对象的改造转换阵列GSON错误 [英] Retrofit convert array of objects to GSON Error

问题描述

我使用的改造，使返回对象的数组一个HTTP请求和我收到以下错误：

I am using Retrofit to make a HTTP request which returns an array of object and I am getting the following errors:

com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY

返回预期的反应是这样的：

The response returned is expected to be like this:

[ {key1: "value1", key2: "value2"}, {key1: "value1", key2: "value2"}, ... ]

我有以下类，序列化的数据：

I have the following class, for serializing the data:

public class data {
  private List<element> dataList;

  public List<element> getElements() {
   return dataList;
  }

  public class element {
    @SerializedName("key1")
    private String key1;

    @SerializedName("key2")
    private String key2;

    // Getters and Setters
  }
}

请让我知道如果您有任何意见。谢谢

Please let me know if you have any ideas. Thanks

推荐答案

该错误实际上是在我实施改造回调的。我的实现所期待的对象时应该期待在这种情况下，一个数组。感谢大家的帮助。

The error was actually in my implementation of Retrofit Callback. My implementation was expecting an object when it should be expecting an array in this case. Thanks everyone for the help.

在

//*****MyData*****//
public class MyData {
  private List<Data> dataList;

  public List<Data> getElements() {
   return dataList;
  }

  public class Data {
    @SerializedName("key1")
    private String key1;

    @SerializedName("key2")
    private String key2;

    // Getters and Setters
  }
}

//*****Callback Implementation*****//
public class MyDataCallback extends Callback {
   public MyDataCallback(MyDataCallbackListener<MyData> myDataCallbackListener) {
        super(myDataCallbackListener);
    }

    @Override
    public void success(MyData data, Response response) {
        if (myDataCallbackListener != null) {
            myDataCallbackListener.onCallbackComplete(true, response, MyDataCallback.CALLBACK_SUCCESS_MESSAGE, data);
        }
    }
}

之后

//*****Data*****//
public class Data {
    @SerializedName("key1")
    private String key1;

    @SerializedName("key2")
    private String key2;

    // Getters and Setters
}

//*****Callback Implementation*****//
public class MyDataCallback extends Callback {
   public MyDataCallback(MyDataCallbackListener<List<Data>> myDataCallbackListener) {
        super(myDataCallbackListener);
    }

    @Override
    public void success(List<Data> data, Response response) {
        if (myDataCallbackListener != null) {
            myDataCallbackListener.onCallbackComplete(true, response, MyDataCallback.CALLBACK_SUCCESS_MESSAGE, data);
        }
    }
}

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