Flex Examples » XMLDocument http://blog.flexexamples.com Just a bunch of Adobe Flex Examples Wed, 26 Jan 2011 18:09:51 +0000 en hourly 1 Parsing XML nodes and Objects with dashes in their names in ActionScript 3.0 http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/ http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/#comments Thu, 28 Aug 2008 08:12:49 +0000 Peter deHaan http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/ The following example shows how you can parse an XML node with a dash in its node name (<font-family />) as well as parsing an Object with a dash in it’s identifier using the square bracket notation ([]).

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/ --> <mx:Application [...]]]> The following example shows how you can parse an XML node with a dash in its node name (<font-family />) as well as parsing an Object with a dash in it’s identifier using the square bracket notation ([]).

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/ -->
<mx:Application name="XML_parser_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="horizontal"
        verticalAlign="middle"
        backgroundColor="white"
        initialize="init();">

    <mx:Script>
        <![CDATA[
            import mx.rpc.xml.SimpleXMLDecoder;
            import mx.utils.ObjectUtil;

            private function init():void {
                var obj:Object = xmlToObject(xmlDP);

                txtXML.text = xmlDP.toXMLString();
                txtObject.text = ObjectUtil.toString(obj);

                lblXML.text = xmlDP.entry.child('font-family').text();
                lblObject.text = String(obj.root.entry["font-family"]);
            }

            private function xmlToObject(value:XML):Object {
                var xmlStr:String = value.toXMLString();
                var xmlDoc:XMLDocument = new XMLDocument(xmlStr);
                var decoder:SimpleXMLDecoder = new SimpleXMLDecoder(true);
                var resultObj:Object = decoder.decodeXML(xmlDoc);
                return resultObj;
            }
        ]]>
    </mx:Script>

    <mx:XML id="xmlDP">
        <root>
            <entry>
                <font-family>Arial</font-family>
                <font-size>12</font-size>
                <font-weight>normal</font-weight>
                <text-decoration>underline</text-decoration>
                <text>Hello world!</text>
            </entry>
        </root>
    </mx:XML>

    <mx:Panel id="xmlPanel">
        <mx:Text id="txtXML" />
        <mx:ControlBar>
            <mx:Label text="font-family:" />
            <mx:Label id="lblXML" />
        </mx:ControlBar>
    </mx:Panel>

    <mx:Panel id="objPanel" height="{xmlPanel.height}">
        <mx:Text id="txtObject" />
        <mx:ControlBar>
            <mx:Label text="font-family:" />
            <mx:Label id="lblObject" />
        </mx:ControlBar>
    </mx:Panel>

</mx:Application>

View source is enabled in the following example.

 
]]> http://blog.flexexamples.com/2008/08/28/parsing-xml-nodes-and-objects-with-dashes-in-their-names-in-actionscript-30/feed/ 0 Converting objects to XML packets using the SimpleXMLEncoder class in Flex http://blog.flexexamples.com/2008/03/04/converting-objects-to-xml-packets-using-the-simplexmlencoder-class-in-flex/ http://blog.flexexamples.com/2008/03/04/converting-objects-to-xml-packets-using-the-simplexmlencoder-class-in-flex/#comments Wed, 05 Mar 2008 06:23:58 +0000 Peter deHaan http://blog.flexexamples.com/2008/03/04/converting-objects-to-xml-packets-using-the-simplexmlencoder-class-in-flex/ In a previous example, “Converting XML to objects using the Flex SimpleXMLDecoder class”, we saw how to convert an XML instance into an Object instance using the SimpleXMLDecoder class and decodeXML() method.

The following example shows how you can convert an array of objects into an XML object using the SimpleXMLEncoder class and encodeValue() [...]]]> In a previous example, “Converting XML to objects using the Flex SimpleXMLDecoder class”, we saw how to convert an XML instance into an Object instance using the SimpleXMLDecoder class and decodeXML() method.

The following example shows how you can convert an array of objects into an XML object using the SimpleXMLEncoder class and encodeValue() method in Flex.

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/03/04/converting-objects-to-xml-packets-using-the-simplexmlencoder-class-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        creationComplete="init();">

    <mx:ArrayCollection id="arrColl">
        <mx:source>
            <mx:Array>
                <mx:Object c1="1.A" c2="1.B" />
                <mx:Object c1="2.A" c2="2.B" />
                <mx:Object c1="3.A" c2="3.B" />
                <mx:Object c1="4.A" c2="4.B" />
                <mx:Object c1="5.A" c2="5.B" />
                <mx:Object c1="6.A" c2="6.B" />
            </mx:Array>
        </mx:source>
    </mx:ArrayCollection>

