Running Attachments

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TTACHMENTS

JAVA

167

After it reads input from a file into a string named

stringContent

, it sets the

content of the attachment to the value of the string and the type to

text/plain

and also sets a content ID.

attachment1.setContent(stringContent, "text/plain");
attachment1.setContentId("attached_text");

It then adds the attachment to the message:

message.addAttachmentPart(attachment1);

The example uses a

javax.activation.DataHandler

object to hold a reference

to the graphic that constitutes the second attachment. It creates this attachment
using the form of the

createAttachmentPart

method that takes a

DataHandler

argument.

// Create attachment part for image
URL url = new URL("file:///../xml-pic.jpg");
DataHandler dataHandler = new DataHandler(url);
AttachmentPart attachment2 =

message.createAttachmentPart(dataHandler);

attachment2.setContentId("attached_image");

message.addAttachmentPart(attachment2);

The example then retrieves the attachments from the message. It displays the

contentId

and

contentType

attributes of each attachment and the contents of

the text attachment.

Running Attachments

To run Attachments, you use the file

build.xml

that is in the directory

<INSTALL>/javaeetutorial5/examples/saaj/attachments/

To run Attachments, use the following command:

asant run -Dfile=path_name

Specify any text file as the

path_name

argument. The

attachments