| #-- |
| # 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. |
| #++ |
| |
| module Qpid::Proton::Handler |
| |
| # A utility for simpler and more intuitive handling of delivery events |
| # related to incoming messages. |
| # |
| class IncomingMessageHandler < Qpid::Proton::BaseHandler |
| |
| include Acking |
| |
| def initialize(auto_accept = true, delegate = nil) |
| @delegate = delegate |
| @auto_accept = auto_accept |
| end |
| |
| def on_delivery(event) |
| delivery = event.delivery |
| return unless delivery.link.receiver? |
| if delivery.readable? && !delivery.partial? |
| event.message = Qpid::Proton::Util::Engine.receive_message(delivery) |
| if event.link.local_closed? |
| if @auto_accept |
| delivery.update(Qpid::Proton::Disposition::RELEASED) |
| delivery.settle |
| end |
| else |
| begin |
| self.on_message(event) |
| if @auto_accept |
| delivery.update(Qpid::Proton::Disposition::ACCEPTED) |
| delivery.settle |
| end |
| rescue Qpid::Proton::Reject |
| delivery.update(Qpid::Proton::Disposition::REJECTED) |
| delivery.settle |
| rescue Qpid::Proton::Release |
| delivery.update(Qpid::Proton::Disposition::MODIFIED) |
| delivery.settle |
| end |
| end |
| elsif delivery.updated? && delivery.settled? |
| self.on_settled(event) |
| end |
| end |
| |
| def on_message(event) |
| Qpid::Proton::Event.dispatch(@delegate, :on_message, event) if !@delegate.nil? |
| end |
| |
| def on_settled(event) |
| Qpid::Proton::Event.dispatch(@delegate, :on_settled, event) if !@delegate.nil? |
| end |
| |
| end |
| |
| end |