B4X
B4X
Retrieve a Single Contact
See more Google APIs Examples
Demonstrates how to retrieve a single contact (by contactId) for the Google Contacts API.Chilkat B4X Downloads
Dim success As Boolean = False
' 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
Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
success = jsonToken.LoadFile("qa_data/tokens/googleContacts.json")
If success <> True Then
Log("Failed to load googleContacts.json")
Return
End If
Dim gAuth As ChilkatAuthGoogle
gAuth.Initialize("gAuth")
gAuth.AccessToken = jsonToken.StringOf("access_token")
Dim rest As ChilkatRest
rest.Initialize("rest")
' Connect using TLS.
Dim bAutoReconnect As Boolean = 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 retrieve the contact, send the following:
' GET /m8/feeds/contacts/default/full/{contactId}
' GData-Version: 3.0
rest.AddHeader("GData-Version", "3.0")
Dim sbPath As ChilkatStringBuilder
sbPath.Initialize
sbPath.Append("/m8/feeds/contacts/default/full/{contactId}")
' Get the contact having contactId = "7b1c7b6409e718a0"
Dim numReplacements As Int = sbPath.Replace("{contactId}", "7b1c7b6409e718a0")
Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
success = rest.FullRequestNoBodySb("GET", sbPath.GetAsString, sbResponseBody)
If success <> True Then
Log(rest.LastErrorText)
Return
End If
' A successful response will have a status code equal to 200.
If rest.ResponseStatusCode <> 200 Then
Log("response status code = " & rest.ResponseStatusCode)
Log("response status text = " & rest.ResponseStatusText)
Log("response header: " & rest.ResponseHeader)
Log("response body: " & sbResponseBody.GetAsString)
Return
End If
' If the 200 response was received, then the contacts XML is contained
' in the response body.
Dim xml As ChilkatXml
xml.Initialize
xml.LoadSb(sbResponseBody, False)
' See below for a sample response body.
xml.SaveXml("qa_output/google_contact.xml")
' Now let's parse the XML...
Log("title: " & xml.GetChildContent("title"))
Dim emailAddress As String = xml.ChilkatPath("gd:email|(address)")
If xml.LastMethodSuccess = True Then
Log("email address: " & emailAddress)
End If
' The response body XML looks something like this:
' <?xml version="1.0" encoding="UTF-8" ?>
' <entry gd:etag=""R3kzezVSLit7I2A9XRFaFE8DQAU."" 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=""fgVhPls4Sit7I2BWHUlTWkQMKHUZKHkkaiw."" />
' <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>