/** This function initializes the fax client SPI. */
@Override
protected void initializeImpl() {
// initialize
super.initializeImpl();
// initialize templates
this.initializeMailTemplates();
// get logger
Logger logger = this.getLogger();
// validate mail address template
if (this.mailAddressTemplate == null) {
throw new FaxException(
"Mail address template not defined in fax4j.properties. Property: "
+ FaxClientSpiConfigurationConstants.MAIL_ADDRESS_TEMPLATE_PROPERTY_KEY);
}
logger.logDebug(new Object[] {"Using mail address template: ", this.mailAddressTemplate}, null);
// validate mail subject template
if (this.mailSubjectTemplate == null) {
throw new FaxException(
"Mail subject template not defined in fax4j.properties. Property: "
+ FaxClientSpiConfigurationConstants.MAIL_SUBJECT_TEMPLATE_PROPERTY_KEY);
}
logger.logDebug(new Object[] {"Using mail subject template: ", this.mailSubjectTemplate}, null);
}
/**
* This function will create the message used to invoke the fax job action.<br>
* If this method returns null, the SPI will throw an UnsupportedOperationException.
*
* @param faxJob The fax job object containing the needed information
* @param mailResourcesHolder The mail resources holder
* @return The message to send (if null, the SPI will throw an UnsupportedOperationException)
*/
@Override
protected Message createSubmitFaxJobMessage(
FaxJob faxJob, MailResourcesHolder mailResourcesHolder) {
// get logger
Logger logger = this.getLogger();
// get target address
String targetAddress = faxJob.getTargetAddress();
// format TO value
String toAddress = MessageFormat.format(this.mailAddressTemplate, new Object[] {targetAddress});
logger.logDebug(new Object[] {"Formatted TO address: ", toAddress}, null);
// format subject value
String subject = MessageFormat.format(this.mailSubjectTemplate, new Object[] {targetAddress});
logger.logDebug(new Object[] {"Formatted subject: ", subject}, null);
// get session
Session session = mailResourcesHolder.getSession();
// create message
Message message = new MimeMessage(session);
// set from
String from = faxJob.getSenderEmail();
if ((from != null) && (from.length() > 0)) {
try {
message.setFrom(new InternetAddress(from));
} catch (Exception exception) {
throw new FaxException("Error while setting from address: " + from, exception);
}
}
try {
// add message recipient
message.addRecipient(RecipientType.TO, new InternetAddress(toAddress));
} catch (Exception exception) {
throw new FaxException("Error while setting TO address: " + toAddress, exception);
}
try {
// set message subject
message.setSubject(subject);
} catch (Exception exception) {
throw new FaxException("Error while setting subject: " + subject, exception);
}
// create multi part
Multipart multipart = new MimeMultipart();
// init body part
BodyPart messageFileAttachmentBodyPart = new MimeBodyPart();
// init data source
File file = faxJob.getFile();
DataSource source = new FileDataSource(file);
try {
// set data
messageFileAttachmentBodyPart.setDataHandler(new DataHandler(source));
messageFileAttachmentBodyPart.setFileName(file.getName());
// add to body
multipart.addBodyPart(messageFileAttachmentBodyPart);
// set content
message.setContent(multipart);
} catch (Exception exception) {
throw new FaxException("Error while setting attachment.", exception);
}
return message;
}