Java tutorial
/* * Copyright (c) 2016-2016 Bas van den Boom 'Z3r0byte' * * 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. */ package net.ilexiconn.magister.adapter; import com.google.gson.Gson; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.TypeAdapter; import com.google.gson.stream.JsonReader; import com.google.gson.stream.JsonWriter; import net.ilexiconn.magister.container.Study; import net.ilexiconn.magister.util.DateUtil; import net.ilexiconn.magister.util.GsonUtil; import net.ilexiconn.magister.util.LogUtil; import java.io.IOException; import java.text.ParseException; import java.util.ArrayList; import java.util.List; public class StudyAdapter extends TypeAdapter<Study[]> { public Gson gson = GsonUtil.getGson(); @Override public void write(JsonWriter out, Study[] value) throws IOException { throw new UnsupportedOperationException("Not implemented"); } @Override public Study[] read(JsonReader in) throws IOException { JsonObject object = gson.getAdapter(JsonElement.class).read(in).getAsJsonObject(); JsonArray array = object.get("Items").getAsJsonArray(); List<Study> studyList = new ArrayList<Study>(); for (JsonElement element : array) { JsonObject object1 = element.getAsJsonObject(); Study study = gson.fromJson(object1, Study.class); JsonObject object2 = object1.get("Studie").getAsJsonObject(); study.studyId = object2.get("Id").getAsInt(); study.description = object2.get("Omschrijving").getAsString(); try { study.startDate = DateUtil.stringToDate(study.startDateString); study.endDate = DateUtil.stringToDate(study.endDateString); } catch (ParseException e) { LogUtil.printError("Unable to parse date", e); } studyList.add(study); } return studyList.toArray(new Study[studyList.size()]); } }