ASMUser.java

package org.unh0lytigg.circuitboards.base;

import java.lang.annotation.Annotation;
import java.util.Set;

import cpw.mods.fml.common.discovery.ASMDataTable;
import cpw.mods.fml.common.discovery.ASMDataTable.ASMData;

public class ASMUser {
	private static ASMDataTable table;
	public static void loadTable(ASMDataTable table) {
		ASMUser.table = table;
	}
	
	public static Set<ASMData> getData(Class<? extends Annotation> target) {
		return table.getAll(target.getName());
	}
}

BaseMod snippet.java

@Mod(modid="circuitboards-base", name="CircuitBoards", version="$version")
public class BaseMod {
	@Instance("circuitboards-base")
	public static BaseMod INSTANCE;
	@SidedProxy(clientSide="org.unh0lytigg.circuitboards.base.proxy.ProxyClient",serverSide="org.unh0lytigg.circuitboards.base.proxy.Proxy")
	public static Proxy PROXY;
	@LoggerInstance("CircuitBoards")
	public static Logger LOGGER;
	
	@EventHandler
	public void preinit(FMLPreInitializationEvent event) {
	    PROXY.preInit(event);
	}
	
	@EventHandler
	public void init(FMLInitializationEvent event) {
	    PROXY.init();
	}
	
	@EventHandler
	public void postinit(FMLPostInitializationEvent event) {
	    PROXY.postInit();
	}
}

Proxy snippet.java

    private void loadLoggers() {
        try {
            Set<ASMData> dataset = ASMUser.getData(LoggerInstance.class);
            System.out.println("Loggers: " + dataset.size());
            for (ASMData data : dataset) {
                String loggername = (String)data.getAnnotationInfo().get("value");
                Class<?> c = Class.forName(data.getClassName());
                Field f = ReflectionHelper.findField(c, data.getObjectName());
                if (!((f.getModifiers() & Modifier.STATIC) == Modifier.STATIC))
                    throw new IllegalStateException("Cannot set logger on non-static field");
                if (loggername == null) {
                    f.set(null, LogManager.getLogger(c.getName()));
                } else {
                    f.set(null, LogManager.getLogger(loggername));
                }
            }
        } catch (Exception e) { e.printStackTrace(); }
    }