AS3 无法从 Java 发送的套接字解​​码 AMF3 对象 [英] AS3 unable to decode AMF3 object from socket sent by Java

问题描述

我有一个 java 套接字服务器，它在连接时向 Flash 客户端发送一个 Animal 对象.对象是这样发送的:

I have a java socket server that sends an Animal object to the Flash client when it connects. The object is sent like this:

Amf3Output amf3Output = new Amf3Output(SerializationContext.getSerializationContext());
amf3Output.setOutputStream(userSocket.getOutputStream());
amf3Output.writeObject(animal);

Flash 端的代码是:

And the code on flash side is:

var object:Object = socket.readObject();
trace(object);
trace(object as Animal);

然而，当第二个跟踪给我一个 null

However when the second trace gives me a null

我已经检查过 java 发送了 31 个字节，Flash 接收了 31 个字节.

I have checked that java sends out 31 bytes and Flash receives 31 bytes.

我认为可能是我的 Java 和 AS3 类与某些 AMF 要求不匹配.

I think it might be that my Java and AS3 classes don't match some AMF requirement.

Java 类:

package main;

public class Animal {

   public String name;
   public int age;
}

AS3 类:

package  
{

    [Bindable]
    [RemoteClass(alias="main.Animal")]
    public class Animal 
    {
        public var name:String;
        public var age:int;

    }

}

推荐答案

我不熟悉 Java 和可用的 AMF 序列化器/反序列化器，但是 flash 确实支持通过套接字发送类型化对象，并且如果您发送正确的数据.下面是 ruby​​ 中的套接字服务器与 Flash 应用程序通信的示例.连接后，我使用 RocketAMF 通过套接字向客户端发送 AMF3 对象.

I'm not familiar with Java and the AMF serializers/deserializers available for it, but sending typed objects over sockets is indeed supported in flash, and works properly if you send the right data. Below is an example of a socket server in ruby communicating with a Flash application. I'm using RocketAMF to send an AMF3 object over the socket to a client after it connects.

SocketTest.as:

package {
    import flash.display.Sprite;
    import flash.net.registerClassAlias;
    import org.rackAMF.*;
    import flash.net.Socket;
    import flash.events.*;

    public class SocketTest extends Sprite {
        private var socket:Socket;

        public function SocketTest() {
            registerClassAlias('Animal', Animal);

            socket = new Socket();
            socket.addEventListener(ProgressEvent.SOCKET_DATA, onResponse);
            socket.connect("localhost", 8081);
        }

        private function onResponse(e:ProgressEvent):void {
            var animal:Animal = socket.readObject() as Animal;
            trace(Object(animal).constructor); // [trace] [class Animal]
            trace(animal.name); // [trace] Zebra
            trace(animal.age); // [trace] 5
        }
    }
}

class Animal {
    public var name:String;
    public var age:int;
}

socket_server.rb:

require 'rubygems'
require 'socket'
require 'rocketamf'

class Animal
  attr_accessor :name, :age
end

# Map "Animal" in ruby to "Animal" in flash
RocketAMF::ClassMapper.define do |m|
  m.map :as => 'Animal', :ruby => 'Animal'
end

server = TCPServer.open(8081)
loop {
  client = server.accept

  animal = Animal.new
  animal.name = "Zebra"
  animal.age = 5
  client.write RocketAMF.serialize(animal, 3)

  client.close
}

这篇关于AS3 无法从 Java 发送的套接字解​​码 AMF3 对象的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！