co.marcin.novaguilds.enums.Lang.java Source code

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Here is the source code for co.marcin.novaguilds.enums.Lang.java

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/*
 *     NovaGuilds - Bukkit plugin
 *     Copyright (C) 2016 Marcin (CTRL) Wieczorek
 *
 *     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 co.marcin.novaguilds.enums;

import co.marcin.novaguilds.util.LoggerUtils;
import org.apache.commons.lang.StringUtils;
import org.bukkit.configuration.file.YamlConfiguration;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

public enum Lang {
    EN_EN, PL_PL, DE_DE, ZH_CN(Charset.forName("GBK")), CUSTOM;

    private Charset charset;

    /**
     * UTF-8 charset lang
     */
    Lang() {
        charset = Charset.forName("UTF-8");
    }

    /**
     * Charset specified lang
     *
     * @param charset the charset
     */
    Lang(Charset charset) {
        this.charset = charset;
    }

    /**
     * Gets the charset
     *
     * @return the charset
     */
    public Charset getCharset() {
        return charset;
    }

    /**
     * Sets the charset
     *
     * @param charset the charset
     */
    private void setCharset(Charset charset) {
        this.charset = charset;
    }

    /**
     * Load lang from a file
     *
     * @param file the file
     * @return the lang
     * @throws IOException
     */
    public static Lang fromFile(File file) throws IOException {
        try {
            String langName = StringUtils.replace(StringUtils.replace(file.getName().toUpperCase(), "-", "_"),
                    ".YML", "");
            return Lang.valueOf(langName);
        } catch (Exception e) {
            try (BufferedReader brTest = new BufferedReader(new FileReader(file))) {
                String line = brTest.readLine();

                if (line.startsWith("#")) {
                    line = line.substring(1);
                    LoggerUtils.info("Detected custom encoding for file " + file.getName() + ": " + line);
                    Lang lang = Lang.CUSTOM;
                    lang.setCharset(Charset.forName(line));
                    return lang;
                }

                LoggerUtils.info("Found custom translation, applying default translation UTF-8");
                LoggerUtils.info("Add #ENCODING to the first line of your language file");
                LoggerUtils.info("Please consider sharing your translation with the community");
            }
            return Lang.CUSTOM;
        }
    }

    /**
     * Load configuration with charset detecting
     *
     * @param file the file
     * @return the configuration
     * @throws IOException
     */
    public static YamlConfiguration loadConfiguration(File file) throws IOException {
        return YamlConfiguration.loadConfiguration(
                new InputStreamReader(new FileInputStream(file), Lang.fromFile(file).getCharset()));
    }
}