| /* |
| * 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.iceberg.util; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.UncheckedIOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Base64; |
| |
| public class SerializationUtil { |
| |
| private SerializationUtil() { |
| } |
| |
| public static byte[] serializeToBytes(Object obj) { |
| try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos)) { |
| oos.writeObject(obj); |
| return baos.toByteArray(); |
| } catch (IOException e) { |
| throw new UncheckedIOException("Failed to serialize object", e); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static <T> T deserializeFromBytes(byte[] bytes) { |
| if (bytes == null) { |
| return null; |
| } |
| |
| try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| ObjectInputStream ois = new ObjectInputStream(bais)) { |
| return (T) ois.readObject(); |
| } catch (IOException e) { |
| throw new UncheckedIOException("Failed to deserialize object", e); |
| } catch (ClassNotFoundException e) { |
| throw new RuntimeException("Could not read object ", e); |
| } |
| } |
| |
| public static String serializeToBase64(Object obj) { |
| byte[] bytes = serializeToBytes(obj); |
| return new String(Base64.getMimeEncoder().encode(bytes), StandardCharsets.UTF_8); |
| } |
| |
| public static <T> T deserializeFromBase64(String base64) { |
| if (base64 == null) { |
| return null; |
| } |
| byte[] bytes = Base64.getMimeDecoder().decode(base64.getBytes(StandardCharsets.UTF_8)); |
| return deserializeFromBytes(bytes); |
| } |
| } |