StringTranslate.java

package net.minecraft.util;

import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;

import cpw.mods.fml.common.registry.LanguageRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.IllegalFormatException;
import java.util.Iterator;
import java.util.Map;
import java.util.regex.Pattern;
import org.apache.commons.io.Charsets;
import org.apache.commons.io.IOUtils;

public class StringTranslate
{
    /** Pattern that matches numeric variable placeholders in a resource string, such as "%d", "%3$d", "%.2f" */
    private static final Pattern numericVariablePattern = Pattern.compile("%(\\d+\\$)?[\\d\\.]*[df]");
    /** A Splitter that splits a string on the first "=".  For example, "a=b=c" would split into ["a", "b=c"]. */
    private static final Splitter equalSignSplitter = Splitter.on('=').limit(2);
    private final Map languageList;
    /** Is the private singleton instance of StringTranslate. */
    private static StringTranslate instance = new StringTranslate();
    /** The time, in milliseconds since epoch, that this instance was last updated */
    private long lastUpdateTimeInMilliseconds;
    private static final String __OBFID = "CL_00001212";

    public StringTranslate()
    {
        InputStream inputstream = StringTranslate.class.getResourceAsStream("/assets/minecraft/lang/en_US.lang");
        languageList = Maps.newHashMap();
        inject(this, inputstream);
    }

    public static void inject(InputStream inputstream)
    {
        inject(instance, inputstream);
    }

    private static void inject(StringTranslate inst, InputStream inputstream)
    {
        HashMap<String, String> map = parseLangFile(inputstream);
        inst.languageList.putAll(map);
        inst.lastUpdateTimeInMilliseconds = System.currentTimeMillis();
    }

    public static HashMap<String,String> parseLangFile(InputStream inputstream)
    {
        HashMap<String,String> table = Maps.newHashMap();
        try
        {
            Iterator iterator = IOUtils.readLines(inputstream, Charsets.UTF_8).iterator();

            while (iterator.hasNext())
            {
                String s = (String)iterator.next();

                if (!s.isEmpty() && s.charAt(0) != 35)
                {
                    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);
                    }
                }
            }

        }
        catch (Exception ioexception)
        {
            ;
        }
        return table;
    }

    /**
     * Return the StringTranslate singleton instance
     */
    static StringTranslate getInstance()
    {
        /** Is the private singleton instance of StringTranslate. */
        return instance;
    }

    @SideOnly(Side.CLIENT)

    /**
     * Replaces all the current instance's translations with the ones that are passed in.
     */
    public static synchronized void replaceWith(Map p_135063_0_)
    {
        instance.languageList.clear();
        instance.languageList.putAll(p_135063_0_);
        instance.lastUpdateTimeInMilliseconds = System.currentTimeMillis();
    }

    /**
     * Translate a key to current language.
     */
    public synchronized String translateKey(String p_74805_1_)
    {
        return this.tryTranslateKey(p_74805_1_);
    }

    /**
     * Translate a key to current language applying String.format()
     */
    public synchronized String translateKeyFormat(String p_74803_1_, Object ... p_74803_2_)
    {
        String s1 = this.tryTranslateKey(p_74803_1_);

        try
        {
            return String.format(s1, p_74803_2_);
        }
        catch (IllegalFormatException illegalformatexception)
        {
            return "Format error: " + s1;
        }
    }

    /**
     * Tries to look up a translation for the given key; spits back the key if no result was found.
     */
    private String tryTranslateKey(String p_135064_1_)
    {
        String s1 = (String)this.languageList.get(p_135064_1_);
        return s1 == null ? p_135064_1_ : s1;
    }

    /**
     * Returns true if the passed key is in the translation table.
     */
    public synchronized boolean isKeyTranslated(String p_94520_1_)
    {
        return this.languageList.containsKey(p_94520_1_);
    }

    /**
     * Gets the time, in milliseconds since epoch, that this instance was last updated
     */
    public long getLastUpdateTimeInMilliseconds()
    {
        return this.lastUpdateTimeInMilliseconds;
    }
}