Java Validate類代碼示例

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
public List<String> tabComplete(CommandSender sender, String alias, String[] args)
{
    Validate.notNull(sender, "Sender cannot be null");
    Validate.notNull(args, "Arguments cannot be null");
    Validate.notNull(alias, "Alias cannot be null");

    if (args.length == 1)
    {
        return StringUtil.copyPartialMatches(args[0], COMMANDS, new ArrayList<String>(COMMANDS.size()));
    }
    if (((args.length == 2) && "get".equalsIgnoreCase(args[0])) || "set".equalsIgnoreCase(args[0]))
    {
        return StringUtil.copyPartialMatches(args[1], MinecraftServer.getServer().tileEntityConfig.getSettings().keySet(), new ArrayList<String>(MinecraftServer.getServer().tileEntityConfig.getSettings().size()));
    }

    return ImmutableList.of();
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * Enables NameTagChanger and creates necessary packet handlers.
 * Is done automatically by the constructor, so only use this method
 * if the disable() method has previously been called.
 */
public void enable() {
    if (plugin == null) {
        return;
    }
    if (!ReflectUtil.isVersionHigherThan(1, 7, 10)) {
        printMessage("NameTagChanger has detected that you are running 1.7 or lower. This probably means that NameTagChanger will not work or throw errors, but you are still free to try and use it.\nIf you are not a developer, please consider contacting the developer of " + plugin.getName() + " and informing them about this message.");
    }
    ConfigurationSerialization.registerClass(Skin.class);
    Validate.isTrue(!enabled, "NameTagChanger is already enabled");
    if (Bukkit.getPluginManager().getPlugin("ProtocolLib") != null) {
        packetHandler = new ProtocolLibPacketHandler(plugin);
    } else {
        packetHandler = new ChannelPacketHandler(plugin);
    }
    enabled = true;
    Metrics metrics = new Metrics(plugin);
    metrics.addCustomChart(new Metrics.SimplePie("packet_implementation", () -> packetHandler instanceof ProtocolLibPacketHandler ? "ProtocolLib" : "ChannelInjector"));
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
public void sendSignChange(Location loc, String[] lines) {
    if (getHandle().playerNetServerHandler == null) {
        return;
    }

    if (lines == null) {
        lines = new String[4];
    }

    Validate.notNull(loc, "Location can not be null");
    if (lines.length < 4) {
        throw new IllegalArgumentException("Must have at least 4 lines");
    }

    // Limit to 15 chars per line and set null lines to blank
    String[] astring = CraftSign.sanitizeLines(lines);

    getHandle().playerNetServerHandler.sendPacket(new S33PacketUpdateSign(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), astring));
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * Construct a new ParticleShapeDefinition with a given location, and mathmatical equations
 * for both the x and z axis
 * 
 * @param initialLocation the initial starting location
 * @param xExpression the expression for the x axis
 * @param zExpression the expression for the y axis
 */
public ParticleShapeDefinition(Location initialLocation, String xExpression, String zExpression) {
	Validate.notNull(initialLocation, "Null initial locations are not supported");
	Validate.notEmpty(xExpression, "The x axis expression cannot be null or empty");
	Validate.notEmpty(zExpression, "The z axis expression cannot be null or empty");
	
	this.variables.put("x", 0.0);
	this.variables.put("z", 0.0);
	this.variables.put("t", 0.0);
	this.variables.put("theta", 0.0);
	
	this.initialLocation = initialLocation;
	this.world = initialLocation.getWorld();
	this.xExpression = MathUtils.parseExpression(xExpression, variables);
	this.zExpression = MathUtils.parseExpression(zExpression, variables);
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
public void hidePlayer(Player player) {
    Validate.notNull(player, "hidden player cannot be null");
    if (getHandle().playerNetServerHandler == null) return;
    if (equals(player)) return;
    if (hiddenPlayers.contains(player.getUniqueId())) return;
    hiddenPlayers.add(player.getUniqueId());

