Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Delphi ActiveX Examples

ASN.1
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
Facebook
Firebase
GMail REST API
GeoOp
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Sheets
Gzip
HTML-to-XML/Text
HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)

Jira
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
PayPal
Peoplevox
QuickBooks
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Shopify
Socket/SSL/TLS
Spider
Stream
Stripe
SugarCRM
Tar Archive
Twitter
Upload
VoiceBase
Walmart
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Xero
Zip
curl
eBay

 

 

 

(Delphi ActiveX) Find Contact Having Email Address

Demonstrates how to fetch the Google Contact for a given email address.

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_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
jsonToken: TChilkatJsonObject;
success: Integer;
gAuth: TChilkatAuthGoogle;
rest: TChilkatRest;
bAutoReconnect: Integer;
emailAddressToFind: WideString;
sbResponseBody: TChilkatStringBuilder;
xml: TChilkatXml;
totalResults: Integer;
startIndex: Integer;
itemsPerPage: Integer;
fac: TCkFileAccess;
numEntries: Integer;
i: Integer;
idUrl: WideString;
contactId: WideString;
fullName: WideString;
emailAddress: WideString;

begin
//  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

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 retrieve the contacts, we need to send the following:

//  	GET /m8/feeds/contacts/default/full?q=<emailAddress>
//  	GData-Version: 3.0

//  Get the contact (or contacts) with this email address:
emailAddressToFind := 'admin@chilkatsoft.com';

rest.AddHeader('GData-Version','3.0');
rest.AddQueryParam('q',emailAddressToFind);

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

//  A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode <> 200) 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 200 response was received, then the contacts XML is contained
//  in the response body.
xml := TChilkatXml.Create(Self);
xml.LoadSb(sbResponseBody.ControlInterface,0);

//  See below for a sample response body.
xml.SaveXml('qa_output/google_contacts.xml');

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

//  Get the the total number of results, the start index, and the items per page.
//  We'll likely NOT get the full list, but will instead get the 1st page.
totalResults := xml.GetChildIntValue('openSearch:totalResults');
startIndex := xml.GetChildIntValue('openSearch:startIndex');
itemsPerPage := xml.GetChildIntValue('openSearch:itemsPerPage');
Memo1.Lines.Add('totalResults = ' + IntToStr(totalResults));
Memo1.Lines.Add('startIndex = ' + IntToStr(startIndex));
Memo1.Lines.Add('itemsPerPage = ' + IntToStr(itemsPerPage));

//  We'll borrow a method from FileAccess to get the contactId from the URL string (see the code in the while loop)
fac := TCkFileAccess.Create(Self);

//  Iterate over each contact.
numEntries := xml.NumChildrenHavingTag('entry');
i := 0;
while i < numEntries do
  begin
    xml.I := i;
    Memo1.Lines.Add(IntToStr(i + 1) + ' ----');
    Memo1.Lines.Add('title: ' + xml.GetChildContent('entry[i]|title'));

    //  The entry "id" child contains a URL having this format:
    //  <id>http://www.google.com/m8/feeds/contacts/{userEmail}/base/{contactId}</id>
    //  Let's get the URL and parse the contactId from it..
    idUrl := xml.GetChildContent('entry[i]|id');
    Memo1.Lines.Add('id: ' + idUrl);

    //  Use the parsing ability of GetFileName to get the contactId
    contactId := fac.GetFileName(idUrl);
    Memo1.Lines.Add('contactId: ' + contactId);

    fullName := xml.ChilkatPath('entry[i]|gd:name|gd:fullName|*');
    if (xml.LastMethodSuccess = 1) then
      begin
        Memo1.Lines.Add('fullName: ' + fullName);
      end;

    emailAddress := xml.ChilkatPath('entry[i]|gd:email|(address)');
    if (xml.LastMethodSuccess = 1) then
      begin
        Memo1.Lines.Add('email address: ' + emailAddress);
      end;

    i := i + 1;
  end;
end;

 

© 2000-2016 Chilkat Software, Inc. All Rights Reserved.