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(PowerShell) Google Contacts - Retrieve as JSON

Demonstrates how to retrieve Google Contacts as JSON.

Chilkat .NET Downloads

Chilkat .NET Assemblies

Chilkat for Mono

[Reflection.Assembly]::LoadFile("C:\myAssemblies\ChilkatDotNet2.dll")

#  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 = New-Object Chilkat.JsonObject
$success = $jsonToken.LoadFile("qa_data/tokens/googleContacts.json")
if ($success -ne $true) {
    $("Failed to load googleContacts.json")
    exit
}

$gAuth = New-Object Chilkat.AuthGoogle
$gAuth.AccessToken = $jsonToken.StringOf("access_token")

$rest = New-Object Chilkat.Rest

#  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 retrieve the contacts, we need to send the following:

#  	GET /m8/feeds/contacts/default/full
#  	GData-Version: 3.0

#  To get the contacts data in JSON format, set the "alt" query parameter to "json"
$rest.AddQueryParam("alt","json")
$rest.AddHeader("GData-Version","3.0")

$sbResponseBody = New-Object Chilkat.StringBuilder
$success = $rest.FullRequestNoBodySb("GET","/m8/feeds/contacts/default/full",$sbResponseBody)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

#  A successful response will have a status code equal to 200.
if ($rest.ResponseStatusCode -ne 200) {
    $("response status code = " + $rest.ResponseStatusCode)
    $("response status text = " + $rest.ResponseStatusText)
    $("response header: " + $rest.ResponseHeader)
    $("response body: " + $sbResponseBody.GetAsString())
    exit
}

#  If the 200 response was received, then the contacts JSON is contained
#  in the response body.
$json = New-Object Chilkat.JsonObject
$json.LoadSb($sbResponseBody)
$json.EmitCompact = $false

#  Save the pretty-printed JSON response to a file.
$sbResponseBody.Clear()
$json.EmitSb($sbResponseBody)
$sbResponseBody.WriteFile("qa_output/google_contacts.json","utf-8",$false)

#  Parse the Google Contacts JSON, and iterate over the contacts..
$totalResults = $json.IntOf("feed.openSearch$totalResults.$t")
$startIndex = $json.IntOf("feed.openSearch$startIndex.$t")
$itemsPerPage = $json.IntOf("feed.openSearch$itemsPerPage.$t")
$("totalResults = " + $totalResults)
$("startIndex = " + $startIndex)
$("itemsPerPage = " + $itemsPerPage)

$numEntries = $json.SizeOfArray("feed.entry")
$i = 0
while ($i -lt $numEntries) {
    $json.I = $i
    $([string]$i + 1 + " ----")
    $("title: " + $json.StringOf("feed.entry[i].title.$t"))

    $fullName = $json.StringOf("feed.entry[i].gd$name.gd$fullName.$t")
    if ($json.LastMethodSuccess -eq $true) {
        $("fullName: " + $fullName)
    }

    #  There can be multiple email addresses, so it's stored as a JSON array..
    $numEmailAddresses = $json.SizeOfArray("feed.entry[i].gd$email")
    $j = 0
    while ($j -lt $numEmailAddresses) {
        $emailAddress = $json.StringOf("feed.entry[i].gd$email[j].address")
        if ($json.LastMethodSuccess -eq $true) {
            $("email address: " + $emailAddress)
        }

