Gson Deserializer test

DetailDeserializer.java

package com.zala.utils.json;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.zala.model.base.Location;
import com.zala.model.base.Venue;

import java.lang.reflect.Type;

/**
 * Created by laaptu on 6/12/15.
 */
public class DetailDeserializer implements JsonDeserializer<Venue> {
    //http://stackoverflow.com/questions/6096940/how-do-i-write-a-custom-json-deserializer-for-gson
    //http://stackoverflow.com/questions/24362254/gson-is-it-possible-to-modify-the-parsed-data-while-mapping-on-the-given-class

    @Override
    public Venue deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
        Venue venue = new Venue();
        JsonObject jsonObject = (JsonObject) json;
        venue.id = jsonObject.get("id").getAsLong();
        venue.name = jsonObject.get("name").getAsString();
        venue.url = jsonObject.get("link").getAsString();
        JsonObject locationObject = jsonObject.getAsJsonObject("location");
        venue.location = new Location();
        venue.location.address = locationObject.get("address").getAsString();
        venue.location.address = "Santu Rocks !";
        venue.location.latitude = locationObject.get("latitude").getAsDouble();
        venue.location.longitude = locationObject.get("longitude").getAsDouble();
        return venue;
    }
}

Utils.java

public static Venue getDetailsWithSerializer(Context context){
        Venue venue = new Venue();
        String fileData = getStringFromAssests(context,"details.json");
        if (fileData != null) {
            Gson gson = new GsonBuilder().registerTypeAdapter(Venue.class,new DetailDeserializer()).create();
            venue = gson.fromJson(fileData, Venue.class);
        }
        return venue;
}

public static String getStringFromAssests(Context context, String fileName) {
        InputStream is = null;
        try {
            is = context.getAssets().open(fileName);
            int size = is.available();
            byte[] buffer = new byte[size];
            is.read(buffer);
            is.close();
            String bufferString = new String(buffer);
            return bufferString;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;

    }

Venue.java

package com.zala.model.base;

import android.os.Parcel;
import android.os.Parcelable;

import com.google.gson.annotations.SerializedName;
import com.zala.model.response.OpeningTime;

import java.util.ArrayList;

/**
 * Created by laaptu on 4/16/15.
 */
public class Venue implements Parcelable {


    @SerializedName("id")
    public long id;
    @SerializedName("name")
    public String name;
    @SerializedName("link")
    public String url;
    @SerializedName("phone")
    public String phone;
    @SerializedName("location")
    public Location location;
    @SerializedName("tags")
    public String[] tags = new String[0];
    @SerializedName("opening_time")
    public OpeningTime openingTime;
    @SerializedName("details")
    public VenueDetails details;
    @SerializedName("now_you_know")
    public String[] trivia = new String[0];
    @SerializedName("notes")
    public String notes;
    @SerializedName("social")
    public Social social;
    @SerializedName("media")
    public ArrayList<Media> mediaList;
    @SerializedName("user_media")
    public ArrayList<Media> userMediaList;


    public Venue() {

    }

    public Venue(String name, ArrayList<Media> mediaList) {
        this.name = name;
        this.mediaList = mediaList;
    }


    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Venue oth = (Venue) obj;
        return id == oth.id;
    }

    @Override
    public int hashCode() {
        return (int) id;
    }

    @Override
    public int describeContents() {
        return 0;
    }


    @Override
    public void writeToParcel(Parcel parcel, int i) {
        parcel.writeLong(id);
        parcel.writeString(name);
        parcel.writeString(url);
        parcel.writeString(phone);
        parcel.writeParcelable(location, i);
        parcel.writeInt(tags.length);
        parcel.writeStringArray(tags);
        parcel.writeParcelable(openingTime, i);
        parcel.writeParcelable(details, i);
        parcel.writeInt(trivia.length);
        parcel.writeStringArray(trivia);
        parcel.writeString(notes);
        parcel.writeParcelable(social, i);
        parcel.writeTypedList(mediaList);
        parcel.writeTypedList(userMediaList);

    }

    protected Venue(Parcel in) {
        id = in.readLong();
        name = in.readString();
        url = in.readString();
        phone = in.readString();
        location = in.readParcelable(Location.class.getClassLoader());
        tags = new String[in.readInt()];
        in.readStringArray(tags);
        openingTime = in.readParcelable(OpeningTime.class.getClassLoader());
        details = in.readParcelable(VenueDetails.class.getClassLoader());
        trivia = new String[in.readInt()];
        in.readStringArray(trivia);
        notes = in.readString();
        social = in.readParcelable(Social.class.getClassLoader());
        mediaList = new ArrayList<Media>();
        in.readTypedList(mediaList, Media.CREATOR);
        userMediaList = new ArrayList<Media>();
        in.readTypedList(userMediaList, Media.CREATOR);

    }


    public static Creator<Venue> CREATOR = new Creator<Venue>() {
        @Override
        public Venue createFromParcel(Parcel parcel) {
            return new Venue(parcel);
        }

