001package cpw.mods.fml.common;
002
003import java.io.File;
004import java.util.regex.Pattern;
005
006import org.objectweb.asm.Type;
007
008import cpw.mods.fml.common.discovery.ModCandidate;
009import cpw.mods.fml.common.discovery.asm.ASMModParser;
010import cpw.mods.fml.common.discovery.asm.ModAnnotation;
011import cpw.mods.fml.common.modloader.ModLoaderModContainer;
012
013public class ModContainerFactory
014{
015    private static Pattern modClass = Pattern.compile(".*(\\.|)(mod\\_[^\\s$]+)$");
016    private static ModContainerFactory INSTANCE = new ModContainerFactory();
017    public static ModContainerFactory instance() {
018        return INSTANCE;
019    }
020    public ModContainer build(ASMModParser modParser, File modSource, ModCandidate container)
021    {
022        String className = modParser.getASMType().getClassName();
023        if (modParser.isBaseMod(container.getRememberedBaseMods()) && modClass.matcher(className).find())
024        {
025            FMLLog.fine("Identified a BaseMod type mod %s", className);
026            return new ModLoaderModContainer(className, modSource, modParser.getBaseModProperties());
027        }
028        else if (modClass.matcher(className).find())
029        {
030            FMLLog.fine("Identified a class %s following modloader naming convention but not directly a BaseMod or currently seen subclass", className);
031            container.rememberModCandidateType(modParser);
032        }
033        else if (modParser.isBaseMod(container.getRememberedBaseMods()))
034        {
035            FMLLog.fine("Found a basemod %s of non-standard naming format", className);
036            container.rememberBaseModType(className);
037        }
038
039        // We warn if it's not a basemod instance -- compatibility requires it to be in net.minecraft.src *sigh*
040        if (className.startsWith("net.minecraft.src.") && container.isClasspath() && !container.isMinecraftJar())
041        {
042            FMLLog.severe("FML has detected a mod that is using a package name based on 'net.minecraft.src' : %s. This is generally a severe programming error. "
043                    + " There should be no mod code in the minecraft namespace. MOVE YOUR MOD! If you're in eclipse, select your source code and 'refactor' it into "
044                    + "a new package. Go on. DO IT NOW!",className);
045        }
046
047        for (ModAnnotation ann : modParser.getAnnotations())
048        {
049            if (ann.getASMType().equals(Type.getType(Mod.class)))
050            {
051                FMLLog.fine("Identified an FMLMod type mod %s", className);
052                return new FMLModContainer(className, modSource, ann.getValues());
053            }
054        }
055
056        return null;
057    }
058}