    //remove this player from the hidden player's EntityTrackerEntry
    net.minecraft.entity.EntityTracker tracker = ((net.minecraft.world.WorldServer) entity.worldObj).theEntityTracker;
    net.minecraft.entity.player.EntityPlayerMP other = ((CraftPlayer) player).getHandle();
    net.minecraft.entity.EntityTrackerEntry entry = (net.minecraft.entity.EntityTrackerEntry) tracker.trackedEntityIDs.lookup(other.getEntityId());
    if (entry != null) {
        entry.removePlayerFromTracker(getHandle());
    }

    //remove the hidden player from this player user list
    getHandle().playerNetServerHandler.sendPacket(new net.minecraft.network.play.server.S38PacketPlayerListItem(player.getPlayerListName(), false, 9999));
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * @param email Mail of the new user.
 * @param username Username of the new user.
 * @param first_name First name of the new user.
 * @param last_name Last name of the new user.
 * @param password Password of the new user OPTIONAL. (Leave blank will be generated by the panel randomly)
 * @param root_admin Set the root admin role of the new user.
 * @return if success it return the ID of the new user.
 */
public String createNode(String email, String username, String first_name, String last_name, String password, boolean root_admin){
	Validate.notEmpty(email, "The MAIL is required");
	Validate.notEmpty(username, "The USERNAME is required");
	Validate.notEmpty(first_name, "The FIRST_NAME is required");
	Validate.notEmpty(last_name, "The LAST_NAME is required");
	Validate.notNull(root_admin, "The ROOT_ADMIN Boolean is required");
	int admin = (root_admin) ? 1 : 0;
	return call(main.getMainURL() + Methods.USERS_CREATE_USER.getURL(), 
			"email="+email+
			"&username="+username+
			"&name_first="+first_name+
			"&name_last="+last_name+
			"&password="+password+
			"&root_admin="+admin);
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
public void addEffects(FireworkEffect...effects) {
    Validate.notNull(effects, "Effects cannot be null");
    if (effects.length == 0) {
        return;
    }

    List<FireworkEffect> list = this.effects;
    if (list == null) {
        list = this.effects = new ArrayList<FireworkEffect>();
    }

    for (FireworkEffect effect : effects) {
        Validate.notNull(effect, "Effect cannot be null");
        list.add(effect);
    }
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * 循環向上轉型, 獲取對象的DeclaredMethod,並強製設置為可訪問.
 * 如向上轉型到Object仍無法找到, 返回null.
 * 匹配函數名+參數類型。
 * <p>
 * 用於方法需要被多次調用的情況. 先使用本函數先取得Method,然後調用Method.invoke(Object obj, Object... args)
 */
public static Method getAccessibleMethod(final Object obj, final String methodName,
                                         final Class<?>... parameterTypes) {
    Validate.notNull(obj, "object can't be null");
    Validate.notEmpty(methodName, "methodName can't be blank");

    for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass()) {
        try {
            Method method = searchType.getDeclaredMethod(methodName, parameterTypes);
            makeAccessible(method);
            return method;
        } catch (NoSuchMethodException e) {
            // Method不在當前類定義,繼續向上轉型
            continue;// new add
        }
    }
    return null;
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
public boolean removeCustomEffect(PotionEffectType type) {
    Validate.notNull(type, "Potion effect type must not be null");

    if (!hasCustomEffects()) {
        return false;
    }

    boolean changed = false;
    Iterator<PotionEffect> iterator = customEffects.iterator();
    while (iterator.hasNext()) {
        PotionEffect effect = iterator.next();
        if (effect.getType() == type) {
            iterator.remove();
            changed = true;
        }
    }
    return changed;
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
public org.bukkit.BanEntry addBan(String target, String reason, Date expires, String source) {
    Validate.notNull(target, "Ban target cannot be null");

    GameProfile profile = MinecraftServer.getServer().func_152358_ax().func_152655_a(target);
    if (profile == null) {
        return null;
    }

    UserListBansEntry entry = new UserListBansEntry(profile, new Date(),
            StringUtils.isBlank(source) ? null : source, expires,
            StringUtils.isBlank(reason) ? null : reason);

    list.func_152687_a(entry);

    try {
        list.func_152678_f();
    } catch (IOException ex) {
        MinecraftServer.getLogger().error("Failed to save banned-players.json, " + ex.getMessage());
    }

    return new CraftProfileBanEntry(profile, entry, list);
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
@Deprecated
public Player getPlayer(final String name) {
    Validate.notNull(name, "Name cannot be null");