        @Override
        public Venue[] newArray(int i) {
            return new Venue[i];
        }
    };
}

venue.json

{
    "success": true,
    "next_page": 2,
    "places": [
        {
            "id": 5921,
            "name": "Red Tomato Pizza House",
            "link": "http://www.redtomatopizzahouse.com/",
            "location": {
                "address": "2017 University Avenue, Berkeley, CA 94704, United States",
                "latitude": "37.872152",
                "longitude": "-122.270128"
            },
            "tags": [
                "restaurant",
                "food",
                "establishment"
            ],
            "opening_time": {
                "periods": [
                    {
                        "close": {
                            "day": 0,
                            "time": "2130"
                        },
                        "open": {
                            "day": 0,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 1,
                            "time": "2130"
                        },
                        "open": {
                            "day": 1,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 2,
                            "time": "2130"
                        },
                        "open": {
                            "day": 2,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 3,
                            "time": "2130"
                        },
                        "open": {
                            "day": 3,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 4,
                            "time": "2200"
                        },
                        "open": {
                            "day": 4,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 5,
                            "time": "2200"
                        },
                        "open": {
                            "day": 5,
                            "time": "1100"
                        }
                    },
                    {
                        "close": {
                            "day": 6,
                            "time": "2200"
                        },
                        "open": {
                            "day": 6,
                            "time": "1100"
                        }
                    }
                ],
                "weekday_text": [
                    "Monday: 11:00 am – 9:30 pm",
                    "Tuesday: 11:00 am – 9:30 pm",
                    "Wednesday: 11:00 am – 9:30 pm",
                    "Thursday: 11:00 am – 10:00 pm",
                    "Friday: 11:00 am – 10:00 pm",
                    "Saturday: 11:00 am – 10:00 pm",
                    "Sunday: 11:00 am – 9:30 pm"
                ]
            },
            "media": [
                {
                    "type": "image",
                    "link": "https://zala-staging.s3.amazonaws.com/uploads/note/image/7033/photo.jpg",
                    "thumbnail": "https://zala-staging.s3.amazonaws.com/uploads/note/image/7033/thumb_photo.jpg"
                }
            ]
        },
        {
            "id": 5922,
            "name": "Pizzetta 211",
            "link": "http://www.pizzetta211.com/",
            "location": {
                "address": "211 23rd Avenue, San Francisco, CA 94121, United States",
                "latitude": "37.783704",
                "longitude": "-122.483052"
            },
            "tags": [
                "restaurant",
                "food",
                "establishment",
                "meal_takeaway"
            ],
            "opening_time": {
                "periods": [
                    {
                        "close": {
                            "day": 0,
                            "time": "2100"
                        },
                        "open": {
                            "day": 0,
                            "time": "1200"
                        }
                    },
                    {
                        "close": {
                            "day": 1,
                            "time": "1430"
                        },
                        "open": {
                            "day": 1,
                            "time": "1200"
                        }
                    },
                    {
                        "close": {
                            "day": 1,
                            "time": "2100"
                        },
                        "open": {
                            "day": 1,
                            "time": "1700"
                        }
                    },
                    {
                        "close": {
                            "day": 3,
                            "time": "1430"
                        },
                        "open": {
                            "day": 3,
                            "time": "1200"
                        }
                    },
                    {
                        "close": {
                            "day": 3,
                            "time": "2100"
                        },
                        "open": {
                            "day": 3,
                            "time": "1700"
                        }
                    },
                    {
                        "close": {
                            "day": 4,
                            "time": "1430"
                        },
                        "open": {
                            "day": 4,
                            "time": "1200"
                        }
                    },
                    {
                        "close": {
                            "day": 4,
                            "time": "2100"
                        },
                        "open": {
                            "day": 4,
                            "time": "1700"
                        }
                    },
                    {
                        "close": {
                            "day": 5,
                            "time": "1430"
                        },
                        "open": {
                            "day": 5,
                            "time": "1200"
                        }
                    },
                    {
                        "close": {
                            "day": 5,
                            "time": "2100"
                        },
                        "open": {
                            "day": 5,
                            "time": "1700"
                        }
                    },
                    {
                        "close": {
                            "day": 6,
                            "time": "2100"
                        },
                        "open": {
                            "day": 6,
                            "time": "1200"
                        }
                    }
                ],
                "weekday_text": [
                    "Monday: 12:00 – 2:30 pm, 5:00 – 9:00 pm",
                    "Tuesday: Closed",
                    "Wednesday: 12:00 – 2:30 pm, 5:00 – 9:00 pm",
                    "Thursday: 12:00 – 2:30 pm, 5:00 – 9:00 pm",
                    "Friday: 12:00 – 2:30 pm, 5:00 – 9:00 pm",
                    "Saturday: 12:00 – 9:00 pm",
                    "Sunday: 12:00 – 9:00 pm"
                ]
            },
            "media": [
                {
                    "type": "image",
                    "link": "https://zala-staging.s3.amazonaws.com/uploads/note/image/7034/photo.jpg",
                    "thumbnail": "https://zala-staging.s3.amazonaws.com/uploads/note/image/7034/thumb_photo.jpg"
                }
            ]
        }
    ]
}