VB.NET
VB.NET
Get GMail Message format=full
See more GMail REST API Examples
Examines the JSON returned when getting a message using format=full.Chilkat VB.NET Downloads
Dim success As Boolean = False
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
http.AuthToken = "ACCESS_TOKEN"
http.Accept = "application/json"
' This is the ID for a particular message in our mailbox...
Dim id As String = "1712bc1dc22da2a2"
' Download the message using format=full
http.SetUrlVar("id",id)
Dim resp As New Chilkat.HttpResponse
success = http.HttpNoBody("GET","https://www.googleapis.com/gmail/v1/users/userId/messages/{$id}?format=full",resp)
If (success = False) Then
Debug.WriteLine(http.LastErrorText)
Exit Sub
End If
Debug.WriteLine("Response Status Code: " & resp.StatusCode)
Dim json As New Chilkat.JsonObject
json.Load(resp.BodyStr)
json.EmitCompact = False
Debug.WriteLine(json.Emit())
If (resp.StatusCode <> 200) Then
Debug.WriteLine("Failed.")
Exit Sub
End If
' Use this online tool to generate parsing code from sample JSON:
' Generate Parsing Code from JSON
' Here is a sample "format=full" response that contains 4 attachments:
' The JSON parsing source code is shown below...
' {
' "id": "1712bc1dc22da2a2",
' "threadId": "1712bc1dc22da2a2",
' "labelIds": [
' "UNREAD",
' "IMPORTANT",
' "CATEGORY_PERSONAL",
' "INBOX"
' ],
' "snippet": "Hello, this is a test email with attachments..",
' "historyId": "759379",
' "internalDate": "1585577056000",
' "payload": {
' "partId": "",
' "mimeType": "multipart/mixed",
' "filename": "",
' "headers": [
' {
' "name": "Delivered-To",
' "value": "chilkat.support@gmail.com"
' },
' {
' "name": "Received",
' "value": "..."
' },
' {
' "name": "X-Received",
' "value": "..."
' },
' {
' "name": "X-Google-Smtp-Source",
' "value": "..."
' },
' {
' "name": "X-Received",
' "value": "..."
' },
' {
' "name": "ARC-Seal",
' "value": "..."
' },
' {
' "name": "ARC-Message-Signature",
' "value": "..."
' },
' {
' "name": "ARC-Authentication-Results",
' "value": "..."
' },
' {
' "name": "Return-Path",
' "value": "..."
' },
' {
' "name": "Received",
' "value": "..."
' },
' {
' "name": "Received-SPF",
' "value": "..."
' },
' {
' "name": "Authentication-Results",
' "value": "..."
' },
' {
' "name": "DKIM-Signature",
' "value": "..."
' },
' {
' "name": "DKIM-Signature",
' "value": "..."
' },
' {
' "name": "Subject",
' "value": "Test email with attachments"
' },
' {
' "name": "From",
' "value": "..."
' },
' {
' "name": "To",
' "value": "..."
' },
' {
' "name": "Date",
' "value": "Mon, 30 Mar 2020 14:04:16 +0000"
' },
' {
' "name": "Mime-Version",
' "value": "1.0"
' },
' {
' "name": "Content-Type",
' "value": "multipart/mixed; boundary=\"=_wNvwW3YTnQBZ24pmfFNfay3S6M-pHT7KdZIkXwYF-BFiPYNE\""
' },
' {
' "name": "References",
' "value": "..."
' },
' {
' "name": "X-Mailer",
' "value": "..."
' },
' {
' "name": "Thread-Index",
' "value": "AQHWBpwYB0UZvgGPT1KluJJUCF0BGg=="
' },
' {
' "name": "Thread-Topic",
' "value": "Test email with attachments"
' },
' {
' "name": "Message-ID",
' "value": "..."
' },
' {
' "name": "X-SES-Outgoing",
' "value": "2020.03.30-54.240.27.106"
' },
' {
' "name": "Feedback-ID",
' "value": "..."
