(Delphi ActiveX) Google Contacts - Create New Contact

Demonstrates how to create a new contact for the Google Contacts API.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
xml: TChilkatXml;
jsonToken: TChilkatJsonObject;
success: Integer;
gAuth: TChilkatAuthGoogle;
rest: TChilkatRest;
bAutoReconnect: Integer;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// First create a new contact XML.
xml := TChilkatXml.Create(Self);
xml.Tag := 'atom:entry';
xml.AddAttribute('xmlns:atom','http://www.w3.org/2005/Atom');
xml.AddAttribute('xmlns:gd','http://schemas.google.com/g/2005');
xml.UpdateAttrAt('atom:category',1,'scheme','http://schemas.google.com/g/2005#kind');
xml.UpdateAttrAt('atom:category',1,'term','http://schemas.google.com/contact/2008#contact');
xml.UpdateChildContent('gd:name|gd:givenName','Elizabeth');
xml.UpdateChildContent('gd:name|gd:familyName','Bennet');
xml.UpdateChildContent('gd:name|gd:fullName','Elizabeth Bennet');
xml.UpdateAttrAt('atom:content',1,'type','text');
xml.UpdateChildContent('atom:content','Notes');
xml.UpdateAttrAt('gd:email',1,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:email',1,'primary','true');
xml.UpdateAttrAt('gd:email',1,'address','liz@gmail.com');
xml.UpdateAttrAt('gd:email',1,'displayName','E. Bennet');
xml.UpdateAttrAt('gd:email',1,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateAttrAt('gd:email',1,'address','liz@example.org');
xml.UpdateAttrAt('gd:phoneNumber',1,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:phoneNumber',1,'primary','true');
xml.UpdateChildContent('gd:phoneNumber','(206)555-1212');
xml.UpdateAttrAt('gd:phoneNumber',1,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateChildContent('gd:phoneNumber','(206)555-1213');
xml.UpdateAttrAt('gd:im',1,'address','liz@gmail.com');
xml.UpdateAttrAt('gd:im',1,'protocol','http://schemas.google.com/g/2005#GOOGLE_TALK');
xml.UpdateAttrAt('gd:im',1,'primary','true');
xml.UpdateAttrAt('gd:im',1,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateAttrAt('gd:structuredPostalAddress',1,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:structuredPostalAddress',1,'primary','true');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:city','Mountain View');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:street','1600 Amphitheatre Pkwy');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:region','CA');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:postcode','94043');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:country','United States');
xml.UpdateChildContent('gd:structuredPostalAddress|gd:formattedAddress','1600 Amphitheatre Pkwy Mountain View');

Memo1.Lines.Add(xml.GetXml());

// Created the following XML:

// 	<?xml version="1.0" encoding="utf-8" ?>
// 	<atom:entry xmlns:atom="http://www.w3.org/2005/Atom" xmlns:gd="http://schemas.google.com/g/2005">
// 	    <atom:category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" />
// 	    <gd:name>
// 	        <gd:givenName>Elizabeth</gd:givenName>
// 	        <gd:familyName>Bennet</gd:familyName>
// 	        <gd:fullName>Elizabeth Bennet</gd:fullName>
// 	    </gd:name>
// 	    <atom:content type="text">Notes</atom:content>
// 	    <gd:email primary="true" displayName="E. Bennet" rel="http://schemas.google.com/g/2005#home" address="liz@example.org" />
// 	    <gd:phoneNumber primary="true" rel="http://schemas.google.com/g/2005#home">(206)555-1213</gd:phoneNumber>
// 	    <gd:im address="liz@gmail.com" protocol="http://schemas.google.com/g/2005#GOOGLE_TALK" primary="true" rel="http://schemas.google.com/g/2005#home" />
// 	    <gd:structuredPostalAddress rel="http://schemas.google.com/g/2005#work" primary="true">
// 	        <gd:city>Mountain View</gd:city>
// 	        <gd:street>1600 Amphitheatre Pkwy</gd:street>
// 	        <gd:region>CA</gd:region>
// 	        <gd:postcode>94043</gd:postcode>
// 	        <gd:country>United States</gd:country>
// 	        <gd:formattedAddress>1600 Amphitheatre Pkwy Mountain View</gd:formattedAddress>
// 	    </gd:structuredPostalAddress>
// 	</atom:entry>

// --------------------------------------------------------------------------------------------------------
// 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

jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/googleContacts.json');
if (success <> 1) then
  begin
    Memo1.Lines.Add('Failed to load googleContacts.json');
    Exit;
  end;

gAuth := TChilkatAuthGoogle.Create(Self);
gAuth.AccessToken := jsonToken.StringOf('access_token');

rest := TChilkatRest.Create(Self);

// Connect using TLS.
bAutoReconnect := 1;
success := rest.Connect('www.google.com',443,1,bAutoReconnect);

// Provide the authentication credentials (i.e. the access token)
rest.SetAuthGoogle(gAuth.ControlInterface);

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

// To create a contact, we need to send the following:

// 	POST /m8/feeds/contacts/default/full
// 	Content-Type: application/atom+xml
// 	GData-Version: 3.0

rest.AddHeader('Content-Type','application/atom+xml');
rest.AddHeader('GData-Version','3.0');

sbRequestBody := TChilkatStringBuilder.Create(Self);
sbResponseBody := TChilkatStringBuilder.Create(Self);
xml.GetXmlSb(sbRequestBody.ControlInterface);
success := rest.FullRequestSb('POST','/m8/feeds/contacts/default/full',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// A successful response will have a status code equal to 201.
if (rest.ResponseStatusCode <> 201) then
  begin
    Memo1.Lines.Add('response status code = ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('response status text = ' + rest.ResponseStatusText);
    Memo1.Lines.Add('response header: ' + rest.ResponseHeader);
    Memo1.Lines.Add('response body: ' + sbResponseBody.GetAsString());
    Exit;
  end;

// If the 201 response was received, then the contact was successfully created,
// and there is no response body.
Memo1.Lines.Add('Contact created.');
end;