ValueWrappedInfoProvider.java

package com.hypixel.hytale.server.npc.sensorinfo;

import com.hypixel.hytale.server.npc.sensorinfo.parameterproviders.ParameterProvider;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ValueWrappedInfoProvider implements InfoProvider {
   @Nullable
   private final InfoProvider wrappedProvider;
   @Nonnull
   private final ParameterProvider parameterProvider;

   public ValueWrappedInfoProvider(@Nullable InfoProvider wrappedProvider, @Nonnull ParameterProvider parameterProvider) {
      this.wrappedProvider = wrappedProvider;
      this.parameterProvider = parameterProvider;
   }

   @Nullable
   public IPositionProvider getPositionProvider() {
      return this.wrappedProvider != null ? this.wrappedProvider.getPositionProvider() : null;
   }

   @Nullable
   public ParameterProvider getParameterProvider(int parameter) {
      ParameterProvider provider = this.parameterProvider.getParameterProvider(parameter);
      if (provider != null) {
         return provider;
      } else {
         return this.wrappedProvider != null ? this.wrappedProvider.getParameterProvider(parameter) : null;
      }
   }

   @Nullable
   public <E extends ExtraInfoProvider> E getExtraInfo(Class<E> clazz) {
      return (E)(this.wrappedProvider != null ? this.wrappedProvider.getExtraInfo(clazz) : null);
   }

   public <E extends ExtraInfoProvider> void passExtraInfo(E provider) {
      if (this.wrappedProvider != null) {
         this.wrappedProvider.passExtraInfo(provider);
      }

   }

   @Nullable
   public <E extends ExtraInfoProvider> E getPassedExtraInfo(Class<E> clazz) {
      return (E)(this.wrappedProvider != null ? this.wrappedProvider.getPassedExtraInfo(clazz) : null);
   }

   public boolean hasPosition() {
      return this.wrappedProvider != null && this.wrappedProvider.hasPosition();
   }
}