' }
' ],
' "body": {
' "size": 0
' },
' "parts": [
' {
' "partId": "0",
' "mimeType": "multipart/alternative",
' "filename": "",
' "headers": [
' {
' "name": "Content-Type",
' "value": "multipart/alternative; boundary=\"=_wNvwHW2hdOZkYPaJAhdOY4+XBEFNAcvIZ1sQcW4JkBcAdDqA\""
' }
' ],
' "body": {
' "size": 0
' },
' "parts": [
' {
' "partId": "0.0",
' "mimeType": "text/plain",
' "filename": "",
' "headers": [
' {
' "name": "Content-Type",
' "value": "text/plain; charset=UTF-8"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "7bit"
' }
' ],
' "body": {
' "size": 129,
' "data": "SGVsbG8sIHRoaXMgaXMgYSB0ZXN0IGVtYWlsIHdpdGggYXR0YWNobWVudHMuLg0KIA0KIA0KIA0KLS0gDQogQmVzdCBSZWdhcmRzLA0KIE1hdHQgRmF1c2V5DQogQ2hpbGthdCBTb2Z0d2FyZSwgSW5jLiANCg0KIA0KDQogDQog"
' }
' },
' {
' "partId": "0.1",
' "mimeType": "multipart/related",
' "filename": "",
' "headers": [
' {
' "name": "Content-Type",
' "value": "multipart/related; boundary=\"=_wNvw-LQZP2xD5vBm4q4esgoD5F4j3w+DRPUkkzOidpnpXAre\""
' }
' ],
' "body": {
' "size": 0
' },
' "parts": [
' {
' "partId": "0.1.0",
' "mimeType": "text/html",
' "filename": "",
' "headers": [
' {
' "name": "Content-Type",
' "value": "text/html; charset=utf-8"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "7bit"
' }
' ],
' "body": {
' "size": 530,
' "data": "PGh0bWw-DQogIDxoZWFkPg0KDQogICAgPG1ldGEgaHR0cC1lcXVpdj0iY29udGVudC10eXBlIiBjb250ZW50PSJ0ZXh0L2h0bWw7IGNoYXJzZXQ9VVRGLTgiPg0KICA8L2hlYWQ-DQogIDxib2R5Pg0KICAgIEhlbGxvLCB0aGlzIGlzIGE8Zm9udCBjb2xvcj0iI2ZmMDAwMCI-IHRlc3Q8L2ZvbnQ-IGVtYWlsIHdpdGgNCiAgICBhdHRhY2htZW50cy4uPGJyPg0KICAgIDxicj4NCiAgICA8aW1nIG1vei1kby1ub3Qtc2VuZD0iZmFsc2UiDQogICAgICBzcmM9ImNpZDpwYXJ0MS5GMEI1MzVEQi5DQjZFN0ExMkBjaGlsa2F0c29mdC5jb20iIGFsdD0ic2VhaG9yc2UiDQogICAgICB3aWR0aD0iMTIwIiBoZWlnaHQ9IjEyMCI-PGJyPg0KICAgIDxkaXYgY2xhc3M9Im1vei1zaWduYXR1cmUiPi0tIDxicj4NCiAgICAgIEJlc3QgUmVnYXJkcyw8YnI-DQogICAgICBNYXR0IEZhdXNleTxicj4NCiAgICAgIENoaWxrYXQgU29mdHdhcmUsIEluYy4NCiAgICAgIDxwPg0KICAgICAgPC9wPg0KICAgIDwvZGl2Pg0KICA8L2JvZHk-DQo8L2h0bWw-DQo="
' }
' },
' {
' "partId": "0.1.1",
' "mimeType": "image/jpeg",
' "filename": "seahorse.jpg",
' "headers": [
' {
' "name": "Content-Type",
' "value": "image/jpeg"
' },
' {
' "name": "Content-Id",
' "value": "\u003cpart1.F0B535DB.CB6E7A12@chilkatsoft.com\u003e"
' },
' {
' "name": "Content-Disposition",
' "value": "inline; filename=seahorse.jpg"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "base64"
' }
' ],
' "body": {
' "attachmentId": "ANGjdJ-Z1c9gUGsEzexYYEsF5nLHGUaNiZQs5HkuFQVPo5jq1eze8poigmarvERUIRj1coKUaftiQPWhiZWaFyLDcyjFbfLdjWyyO3AxRO8pY5liAhVp1bt_5f79Nk0vfnZXL0OnZmNAMdrcFe645DbsajwDZcoYnWVcsV9Fe6PCNq41e6XW8Ko4Ex7zMzkATiwlLyx0RLcR0hl-FuZ-UVpQI0JeMTkNi4eN5-9L4dRU7HTo9qEyFW_p3__vXrnEJvmEvWXNUqxKLktcZvkvql6mnAVMDiIapqsE6x0EAvFobre7sf1_T6ieVlA-m92vrtELC2HHdxzkU-qhC_LuoOSOz8nd8tfWsrB8zex0v6NFFP9mJmBUb1QGtCGTxLdI40z_LdMOSiaqmeCq4o_s",
' "size": 24388
' }
' }
' ]
' }
' ]
' },
' {
' "partId": "1",
' "mimeType": "application/pdf",
' "filename": "helloWorld.pdf",
' "headers": [
' {
' "name": "Content-Type",
' "value": "application/pdf; name=helloWorld.pdf"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "base64"
' },
' {
' "name": "Content-Disposition",
