Question

How to differentiate between html content and non-html content of javamail?

Asked by: sitijaafar

Hi experts,
My application now can send an email. In that application sender can send both html format and non-html format. But right now I'm facing a problem when I want to send a non html format, for example the sender send an email the content like below:

The List

ITEM A
ITEM B
ITEM C

But, the recipient will receive it like this, it supposely like above :

The List ITEM A ITEM B ITEM C

It not receive like the original content.

Please help me..
The below code work for html format but look like not for non-html. What I should do, for differentiate between html and non-html when I want send the content?

To send content here is the code:
 
Multipart mp = new MimeMultipart();	 	   
MimeBodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(messageTxt, "text/html"); 			
mp.addBodyPart(htmlPart);				
msg.setContent(mp);

                                  
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Asked On
2009-09-02 at 00:30:35ID24700439
Tags

javamail

,

servlet

Topics

JavaMail

,

Java Servlets

Participating Experts
3
Points
500
Comments
22

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Answers

 

by: objectsPosted on 2009-09-02 at 00:55:25ID: 25238784

try including a separate Part in the email containing plain text

 

by: sitijaafarPosted on 2009-09-02 at 01:01:16ID: 25238816

I'm not really clear.

 

by: sitijaafarPosted on 2009-09-02 at 01:06:03ID: 25238835

That's means for send non-html use a different code? But how to differentiate that the content is html or non-html, the content is from the jsp page.

 

by: ksivananthPosted on 2009-09-02 at 01:15:43ID: 25238886

if you are sending as HTML, you need to send the HTML source. for e.g.,

<html>

<body>
ITEM A</br>
ITEM B</br>
ITEM C</br>
</body>
</html>

 

by: objectsPosted on 2009-09-02 at 01:15:45ID: 25238887

> htmlPart.setContent(messageTxt, "text/html");                  

the setContent() call defines the type of content

 

by: ksivananthPosted on 2009-09-02 at 01:19:11ID: 25238908

on the other hand, you can set both the content type as object mentioned

Multipart mp = new MimeMultipart();                
MimeBodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(messageTxt, "text/html");                   
mp.addBodyPart(htmlPart);                        
MimeBodyPart plainPart = new MimeBodyPart();
plainPart.setContent(plainTxt, "text/plain");                   
mp.addBodyPart(plainPart);                        
msg.setContent(mp);

the above message has both the content html and plain, so the mail client can display html if they support or else plain.

 

by: sitijaafarPosted on 2009-09-02 at 01:28:41ID: 25238947

not, ksivananth.  for content below I want send it as non-html.  

The List

ITEM A
ITEM B
ITEM C

Supposely, the app can send both of non-html and html. That means at one time sender can send either html and non-html.  But I think must do something for identify wheter the content is html or non-html. But, I do not how. Previously I use code below for send, it not work for html.



MimeBodyPart mbp = new MimeBodyPart();
mbp.setText(messageTxt);			
Multipart mp = new MimeMultipart();
mp.addBodyPart(mbp);
msg.setContent(mp);

                                              
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by: objectsPosted on 2009-09-02 at 01:50:35ID: 25239046

> But I think must do something for identify wheter the content is html or non-html. But, I do not how.

as I mentioned above you use the setContent() mmenthod to specify the type of the content

htmlPart.setContent(messageTxt, "text/html");                  

 

by: sitijaafarPosted on 2009-09-02 at 02:00:59ID: 25239080

Do you means for html set it as  
htmlPart.setContent(messageTxt, "text/html");                  

and for non-html
plainPart.setContent(plainTxt, "text/plain");

 

by: objectsPosted on 2009-09-02 at 02:01:42ID: 25239084

yes

 

by: sitijaafarPosted on 2009-09-02 at 02:06:12ID: 25239111

I will continue tomorrow, I need to go back. Thanks objects ...

