MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 135)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

132

XML.namespaceURI

my_xml.namespaceURI

Read-only; if the XML node has a prefix, the value of the xmlns declaration for that prefix (the URI), which is

typically called the namespace URI. The

xmlns declaration is in the current node or in a node higher in the XML

hierarchy.

If the XML node does not have a prefix, the value of the

namespaceURI property depends on whether a default

namespace is defined (as in

xmlns="http://www.example.com/"). If there is a default namespace, the value of the

namespaceURI property is the value of the default namespace. If there is no default namespace, the namespaceURI

property for that node is an empty string (

"").

You c an u s e t h e

XML.getNamespaceForPrefix() method to identify the namespace associated with a specific

prefix. The

namespaceURI property returns the prefix associated with the node name.

Availability

Flash Media Server 2

Example

The following example shows how the

namespaceURI property is affected by the use of prefixes. The XML file used

in the example is named SoapSample.xml and contains the following tags:

<?xml version="1.0"?>

<soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope">

<soap:Body xmlns:w="http://www.example.com/weather">

<w:GetTemperature>

<w:City>San Francisco</w:City>

</w:GetTemperature>

</soap:Body>

</soap:Envelope>

The source for the Server-Side ActionScript Communication File (ASC file) contains the following script (note the

comments for the Output strings). For

tempNode, which represents the w:GetTemperature node, the value of

namespaceURI is defined in the soap:Body tag. For soapBodyNode, which represents the soap:Body node, the

value of

namespaceURI is determined by the definition of the soap prefix in the node above it, rather than the

definition of the

w prefix that the soap:Body node contains.

var xmlDoc = new XML();

xmlDoc.load("http://www.example.com/SoapSample.xml");

xmlDoc.ignoreWhite = true;

xmlDoc.onLoad = function(success:Boolean) {

var tempNode:XMLNode = xmlDoc.childNodes[0].childNodes[0].childNodes[0];

trace("w:GetTemperature namespaceURI: " + tempNode.namespaceURI);

// Output: ... http://www.example.com/weather

trace("w:GetTemperature soap namespace: " + tempNode.getNamespaceForPrefix("soap"));

// Output: ... http://www.w3.org/2001/12/soap-envelope

var soapBodyNode = xmlDoc.childNodes[0].childNodes[0];

trace("soap:Envelope namespaceURI: " + soapBodyNode.namespaceURI);

// Output: ... http://www.w3.org/2001/12/soap-envelope

The following example uses XML tags without prefixes. It uses a SWF file and an XML file located in the same

directory. The XML file, named NoPrefix.xml, contains the following tags:

<?xml version="1.0"?>

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