Giving an URL connection established through the function http.connection returns the value of a field on the header indicated through the attribute name.

1 http.connection.getHeaderField

<http.connection.getHeaderField name='name'>
    <http_connection /> !
</http.connection.getHeaderField>

Attributes
Name	Type	Required	Default	Description
Aname	string				Name of the field on the header.

Arguments
Name	Type	Required	Unique	Nullable	Description
Ehttp_connection	HttpURLConnectionWrapper				URL connection established to a web address.

Returns
Type	Description
string	Returns the value of the field on the header indicated in the established URL connection.

Example

Obtain the value of the field on the header of an URL connection. The function http.connection returns an URL connection, and with http.conection.getHeaderField the value of the field Set-Cookie is read. The function println shows the content by console.

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<xsql-script name='http_connection_ghf'>
    <body>
        <set name='m_cookie'>
            <http.connection.getHeaderField name='Set-Cookie'>
                <http.connection url='http://www.google.es' />
            </http.connection.getHeaderField>
        </set>

        <println><m_cookie /></println>
    </body>
</xsql-script>