29.9 MAKE_REQUEST Function

Use this function to invoke a SOAP style Web service with the supplied SOAP envelope returning the results in an XMLTYPE.

Syntax

APEX_WEB_SERVICE.MAKE_REQUEST (
    p_url               IN VARCHAR2,
    p_action            IN VARCHAR2 default null,
    p_version           IN VARCHAR2 default '1.1',
    p_envelope          IN CLOB,
    p_username          IN VARCHAR2 default null,
    p_password          IN VARCHAR2 default null,
    p_scheme            IN VARCHAR2 default 'Basic',
    p_proxy_override    IN VARCHAR2 default null,
    p_transfer_timeout  IN NUMBER   default 180,
    p_wallet_path       IN VARCHAR2 default null,
    p_wallet_pwd        IN VARCHAR2 default null )
RETURN XMLTYPE;

Parameters

Table 29-4 MAKE_REQUEST Function Parameters

Parameter	Description
`p_url`	The URL endpoint of the Web service.
`p_action`	The SOAP Action corresponding to the operation to be invoked.
`p_version`	The SOAP version, 1.1 or 1.2. The default is 1.1.
`p_envelope`	The SOAP envelope to post to the service.
`p_username`	The username if basic authentication is required for this service.
`p_password`	The password if basic authentication is required for this service
`p_scheme`	The authentication scheme, Basic (default) or AWS or Digest or `OAUTH_CLIENT_CRED` if supported by your database release.
`p_proxy_override`	The proxy to use for the request. The proxy supplied overrides the proxy defined in the application attributes.
`p_transfer_timeout`	The amount of time in seconds to wait for a response.
`p_wallet_path`	The file system path to a wallet if the URL endpoint is https. For example, file:/usr/home/oracle/WALLETS. The wallet path provided overrides the wallet defined in the instance settings.
`p_wallet_pwd`	The password to access the wallet.

Example

The following example uses the make_request function to invoke a SOAP style Web service that returns movie listings. The result is stored in an XMLTYPE.

declare
    l_envelope CLOB;
    l_xml       XMLTYPE;
BEGIN
            l_envelope := ' <?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:tns="http://www.ignyte.com/whatsshowing"
xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <soap:Body>
        <tns:GetTheatersAndMovies>
            <tns:zipCode>43221</tns:zipCode>
            <tns:radius>5</tns:radius>
        </tns:GetTheatersAndMovies>
    </soap:Body>
</soap:Envelope>';
 
l_xml := apex_web_service.make_request(
    p_url => ' http://www.ignyte.com/webservices/ignyte.whatsshowing.webservice/moviefunctions.asmx',
   p_action => ' http://www.ignyte.com/whatsshowing/GetTheatersAndMovies',
   p_envelope => l_envelope
);
END