de.doncarnage.minecraft.baseplugin.util.ItemUtil.java Source code

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Here is the source code for de.doncarnage.minecraft.baseplugin.util.ItemUtil.java

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/*
 *     BasePlugin
 *   Copyright (C) 2014 Viciouss <http://www.doncarnage.de>
 *
 *   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 library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 *   USA
 */

package de.doncarnage.minecraft.baseplugin.util;

import com.google.common.base.Preconditions;
import org.apache.commons.lang.StringUtils;
import org.bukkit.Material;
import org.bukkit.material.MaterialData;

public class ItemUtil {

    private static final String ITEM_SPLITTER = ":";

    private ItemUtil() {

    }

    /**
     * Returns the corresponding item for the given item and sub string.
     *
     * @param item the wanted item, e.g. log or step
     * @param sub  the data byte of the material
     * @return a {@link MaterialData} instance reflecting this item
     */
    @SuppressWarnings("deprecation")
    public static MaterialData getMaterialDataByString(String item, String sub) {
        Preconditions.checkNotNull(item);
        Material mat = Material.getMaterial(item.toUpperCase());
        if (mat == null) {
            return null;
        }
        MaterialData matData = new MaterialData(mat);
        if (!StringUtils.isBlank(sub)) {
            try {
                matData.setData(Byte.parseByte(sub));
            } catch (NumberFormatException nfe) {
                return null;
            }
        }
        return matData;
    }

    /**
     * Returns a MaterialData object of the given item string.
     *
     * @param item the item name as string
     * @return a {@link MaterialData} instance
     */
    public static MaterialData getMaterialDataByString(String item) {
        Preconditions.checkNotNull(item);
        if (!item.contains(ITEM_SPLITTER)) {
            return getMaterialDataByString(item, null);
        }
        String[] block = item.split(ITEM_SPLITTER);
        if (block.length > 2) {
            return null;
        } else if (block.length == 2) {
            return ItemUtil.getMaterialDataByString(block[0], block[1]);
        } else if (block.length == 1) {
            return ItemUtil.getMaterialDataByString(block[0]);
        }
        return null;
    }

    /**
     * Returns the item string of a MaterialData object as string.
     *
     * @param md the {@link MaterialData} for which the string should be looked up
     * @return the string representing the {@link MaterialData} object
     */
    @SuppressWarnings("deprecation")
    public static String getItemStringFromMaterialData(MaterialData md) {
        return String.format("%s%s", md.getItemType().name(),
                md.getData() != 0 ? ":" + Byte.toString(md.getData()) : "");
    }
}