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
}
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