001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.concurrent.Callable;
006    import net.minecraft.client.ClientBrandRetriever;
007    import net.minecraft.client.Minecraft;
008    
009    @SideOnly(Side.CLIENT)
010    public class CallableModded implements Callable
011    {
012        /** Reference to the Minecraft object. */
013        final Minecraft mc;
014    
015        public CallableModded(Minecraft par1Minecraft)
016        {
017            this.mc = par1Minecraft;
018        }
019    
020        /**
021         * Returns "Definitely" if the brand is not vanilla, "Very likely" if there are no signers for the Minecraft class,
022         * otherwise "Probably not".
023         */
024        public String getModded()
025        {
026            String var1 = ClientBrandRetriever.getClientModName();
027            return !var1.equals("vanilla") ? "Definitely; Client brand changed to \'" + var1 + "\'" : (Minecraft.class.getSigners() == null ? "Very likely; Jar signature invalidated" : "Probably not. Jar signature remains and client brand is untouched.");
028        }
029    
030        public Object call()
031        {
032            return this.getModded();
033        }
034    }