchannel);
	out.writeUTF(ServerSync.vault.permissionSubchannel); //Vault Permission sub channel
	out.writeUTF("PlayerGroups"); //Operation
	out.writeUTF(ServerSync.bungeeServerName); //Server Name
	out.writeUTF(ServerSync.pluginVersion); //Client Version
	out.writeUTF(player.getUniqueId().toString()); //Player UUID
	out.writeUTF(world); //World
	out.writeUTF(groups); //Groups
	
	ServerSync.bungeeOutgoing.sendMessage(out, ServerSync.bungeePluginChannel);

	if (ServerSync.verbose)
	{
		Log.info(ServerSync.consolePrefix + "Vault - Permission group update sent for " + ChatColor.YELLOW + player.getName());
	}
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
public byte[] getData() {
    if (this.cache == null || this.dirty) {
        ByteArrayDataOutput output = ByteStreams.newDataOutput();
        output.write(toByteArray(blocks, pocketBlock -> (byte) pocketBlock.getId()));
        output.write(data.getRaw());
        output.write(lighting.getRaw());
        output.write(skylight.getRaw());
        output.write(height.getRaw());

        for (int i = 0; i < this.biomes.length; ++i) {
            byte r = this.biomeColors[i * 3];
            byte g = this.biomeColors[i * 3 + 1];
            byte b = this.biomeColors[i * 3 + 2];
            int color = r << 16 | g << 8 | b;
            output.writeInt(24 << this.biomes[i] | color & 0xffffff);
        }
        output.writeInt(0);

        this.dirty = false;
        this.cache = output.toByteArray();
    }
    return this.cache;
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
@Override
protected void sendMessage(String message) {
    new BukkitRunnable() {
        @Override
        public void run() {
            Collection<? extends Player> players = BungeeMessagingService.this.plugin.getServer().getOnlinePlayers();
            Player p = Iterables.getFirst(players, null);
            if (p == null) {
                return;
            }

            ByteArrayDataOutput out = ByteStreams.newDataOutput();
            out.writeUTF(message);

            byte[] data = out.toByteArray();

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

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
/** Writes a {@link ClassFile} to bytecode. */
public static byte[] writeClass(ClassFile classfile) {
  ConstantPool pool = new ConstantPool();
  ByteArrayDataOutput output = ByteStreams.newDataOutput();
  output.writeShort(classfile.access());
  output.writeShort(pool.classInfo(classfile.name()));
  output.writeShort(classfile.superName() != null ? pool.classInfo(classfile.superName()) : 0);
  output.writeShort(classfile.interfaces().size());
  for (String i : classfile.interfaces()) {
    output.writeShort(pool.classInfo(i));
  }
  output.writeShort(classfile.fields().size());
  for (ClassFile.FieldInfo f : classfile.fields()) {
    writeField(pool, output, f);
  }
  output.writeShort(classfile.methods().size());
  for (ClassFile.MethodInfo m : classfile.methods()) {
    writeMethod(pool, output, m);
  }
  writeAttributes(pool, output, LowerAttributes.classAttributes(classfile));
  return finishClass(pool, output);
}
 

import com.google.common.io.ByteArrayDataOutput; //導入依賴的package包/類
@Test
public void manyManyConstants() {
  ConstantPool pool = new ConstantPool();
  Map<Integer, String> entries = new LinkedHashMap<>();
  int i = 0;
  while (pool.nextEntry < 0xffff) {
    String value = "c" + i++;
    entries.put(pool.classInfo(value), value);
  }
  ByteArrayDataOutput bytes = ByteStreams.newDataOutput();
  ClassWriter.writeConstantPool(pool, bytes);
  ConstantPoolReader reader =
      ConstantPoolReader.readConstantPool(new ByteReader(bytes.toByteArray(), 0));
  for (Map.Entry<Integer, String> entry : entries.entrySet()) {
    assertThat(reader.classInfo(entry.getKey())).isEqualTo(entry.getValue());
  }
}