Android Open Source - droidcon Reddit Object Deserializer

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License

The source code is released under:

Apache License

Java Source Code

package com.timehop.droidcon2014retrofitsample.data.reddit;
//from  w  w  w  .  j  a v  a2 s. c o  m
import android.util.Log;

import com.google.gson.Gson;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.timehop.droidcon2014retrofitsample.data.reddit.model.RedditObject;
import com.timehop.droidcon2014retrofitsample.data.reddit.model.RedditObjectWrapper;

import java.lang.reflect.Type;

public class RedditObjectDeserializer implements JsonDeserializer<RedditObject> {
  public static final String TAG = RedditObjectDeserializer.class.getSimpleName();
  public static final String KIND = "kind";

  public RedditObject deserialize(JsonElement json, Type type, JsonDeserializationContext context)
      throws JsonParseException {
    if (!json.isJsonObject()) {
      // if there are no replies, we're given a String rather than an object
      return null;
    }
    try {
      RedditObjectWrapper wrapper = new Gson().fromJson(json, RedditObjectWrapper.class);
      return context.deserialize(wrapper.getData(), wrapper.getKind().getDerivedClass());
    } catch (JsonParseException e) {
      Log.e(TAG, "Failed to deserialize", e);
      return null;
    }
  }
}

Java Source Code List

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