Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
Google Contacts - Create New Contact
See more Google APIs Examples
Demonstrates how to create a new contact for the Google Contacts API.Chilkat Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.StringBuilder,
Chilkat.AuthGoogle,
Chilkat.Xml,
Chilkat.JsonObject,
Chilkat.Rest;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
xml: TXml;
jsonToken: TJsonObject;
gAuth: TAuthGoogle;
rest: TRest;
bAutoReconnect: Boolean;
sbRequestBody: TStringBuilder;
sbResponseBody: TStringBuilder;
begin
success := False;
// 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 := TXml.Create;
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',True,'scheme','http://schemas.google.com/g/2005#kind');
xml.UpdateAttrAt('atom:category',True,'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',True,'type','text');
xml.UpdateChildContent('atom:content','Notes');
xml.UpdateAttrAt('gd:email',True,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:email',True,'primary','true');
xml.UpdateAttrAt('gd:email',True,'address','liz@gmail.com');
xml.UpdateAttrAt('gd:email',True,'displayName','E. Bennet');
xml.UpdateAttrAt('gd:email',True,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateAttrAt('gd:email',True,'address','liz@example.org');
xml.UpdateAttrAt('gd:phoneNumber',True,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:phoneNumber',True,'primary','true');
xml.UpdateChildContent('gd:phoneNumber','(206)555-1212');
xml.UpdateAttrAt('gd:phoneNumber',True,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateChildContent('gd:phoneNumber','(206)555-1213');
xml.UpdateAttrAt('gd:im',True,'address','liz@gmail.com');
xml.UpdateAttrAt('gd:im',True,'protocol','http://schemas.google.com/g/2005#GOOGLE_TALK');
xml.UpdateAttrAt('gd:im',True,'primary','true');
xml.UpdateAttrAt('gd:im',True,'rel','http://schemas.google.com/g/2005#home');
xml.UpdateAttrAt('gd:structuredPostalAddress',True,'rel','http://schemas.google.com/g/2005#work');
xml.UpdateAttrAt('gd:structuredPostalAddress',True,'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');
WriteLn(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 := TJsonObject.Create;
success := jsonToken.LoadFile('qa_data/tokens/googleContacts.json');
if (success <> True) then
begin
WriteLn('Failed to load googleContacts.json');
Exit;
end;
gAuth := TAuthGoogle.Create;
gAuth.AccessToken := jsonToken.StringOf('access_token');
rest := TRest.Create;
// Connect using TLS.
bAutoReconnect := True;
success := rest.Connect('www.google.com',443,True,bAutoReconnect);
// Provide the authentication credentials (i.e. the access token)
rest.SetAuthGoogle(gAuth);
// ----------------------------------------------
// 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 := TStringBuilder.Create;
sbResponseBody := TStringBuilder.Create;
xml.GetXmlSb(sbRequestBody);
success := rest.FullRequestSb('POST','/m8/feeds/contacts/default/full',sbRequestBody,sbResponseBody);
if (success <> True) then
begin
WriteLn(rest.LastErrorText);
Exit;
end;
// A successful response will have a status code equal to 201.
if (rest.ResponseStatusCode <> 201) then
begin
WriteLn('response status code = ' + rest.ResponseStatusCode);
WriteLn('response status text = ' + rest.ResponseStatusText);
WriteLn('response header: ' + rest.ResponseHeader);
WriteLn('response body: ' + sbResponseBody.GetAsString());
Exit;
end;
// If the 201 response was received, then the contact was successfully created,
// and there is no response body.
WriteLn('Contact created.');
xml.Free;
jsonToken.Free;
gAuth.Free;
rest.Free;
sbRequestBody.Free;
sbResponseBody.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.