    Player found = null;
    String lowerName = name.toLowerCase();
    int delta = Integer.MAX_VALUE;
    for (Player player : getOnlinePlayers()) {
        if (player.getName().toLowerCase().startsWith(lowerName)) {
            int curDelta = player.getName().length() - lowerName.length();
            if (curDelta < delta) {
                found = player;
                delta = curDelta;
            }
            if (curDelta == 0) break;
        }
    }
    return found;
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
@Deprecated
public List<Player> matchPlayer(String partialName) {
    Validate.notNull(partialName, "PartialName cannot be null");

    List<Player> matchedPlayers = new ArrayList<Player>();

    for (Player iterPlayer : this.getOnlinePlayers()) {
        String iterPlayerName = iterPlayer.getName();

        if (partialName.equalsIgnoreCase(iterPlayerName)) {
            // Exact match
            matchedPlayers.clear();
            matchedPlayers.add(iterPlayer);
            break;
        }
        if (iterPlayerName.toLowerCase().contains(partialName.toLowerCase())) {
            // Partial match
            matchedPlayers.add(iterPlayer);
        }
    }

    return matchedPlayers;
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
@Override
public boolean dispatchCommand(CommandSender sender, String commandLine) {
    Validate.notNull(sender, "Sender cannot be null");
    Validate.notNull(commandLine, "CommandLine cannot be null");

    if (commandMap.dispatch(sender, commandLine)) {
        return true;
    }

    // Cauldron start - handle vanilla commands called from plugins
    if(sender instanceof ConsoleCommandSender) {
        craftCommandMap.setVanillaConsoleSender(this.console);
    }
        
    return this.dispatchVanillaCommand(sender, commandLine);
    // Cauldron end
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * Apply this templates data to an EnderDragonBattle object
 * 
 * @param nmsAbstract an instance of the NMSAbstract interface
 * @param dragon the dragon to modify
 * @param battle the battle to modify
 */
public void applyToBattle(NMSAbstract nmsAbstract, EnderDragon dragon, DragonBattle battle) {
	Validate.notNull(nmsAbstract, "Instance of NMSAbstract cannot be null. See DragonEggDrop#getNMSAbstract()");
	Validate.notNull(dragon, "Ender Dragon cannot be null");
	Validate.notNull(battle, "Instance of DragonBattle cannot be null");
	
	if (name != null) {
		dragon.setCustomName(name);
		battle.setBossBarTitle(name);
	}
	
	battle.setBossBarStyle(barStyle, barColour);
	this.attributes.forEach((a, v) -> {
		AttributeInstance attribute = dragon.getAttribute(a);
		if (attribute != null) {
			attribute.setBaseValue(v);
		}
	});
	
	// Set health... max health attribute doesn't do that for me. -,-
	if (attributes.containsKey(Attribute.GENERIC_MAX_HEALTH)) {
		dragon.setHealth(attributes.get(Attribute.GENERIC_MAX_HEALTH));
	}
}
 

import org.apache.commons.lang.Validate; //導入依賴的package包/類
/**
 * @param cargo            cargo
 * @param completionTime   completion time, the reported time that the event actually happened (e.g. the receive took place).
 * @param registrationTime registration time, the time the message is received
 * @param type             type of event
 * @param location         where the event took place
 */
public HandlingEvent(final Cargo cargo,
                     final Date completionTime,
                     final Date registrationTime,
                     final HandlingEventType type,
                     final Location location) {
    Validate.notNull(cargo, "Cargo is required");
    Validate.notNull(completionTime, "Completion time is required");
    Validate.notNull(registrationTime, "Registration time is required");
    Validate.notNull(type, "Handling event type is required");
    Validate.notNull(location, "Location is required");

    if (type.requiresVoyage()) {
        throw new IllegalArgumentException("Voyage is required for event type " + type);
    }

    this.completionTime = (Date) completionTime.clone();
    this.registrationTime = (Date) registrationTime.clone();
    this.type = type;
    this.location = location;
    this.cargo = cargo;
    this.voyage = null;
}