ForgePatch/src/main/java/net/minecraftforge/fml/common/ModContainerFactory.java

89 lines
3.2 KiB
Java

/*
* Minecraft Forge
* Copyright (c) 2016-2018.
*
* 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 version 2.1
* of the License.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.fml.common;
import java.io.File;
import java.lang.reflect.Constructor;
import java.util.Map;
import net.minecraftforge.fml.common.discovery.ModCandidate;
import net.minecraftforge.fml.common.discovery.asm.ASMModParser;
import net.minecraftforge.fml.loading.moddiscovery.ModAnnotation;
import org.objectweb.asm.Type;
import com.google.common.collect.Maps;
import javax.annotation.Nullable;
public class ModContainerFactory
{
public static Map<Type, Constructor<? extends ModContainer>> modTypes = Maps.newHashMap();
private static ModContainerFactory INSTANCE = new ModContainerFactory();
private ModContainerFactory() {
// We always know about Mod type
registerContainerType(Type.getType(Mod.class), FMLModContainer.class);
}
public static ModContainerFactory instance() {
return INSTANCE;
}
public void registerContainerType(Type type, Class<? extends ModContainer> container)
{
try
{
Constructor<? extends ModContainer> constructor = container.getConstructor(new Class<?>[] { String.class, ModCandidate.class, Map.class });
modTypes.put(type, constructor);
}
catch (Exception e)
{
throw new RuntimeException("Critical error : cannot register mod container type " + container.getName() + ", it has an invalid constructor", e);
}
}
@Nullable
public ModContainer build(ASMModParser modParser, File modSource, ModCandidate container)
{
String className = modParser.getASMType().getClassName();
for (ModAnnotation ann : modParser.getAnnotations())
{
if (modTypes.containsKey(ann.getASMType()))
{
FMLLog.log.debug("Identified a mod of type {} ({}) - loading", ann.getASMType(), className);
try {
ModContainer ret = modTypes.get(ann.getASMType()).newInstance(className, container, ann.getValues());
if (!ret.shouldLoadInEnvironment())
{
FMLLog.log.debug("Skipping mod {}, container opted to not load.", className);
return null;
}
return ret;
} catch (Exception e) {
FMLLog.log.error("Unable to construct {} container", ann.getASMType().getClassName(), e);
return null;
}
}
}
return null;
}
}