Jackson Deserializer for a primitive JSON array like this {"photos": ["http://www.url.com/img.jpg", "http://www.url.com/img.jpg", "http://www.url.com/img.jpg"] } to using it with Realm

CustomJacksonArrayDeserializer.java

/*
 * Created by Nikita Karnaukh on 07/09/15.
 */
public class CustomArrayDeserializer extends JsonDeserializer<RealmList<UserPhoto>> {

    @Override
    public RealmList<UserPhoto> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
        RealmList<UserPhoto> photos = new RealmList<>();
        while (true) {
            String value = jp.nextTextValue();
            if (value == null) {
                JsonToken t = jp.getCurrentToken();
                if (t == JsonToken.END_ARRAY) {
                    break;
                }
                if (t != JsonToken.VALUE_NULL) {
                    value = null;
                }
            }
            if (value != null) {
                UserPhoto photo = new UserPhoto();
                photo.setPhoto(value);
                photos.add(photo);
            }
        }
        return photos;
    }
}

public class UserPhoto extends RealmObject {
    private String photo;

    public String getPhoto() {
        return photo;
    }

    public void setPhoto(String photo) {
        this.photo = photo;
    }
}

public class Friend extends RealmObject {
    
    @JsonProperty @JsonDeserialize(using = CustomArrayDeserializer.class)
    private RealmList<UserPhoto> photos;
    
    public RealmList<UserPhoto> getPhotos() {
        return photos;
    }

    public void setPhotos(RealmList<UserPhoto> photos) {
        this.photos = photos;
    }
}