Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package teste.adapter; import java.lang.reflect.ParameterizedType; import java.util.List; import com.google.gson.Gson; import com.google.gson.TypeAdapter; import com.google.gson.TypeAdapterFactory; import com.google.gson.reflect.TypeToken; public class ArrayAdapterFactory implements TypeAdapterFactory { @SuppressWarnings({ "unchecked", "rawtypes" }) @Override public <T> TypeAdapter<T> create(final Gson gson, final TypeToken<T> type) { TypeAdapter<T> typeAdapter = null; try { if (type.getRawType() == List.class) typeAdapter = new ArrayAdapter( (Class) ((ParameterizedType) type.getType()).getActualTypeArguments()[0]); } catch (Exception e) { e.printStackTrace(); } return typeAdapter; } }