Actionscript 3 - Flash CS5 And Socket Configuration?
Dec 19, 2010I couldn't find an up to date example of how to create a socket (I prefer in php or c++) and how to make the connection with AS 3.
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[Code]...
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Aug 30, 2011I need to read the URL that the browser shows when a Flex application is called because I would to reference it in a mxml configuring Cairngorm remote objects. The goal I would reach is to automatically configure Cairngorm services from environment to environment (dev,test,qa,prod) without statically set the value in the mxml or other ActionScript. Since the Flex client is deployed in the root of the war of the webapp, it's enough to read where the browser is pointing.
I have written a class that is doing so:
public class ConfigServer {
public function ConfigServer() {
var loaderUrl:String = FlexGlobals.topLevelApplication.loaderInfo.loaderURL;
var urlToSet:String = <loaderURL-string-manipulation>;
_serverUrl = urlToSet;
[Code] .....
But whenever I call the ConfigServer constructor and for every (known to me) technique I applied (statics or singletons or public ro so on), I have always had the same error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at org.fao.fapda.util::ConfigServer()[C:devworkspacesFAPDA runkFAPDA-clientsrcorgfaofapdautilConfigServer.as:8]
Cairngorm services initialization is done as follow:
<fx:Declarations><cut/>
<services:FAPDAServices id="services"/>
<cut/></fx:Declarations>
And the problem is that FAPDAServices.mxml is read runs before FlexGlobals is valid. Is there a point in the Flex Application lifecycle where such loaderURL is defined so that I can construct ConfigServer? When in startup events that initialization in done?
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at the moment i just pass through the optional vars the regular way. Supposing the constuctor was like the following:
private var _reqVar:String;
private var _optVar1:String;
private var _optVar2:String;
[Code].....
assigning the argument to the var of the same key (i know in php to reference a variable name from a key you can use $$key = $value, is there an equivalent in as3?) display an error (using the 'throw' method) for variable names not supported by the class
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For example: the configuration file holds the endpoint URL of a web service used to obtain data from the server. The URL resides in the XML because we want to allow our users to alter the endpoint URL according to their environment. Now because the endpoint URL is retrieved only after the XML has been completely loaded, some of the application's components might be invoking operations on this web service before it is initialized with the correctendpoint.The trivial solution would have been to suspend the initialization of the application until the complete event is dispatched by the loader. But it appears that this solution is far from being trivial. I haven't found a single solution that allows me to load the XML before any other object in the application.
ActionScript 3.0 :: Creating 1 Configuration Class For Multiple Classes
Feb 17, 2009I have created a file called Config.as, in it are getter and setter methods that define variables that I need to reference throughout my system.
I have obviously made a mistake as I tried to access a variable in two files as indicated in a demo below:
Code:
package {
import Config;
public class TestOne {
[Code].....
It seems quite clear to me that I have created two instance of the Config class and that is why in class TestTwo the trace statement doesn't return "hello world". Is there a common coding practice to access the same variable with multiple classes?
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Oct 17, 2009I'm trying, without success, to make a class to manage a XML file configuration. This class has some methods to get a XML file and return a object E4X (XML) to user (programmer).
Then I created a package:
components.datahandlers
And the class to handler XML config file:
XMLConfigHandler.as
The code, that class, is below:
package components.datahandlers{
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.xml.XMLDocument;
import flash.events.*;
import flash.errors.*;
public class XMLConfigHandler {
[Code] .....
The trace above shows: NOT. But if I get a trace inside onLoaded method, it is show: YES. Why "xmlLoaded" property don't change to YES? How can I make this works?
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I assumed it would be in C:Program FilesAdobeAdobe Flash CS4enConfigurationComponents
But it is not. Should I have such a folder? And, if so, where should it be?
Or do I need to create it myself?
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I think that I need to use properties like ${DOCUMENT} or ${FLEX_HOME}, but I'm not sure where these properties get defined and which ones come by default in the environment.
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By default, Adobe says you should compile your Flex application against the server configuration file "services-config.xml". This is a highly inflexible practice that Spring says should be avoided (I agree).
One popular approach is to use Flex's http service to download an XML configuration file. I like this idea, but I don't want to hard-code an XML file and keep it inside my WAR file. Is there a way to dynamically generate this from Java code?somehow use flashvars to pass the properties in from the containing HTML page to the SWF file. But again, I don't want to hard code them into the HTML page. Is there a way (maybe with Javascript?) to dynamically set the value of these when the page loads?
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[Code]...
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[Code]....
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But if I'm mean and flood it with multitouch events Flash can't keep up with parsing the input, and the socket just keeps getting data that piles up until it either catches up or the whole thing crashes.
I have no problem discarding input once there's too much*, but I'm having trouble devising a clever way to do it.
* The app does 6-10 simultaneous inputs with no problem, things start to get hairy once I have to deal with 20+ which basically means someone is lying on the table ;)
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Apr 28, 2010I am trying to connect to a socket server from flex. I read, on adobe's documentation, the client automatically sends a "request-policy-file" xml element to the socket before allowing it to be opened, and should receive a policy file.
The client sends the xml element as expected, My server receives it (on the port I want to use, port 6104) and replies on the same port with:
[Code]...