NBTConstants.java

package com.intellectualcrafters.jnbt;

import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

/**
 * A class which holds constant values.
 */
public final class NBTConstants {

    public static final Charset CHARSET = StandardCharsets.UTF_8;
    public static final int TYPE_END = 0, TYPE_BYTE = 1, TYPE_SHORT = 2, TYPE_INT = 3, TYPE_LONG = 4, TYPE_FLOAT = 5, TYPE_DOUBLE = 6,
            TYPE_BYTE_ARRAY = 7, TYPE_STRING = 8, TYPE_LIST = 9,
            TYPE_COMPOUND = 10, TYPE_INT_ARRAY = 11;

    /**
     * Default private constructor.
     */
    private NBTConstants() {}

    /**
     * Convert a type ID to its corresponding {@link Tag} class.
     *
     * @param id type ID
     *
     * @return tag class
     *
     * @throws IllegalArgumentException thrown if the tag ID is not valid
     */
    public static Class<? extends Tag> getClassFromType(int id) {
        switch (id) {
            case TYPE_END:
                return EndTag.class;
            case TYPE_BYTE:
                return ByteTag.class;
            case TYPE_SHORT:
                return ShortTag.class;
            case TYPE_INT:
                return IntTag.class;
            case TYPE_LONG:
                return LongTag.class;
            case TYPE_FLOAT:
                return FloatTag.class;
            case TYPE_DOUBLE:
                return DoubleTag.class;
            case TYPE_BYTE_ARRAY:
                return ByteArrayTag.class;
            case TYPE_STRING:
                return StringTag.class;
            case TYPE_LIST:
                return ListTag.class;
            case TYPE_COMPOUND:
                return CompoundTag.class;
            case TYPE_INT_ARRAY:
                return IntArrayTag.class;
            default:
                throw new IllegalArgumentException("Unknown tag type ID of " + id);
        }
    }
}