package com.google.gson.internal.bind;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.internal..Gson.Types;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.lang.reflect.Array;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

public final class ArrayTypeAdapter<E> extends TypeAdapter<Object>
{
  public static final TypeAdapterFactory FACTORY = new TypeAdapterFactory()
  {
    public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
      Type type = typeToken.getType();
      if ((!(type instanceof GenericArrayType)) && ((!(type instanceof Class)) || (!((Class)type).isArray()))) {
        return null;
      }

      Type componentType = .Gson.Types.getArrayComponentType(type);
      TypeAdapter componentTypeAdapter = gson.getAdapter(TypeToken.get(componentType));
      return new ArrayTypeAdapter(gson, componentTypeAdapter, .Gson.Types.getRawType(componentType));
    }
  };
  private final Class<E> componentType;
  private final TypeAdapter<E> componentTypeAdapter;

  public ArrayTypeAdapter(Gson context, TypeAdapter<E> componentTypeAdapter, Class<E> componentType) {
    this.componentTypeAdapter = new TypeAdapterRuntimeTypeWrapper(context, componentTypeAdapter, componentType);

    this.componentType = componentType;
  }

  public Object read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
      in.nextNull();
      return null;
    }

    List list = new ArrayList();
    in.beginArray();
    while (in.hasNext()) {
      Object instance = this.componentTypeAdapter.read(in);
      list.add(instance);
    }
    in.endArray();
    Object array = Array.newInstance(this.componentType, list.size());
    for (int i = 0; i < list.size(); i++) {
      Array.set(array, i, list.get(i));
    }
    return array;
  }

  public void write(JsonWriter out, Object array) throws IOException
  {
    if (array == null) {
      out.nullValue();
      return;
    }

    out.beginArray();
    int i = 0; for (int length = Array.getLength(array); i < length; i++) {
      Object value = Array.get(array, i);
      this.componentTypeAdapter.write(out, value);
    }
    out.endArray();
  }
}