' "value": "attachment; filename=helloWorld.pdf"
' }
' ],
' "body": {
' "attachmentId": "ANGjdJ-oy3aCuZISJKLAhUdaEksCEklbAPyMaWzFgqOMGbPCRkgwgeu_Kttd99C17OBTHROkDZGekibTKWXGfscB5ww7fw4E65_V1dQ-jHhb2TD1Cdm58-BbNw2iDxzptco8iILPiSnLLfFn5Ps7nsRcxHaGTt3r0yqFKCuIYNnPK1vM04BXI_cfzo-HnI4I3tD6oHNHOGVQrL01MdShFQjPELPUjXM8z1qs7Kom-QyvV1iOldUN-66UuhynsmDX-CMM5TIdB-8KD_lmdhf-0DqG8JnCA20XpXyfqwS8XFkPA-t-QSjb7SdkHQFtQ4lz2PcBREFzZ2eI5j0l0Y_dQHRPYTeMwkVl1yl4MfFT4C4iso3VSF-eqaIjiFCbXKCFNyeEIW5WFsv189dhlSqU",
' "size": 934
' }
' },
' {
' "partId": "2",
' "mimeType": "application/x-gzip",
' "filename": "hamlet.xml.gz",
' "headers": [
' {
' "name": "Content-Type",
' "value": "application/x-gzip; name=hamlet.xml.gz"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "base64"
' },
' {
' "name": "Content-Disposition",
' "value": "attachment; filename=hamlet.xml.gz"
' }
' ],
' "body": {
' "attachmentId": "ANGjdJ9rvj1ebIc-f0cXG0kwsb6pDBkRCNk3IQXbJ5z0-s2mEcVat3Pp6pVm3rTkRLOyeXHzRcTuel7nxRFJX6WVAKtG-5B-GL_b6DlsOWOzH4A_IKlyJ9U4aeWT02CgQL8oRwlCu1h0BtnY6lT8zureboGOqR7qoa-i5jH8xr6ds0nUDZp71lAwfOjji3eG6Wg6HfzWzWUThYPH3ba0_q35Jii8JIMhyJwwZnGjN3lvW_VhN6UIL1DIpop95b8rdwJdpyUavm7VhGtdNrI-mpgWQtT7WIAdIe6a-O74Zf4AB7uG7bp9R-IMBqQT-1jQqkN2_xlSpe3meWbuNu-4zsYfXN-IqM-Iy4dudAXjt0aY3Y8zxuHfW5qT7o4u8wSszhTIjM1j8lt-N7GZqnwJ",
' "size": 77409
' }
' },
' {
' "partId": "3",
' "mimeType": "text/plain",
' "filename": "brasil_cert.pem",
' "headers": [
' {
' "name": "Content-Type",
' "value": "text/plain; name=brasil_cert.pem"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "base64"
' },
' {
' "name": "Content-Disposition",
' "value": "attachment; filename=brasil_cert.pem"
' }
' ],
' "body": {
' "attachmentId": "ANGjdJ8nGD_xRHvjDwNIaSUleWCWk15ksUleks0fJ29gfGVOebzjBOUnAHYgKPefUQ6d6ExtqYubpvGCka1kJAB4gFwsnhQeflBhFNkORBqtb6FAGq0FcNgrbuxyKywmoHOUV4GDsNs4OGroEcFhBeZNQ8XKEdEoaO8ht8DARn2LncjxioQ4TmZ6jawmMF-mLbW1mz4QjwNir5jLOsE11tYZV2tLDoqjsubKeJJA8xojWo9r50zWfJFgWJKXZJwyNvKyZTwLmmBL_ATFxLFp4Nvo4K37uuVdUCG8WXiWwNr0oIV1RZOd_ZOA7M6Jif0wUcppJdxXRqlsFJqGlcVsLowkVGrJNAMe-fLY1x4w5od3axZIdZQgBPlVRKYYu5xopPTrLJsn4ld7pNyAhpZW",
' "size": 2952
' }
' },
' {
' "partId": "4",
' "mimeType": "application/x-zip-compressed",
' "filename": "helloWorld.zip",
' "headers": [
' {
' "name": "Content-Type",
' "value": "application/x-zip-compressed; name=helloWorld.zip"
' },
' {
' "name": "Content-Transfer-Encoding",
' "value": "base64"
' },
' {
' "name": "Content-Disposition",
' "value": "attachment; filename=helloWorld.zip"
' }
' ],
' "body": {
' "attachmentId": "ANGjdJ9nWglkRNneBVGFk5GwSg83COa0zBeiTAvoMYniPklY03-w93dmEVHJTB9CAu5WMFW_yhV4ou2oX2w9SlpZjjyTgSc7sfYWeuX3pt29z67agy9WUVYeNGpo_30LSPgeyNk_Nm0DTAaektJTEMSy65rjRyK03VkHahNpMLY6Kd_pdfrk50oceuXzwNJZ-V-bftmIluueoQMqLcWQSGBRvEdIcl6EcPFFw8KuMLrjZZJwq8_bb8uM6zUvV23Q9LsLTgWg8FaBWejBf0wuIFXl3ZhtSLa-Y8OXCApHPdUnn45hccAzaQEmy4ZG7cgvCdN_jA9eFX46HYHty7ewleKPFGLTVof2JWsMiIi9BPqfohqQ5FPm1WXlGG_bOHvaMdoWcoqbKMMvF8lWZsfz",
' "size": 174
' }
' }
' ]
' },
' "sizeEstimate": 152847
' }
Dim strVal As String
Dim name As String
Dim value As String
Dim partId As String
Dim mimeType As String
Dim filename As String
Dim bodySize As Integer
Dim bodyAttachmentId As String
