Technically, text() returns an XMLList where all of the objects are of "kind" text. And you can set the value of those individual nodes in that list. So for example text()[0] = "value"; should work.
- Daniel Freiman On Tue, May 27, 2008 at 2:31 PM, Tracy Spratt <[EMAIL PROTECTED]> wrote: > Use logo.text(); That returns only the text between those tags. > > > > Note that you can't use text() to SET the text node, only to read it. > > > > Tracy > > > ------------------------------ > > *From:* [email protected] [mailto:[EMAIL PROTECTED] *On > Behalf Of *wild.katana > *Sent:* Saturday, May 24, 2008 3:08 AM > *To:* [email protected] > > *Subject:* [flexcoders] Re: How to extract data from XML > > > > OMFG the namespace was the problem. After I added that line I was able > to call > Alert.show(myXML.logo.toXMLString()); > and it worked like a charm. Thanks now I can finally start doing stuff > with my application. This snag has been holding me up for a few days. > One last thing, how would I go about extracting just what is between > the tags <logo> and </logo> instead of the entire element and > attributes? Would I have to convert it to a single XML object first > like you said? Or is there some function that can do that? Thanks for > all your help Tracy, I'm starting to understand how XML works now > because of you. > > -Leighton > > --- In [email protected] <flexcoders%40yahoogroups.com>, "Tracy > Spratt" <[EMAIL PROTECTED]> wrote: > > > > Ok, you may have a namespace problem. They can be a PITA. I'm not an > > expert and you should reveiw the docs/google if this doesn't work but > > try putting this in the declarations section of your > > app/component(instance scope level): > > > > default xml namespace = ""http://www.w3.org/2005/Atom";; > > > > > > > > There is more stuff in the xmlns declaration in your sample xml: > > > > <feed xmlns="http://www.w3.org/2005/Atom <http://www.w3.org/2005/Atom> " > > ... > > > > > > > > I do not understand what that second part of the string is. You might > > have to include that as well in the default namespace declaration. > > > > > > > > You can avoid the namespace issue if you use the node index to get a > > node, but this is a very clunky way to do it. To see, try: > > > > Alert.show(myXML.children()[4].toXMLString()) > > > > > > > > XMLList always has 0-n xml nodes in it. (the result of an e4x expression > > is never null) If there is only one node, then many of the XML methods > > will work on it the same as with XML. But for clarity, if I know I want > > to work with a single XML node then I do: > > > > var myXMLList:XMLList = myXML.logo; > > > > var xmlLogo:XML = myXMLList[0]; > > > > > > > > If just you do this below, you will get a datatype error: > > > > var xmlLogo:XML = myXML.logo; //even if that expression returns only a > > single node. > > > > > > > > Tracy > > > > ________________________________ > > > > From: [email protected] <flexcoders%40yahoogroups.com> [mailto: > [email protected] <flexcoders%40yahoogroups.com>] On > > Behalf Of wild.katana > > Sent: Thursday, May 22, 2008 7:08 PM > > To: [email protected] <flexcoders%40yahoogroups.com> > > Subject: [flexcoders] Re: How to extract data from XML > > > > > > > > Okay, first of all, thanks for all of your help, Tracy. > > I have checked the myXML variable with Alert.show(myXML) and it shows > > what I pasted in the first post (that's where I got it). So I know > > that myXML contains that. I tried doing > > Alert.show(myXML.logo.toXMLString()) but it is still showing nothing. > > I have read the documentation on using XML and tried many of the > > things it says, but to no avail. One thing I don't wuite understand... > > What is the difference between XML and XMLList? If the myXML.logo > > returns an XMLList, then should I make a variable that contains it > > first? Like > > var myXMLList:XMLList = myXML.logo; > > Alert.show(myXMLList); > > ? > > I will try that but let me know if that is what you were meaning or > > not... Thanks again.. > > > > --- In [email protected] <flexcoders%40yahoogroups.com><mailto: > flexcoders%40yahoogroups.com <flexcoders%2540yahoogroups.com>> > > , "Tracy Spratt" <tspratt@> wrote: > > > > > > First, did