| /* |
| * 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.encryption; |
| |
| import java.nio.ByteBuffer; |
| import org.apache.iceberg.util.ByteBuffers; |
| |
| class BaseEncryptionKeyMetadata implements EncryptionKeyMetadata { |
| |
| public static EncryptionKeyMetadata fromKeyMetadata(ByteBuffer keyMetadata) { |
| if (keyMetadata == null) { |
| return EncryptionKeyMetadata.empty(); |
| } |
| return new BaseEncryptionKeyMetadata(keyMetadata); |
| } |
| |
| public static EncryptionKeyMetadata fromByteArray(byte[] keyMetadata) { |
| if (keyMetadata == null) { |
| return EncryptionKeyMetadata.empty(); |
| } |
| return fromKeyMetadata(ByteBuffer.wrap(keyMetadata)); |
| } |
| |
| private final ByteBuffer keyMetadata; |
| |
| private BaseEncryptionKeyMetadata(ByteBuffer keyMetadata) { |
| this.keyMetadata = keyMetadata; |
| } |
| |
| @Override |
| public ByteBuffer buffer() { |
| return keyMetadata; |
| } |
| |
| @Override |
| public EncryptionKeyMetadata copy() { |
| return new BaseEncryptionKeyMetadata( |
| ByteBuffers.copy(keyMetadata)); |
| } |
| } |