ZJinJaDecoration/src/main/java/com/zjinja/mcmod/decor/misc/I18NHandler.java

package com.zjinja.mcmod.decor.misc;

import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.zjinja.mcmod.decor.ZJinJaDecoration;
import net.minecraft.util.StringTranslate;
import org.apache.commons.io.Charsets;
import org.apache.commons.io.IOUtils;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.IllegalFormatException;
import java.util.Iterator;
import java.util.regex.Pattern;

public class I18NHandler {
    private static final Splitter equalSignSplitter = Splitter.on('=').limit(2);
    private static final Pattern numericVariablePattern = Pattern.compile("%(\\d+\\$)?[\\d\\.]*[df]");
    private HashMap<String,String> table = Maps.newHashMap();

    public I18NHandler(String locale){
        try {
            InputStream is = StringTranslate.class.getResourceAsStream(
                    String.format("/serverside/%s/i18n/%s.lang", ZJinJaDecoration.MODID, locale)
            );
            Iterator iterator = IOUtils.readLines(is, Charsets.UTF_8).iterator();
            while (iterator.hasNext())
            {
                String s = (String)iterator.next();
                if (!s.isEmpty() && s.charAt(0) != '#')
                {
                    String[] astring = (String[]) Iterables.toArray(equalSignSplitter.split(s), String.class);

                    if (astring != null && astring.length == 2)
                    {
                        String s1 = astring[0];
                        String s2 = numericVariablePattern.matcher(astring[1]).replaceAll("%$1s");
                        table.put(s1, s2);
                    }
                }
            }
            ZJinJaDecoration.logger.info(String.format("[zjinjadecoration-I18N] %d Locale Dictionary Items Loaded.\n",table.size()));
        }catch (IOException e){
            ZJinJaDecoration.logger.error(String.format("[zjinjadecoration] Error: Failed Load I18N Locale Resource: '%s'.\n",locale));
            e.printStackTrace();
        }
    }

    private String tryTranslateKey(String key)
    {
        String s1 = this.table.get(key);
        return s1 == null ? key : s1;
    }

    public synchronized boolean containsTranslateKey(String key)
    {
        return this.table.containsKey(key);
    }

    public synchronized String translateKeyFormat(String key, Object ... param)
    {
        String s1 = this.tryTranslateKey(key);

        try
        {
            return String.format(s1, param);
        }
        catch (IllegalFormatException illegalformatexception)
        {
            return "Format error: " + s1;
        }
    }

    public synchronized String translateKey(String key)
    {
        return this.tryTranslateKey(key);
    }
}