com.l2jfree.gameserver.datatables.SkillSpellbookTable.java Source code

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Here is the source code for com.l2jfree.gameserver.datatables.SkillSpellbookTable.java

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/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jfree.gameserver.datatables;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javolution.util.FastMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.l2jfree.Config;
import com.l2jfree.L2DatabaseFactory;
import com.l2jfree.gameserver.model.skills.L2Skill;

public class SkillSpellbookTable {
    private final static Log _log = LogFactory.getLog(SkillTreeTable.class);

    private final FastMap<Integer, Integer> _skillSpellbooks;

    public static SkillSpellbookTable getInstance() {
        return SingletonHolder._instance;
    }

    private SkillSpellbookTable() {
        _skillSpellbooks = new FastMap<Integer, Integer>().setShared(true);

        if (!Config.ALT_SP_BOOK_NEEDED)
            return;

        Connection con = null;

        try {
            con = L2DatabaseFactory.getInstance().getConnection(con);
            PreparedStatement statement = con.prepareStatement("SELECT skill_id, item_id FROM skill_spellbooks");
            ResultSet spbooks = statement.executeQuery();

            while (spbooks.next())
                _skillSpellbooks.put(spbooks.getInt("skill_id"), spbooks.getInt("item_id"));

            spbooks.close();
            statement.close();

            _log.info("SkillSpellbookTable: Loaded " + _skillSpellbooks.size() + " Spellbooks.");
        } catch (Exception e) {
            _log.warn("Error while loading spellbook data: ", e);
        } finally {
            L2DatabaseFactory.close(con);
        }
    }

    public int getBookForSkill(int skillId, int level) {
        if (skillId == L2Skill.SKILL_DIVINE_INSPIRATION && level != -1) {
            switch (level) {
            case 1:
                return 8618; // Ancient Book - Divine Inspiration (Modern Language Version)
            case 2:
                return 8619; // Ancient Book - Divine Inspiration (Original Language Version)
            case 3:
                return 8620; // Ancient Book - Divine Inspiration (Manuscript)
            case 4:
                return 8621; // Ancient Book - Divine Inspiration (Original Version)
            default:
                return -1;
            }
        }

        if (!Config.ALT_SP_BOOK_NEEDED)
            return -1;

        if (!_skillSpellbooks.containsKey(skillId))
            return -1;

        return _skillSpellbooks.get(skillId);
    }

    public int getBookForSkill(L2Skill skill) {
        return getBookForSkill(skill.getId(), -1);
    }

    public int getBookForSkill(L2Skill skill, int level) {
        return getBookForSkill(skill.getId(), level);
    }

    @SuppressWarnings("synthetic-access")
    private static class SingletonHolder {
        protected static final SkillSpellbookTable _instance = new SkillSpellbookTable();
    }
}