NBTUtils.java

/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package net.aufdemrand.denizen.nms.util.jnbt;

/**
 * A class which contains NBT-related utility methods.
 */
public final class NBTUtils {

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

    /**
     * Gets the type name of a tag.
     *
     * @param clazz the tag class
     * @return The type name.
     */
    public static String getTypeName(Class<? extends Tag> clazz) {
        if (clazz.equals(ByteArrayTag.class)) {
            return "TAG_Byte_Array";
        }
        else if (clazz.equals(ByteTag.class)) {
            return "TAG_Byte";
        }
        else if (CompoundTag.class.isAssignableFrom(clazz)) {
            return "TAG_Compound";
        }
        else if (clazz.equals(DoubleTag.class)) {
            return "TAG_Double";
        }
        else if (clazz.equals(EndTag.class)) {
            return "TAG_End";
        }
        else if (clazz.equals(FloatTag.class)) {
            return "TAG_Float";
        }
        else if (clazz.equals(IntTag.class)) {
            return "TAG_Int";
        }
        else if (clazz.equals(ListTag.class)) {
            return "TAG_List";
        }
        else if (clazz.equals(LongTag.class)) {
            return "TAG_Long";
        }
        else if (clazz.equals(ShortTag.class)) {
            return "TAG_Short";
        }
        else if (clazz.equals(StringTag.class)) {
            return "TAG_String";
        }
        else if (clazz.equals(IntArrayTag.class)) {
            return "TAG_Int_Array";
        }
        else {
            throw new IllegalArgumentException("Invalid tag class ("
                    + clazz.getName() + ").");
        }
    }

    /**
     * Gets the type code of a tag class.
     *
     * @param clazz the tag class
     * @return The type code.
     * @throws IllegalArgumentException if the tag class is invalid.
     */
    public static int getTypeCode(Class<? extends Tag> clazz) {
        if (clazz.equals(ByteArrayTag.class)) {
            return NBTConstants.TYPE_BYTE_ARRAY;
        }
        else if (clazz.equals(ByteTag.class)) {
            return NBTConstants.TYPE_BYTE;
        }
        else if (CompoundTag.class.isAssignableFrom(clazz)) {
            return NBTConstants.TYPE_COMPOUND;
        }
        else if (clazz.equals(DoubleTag.class)) {
            return NBTConstants.TYPE_DOUBLE;
        }
        else if (clazz.equals(EndTag.class)) {
            return NBTConstants.TYPE_END;
        }
        else if (clazz.equals(FloatTag.class)) {
            return NBTConstants.TYPE_FLOAT;
        }
        else if (clazz.equals(IntTag.class)) {
            return NBTConstants.TYPE_INT;
        }
        else if (clazz.equals(ListTag.class)) {
            return NBTConstants.TYPE_LIST;
        }
        else if (clazz.equals(LongTag.class)) {
            return NBTConstants.TYPE_LONG;
        }
        else if (clazz.equals(ShortTag.class)) {
            return NBTConstants.TYPE_SHORT;
        }
        else if (clazz.equals(StringTag.class)) {
            return NBTConstants.TYPE_STRING;
        }
        else if (clazz.equals(IntArrayTag.class)) {
            return NBTConstants.TYPE_INT_ARRAY;
        }
        else {
            throw new IllegalArgumentException("Invalid tag class ("
                    + clazz.getName() + ").");
        }
    }

    /**
     * Gets the class of a type of tag.
     *
     * @param type the type
     * @return The class.
     * @throws IllegalArgumentException if the tag type is invalid.
     */
    public static Class<? extends Tag> getTypeClass(int type) {
        switch (type) {
            case NBTConstants.TYPE_END:
                return EndTag.class;
            case NBTConstants.TYPE_BYTE:
                return ByteTag.class;
            case NBTConstants.TYPE_SHORT:
                return ShortTag.class;
            case NBTConstants.TYPE_INT:
                return IntTag.class;
            case NBTConstants.TYPE_LONG:
                return LongTag.class;
            case NBTConstants.TYPE_FLOAT:
                return FloatTag.class;
            case NBTConstants.TYPE_DOUBLE:
                return DoubleTag.class;
            case NBTConstants.TYPE_BYTE_ARRAY:
                return ByteArrayTag.class;
            case NBTConstants.TYPE_STRING:
                return StringTag.class;
            case NBTConstants.TYPE_LIST:
                return ListTag.class;
            case NBTConstants.TYPE_COMPOUND:
                return CompoundTag.class;
            case NBTConstants.TYPE_INT_ARRAY:
                return IntArrayTag.class;
            default:
                throw new IllegalArgumentException("Invalid tag type : " + type
                        + ".");
        }
    }
}