/* (non-Javadoc)
* @see org.apache.lenya.cms.usecase.DocumentUsecase#doCheckPreconditions()
*/
protected void doCheckPreconditions() throws Exception {
super.doCheckPreconditions();
RMIProvider rmiProvider = null;
try {
rmiProvider = (RMIProvider) this.manager.lookup(RMIProvider.ROLE);
this.newsletterManager =
(NewsletterManager) rmiProvider.getRMIObject(NEWSLETTER_MANAGER_NAME);
Iterator it = this.newsletterManager.getRepositoryNames().iterator();
ArrayList repositoryNames = new ArrayList();
while (it.hasNext()) {
repositoryNames.add(it.next());
}
this.setParameter(REPOSITORIES_PARAM_NAME, repositoryNames.toArray());
} catch (RMIException e) {
this.addErrorMessage(e.getMessage());
} catch (RemoteException e) {
String msg = "Error occured while accessing a remote object: " + NEWSLETTER_MANAGER_NAME;
getLogger().error(msg, e);
this.addErrorMessage(msg);
} finally {
if (rmiProvider != null) {
this.manager.release(rmiProvider);
}
}
this.setParameter(STEP_PARAM_NAME, "init");
}
/* (non-Javadoc)
* @see org.apache.lenya.cms.usecase.AbstractUsecase#advance()
*/
public void advance() throws UsecaseException {
super.advance();
String repository = this.getParameterAsString(REPOSITORY_PARAM_NAME);
RMIProvider rmiProvider = null;
try {
rmiProvider = (RMIProvider) this.manager.lookup(RMIProvider.ROLE);
this.newsletterManager =
(NewsletterManager) rmiProvider.getRMIObject(NEWSLETTER_MANAGER_NAME);
if (!this.newsletterManager.setRepository(repository)) {
this.addErrorMessage("No repository found with name: " + repository);
}
Integer userCount = new Integer(this.newsletterManager.countUsers());
this.setParameter(USER_COUNT_PARAM_NAME, userCount);
} catch (RMIException e) {
this.addErrorMessage(e.getMessage());
} catch (RemoteException e) {
String msg = "Error occured while accessing a remote object: " + NEWSLETTER_MANAGER_NAME;
getLogger().error(msg, e);
this.addErrorMessage(msg);
} catch (ServiceException e) {
throw new UsecaseException(e);
} finally {
if (rmiProvider != null) {
this.manager.release(rmiProvider);
}
}
this.setParameter(STEP_PARAM_NAME, "confirm");
}
/* (non-Javadoc)
* @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute()
*/
protected void doExecute() throws Exception {
super.doExecute();
String repository = this.getParameterAsString(REPOSITORY_PARAM_NAME);
String subject = this.getParameterAsString(SUBJECT_PARAM_NAME, "Newsletter");
RMIProvider rmiProvider = null;
SourceResolver resolver = null;
try {
rmiProvider = (RMIProvider) this.manager.lookup(RMIProvider.ROLE);
resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
this.newsletterManager =
(NewsletterManager) rmiProvider.getRMIObject(NEWSLETTER_MANAGER_NAME);
if (!this.newsletterManager.setRepository(repository)) {
this.addInfoMessage("No repository found with name: " + repository);
return;
}
ResourceType resourceType = this.getSourceDocument().getResourceType();
String formatURI = resourceType.getFormatURI(this.formatName);
String body = getURIContentsAsString(resolver, formatURI);
this.newsletterManager.sendMailToRepositoryUsers(
this.senderEmailAddress, this.senderName, subject, body);
} catch (RMIException e) {
this.addErrorMessage(e.getMessage());
} catch (RemoteException e) {
String msg = "Error occured while accessing a remote object: " + NEWSLETTER_MANAGER_NAME;
getLogger().error(msg, e);
this.addErrorMessage(msg);
throw new RemoteException(msg, e);
} catch (ServiceException e) {
throw new UsecaseException(e);
} finally {
if (rmiProvider != null) {
this.manager.release(rmiProvider);
}
if (resolver != null) {
this.manager.release(resolver);
}
}
}