zotmc.collect.forge.McCollectInit.java Source code

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Here is the source code for zotmc.collect.forge.McCollectInit.java

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/*
 * Copyright (c) 2014, Zothf, All rights reserved.
 * 
 * This library 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 3.0 of the License, or (at your option) any later version.
 * 
 * This library 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.
 */

package zotmc.collect.forge;

import static java.util.Locale.ENGLISH;
import static org.apache.logging.log4j.Level.ERROR;
import static zotmc.collect.forge.McCollectInit.MODID;
import static zotmc.collect.forge.McCollectInit.NAME;

import java.io.File;
import java.io.InputStreamReader;
import java.util.Map;
import java.util.Map.Entry;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import javax.script.ScriptException;

import net.minecraftforge.common.ForgeModContainer;
import net.minecraftforge.oredict.RecipeSorter;
import zotmc.collect.delegate.Enumerable;

import com.google.common.base.Charsets;
import com.google.common.base.Joiner;
import com.google.common.collect.Maps;
import com.google.common.io.CharStreams;
import com.google.common.io.Closer;
import com.google.common.io.Files;

import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.FMLLog;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.event.FMLLoadCompleteEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;

@Mod(modid = MODID, name = NAME, version = "0.1.0.1-1.7.2", dependencies = "before:*;")
public class McCollectInit {
    public static final String MODID = "mccollect", NAME = "McCollect";

    @Instance(MODID)
    public static McCollectInit instance;

    private Map<String, String> scripts = Maps.newLinkedHashMap();

    public boolean isScriptsLoaded() {
        return scripts == null;
    }

    @EventHandler
    public void preInit(FMLPreInitializationEvent event) {
        try {
            File dir = new File(event.getModConfigurationDirectory(), MODID);

            if (dir.exists() && !dir.isDirectory())
                dir.delete();
            dir.mkdirs();

            Joiner slash = Joiner.on('/');

            for (File f : dir.listFiles())
                try {
                    String fn = f.getName();

                    if (fn.toLowerCase(ENGLISH).endsWith(".js"))
                        scripts.put(fn, Files.toString(f, Charsets.UTF_8));

                    else if (fn.toLowerCase(ENGLISH).endsWith(".zip")) {
                        Closer closer = Closer.create();

                        try {
                            ZipFile zf = new ZipFile(f);
                            closer.register(zf);

                            for (ZipEntry ze : Enumerable.forZipFile(zf))
                                if (ze.getName().toLowerCase(ENGLISH).endsWith(".js")) {
                                    String zen = slash.join(fn, ze.getName());

                                    try {
                                        scripts.put(zen, CharStreams.toString(
                                                new InputStreamReader(zf.getInputStream(ze), Charsets.UTF_8)));

                                    } catch (Exception e) {
                                        FMLLog.log(ERROR, e, "[%s] An error occurred while reading a file: %s",
                                                NAME, zen);
                                    }
                                }

                        } catch (Exception e) {
                            throw e;
                        } finally {
                            closer.close();
                        }
                    }

                } catch (Exception e) {
                    FMLLog.log(ERROR, e, "[%s] An error occurred while reading a file: %s", NAME, f.getName());
                }

        } catch (Exception e) {
            FMLLog.log(ERROR, e, "[%s] An error occurred while trying to access the setting files!", NAME);
        }

    }

    @EventHandler
    public void onLoadComplete(FMLLoadCompleteEvent event) {
        Engine engine = Engine.prepareEngine();

        if (engine == null && scripts.size() > 0)
            throw new RuntimeException("Neither one of the required JavaScript engines Rhino or Nashorn presents.");

        for (Entry<String, String> entry : scripts.entrySet())
            try {
                engine.getScriptEngine().eval(entry.getValue());

            } catch (ScriptException e) {
                FMLLog.severe("[%s] Catched an exception during the the execution of %s", NAME, entry.getKey());
                e.printStackTrace();

                FMLCommonHandler.instance().raiseException(e, "Error in scripts", true);
            }

        engine.reset();
        scripts = null;

        if (ForgeModContainer.shouldSortRecipies)
            RecipeSorter.sortCraftManager();

    }

}