    <mx:Script>
        <![CDATA[
            import mx.rpc.xml.SimpleXMLEncoder;
            import mx.utils.ObjectUtil;

            private function init():void {
                var xml:XML = objectToXML(arrColl.source);
                textArea1.text = ObjectUtil.toString(arrColl.source);
                textArea2.text = xml.toXMLString();
            }

            private function objectToXML(obj:Object):XML {
                var qName:QName = new QName("root");
                var xmlDocument:XMLDocument = new XMLDocument();
                var simpleXMLEncoder:SimpleXMLEncoder = new SimpleXMLEncoder(xmlDocument);
                var xmlNode:XMLNode = simpleXMLEncoder.encodeValue(obj, qName, xmlDocument);
                var xml:XML = new XML(xmlDocument.toString());
                // trace(xml.toXMLString());
                return xml;
            }
        ]]>
    </mx:Script>

    <mx:HDividedBox width="100%" height="100%">
        <mx:TextArea id="textArea1"
                editable="false"
                width="100%"
                height="100%" />
        <mx:TextArea id="textArea2"
                editable="false"
                width="100%"
                height="100%" />
    </mx:HDividedBox>

</mx:Application>

View source is enabled in the following example.

 
]]> http://blog.flexexamples.com/2008/03/04/converting-objects-to-xml-packets-using-the-simplexmlencoder-class-in-flex/feed/ 16 Converting XML to objects using the Flex SimpleXMLDecoder class http://blog.flexexamples.com/2007/09/19/converting-xml-to-objects-using-the-flex-simplexmldecoder-class/ http://blog.flexexamples.com/2007/09/19/converting-xml-to-objects-using-the-flex-simplexmldecoder-class/#comments Thu, 20 Sep 2007 03:04:12 +0000 Peter deHaan http://blog.flexexamples.com/2007/09/19/converting-xml-to-objects-using-the-flex-simplexmldecoder-class/ Similar to the previous post, “Converting XML to objects using the Flex HTTPService MXML tag“, the following example shows how you can use the decodeXML() method in the SimpleXMLDecoder class to convert an XMLDocument object into an ActionScript Object object.

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?> <!-- [...]]]> Similar to the previous post, “Converting XML to objects using the Flex HTTPService MXML tag“, the following example shows how you can use the decodeXML() method in the SimpleXMLDecoder class to convert an XMLDocument object into an ActionScript Object object.

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/09/19/converting-xml-to-objects-using-the-flex-simplexmldecoder-class/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        creationComplete="serv.send();">

    <mx:Script>
        <![CDATA[
            import mx.rpc.events.FaultEvent;
            import mx.rpc.events.ResultEvent;
            import mx.rpc.xml.SimpleXMLDecoder;

            private function serv_result(evt:ResultEvent):void {
                /* Convert XMLNode to XMLDocument. */
                var xmlStr:String = evt.result.toString();
                var xmlDoc:XMLDocument = new XMLDocument(xmlStr);
                var decoder:SimpleXMLDecoder = new SimpleXMLDecoder(true);
                var resultObj:Object = decoder.decodeXML(xmlDoc);
                /* Assign the values... */
                nameText.text = resultObj.album.name;
                img0Text.text = resultObj.album.images.image[0];
                img1Text.text = resultObj.album.images.image[1];
                img2Text.text = resultObj.album.images.image[2];
            }

            private function serv_fault(evt:FaultEvent):void {
                // Show the error label.
                error.text += evt.fault.faultString;
                error.visible = true;
                // Hide the form.
                form.visible = false;
            }
        ]]>
    </mx:Script>

    <mx:String id="XML_URL">album.xml</mx:String>

    <mx:HTTPService id="serv"
            url="{XML_URL}"
            resultFormat="xml"
            result="serv_result(event);"
            fault="serv_fault(event);" />

    <mx:ApplicationControlBar dock="true">
        <mx:Label text="{XML_URL}" />
    </mx:ApplicationControlBar>

    <mx:Label id="error"
            color="red"
            fontSize="36"
            fontWeight="bold"
            visible="false"
            includeInLayout="{error.visible}"/>

    <mx:Form id="form"
            includeInLayout="{form.visible}">
        <mx:FormItem label="resultObj.album.name:">
            <mx:Label id="nameText" />
        </mx:FormItem>
        <mx:FormItem label="resultObj.album.images.image[0]:">
            <mx:Label id="img0Text" />
        </mx:FormItem>
        <mx:FormItem label="resultObj.album.images.image[1]:">
            <mx:Label id="img1Text" />
        </mx:FormItem>
        <mx:FormItem label="resultObj.album.images.image[2]:">
            <mx:Label id="img2Text" />
        </mx:FormItem>
    </mx:Form>

</mx:Application>

View album.xml

<?xml version="1.0" encoding="utf-8"?>
<album>
    <name>One</name>
    <images>
        <image>image1.jpg</image>
        <image>image2.jpg</image>
        <image>image3.jpg</image>
    </images>
</album>

View source is enabled in the following example.

 
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