| /* |
| * 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; |
| using System.Collections; |
| using Amqp; |
| using Amqp.Framing; |
| using Amqp.Types; |
| using Apache.NMS.AMQP.Util.Types; |
| |
| namespace Apache.NMS.AMQP.Provider.Amqp.Message |
| { |
| public class AmqpTypedObjectDelegate : IAmqpObjectTypeDelegate |
| { |
| public static readonly AmqpValue NULL_OBJECT_BODY = new AmqpValue {Value = null}; |
| |
| private readonly AmqpNmsObjectMessageFacade facade; |
| |
| public AmqpTypedObjectDelegate(AmqpNmsObjectMessageFacade facade) |
| { |
| this.facade = facade; |
| } |
| |
| public object Object |
| { |
| get |
| { |
| RestrictedDescribed body = null; |
| if (facade.Message.BodySection != null) |
| { |
| global::Amqp.Message copy = new global::Amqp.Message(facade.Message.Body); |
| ByteBuffer encodedBody = copy.Encode(); |
| global::Amqp.Message message = global::Amqp.Message.Decode(encodedBody); |
| body = message.BodySection; |
| } |
| |
| switch (body) |
| { |
| case null: |
| return null; |
| case AmqpValue value: |
| return value.Value; |
| case Data data: |
| return data.Binary; |
| case AmqpSequence sequence: |
| return sequence.List; |
| default: |
| throw new IllegalStateException("Unexpected body type: " + body.GetType().Name); |
| } |
| } |
| set |
| { |
| if (value == null) |
| { |
| facade.Message.BodySection = NULL_OBJECT_BODY; |
| } |
| else if (IsNMSObjectTypeSupported(value)) |
| { |
| object o = null; |
| if (value is IList list) |
| o = ConversionSupport.ListToAmqp(list); |
| else if (value is IPrimitiveMap primitiveMap) |
| o = ConversionSupport.NMSMapToAmqp(primitiveMap); |
| else |
| o = value; |
| |
| // to copy the object being set encode a message then decode and take body |
| global::Amqp.Message copy = new global::Amqp.Message(o); |
| ByteBuffer buffer = copy.Encode(); |
| copy = global::Amqp.Message.Decode(buffer); |
| |
| facade.Message.BodySection = new AmqpValue {Value = copy.Body}; |
| } |
| else |
| { |
| throw new ArgumentException("Encoding this object type with the AMQP type system is not supported: " + value.GetType().Name); |
| } |
| } |
| } |
| |
| private bool IsNMSObjectTypeSupported(object o) |
| { |
| return ConversionSupport.IsNMSType(o) || o is List || o is Map || o is IPrimitiveMap || o is IList; |
| } |
| |
| public void OnSend() |
| { |
| facade.ContentType = null; |
| if (facade.Message.BodySection == null) |
| facade.Message.BodySection = NULL_OBJECT_BODY; |
| } |
| } |
| } |