Examples with Handler org.apache.camel.Handler used on opensource projects

Example 1 with Handler

use of org.apache.camel.Handler in project nhin-d by DirectProject.

the class DSNMessageGenerator method generateDSNFailureMessage.

/**
	 * Generates the DSN message a replacing the existing exchange in body with the DSN message as a MimeMessage object.
	 * @param txs Collection of correlated Tx objects.
	 * @param ex The message exchange.
	 * @throws Exception
	 */
@Handler
public void generateDSNFailureMessage(Collection<Tx> txs, Exchange ex) throws Exception {
    // change the inbound message body to null
    ex.getIn().setBody(null);
    // get the message that is being tracked so we can generate an error message for it
    Tx messageToTrack = AbstractCompletionCondition.getMessageToTrack(txs);
    if (messageToTrack != null) {
        // make sure we have incomplete recipients
        final Collection<String> incompleteRecips = conditionChecker.getIncompleteRecipients(txs);
        if (incompleteRecips != null && !incompleteRecips.isEmpty()) {
            InternetAddress originalSender = null;
            String originalSubject = "";
            InternetAddress postmaster = null;
            String originalMessageId = "";
            Enumeration<Header> fullMessageHeaders = null;
            final List<DSNRecipientHeaders> recipientDSNHeaders = new ArrayList<DSNRecipientHeaders>();
            final List<Address> failedRecipAddresses = new ArrayList<Address>();
            final TxDetail sender = messageToTrack.getDetail(TxDetailType.FROM);
            if (sender != null) {
                originalSender = new InternetAddress(sender.getDetailValue());
                postmaster = new InternetAddress(postmasterMailbox + "@" + getAddressDomain(originalSender));
            }
            final TxDetail subject = messageToTrack.getDetail(TxDetailType.SUBJECT);
            if (subject != null)
                originalSubject = subject.getDetailValue();
            for (String incompleteRecip : incompleteRecips) {
                final Address failedRecipAddress = new InternetAddress(incompleteRecip);
                DSNRecipientHeaders dsnRecipHeaders = new DSNRecipientHeaders(DSNAction.FAILED, DSNStatus.getStatus(DSNStatus.PERMANENT, DSNStatus.UNDEFINED_STATUS), failedRecipAddress);
                recipientDSNHeaders.add(dsnRecipHeaders);
                failedRecipAddresses.add(failedRecipAddress);
            }
            ///CLOVER:OFF
            final TxDetail origMessId = messageToTrack.getDetail(TxDetailType.MSG_ID);
            if (origMessId != null)
                originalMessageId = origMessId.getDetailValue();
            ///CLOVER:ON
            final DSNMessageHeaders messageDSNHeaders = new DSNMessageHeaders(reportingMta, originalMessageId, MtaNameType.DNS);
            final TxDetail fullHeaders = messageToTrack.getDetail(TxDetailType.MSG_FULL_HEADERS);
            if (fullHeaders != null)
                fullMessageHeaders = this.convertStringToHeaders(fullHeaders.getDetailValue());
            final MimeBodyPart textBodyPart = textGenerator.generate(originalSender, failedRecipAddresses, fullMessageHeaders);
            final MimeMessage dnsMessage = generator.createDSNMessage(originalSender, originalSubject, postmaster, recipientDSNHeaders, messageDSNHeaders, textBodyPart);
            ex.getIn().setBody(dnsMessage);
        }
    }
}

Example 2 with Handler

use of org.apache.camel.Handler in project nhin-d by DirectProject.

the class DSNMailSender method sendMail.

/**
	 * Processor handler method.  This method sends the message to SMTP gateway specified in the gateway URL.
	 * The SMTP to and from headers and taken from the actual message.
	 * @param exchange The exchange that holds the message.
	 * @throws Exception
	 */
@Handler
public void sendMail(Exchange exchange) throws Exception {
    if (gatewayHost == null || gatewayHost.isEmpty())
        throw new IllegalStateException("Gateway URL is null or empty");
    // simple SMTP converation
    if (clientFactory == null)
        throw new IllegalStateException("SMTP client cannot be null");
    if (exchange.getIn() == null || exchange.getIn().getBody() == null)
        return;
    final MimeMessage dsnMessage = (MimeMessage) exchange.getIn().getBody();
    final String recpList = dsnMessage.getHeader(MailStandard.Headers.To, ",");
    final String sender = dsnMessage.getHeader(MailStandard.Headers.From, ",");
    SMTPClient client = clientFactory.createInstance();
    client.connect(gatewayHost, gatewayPort);
    client.helo(localhost);
    if (!client.setSender(sender))
        throw new IOException("Failed to set sender.");
    final String[] recips = recpList.split(",");
    for (String recip : recips) {
        if (!client.addRecipient(recip))
            throw new IOException("Failed to set recipient " + recip);
    }
    final Writer writer = client.sendMessageData();
    if (writer == null)
        throw new IOException("Failed to get data body writer.");
    final ByteArrayOutputStream writerStream = new ByteArrayOutputStream();
    try {
        dsnMessage.writeTo(writerStream);
        IOUtils.write(writerStream.toByteArray(), writer);
        writer.close();
        client.completePendingCommand();
        if (client.getReplyCode() != SMTP_OK)
            throw new IOException("Failed complete data command with error code " + client.getReplyCode());
    } finally {
        IOUtils.closeQuietly(writerStream);
        IOUtils.closeQuietly(writer);
        client.quit();
        client.disconnect();
    }
}

Example 3 with Handler

use of org.apache.camel.Handler in project nhin-d by DirectProject.

the class DefaultBundleCacheUpdateProcessorImpl method updateBundleCache.

