AttachmentPart getBase64Content() Method

Description

The Javax.xml.soap.AttachmentPart.getBase64Content() method returns an InputStream which can be used to obtain the content of AttachmentPart as Base64 encoded character data, this method would base64 encode the raw bytes of the attachment and return.

Declaration

Following is the declaration for javax.xml.soap.AttachmentPart.getBase64Content() method

public abstract InputStream getBase64Content()

Parameters

NA

Return Value

This method returns an InputStream from which the Base64 encoded AttachmentPart can be read.

Exception

SOAPException − if there is no content set into this AttachmentPart object or if there was a data transformation error.

Example

The following example shows the usage of javax.xml.soap.AttachmentPart.getBase64Content() method.

package com.tutorialspoint;

import com.sun.xml.internal.messaging.saaj.util.Base64;
import com.sun.xml.internal.messaging.saaj.util.ByteInputStream;
import java.io.InputStream;
import javax.xml.soap.*;

public class AttachmentPartDemo {

   public static void main(String[] args) {
      try {

         // create a new SOAPMessage
         SOAPMessage message = MessageFactory.newInstance().createMessage();

         // create a string as a new attachment 
         String attachment = "This is an attachment";

         // create the attachment part
         AttachmentPart attachPart = message.createAttachmentPart();

         // encode attachment and add it as AttachmentPart      
         byte[] encoded = Base64.encode(attachment.getBytes());
         ByteInputStream bis = 
                 new ByteInputStream(encoded, 0, encoded.length);
         attachPart.setBase64Content(bis, "plain/text");

         // add the attachment part in the message
         message.addAttachmentPart(attachPart);

         // get the inputstream for attachPart
         InputStream is = attachPart.getBase64Content();

         // print the content
         for (int i = 0; i < is.available(); i++) {
            System.out.print("" + (char) is.read());
         }

      } catch (Exception ex) {
         ex.printStackTrace();
      }
   }
}

If we compile the code and execute it, this will produce the following result −

VGhpcyBpcyBhbi