Java tutorial
/* * Copyright 2012 - 2018 camunda services GmbH and various authors (info@camunda.com) * * 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 org.camunda.bpm.extension.batch.core; import java.util.Base64; import org.apache.commons.lang3.SerializationUtils; import org.camunda.bpm.engine.impl.json.JsonObjectConverter; import org.camunda.bpm.engine.impl.util.JsonUtil; import org.camunda.bpm.engine.impl.util.json.JSONArray; import org.camunda.bpm.engine.impl.util.json.JSONObject; import java.io.Serializable; public class CustomBatchConfigurationJsonConverter<T extends Serializable> extends JsonObjectConverter<CustomBatchConfiguration<T>> { private static final String EXCLUSIVE = "exclusive"; private static final String DATA_SERIALIZED = "data_serialized"; public static <T extends Serializable> CustomBatchConfigurationJsonConverter<T> of() { return new CustomBatchConfigurationJsonConverter<>(); } @Override public JSONObject toJsonObject(final CustomBatchConfiguration<T> customBatchConfiguration) { final JSONObject json = new JSONObject(); JsonUtil.addField(json, EXCLUSIVE, customBatchConfiguration.isExclusive()); JsonUtil.addField(json, DATA_SERIALIZED, Base64.getEncoder() .encodeToString(SerializationUtils.serialize((Serializable) customBatchConfiguration.getData()))); return json; } @Override public CustomBatchConfiguration<T> toObject(final JSONObject json) { final String jsonSerializedData = json.getString(DATA_SERIALIZED); final byte[] byteArray = Base64.getDecoder().decode(jsonSerializedData); return CustomBatchConfiguration.of(SerializationUtils.deserialize(byteArray), json.getBoolean(EXCLUSIVE)); } }