package com.patloew.countries.util;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import com.patloew.countries.data.model.RealmString;
import java.io.IOException;
import io.realm.RealmList;
/* Copyright 2016 Patrick Löwenstein
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. */
public class RealmStringListTypeAdapter extends TypeAdapter<RealmList<RealmString>> {
public static final TypeAdapter<RealmList<RealmString>> INSTANCE = new RealmStringListTypeAdapter().nullSafe();
private RealmStringListTypeAdapter() { }
@Override
public void write(JsonWriter out, RealmList<RealmString> src) throws IOException {
out.beginArray();
for (RealmString realmString : src) {
out.value(realmString.value);
}
out.endArray();
}
@Override
public RealmList<RealmString> read(JsonReader in) throws IOException {
RealmList<RealmString> realmStrings = new RealmList<>();
in.beginArray();
while (in.hasNext()) {
if (in.peek() == JsonToken.NULL) {
in.nextNull();
} else {
RealmString realmString = new RealmString();
realmString.value = in.nextString();
realmStrings.add(realmString);
}
}
in.endArray();
return realmStrings;
}
}