Dim j As Integer
Dim count_j As Integer
Dim bodyData As String
Dim k As Integer
Dim count_k As Integer
Dim json1 As New Chilkat.JsonObject
Dim i1 As Integer
Dim count_i1 As Integer
Dim id As String = json.StringOf("id")
Dim threadId As String = json.StringOf("threadId")
Dim snippet As String = json.StringOf("snippet")
Dim historyId As String = json.StringOf("historyId")
Dim internalDate As String = json.StringOf("internalDate")
Dim payloadPartId As String = json.StringOf("payload.partId")
Dim payloadMimeType As String = json.StringOf("payload.mimeType")
Dim payloadFilename As String = json.StringOf("payload.filename")
Dim payloadBodySize As Integer = json.IntOf("payload.body.size")
Dim sizeEstimate As Integer = json.IntOf("sizeEstimate")
Dim i As Integer = 0
Dim count_i As Integer = json.SizeOfArray("labelIds")
While i < count_i
json.I = i
strVal = json.StringOf("labelIds[i]")
i = i + 1
End While
i = 0
count_i = json.SizeOfArray("payload.headers")
While i < count_i
json.I = i
name = json.StringOf("payload.headers[i].name")
value = json.StringOf("payload.headers[i].value")
i = i + 1
End While
i = 0
count_i = json.SizeOfArray("payload.parts")
While i < count_i
json.I = i
partId = json.StringOf("payload.parts[i].partId")
mimeType = json.StringOf("payload.parts[i].mimeType")
filename = json.StringOf("payload.parts[i].filename")
bodySize = json.IntOf("payload.parts[i].body.size")
bodyAttachmentId = json.StringOf("payload.parts[i].body.attachmentId")
j = 0
count_j = json.SizeOfArray("payload.parts[i].headers")
While j < count_j
json.J = j
name = json.StringOf("payload.parts[i].headers[j].name")
value = json.StringOf("payload.parts[i].headers[j].value")
j = j + 1
End While
j = 0
count_j = json.SizeOfArray("payload.parts[i].parts")
While j < count_j
json.J = j
partId = json.StringOf("payload.parts[i].parts[j].partId")
mimeType = json.StringOf("payload.parts[i].parts[j].mimeType")
filename = json.StringOf("payload.parts[i].parts[j].filename")
bodySize = json.IntOf("payload.parts[i].parts[j].body.size")
bodyData = json.StringOf("payload.parts[i].parts[j].body.data")
k = 0
count_k = json.SizeOfArray("payload.parts[i].parts[j].headers")
While k < count_k
json.K = k
name = json.StringOf("payload.parts[i].parts[j].headers[k].name")
value = json.StringOf("payload.parts[i].parts[j].headers[k].value")
k = k + 1
End While
k = 0
count_k = json.SizeOfArray("payload.parts[i].parts[j].parts")
While k < count_k
json.K = k
partId = json.StringOf("payload.parts[i].parts[j].parts[k].partId")
mimeType = json.StringOf("payload.parts[i].parts[j].parts[k].mimeType")
filename = json.StringOf("payload.parts[i].parts[j].parts[k].filename")
bodySize = json.IntOf("payload.parts[i].parts[j].parts[k].body.size")
bodyData = json.StringOf("payload.parts[i].parts[j].parts[k].body.data")
bodyAttachmentId = json.StringOf("payload.parts[i].parts[j].parts[k].body.attachmentId")
json.ObjectOf2("payload.parts[i].parts[j].parts[k]",json1)
i1 = 0
count_i1 = json1.SizeOfArray("headers")
While i1 < count_i1
json1.I = i1
name = json1.StringOf("headers[i].name")
value = json1.StringOf("headers[i].value")
i1 = i1 + 1
End While
k = k + 1
End While
j = j + 1
End While
i = i + 1
End While