| // 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. |
| |
| using System.IO; |
| using Microsoft.Hadoop.Avro; |
| using Newtonsoft.Json; |
| using Org.Apache.REEF.Utilities; |
| |
| namespace Org.Apache.REEF.Common.Avro |
| { |
| /// <summary> |
| /// Class AvroHttpSerializer. Provides methods to serialize and deserialize HttpRequest |
| /// </summary> |
| internal static class AvroHttpSerializer |
| { |
| public static AvroHttpRequest FromBytes(byte[] serializedBytes) |
| { |
| var serializer = AvroSerializer.Create<AvroHttpRequest>(); |
| using (var stream = new MemoryStream(serializedBytes)) |
| { |
| return serializer.Deserialize(stream); |
| } |
| } |
| |
| /// <summary> |
| /// Convert bytes which contains Json string into AvroHttpRequest object |
| /// </summary> |
| /// <param name="serializedBytes">The serialized bytes.</param> |
| /// <returns>AvroHttpRequest.</returns> |
| public static AvroHttpRequest FromBytesWithJson(byte[] serializedBytes) |
| { |
| string s = ByteUtilities.ByteArraysToString(serializedBytes); |
| return FromJson(s); |
| } |
| |
| /// <summary> |
| /// Convert from Json string into AvroHttpRequest object |
| /// </summary> |
| /// <param name="jsonString">The json string.</param> |
| /// <returns>AvroHttpRequest.</returns> |
| public static AvroHttpRequest FromJson(string jsonString) |
| { |
| return JsonConvert.DeserializeObject<AvroHttpRequest>(jsonString); |
| } |
| |
| /// <summary> |
| /// Convert from AvroHttpRequest to Json string |
| /// </summary> |
| /// <param name="httpRequest">The HTTP request.</param> |
| /// <returns>System.String.</returns> |
| public static string ToJson(AvroHttpRequest httpRequest) |
| { |
| return JsonConvert.SerializeObject(httpRequest); |
| } |
| |
| /// <summary> |
| /// Serialize AvroHttpRequest object into bytes |
| /// </summary> |
| /// <param name="obj">The object.</param> |
| /// <returns>System.Byte[].</returns> |
| public static byte[] ToBytes(AvroHttpRequest obj) |
| { |
| var serializer = AvroSerializer.Create<AvroHttpRequest>(); |
| using (MemoryStream stream = new MemoryStream()) |
| { |
| serializer.Serialize(stream, obj); |
| return stream.GetBuffer(); |
| } |
| } |
| |
| /// <summary> |
| /// Deserialize from file to AvroHttpRequest object. |
| /// </summary> |
| /// <param name="fileName">Name of the file.</param> |
| /// <returns>AvroHttpRequest.</returns> |
| public static AvroHttpRequest FromFile(string fileName) |
| { |
| var str = File.ReadAllText(fileName); |
| AvroHttpRequest avroHttprequest = JsonConvert.DeserializeObject<AvroHttpRequest>(str); |
| return avroHttprequest; |
| } |
| |
| /// <summary> |
| /// Serialize AvroHttpRequest in to file |
| /// </summary> |
| /// <param name="avroHttprequest">The avro httprequest.</param> |
| /// <param name="fileName">Name of the file.</param> |
| public static void ToFile(AvroHttpRequest avroHttprequest, string fileName) |
| { |
| var bytes = ToBytes(avroHttprequest); |
| using (var file = File.OpenWrite(fileName)) |
| { |
| file.Write(bytes, 0, bytes.Length); |
| } |
| } |
| } |
| } |