AddAttachmentMessageProcessor.java

public class AddAttachmentMessageProcessor implements MessageProcessor
{
    @Override
    public MuleEvent process(MuleEvent event) throws MuleException
    {
        Collection<Attachment> attachments = new ArrayList<Attachment>();
        
        AttachmentImpl attachment = new AttachmentImpl("1");
        String attachmentXML = "";
        
        try
        {
            attachmentXML = IOUtils.getResourceAsString("attachment.xml", this.getClass());
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        
        DataSource source = new ByteArrayDataSource(attachmentXML.getBytes(), "text/xml");
        attachment.setDataHandler(new ConfigurableDataHandler(source));

        attachments.add(attachment);
        
        event.getMessage().setInvocationProperty(CxfConstants.ATTACHMENTS, attachments);
        return event;
    }
}