        $j = $j + 1
    }

    $i = $i + 1
}

#  A sample Google Contacts JSON response:

#  	{
#  	  "version": "1.0",
#  	  "encoding": "UTF-8",
#  	  "feed": {
#  	    "xmlns": "http://www.w3.org/2005/Atom",
#  	    "xmlns$openSearch": "http://a9.com/-/spec/opensearch/1.1/",
#  	    "xmlns$gContact": "http://schemas.google.com/contact/2008",
#  	    "xmlns$batch": "http://schemas.google.com/gdata/batch",
#  	    "xmlns$gd": "http://schemas.google.com/g/2005",
#  	    "gd$etag": "\"QHw5eTVSLyt7I2A9XRFaE0kNTwI.\"",
#  	    "id": {
#  	      "$t": "chilkat.support@gmail.com"
#  	    },
#  	    "updated": {
#  	      "$t": "2016-11-17T01:57:41.221Z"
#  	    },
#  	    "category": [
#  	      {
#  	        "scheme": "http://schemas.google.com/g/2005#kind",
#  	        "term": "http://schemas.google.com/contact/2008#contact"
#  	      }
#  	    ],
#  	    "title": {
#  	      "$t": "Chilkat Support's Contacts"
#  	    },
#  	    "link": [
#  	      {
#  	        "rel": "alternate",
#  	        "type": "text/html",
#  	        "href": "https://www.googleapis.com/"
#  	      },
#  	      {
#  	        "rel": "http://schemas.google.com/g/2005#feed",
#  	        "type": "application/atom+xml",
#  	        "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full"
#  	      },
#  	      {
#  	        "rel": "http://schemas.google.com/g/2005#post",
#  	        "type": "application/atom+xml",
#  	        "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full"
#  	      },
#  	      {
#  	        "rel": "http://schemas.google.com/g/2005#batch",
#  	        "type": "application/atom+xml",
#  	        "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full/batch"
#  	      },
#  	      {
#  	        "rel": "self",
#  	        "type": "application/atom+xml",
#  	        "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full?max-results=25&alt=json"
#  	      },
#  	      {
#  	        "rel": "next",
#  	        "type": "application/atom+xml",
#  	        "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full?max-results=25&alt=json&start-index=26"
#  	      }
#  	    ],
#  	    "author": [
#  	      {
#  	        "name": {
#  	          "$t": "Chilkat Support"
#  	        },
#  	        "email": {
#  	          "$t": "chilkat.support@gmail.com"
#  	        }
#  	      }
#  	    ],
#  	    "generator": {
#  	      "version": "1.0",
#  	      "uri": "http://www.google.com/m8/feeds",
#  	      "$t": "Contacts"
#  	    },
#  	    "openSearch$totalResults": {
#  	      "$t": "350"
#  	    },
#  	    "openSearch$startIndex": {
#  	      "$t": "1"
#  	    },
#  	    "openSearch$itemsPerPage": {
#  	      "$t": "25"
#  	    },
#  	    "entry": [
#  	      {
#  	        "id": {
#  	          "$t": "http://www.google.com/m8/feeds/contacts/chilkat.support%40gmail.com/base/0"
#  	        },
#  	        "gd$etag": "\"SX8zcTVSLyt7I2A9WxBXFU4MQwI.\"",
#  	        "updated": {
#  	          "$t": "2010-01-26T20:07:48.189Z"
#  	        },
#  	        "app$edited": {
#  	          "xmlns$app": "http://www.w3.org/2007/app",
#  	          "$t": "2010-01-26T20:07:48.189Z"
#  	        },
#  	        "category": [
#  	          {
#  	            "scheme": "http://schemas.google.com/g/2005#kind",
#  	            "term": "http://schemas.google.com/contact/2008#contact"
#  	          }
#  	        ],
#  	        "title": {
#  	          "$t": "Joe Sample"
#  	        },
#  	        "link": [
#  	          {
#  	            "rel": "http://schemas.google.com/contacts/2008/rel#photo",
#  	            "type": "image/*",
#  	            "href": "https://www.googleapis.com/m8/feeds/photos/media/chilkat.support%40gmail.com/0"
#  	          },
#  	          {
#  	            "rel": "self",
#  	            "type": "application/atom+xml",
#  	            "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full/0"
#  	          },
#  	          {
#  	            "rel": "edit",
#  	            "type": "application/atom+xml",
#  	            "href": "https://www.googleapis.com/m8/feeds/contacts/chilkat.support%40gmail.com/full/0"
#  	          }
#  	        ],
#  	        "gd$name": {
#  	          "gd$fullName": {
#  	            "$t": "Joe Sample"
#  	          },
#  	          "gd$givenName": {
#  	            "$t": "Joe"
#  	          },
#  	          "gd$familyName": {
#  	            "$t": "Sample"
#  	          }
#  	        },
#  	        "gd$email": [
#  	          {
#  	            "address": "somebody@gmail.com",
#  	            "primary": "true",
#  	            "rel": "http://schemas.google.com/g/2005#other"
#  	          }
#  	        ]
#  	      },
#  		... more entries ...
#  	}

 

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