AirAppDuplicator.mxml

<?xml version="1.0"?>
<s:WindowedApplication
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark"
        xmlns:mx="library://ns.adobe.com/flex/mx"
        showStatusBar="false">
    <s:layout>
        <s:VerticalLayout paddingBottom="14" paddingLeft="14" paddingRight="14" paddingTop="14"/>
    </s:layout>
    <fx:Script>
        <![CDATA[
        import mx.controls.Alert;

        private var destinationDirectory:File;
        private var sourceDirectory:File;
        private var appXML:XML;

        public function get isMac():Boolean
        {
            return Capabilities.os.toLowerCase().indexOf('mac') > -1;
        }

        public function get appXMLPath():String
        {
            var p:String = "META-INF/AIR/application.xml";
            return isMac ? "Contents/Resources/" + p : p;
        }

        private function appDirectorySelected(event:Event):void
        {
            sourceDirectory = File(fileTree.selectedItem);
            if(!sourceDirectory.exists)
            {
                Alert.show("Directory doesn't exist");
                return;
            }

            if(!sourceDirectory.isDirectory)
            {
                Alert.show("Please select a Directory");
                return;
            }

            var appXMLFile:File = sourceDirectory.resolvePath( appXMLPath );
            if(!appXMLFile.exists)
            {
                Alert.show("This does not appear to be a valid AIR application.");
                return;
            }

            applicationDirectory.text = sourceDirectory.nativePath;
            this.currentState = 'selectDestination';

            appXML = readXMLFromFile(appXMLFile);
            var ns:Namespace = appXML.namespace();
            var appId:String = appXML.ns::id[0];
            var appFileName:String = appXML.ns::filename[0];

            var inc:uint = 1;
            destinationDirectory = new File(sourceDirectory.parent.nativePath);

            while(destinationDirectory.exists)
            {
                inc++;
                newAppID.text = appId + inc;
                var dest:String = appFileName+inc;
                if( isMac )
                     dest += ".app";
                destinationDirectory = new File(sourceDirectory.parent.nativePath).resolvePath(dest);
            }

            destinationDirectoryText.text =  destinationDirectory.nativePath;
        }

        private function writeXMLToFile(xml:XML, file:File):void
        {
            var fs:FileStream = new FileStream();
            fs.open(file, FileMode.WRITE);
            fs.writeUTFBytes(xml.toXMLString());
            fs.close();
            fs = null;
        }
        private function readXMLFromFile(appXMLFile:File):XML
        {
            var xml:XML;
            var fs:FileStream = new FileStream();
            fs.open(appXMLFile, FileMode.READ);
            var contents:String = fs.readUTFBytes(fs.bytesAvailable);
            fs.close();
            fs = null;
            xml = new XML(contents);
            return xml;
        }


        private function executeCopy():void
        {


            sourceDirectory.addEventListener(Event.COMPLETE, copyComplete);
            sourceDirectory.copyToAsync(destinationDirectory);
        }

        private function copyComplete(event:Event):void
        {
            var file:File = destinationDirectory.resolvePath(appXMLPath);
            appXML = readXMLFromFile(file);
            var ns:Namespace = appXML.namespace();
            appXML.ns::id[0] = newAppID.text;
            writeXMLToFile(appXML, file);

            this.currentState = 'complete';
        }
        ]]>
    </fx:Script>

    <s:states>
        <s:State name="selectApp"/>
        <s:State name="selectDestination"/>
        <s:State name="complete"/>
    </s:states>

    <s:VGroup width="100%">
        <s:Label text="This application will allow you to create duplicate installations of existing Adobe AIR apps."/>
        <s:Label text="Upon copying the app, you should be able to run both instances simultaneously."/>
        <s:Label text="I cannot guarantee this will work with all apps, and data corruption may occur."/>
        <s:Label text="PROCEED AT YOUR OWN RISK!" color="red"/>
    </s:VGroup>
    <s:VGroup width="100%" height="100%" includeIn="selectApp">
        <mx:FileSystemTree id="fileTree" width="100%" height="100%"
                change="applicationDirectory.text = File(fileTree.selectedItem).nativePath;">
        </mx:FileSystemTree>
        <mx:Button label="Select" click="appDirectorySelected(event)"/>
        <s:TextInput id="applicationDirectory" text="Current Application..." enabled="false" width="100%"/>
    </s:VGroup>

    <s:VGroup width="100%" includeIn="selectDestination">
        <s:HGroup width="100%" >
            <s:Label text="Destination Directory"/>
            <s:TextInput id="destinationDirectoryText" enabled="false" width="100%"/>
        </s:HGroup>
        <s:HGroup width="100%" >
            <s:Label text="New App ID"/>
            <s:TextInput id="newAppID" enabled="false" width="100%"/>
        </s:HGroup>
        <s:Button label="Copy!" click="executeCopy()"/>
        <s:Button label="Go Back" click="this.currentState = 'selectApp'"/>
    </s:VGroup>

    <s:VGroup width="100%" includeIn="complete">
        <s:Label text="Copy completed successfully!"  />
        <s:Button label="Copy Another" click="this.currentState = 'selectApp'"/>
    </s:VGroup>


</s:WindowedApplication>