Java
Chilkat2 Java
Outlook Send HTML Email with Embedded Images
See more Outlook Examples
This example sends an HTML email with embedded images. Other examples exist for:- Sending plain-text email.
- Sending email with attachments.
- Sending HTML email with embedded images and attachments.
This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
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import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;
public class ChilkatExample {
public static void main(String[] args) {
// Important: This example requires Chilkat v9.5.0.68 or greater.
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Http http = new Http();
// Use your previously obtained access token here:
// See the following examples for getting an access token:
// Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
// Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
// Refresh Access Token (Azure AD v2.0 Endpoint).
// Refresh Access Token (Azure AD Endpoint).
http.setAuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN");
// To send mail, we'll POST to the following endpoint:
//
// POST /users/{id | userPrincipalName}/sendMail
//
// (The special keyword "me" may be used in place of a principal name.)
//
// This example will send HTML email containing the following HTML body.
// After the
// <html>
// <head>
// <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
// <meta content="text/html; charset=utf-8">
// </head>
// <body bgcolor="#FFFFFF">
// <font face="Calibri">This is a test <b>HTML email with embedded images</b>.<br>
// <br>
// <img alt="" src="cid:starfish"><br>
// <img alt="" src="cid:hedgehogs"><br>
// </font>
// </body>
// </html>
// Build the HTML body...
boolean bCrlf = true;
StringBuilder sbHtmlBody = new StringBuilder();
sbHtmlBody.appendLine("<html>", bCrlf);
sbHtmlBody.appendLine("<head>", bCrlf);
sbHtmlBody.appendLine("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">", bCrlf);
sbHtmlBody.appendLine("<meta content=\"text/html; charset=utf-8\">", bCrlf);
sbHtmlBody.appendLine("</head>", bCrlf);
sbHtmlBody.appendLine("<body bgcolor=\"#FFFFFF\">", bCrlf);
sbHtmlBody.appendLine("<font face=\"Calibri\">This is a test <b>HTML email with embedded images</b>.<br>", bCrlf);
sbHtmlBody.appendLine("<br>", bCrlf);
sbHtmlBody.appendLine("<img alt=\"\" src=\"cid:starfish\"><br>", bCrlf);
sbHtmlBody.appendLine("<img alt=\"\" src=\"cid:hedgehogs\"><br>", bCrlf);
sbHtmlBody.appendLine("</font>", bCrlf);
sbHtmlBody.appendLine("</body>", bCrlf);
sbHtmlBody.appendLine("</html>", bCrlf);
// Load the image files.
BinData jpgStarfish = new BinData();
jpgStarfish.loadFile("qa_data/jpg/starfish.jpg");
BinData jpgHedgeHogs = new BinData();
jpgHedgeHogs.loadFile("qa_data/jpg/hedgehogs.jpg");
// The body of the POST request contains JSON that specifies the email subject, body,
// recipients, etc. This example will build the following JSON HTML email:
//
// {
// "message": {
// "subject": "Sample HTML Email with Embedded Images",
// "body": {
// "contentType": "html",
// "content": "The HTML body goes here..."
// },
// "toRecipients": [
// {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "admin@chilkat.io"
// }
// },
// {
// "emailAddress": {
// "address": "chilkat.support@gmail.com"
// }
// }
// ],
// "ccRecipients": [
// {
// "emailAddress": {
// "name": "Chilkat Blog",
// "address": "admin@cknotes.com"
// }
// }
// ],
// "attachments": [
// {
// "@odata.type": "#microsoft.graph.fileAttachment",
// "name": "starfish.jpg",
// "contentType": "image/jpeg",
// "size": 6497,
// "isInline": true,
// "contentId": "starfish",
// "contentLocation": null,
// "contentBytes": "base64_data_here"
// },
// {
// "@odata.type": "#microsoft.graph.fileAttachment",
// "name": "hedgehogs.jpg",
// "contentType": "image/jpeg",
// "size": 48845,
// "isInline": true,
// "contentId": "hedgehogs",
// "contentLocation": null,
// "contentBytes": "base64_data_here"
// }
// ]
// },
// "saveToSentItems": true
// }
//
// Build the above JSON.
JsonObject json = new JsonObject();
json.updateString("message.subject", "Sample HTML Email with Embedded Images");
json.updateString("message.body.contentType", "html");
json.updateString("message.body.content", sbHtmlBody.getAsString());
json.updateString("message.toRecipients[0].emailAddress.name", "Chilkat Software");
json.updateString("message.toRecipients[0].emailAddress.address", "admin@chilkat.io");
json.updateString("message.toRecipients[1].emailAddress.address", "chilkat.support@gmail.com");
json.updateString("message.ccRecipients[0].emailAddress.name", "Chilkat Blog");
json.updateString("message.ccRecipients[0].emailAddress.address", "admin@cknotes.com");
json.updateString("message.attachments[0].\"@odata.type\"", "#microsoft.graph.fileAttachment");
json.updateString("message.attachments[0].name", "starfish.jpg");
json.updateString("message.attachments[0].contentType", "image/jpeg");
json.updateInt("message.attachments[0].size", jpgStarfish.getNumBytes());
json.updateBool("message.attachments[0].isInline", true);
// This contentId must match the "cid:" in the HTML
json.updateString("message.attachments[0].contentId", "starfish");
json.updateNull("message.attachments[0].contentLocation");
json.updateBd("message.attachments[0].contentBytes", "base64", jpgStarfish);
json.updateString("message.attachments[1].\"@odata.type\"", "#microsoft.graph.fileAttachment");
json.updateString("message.attachments[1].name", "hedgehogs.jpg");
json.updateString("message.attachments[1].contentType", "image/jpeg");
json.updateInt("message.attachments[1].size", jpgHedgeHogs.getNumBytes());
json.updateBool("message.attachments[1].isInline", true);
// This contentId must match the "cid:" in the HTML
json.updateString("message.attachments[1].contentId", "hedgehogs");
json.updateNull("message.attachments[1].contentLocation");
json.updateBd("message.attachments[1].contentBytes", "base64", jpgHedgeHogs);
json.updateBool("saveToSentItems", true);
// -------------------------------------------------------------
// Important: This example requires Chilkat v9.5.0.68 or greater.
// -------------------------------------------------------------
// Send the HTTP POST (i.e. send the HTML email)
HttpResponse resp = new HttpResponse();
try {
http.httpJson("POST", "https://graph.microsoft.com/v1.0/me/sendMail", json, "application/json", resp);
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
// The send succeeded if the response status code = 202.
// In the success case, there is no response body. (We just get the response code to know that it succeeded.)
if (resp.getStatusCode() != 202) {
json.load(resp.getBodyStr());
json.setEmitCompact(false);
System.out.println(json.emit());
System.out.println("Failed, response status code = " + resp.getStatusCode());
} else {
System.out.println("Outlook HTML Mail Sent.");
}
}
}