MACROMEDIA FLEX 2-MIGRATING APPLICATIONS TO FLEX 2 Uživatelský manuál stáhnout pdf (Strana 143)

Migrating WebService components 143

Migrating WebService components

The default value of the useProxy property is false. The WebService tags are now

configured in the

<proxy-service> section of the services-config.xml file or a file that it

includes by reference. They were previously described in the

<web-service-proxy> section

of the flex-config.xml file.

To bind service results in Flex 2, you use the

lastResult property of the service as the

binding source, as the following example shows:

<mx:Text text="{tempService.getTemp.lastResult}"/>

In Flex 1.5, the result property was the binding source.

Unnamed WebService

This section describes how to migrate unnamed WebService tags from Flex 1.5 to Flex 2.

For unnamed WebServices tags that set

useProxy="false", you are not required to make any

changes. These tags already ignore all server side configuration.

Flex 1.5 syntax

In Flex 1.5, you added an unnamed whitelist entry to the <web-service-proxy> section of

the configuration file.

MXML tag:

<mx:WebService id="MyService" wsdl="http://myServer.com/services/my.wsdl"/>

flex-config.xml file:

<web-service-proxy>

<url>http://myServer.com/services/*</url>

</unnamed>

</whitelist>

</web-service-proxy>

Flex 2 syntax

In Flex 2, the MXML tag syntax for an unnamed WebService is almost the same, but you

must also set the value of the

useProxy property to true. Flex 2 does not support the

protocol property that was available in Flex 1.5; the channel defines the protocol. In the

configuration file, you must specify a channel and an adapter that matches the value of the

wsdl attribute.

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MACROMEDIA FLEX 2-MIGRATING APPLICATIONS TO FLEX 2 Uživatelský manuál Strana 143