 

by: ksivananthPosted on 2009-09-02 at 04:13:38ID: 25239714

>>not, ksivananth.  for content below I want send it as non-html.

thats why I mentioned plainPart.setContent(plainTxt, "text/plain");

 

by: J3NN1F3RPosted on 2009-09-02 at 08:33:12ID: 25242145

ksivananth,

try reading this article.  hopefully, it will give you a better understanding of the differences in formatting content to be sent as HTML, as opposed to text only, emails.

http://www.webcheatsheet.com/PHP/send_email_text_html_attachment.php

 

by: sitijaafarPosted on 2009-09-02 at 23:50:29ID: 25248322

Right now I understand that for html use ---> htmlPart.setContent(messageTxt, "text/html");    
for plain text use --->  plainPart.setContent(plainTxt, "text/plain");          

In the application the sender can insert the content anything So, based on the content it will go wheter (htmlPart.setContent(messageTxt, "text/html");) or (plainPart.setContent(plainTxt, "text/plain"); )

for example
[1] -- if(content plaintext) {(plainPart.setContent(plainTxt, "text/plain"); )}
[2] -- if(content html) {(htmlPart.setContent(messageTxt, "text/html");)}

That means:
If the content like below it will go to [1] condtion:

LIST
ITEM A
ITEM B
ITEM C

Meanwhile, when the content like below, it will go to [2] condition:
<html>

<body>
ITEM A</br>
ITEM B</br>
ITEM C</br>
</body>
</html>

but I do not have an idea how to make a condition, can anyone me give an idea how  to do that or is it can be solve with another solution.

 

by: ksivananthPosted on 2009-09-02 at 23:59:44ID: 25248349

as you have/generate the content, you should be know what type it is and make the condition accordingly?

and another small suggestion, even if you have the HTML content, try extracting the plain text out of it and add the plain text part too so that clients who doesn't support HTML can display the plain text in readable format.

 

by: ksivananthPosted on 2009-09-03 at 00:00:52ID: 25248352

>>and another small suggestion

may be small but critical in most cases if it is intended for wide audiances!

 

by: sitijaafarPosted on 2009-09-03 at 00:16:33ID: 25248421

yup, I'm already done for multipart. That means, it not possible for handle both plaintext and html.

 

by: sitijaafarPosted on 2009-09-03 at 00:38:19ID: 25248507

hurmm, but I must do for both.

 

by: sitijaafarPosted on 2009-09-03 at 18:38:13ID: 25256372

I got an idea, so make the condition based on the content structure.

 

by: sitijaafarPosted on 2009-09-03 at 19:35:50ID: 25256548

here is what i did. Is it anyone have a better solution to solve this? I hope someone can help me, I'm quite new with java.

StringBuilder sb = new StringBuilder(body);
index1=sb.indexOf("<!DOCTYPE");
index2=sb.indexOf("<html");
index3=sb.indexOf("<body");
index4=sb.indexOf("</body>");
index5=sb.indexOf("</html>");
				    
if ((((index1 != -1)||(index2 != -1))&&(index3 != -1)&&(index4 != -1)&&(index5 != -1)) && (((index1 < index2)||(index2 < index3)||(index3 < index4)||(index4 < index5)))) {
 
String newMessage = insertSign(sb,index4);
				    				    MimeMultipart mp = new MimeMultipart("alternative");
MimeBodyPart text = new MimeBodyPart();
MimeBodyPart html = new MimeBodyPart();
						text.setText(newMessage);
						html.setContent(newMessage, "text/html");
mp.addBodyPart(text);
mp.addBodyPart(html);
msg.setContent(mp);
Transport.send(msg);
}
else {
messageTxt = body+"\n \n \n "+signature;
Multipart mp = new MimeMultipart();
MimeBodyPart plainPart = new MimeBodyPart()
plainPart.setContent(messageTxt, "text/plain");                   
mp.addBodyPart(plainPart);  
msg.setContent(mp);
Transport.send(msg);
				         }			          	    
}

                                              
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by: objectsPosted on 2009-09-03 at 20:09:31ID: 25256616

something like that should work, not foolproof of course

 

by: sitijaafarPosted on 2009-09-03 at 20:42:18ID: 31623764

Good feedbacks

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