| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.om.codec; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.ozone.protocol.proto |
| .OzoneManagerProtocolProtos.UserVolumeInfo; |
| import org.apache.hadoop.hdds.utils.db.Codec; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.protobuf.InvalidProtocolBufferException; |
| |
| /** |
| * Codec to encode UserVolumeInfo as byte array. |
| */ |
| public class UserVolumeInfoCodec implements Codec<UserVolumeInfo> { |
| |
| @Override |
| public byte[] toPersistedFormat(UserVolumeInfo object) throws IOException { |
| Preconditions |
| .checkNotNull(object, "Null object can't be converted to byte array."); |
| return object.toByteArray(); |
| } |
| |
| @Override |
| public UserVolumeInfo fromPersistedFormat(byte[] rawData) throws IOException { |
| Preconditions |
| .checkNotNull(rawData, |
| "Null byte array can't converted to real object."); |
| try { |
| return UserVolumeInfo.parseFrom(rawData); |
| } catch (InvalidProtocolBufferException e) { |
| throw new IllegalArgumentException( |
| "Can't encode the the raw data from the byte array", e); |
| } |
| } |
| |
| } |