(SQL Server) Retrieve a Single Contact

Demonstrates how to retrieve a single contact (by contactId) for the Google Contacts API.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    -- --------------------------------------------------------------------------------------------------------
    -- Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
    -- Once connected, the REST object may be re-used for many REST API calls.
    -- (It's a good idea to put the connection setup code in a separate function/subroutine.)
    -- --------------------------------------------------------------------------------------------------------

    -- It is assumed we previously obtained an OAuth2 access token.
    -- This example loads the JSON access token file 
    -- saved by this example: Get Google Contacts OAuth2 Access Token

    DECLARE @jsonToken int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/googleContacts.json'
    IF @success <> 1
      BEGIN

        PRINT 'Failed to load googleContacts.json'
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END

    DECLARE @gAuth int
    -- Use "Chilkat_9_5_0.AuthGoogle" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.AuthGoogle', @gAuth OUT

    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
    EXEC sp_OASetProperty @gAuth, 'AccessToken', @sTmp0

    DECLARE @rest int
    -- Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Rest', @rest OUT

    -- Connect using TLS.
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'www.google.com', 443, 1, @bAutoReconnect

    -- Provide the authentication credentials (i.e. the access token)
    EXEC sp_OAMethod @rest, 'SetAuthGoogle', @success OUT, @gAuth

    -- ----------------------------------------------
    -- OK, the REST connection setup is completed..
    -- ----------------------------------------------

    -- To retrieve the contact, send the following:

    -- 	GET /m8/feeds/contacts/default/full/{contactId}
    -- 	GData-Version: 3.0

    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'GData-Version', '3.0'

    DECLARE @sbPath int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbPath OUT

    EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/m8/feeds/contacts/default/full/{contactId}'
    -- Get the contact having contactId = "7b1c7b6409e718a0"
    DECLARE @numReplacements int
    EXEC sp_OAMethod @sbPath, 'Replace', @numReplacements OUT, '{contactId}', '7b1c7b6409e718a0'

    DECLARE @sbResponseBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @sbPath, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'GET', @sTmp0, @sbResponseBody
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbPath
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    -- A successful response will have a status code equal to 200.
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN

        EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
        PRINT 'response status code = ' + @iTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
        PRINT 'response status text = ' + @sTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT 'response header: ' + @sTmp0

        EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
        PRINT 'response body: ' + @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbPath
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    -- If the 200 response was received, then the contacts XML is contained
    -- in the response body.
    DECLARE @xml int
    -- Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT

    EXEC sp_OAMethod @xml, 'LoadSb', @success OUT, @sbResponseBody, 0

    -- See below for a sample response body.
    EXEC sp_OAMethod @xml, 'SaveXml', @success OUT, 'qa_output/google_contact.xml'

    -- Now let's parse the XML...

    EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'title'
    PRINT 'title: ' + @sTmp0

    DECLARE @emailAddress nvarchar(4000)
    EXEC sp_OAMethod @xml, 'ChilkatPath', @emailAddress OUT, 'gd:email|(address)'
    EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 1
      BEGIN

        PRINT 'email address: ' + @emailAddress
      END

    -- The response body XML looks something like this:

    -- 	<?xml version="1.0" encoding="UTF-8" ?>
    -- 	<entry gd:etag="&quot;R3kzezVSLit7I2A9XRFaFE8DQAU.&quot;" xmlns="http://www.w3.org/2005/Atom" xmlns:batch="http://schemas.google.com/gdata/batch" xmlns:gContact="http://schemas.google.com/contact/2008" xmlns:gd="http://schemas.google.com/g/2005">
    -- 	    <id>http://www.google.com/m8/feeds/contacts/support%40chilkatcloud.com/base/7b1c7b6409e718a0</id>
    -- 	    <updated>2016-11-18T00:41:56.783Z</updated>
    -- 	    <app:edited xmlns:app="http://www.w3.org/2007/app">2016-11-18T00:41:56.783Z</app:edited>
    -- 	    <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" />
    -- 	    <title>Chilkat Cloud</title>
    -- 	    <link rel="http://schemas.google.com/contacts/2008/rel#photo" type="image/*" href="https://www.googleapis.com/m8/feeds/photos/media/support%40chilkatcloud.com/7b1c7b6409e718a0" gd:etag="&quot;fgVhPls4Sit7I2BWHUlTWkQMKHUZKHkkaiw.&quot;" />
    -- 	    <link rel="self" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" />
    -- 	    <link rel="edit" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" />
    -- 	    <gd:name>
    -- 	        <gd:fullName>Chilkat Cloud</gd:fullName>
    -- 	        <gd:givenName>Chilkat</gd:givenName>
    -- 	        <gd:familyName>Cloud</gd:familyName>
    -- 	    </gd:name>
    -- 	    <gd:email rel="http://schemas.google.com/g/2005#other" address="support@chilkatcloud.com" primary="true" />
    -- 	    <gContact:groupMembershipInfo deleted="false" href="http://www.google.com/m8/feeds/groups/support%40chilkatcloud.com/base/6" />
    -- 	</entry>

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @gAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @sbPath
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @xml


END
GO