NBTMetadataStore.java 文件源码

/**
 * A helper method to convert a tag directly to a MetadataValue.
 *
 * @param plugin The owning plugin
 * @param tag The tag to convert
 * @return A new MetadataValue object, or null if the tag could not be converted
 */
public static PersistentMetadataValue convertToMetadata(Plugin plugin, NBTBase tag) {
    if (plugin == null || tag == null) return null;

    Object converted = convert(tag);
    // Note that we don't currently export arrays as metadata
    if (converted instanceof String) {
        return new PersistentMetadataValue(plugin, (String)converted);
    } else if (converted instanceof Integer) {
        return new PersistentMetadataValue(plugin, (Integer)converted);
    } else if (converted instanceof Short) {
        return new PersistentMetadataValue(plugin, (Short)converted);
    } else if (converted instanceof Byte) {
        return new PersistentMetadataValue(plugin, (Byte)converted);
    } else if (converted instanceof Long) {
        return new PersistentMetadataValue(plugin, (Long)converted);
    } else if (converted instanceof Float) {
        return new PersistentMetadataValue(plugin, (Float)converted);
    } else if (converted instanceof Double) {
        return new PersistentMetadataValue(plugin, (Double)converted);
    } else if (converted instanceof Map) {
        return new PersistentMetadataValue(plugin, (Map<String, ?>)converted);
    } else if (converted instanceof List) {
        return new PersistentMetadataValue(plugin, (List<?>)converted);
    } else if (converted instanceof ConfigurationSerializable) {
        return new PersistentMetadataValue(plugin, (ConfigurationSerializable)converted);
    }

    return null;
}