/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.flink.streaming.connectors.kafka.testutils; import org.I0Itec.zkclient.serialize.ZkSerializer; import org.apache.flink.configuration.ConfigConstants; /** * Simple ZooKeeper serializer for Strings. */ public class ZooKeeperStringSerializer implements ZkSerializer { @Override public byte[] serialize(Object data) { if (data instanceof String) { return ((String) data).getBytes(ConfigConstants.DEFAULT_CHARSET); } else { throw new IllegalArgumentException("ZooKeeperStringSerializer can only serialize strings."); } } @Override public Object deserialize(byte[] bytes) { if (bytes == null) { return null; } else { return new String(bytes, ConfigConstants.DEFAULT_CHARSET); } } }