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* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
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* http://www.apache.org/licenses/LICENSE-2.0 *
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* software distributed under the License is distributed on an *
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package org.apache.james.lmtpserver;
import org.apache.james.protocols.api.Response;
import org.apache.james.protocols.api.handler.WiringException;
import org.apache.james.protocols.lmtp.LMTPMultiResponse;
import org.apache.james.protocols.lmtp.hook.DeliverToRecipientHook;
import org.apache.james.protocols.smtp.MailAddress;
import org.apache.james.protocols.smtp.MailAddressException;
import org.apache.james.protocols.smtp.SMTPResponse;
import org.apache.james.protocols.smtp.SMTPRetCode;
import org.apache.james.protocols.smtp.SMTPSession;
import org.apache.james.protocols.smtp.core.AbstractHookableCmdHandler;
import org.apache.james.protocols.smtp.dsn.DSNStatus;
import org.apache.james.smtpserver.DataLineJamesMessageHookHandler;
import org.apache.mailet.Mail;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Handler which takes care of deliver the mail to the recipients INBOX
*/
public class DataLineLMTPHandler extends DataLineJamesMessageHookHandler {
private final List<DeliverToRecipientHook> handlers = new ArrayList<DeliverToRecipientHook>();
@Override
protected Response processExtensions(SMTPSession session, final Mail mail) {
LMTPMultiResponse mResponse = null;
// build a wrapper around the Mail
final ReadOnlyMailEnvelope env = new ReadOnlyMailEnvelope(mail);
for (org.apache.mailet.MailAddress recipient : mail.getRecipients()) {
// TODO: the transformation code between MailAddress is purely to compile. No idea if it does what it's supposed
MailAddress recipientAddress;
try {
recipientAddress = new MailAddress(recipient.getLocalPart(), recipient.getDomain());
} catch (MailAddressException e) {
throw new RuntimeException(e);
}
Response response = null;
for (DeliverToRecipientHook handler : handlers) {
response = AbstractHookableCmdHandler.calcDefaultSMTPResponse(handler.deliver(session, recipientAddress, env));
if (response != null) {
break;
}
}
if (response == null) {
// Add some default response for not handled responses
response = new SMTPResponse(SMTPRetCode.LOCAL_ERROR, DSNStatus.getStatus(DSNStatus.TRANSIENT, DSNStatus.UNDEFINED_STATUS) + "Temporary error deliver message to " + recipient);
}
if (mResponse == null) {
mResponse = new LMTPMultiResponse(response);
} else {
mResponse.addResponse(response);
}
}
return mResponse;
}
@Override
public List<Class<?>> getMarkerInterfaces() {
List<Class<?>> markers = new ArrayList<Class<?>>();
markers.add(DeliverToRecipientHook.class);
return markers;
}
@SuppressWarnings("unchecked")
@Override
public void wireExtensions(Class interfaceName, List extension) throws WiringException {
if (interfaceName.equals(DeliverToRecipientHook.class)) {
handlers.addAll((Collection<? extends DeliverToRecipientHook>) extension);
}
}
private final class ReadOnlyMailEnvelope extends MailToMailEnvelopeWrapper {
public ReadOnlyMailEnvelope(Mail mail) {
super(mail, null);
}
@Override
public OutputStream getMessageOutputStream() throws IOException {
throw new IOException("Read-only envelope");
}
}
}