you trace or alert your XML in yur result handler? If you > > > did not and are assuming you know what your xml looks like exactly, do > > > that now. > > > > > > > > > > > > Second, when attempting to view XML, always use toXMLString() (search > > > the archives for why): > > > > > > Alert.show(myXML.logo.toXMLString()) > > > > > > > > > > > > Third, when writing e4x expressions, unless you are very certain of > > > yourself, it is best to do it one step at a time, using temporary XML > > > or XMLList variables as needed, and tracing the contained value using > > > toXMLString(). Note that all e4x expressions(myXML.logo is one) return > > > XMLList, not XML. The docs will show how to handle this. > > > > > > > > > > > > Fourth, review the XML class in the language Ref and the "working with > > > data" cha[ter in the developers guide for an explanation on how to > > work > > > with XML. The link below is for Flex 2, but the XML stuff has not > > > changed. > > > > > > http://livedocs.adobe.com/flex/2/docs/00001910.html > > <http://livedocs.adobe.com/flex/2/docs/00001910.html> > > > > > > > > > > > > Tracy > > > > > > > > > > > > ________________________________ > > > > > > From: [email protected] <flexcoders%40yahoogroups.com><mailto: > flexcoders%40yahoogroups.com <flexcoders%2540yahoogroups.com>> > > [mailto:[email protected] <flexcoders%40yahoogroups.com><mailto: > flexcoders%40yahoogroups.com <flexcoders%2540yahoogroups.com>> > > ] On > > > Behalf Of wild.katana > > > Sent: Thursday, May 22, 2008 4:00 AM > > > To: [email protected] <flexcoders%40yahoogroups.com> <mailto: > flexcoders%40yahoogroups.com <flexcoders%2540yahoogroups.com>> > > > Subject: [flexcoders] How to extract data from XML > > > > > > > > > > > > Hello, I have loaded an XML from a URL using URLLoader. Now that I > > > have it in an object, how do I access individual parts of that data? > > > The XML looks like this: > > > <feed xmlns="http://www.w3.org/2005/Atom <http://www.w3.org/2005/Atom> > > <http://www.w3.org/2005/Atom <http://www.w3.org/2005/Atom> > " > > > xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/ > > <http://a9.com/-/spec/opensearchrss/1.0/> > > > <http://a9.com/-/spec/opensearchrss/1.0/ > > <http://a9.com/-/spec/opensearchrss/1.0/> > " > > > xmlns:gml="http://www.opengis.net/gml <http://www.opengis.net/gml> > > <http://www.opengis.net/gml <http://www.opengis.net/gml> > " > > > xmlns:georss="http://www.georss.org/georss > > <http://www.georss.org/georss> > > > <http://www.georss.org/georss <http://www.georss.org/georss> > " > > > xmlns:media="http://search.yahoo.com/mrss/ > > <http://search.yahoo.com/mrss/> > > > <http://search.yahoo.com/mrss/ <http://search.yahoo.com/mrss/> > " > > > xmlns:yt="http://gdata.youtube.com/schemas/2007 > > <http://gdata.youtube.com/schemas/2007> > > > <http://gdata.youtube.com/schemas/2007 > > <http://gdata.youtube.com/schemas/2007> > " > > > xmlns:gd="http://schemas.google.com/g/2005 > > <http://schemas.google.com/g/2005> > > > <http://schemas.google.com/g/2005 <http://schemas.google.com/g/2005> > > > "> > > > <id>http://gdata.youtube.com/feeds/api/videos > > <http://gdata.youtube.com/feeds/api/videos> > > > <http://gdata.youtube.com/feeds/api/videos > > <http://gdata.youtube.com/feeds/api/videos> > </id> > > > <updated>2008-05-22T07:54:46.868Z</updated> > > > <category scheme="http://schemas.google.com/g/2005#kind > > <http://schemas.google.com/g/2005#kind> > > > <http://schemas.google.com/g/2005#kind > > <http://schemas.google.com/g/2005#kind> > " > > > term="http://gdata.youtube.com/schemas/2007#video > > <http://gdata.youtube.com/schemas/2007#video> > > > <http://gdata.youtube.com/schemas/2007#video > > <http://gdata.youtube.com/schemas/2007#video> > "/> > > > <title type="text">YouTube Videos matching query: football > > > -soccer</title> > > > <logo>http://www.youtube.com/img/pic_youtubelogo_123x63.gif > > <http://www.youtube.com/img/pic_youtubelogo_123x63.gif> > > > <http://www.youtube.com/img/pic_youtubelogo_123x63.gif > > <http://www.youtube.com/img/pic_youtubelogo_123x63.gif> > </logo> > > > <link rel="alternate" type="text/html" href="http://www.youtube.com > > <http://www.youtube.com> > > > <http://www.youtube.com <http://www.youtube.com> > "/> > > > <link rel="http://schemas.google.com/g/2005#feed > > <http://schemas.google.com/g/2005#feed> > > > <http://schemas.google.com/g/2005#feed > > <http://schemas.google.com/g/2005#feed> > " > > > type="application/atom+xml" > > > href="http://gdata.youtube.com/feeds/api/videos > > <http://gdata.youtube.com/feeds/api/videos> > > > <http://gdata.youtube.com/feeds/api/videos > > <http://gdata.youtube.com/feeds/api/videos> > "/> > > > <link rel="self" type="application/atom+xml" > > > > > href="http://gdata.youtube.com/feeds/api/videos?start-index=11&max-r<http://gdata.youtube.com/feeds/api/videos?start-index=11&max-r> > > <http://gdata.youtube.com/feeds/api/videos?start-index=11&max-r<http://gdata.youtube.com/feeds/api/videos?start-index=11&max-r>> > > > > esults=10&orderby=published&vq=football+-soccer > > > > > <http://gdata.youtube.com/feeds/api/videos?start-index=11&max-result<http://gdata.youtube.com/feeds/api/videos?start-index=11&max-result> > > <http://gdata.youtube.com/feeds/api/videos?start-index=11&max-result<http://gdata.youtube.com/feeds/api/videos?start-index=11&max-result> > > > > > > s=10&orderby=published&vq=football+-soccer> "/> > > > <link rel="previous" type="application/atom+xml" > > > > > href="http://gdata.youtube.com/feeds/api/videos?start-index=1&max-re<http://gdata.youtube.com/feeds/api/videos?start-index=1&max-re> > > <http://gdata.youtube.com/feeds/api/videos?start-index=1&max-re<http://gdata.youtube.com/feeds/api/videos?start-index=1&max-re>> > > > > sults=10&orderby=published&vq=football+-soccer > > > > > <http://gdata.youtube.com/feeds/api/videos?start-index=1&max-results<http://gdata.youtube.com/feeds/api/videos?start-index=1&max-results> > > <http://gdata.youtube.com/feeds/api/videos?start-index=1&max-results<http://gdata.youtube.com/feeds/api/videos?start-index=1&max-results> > > > > > > =10&orderby=published&vq=football+-soccer> "/> > > > <link rel="next" type="application/atom+xml" > > > > > href="http://gdata.youtube.com/feeds/api/videos?start-index=21&max-r<http://gdata.youtube.com/feeds/api/videos?start-index=21&max-r> > > <http://gdata.youtube.com/feeds/api/videos?start-index=21&max-r<http://gdata.youtube.com/feeds/api/videos?start-index=21&max-r>> > > > > esults=10&orderby=published&vq=football+-soccer > > > > > <http://gdata.youtube.com/feeds/api/videos?start-index=21&max-result<http://gdata.youtube.com/feeds/api/videos?start-index=21&max-result> > > <http://gdata.youtube.com/feeds/api/videos?start-index=21&max-result<http://gdata.youtube.com/feeds/api/videos?start-index=21&max-result> > > > > > > s=10&orderby=published&vq=football+-soccer> "/> > > > <author> > > > <name>YouTube</name> > > > <uri>http://www.youtube.com/ <http://www.youtube.com/> > > <http://www.youtube.com/ <http://www.youtube.com/> > </uri> > > > </author> > > > ... > > > > > > So let's say I wanted to access the information in the logo element, > > > how would I do this? My code looks like this: > > > > > > public var myLoader:URLLoader; //declare this outside of a function. > > > The leading underscore is just a convention > > > public var myXML:XML; //this too > > > > > > private function initUrlLoader():void { > > > > > > var XML_URL:String > > > > > ="http://gdata.youtube.com/feeds/api/videos?vq=football+-soccer&orderby= > > <http://gdata.youtube.com/feeds/api/videos?vq=football+-soccer&orderby=> > > > > > published&start-index=11&max-results=10 > > > > > <http://gdata.youtube.com/feeds/api/videos?vq=football+-soccer&orderby=p > > <http://gdata.youtube.com/feeds/api/videos?vq=football+-soccer&orderby=p > > > > > > ublished&start-index=11&max-results=10> "; > > > var myXMLURL:URLRequest = new URLRequest(XML_URL); > > > myLoader = new URLLoader(myXMLURL); > > > myLoader.addEventListener("complete", xmlLoaded); > > > } > > > > > > private function xmlLoaded(event:Event):void > > > { > > > myXML = XML(myLoader.data); > > > trace("Data loaded."); > > > // I want to pop up the information in the logo element > > > Alert.show(myXML.logo); > > > } > > > > > > The alert box isn't showing anything though... What am I doing wrong? > > > Thanks > > > > > > > >
