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<!-- ##### SECTION Title ##### -->
LassoDataService
<!-- ##### SECTION Short_Description ##### -->
ID-WSF Data Service Profile
<!-- ##### SECTION Long_Description ##### -->
<para>
XXX
</para>
<para>
Following up on #LassoDiscovery first example, it created a @service object,
this is a #LassoDataService instance. This example continues from that step
and retrieves the name of the principal:
</para>
<informalexample><programlisting><![CDATA[
char *soap_answer; /* SOAP answer from data service */
xmlNode *principal_name; /* libxml2 xmlNode with the principal name */
service = lasso_discovery_get_service(discovery);
lasso_data_service_init_query(service, "/pp:PP/pp:InformalName", NULL);
lasso_data_service_build_request_msg(service);
/*
* service must perform SOAP call to LASSO_WSF_PROFILE(service)->msg_url
* the SOAP message is LASSO_WSF_PROFILE(service)->msg_body. The answer
* is stored in char* soap_answer;
*/
lasso_data_service_process_query_response_msg(service, soap_answer);
principal_name = lasso_data_service_get_answer(service, "/pp:PP/pp:InformalName");
/*
* app should probably then use xmlNodeGetContent libxml2 function to get
* access to node content.
*/
]]></programlisting></informalexample>
<!-- ##### SECTION See_Also ##### -->
<para>
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT LassoDataService ##### -->
<para>
</para>
@resource_id:
@encrypted_resource_id:
@resource_data:
@provider_id:
@abstract_description:
<!-- ##### FUNCTION lasso_data_service_new ##### -->
<para>
</para>
@server:
@Returns:
<!-- ##### FUNCTION lasso_data_service_init_query ##### -->
<para>
</para>
@service:
@select:
@item_id:
@Returns:
<!-- ##### FUNCTION lasso_data_service_add_query_item ##### -->
<para>
</para>
@service:
@select:
@item_id:
@Returns:
<!-- ##### FUNCTION lasso_data_service_process_query_msg ##### -->
<para>
</para>
@service:
@message:
@Returns:
<!-- ##### FUNCTION lasso_data_service_build_response_msg ##### -->
<para>
</para>
@service:
@Returns:
<!-- ##### FUNCTION lasso_data_service_process_query_response_msg ##### -->
<para>
</para>
@service:
@message:
@Returns:
<!-- ##### FUNCTION lasso_data_service_get_answer ##### -->
<para>
</para>
@service:
@select:
@Returns:
<!-- ##### FUNCTION lasso_data_service_get_answer_for_item_id ##### -->
<para>
</para>
@service:
@item_id:
@Returns:
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