/**
	 * {@inheritDoc}
	 */
@Handler
public void updateBundleCache() {
    Collection<TrustBundle> bundles;
    try {
        bundles = dao.getTrustBundles();
        for (TrustBundle bundle : bundles) {
            boolean refresh = false;
            // if the refresh interval is 0 or less, then we won't ever auto refresh the bundle
            if (bundle.getRefreshInterval() <= 0)
                continue;
            // see if this bundle needs to be checked for updating
            final Calendar lastAttempt = bundle.getLastSuccessfulRefresh();
            if (lastAttempt == null)
                // never been attempted successfully... better go get it
                refresh = true;
            else {
                // check the the last attempt date against now and see if we need to refresh
                long now = System.currentTimeMillis();
                Calendar lastAttemptCheck = (Calendar) lastAttempt.clone();
                lastAttemptCheck.add(Calendar.SECOND, bundle.getRefreshInterval());
                if (lastAttemptCheck.getTimeInMillis() <= now)
                    refresh = true;
            }
            if (refresh) {
                // refresh the bundle
                try {
                    refreshProcessor.refreshBundle(bundle);
                } catch (Exception e) {
                    log.warn("Failed to check the status of bundle " + bundle.getBundleName(), e);
                }
            }
        }
    } catch (Exception e) {
        log.warn("Failed to check the status of trust bundles ", e);
    }
}

Example 4 with Handler

use of org.apache.camel.Handler in project nhin-d by DirectProject.

the class DefaultBundleRefreshProcessorImpl method refreshBundle.

/**
	 * {@inheritDoc}
	 */
@Handler
public void refreshBundle(TrustBundle bundle) {
    // track when the process started
    final Calendar processAttempStart = Calendar.getInstance(Locale.getDefault());
    // get the bundle from the URL
    final byte[] rawBundle = downloadBundleToByteArray(bundle, processAttempStart);
    if (rawBundle == null)
        return;
    // check to see if there is a difference in the anchor sets
    // use a checksum 
    boolean update = false;
    String checkSum = "";
    if (bundle.getCheckSum() == null)
        // never got a check sum... 
        update = true;
    else {
        try {
            checkSum = BundleThumbprint.toThumbprint(rawBundle).toString();
            update = !bundle.getCheckSum().equals(BundleThumbprint.toThumbprint(rawBundle).toString());
        }///CLOVER:OFF
         catch (NoSuchAlgorithmException ex) {
            dao.updateLastUpdateError(bundle.getId(), processAttempStart, BundleRefreshError.INVALID_BUNDLE_FORMAT);
            log.error("Failed to generate downloaded bundle thumbprint ", ex);
        }
    ///CLOVER:ON
    }
    if (!update) {
        dao.updateLastUpdateError(bundle.getId(), processAttempStart, BundleRefreshError.SUCCESS);
        return;
    }
    final Collection<X509Certificate> bundleCerts = convertRawBundleToAnchorCollection(rawBundle, bundle, processAttempStart);
    if (bundleCerts == null)
        return;
    final HashSet<X509Certificate> downloadedSet = new HashSet<X509Certificate>((Collection<X509Certificate>) bundleCerts);
    try {
        final Collection<TrustBundleAnchor> newAnchors = new ArrayList<TrustBundleAnchor>();
        for (X509Certificate downloadedAnchor : downloadedSet) {
            try {
                final TrustBundleAnchor anchorToAdd = new TrustBundleAnchor();
                anchorToAdd.setData(downloadedAnchor.getEncoded());
                anchorToAdd.setTrustBundle(bundle);
                newAnchors.add(anchorToAdd);
            }///CLOVER:OFF
             catch (Exception e) {
                log.warn("Failed to convert downloaded anchor to byte array. ", e);
            }
        ///CLOVER:ON
        }
        bundle.setTrustBundleAnchors(newAnchors);
        dao.updateTrustBundleAnchors(bundle.getId(), processAttempStart, newAnchors, checkSum);
        dao.updateLastUpdateError(bundle.getId(), processAttempStart, BundleRefreshError.SUCCESS);
    } catch (ConfigurationStoreException e) {
        dao.updateLastUpdateError(bundle.getId(), processAttempStart, BundleRefreshError.INVALID_BUNDLE_FORMAT);
        log.error("Failed to write updated bundle anchors to data store ", e);
    }
}