| /**************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one * |
| * or more contributor license agreements. See the NOTICE file * |
| * 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 * |
| * * |
| * http://www.apache.org/licenses/LICENSE-2.0 * |
| * * |
| * Unless required by applicable law or agreed to in writing, * |
| * software distributed under the License is distributed on an * |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
| * KIND, either express or implied. See the License for the * |
| * specific language governing permissions and limitations * |
| * under the License. * |
| ****************************************************************/ |
| |
| package org.apache.jsieve.mailet; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.Lists; |
| import org.apache.mailet.Mail; |
| import org.apache.mailet.MailAddress; |
| |
| import javax.activation.DataHandler; |
| import javax.mail.MessagingException; |
| import javax.mail.Multipart; |
| import javax.mail.internet.AddressException; |
| import javax.mail.internet.MimeBodyPart; |
| import javax.mail.internet.MimeMessage; |
| import javax.mail.internet.MimeMultipart; |
| import javax.mail.util.ByteArrayDataSource; |
| import java.io.IOException; |
| import java.util.List; |
| |
| public class VacationReply { |
| |
| |
| public static class Builder { |
| |
| private final Mail originalMail; |
| private final ActionContext context; |
| private String from; |
| private String reason; |
| private String mime; |
| private String subject; |
| |
| public Builder(Mail originalMail, ActionContext context) { |
| this.originalMail = originalMail; |
| this.context = context; |
| } |
| |
| public Builder from(String from) { |
| this.from = from; |
| return this; |
| } |
| |
| public Builder reason(String reason) { |
| this.reason = reason; |
| return this; |
| } |
| |
| public Builder mime(String mime) { |
| this.mime = mime; |
| return this; |
| } |
| |
| public Builder subject(String subject) { |
| this.subject = subject; |
| return this; |
| } |
| |
| public VacationReply build() throws MessagingException { |
| Preconditions.checkState(eitherReasonOrMime()); |
| ActionUtils.detectAndHandleLocalLooping(originalMail, context, "vacation"); |
| |
| MimeMessage reply = (MimeMessage) originalMail.getMessage().reply(false); |
| reply.setSubject(generateNotificationSubject()); |
| reply.setContent(generateNotificationContent()); |
| |
| return new VacationReply(retrieveOriginalSender(), Lists.newArrayList(originalMail.getSender()), reply); |
| } |
| |
| private boolean eitherReasonOrMime() { |
| return (reason == null) ^ (mime == null); |
| } |
| |
| private String generateNotificationSubject() { |
| return Optional.fromNullable(subject) |
| .or(context.getRecipient() + " is currently in vacation"); |
| } |
| |
| private Multipart generateNotificationContent() throws MessagingException { |
| try { |
| if (reason != null) { |
| return generateNotificationContentFromReasonString(); |
| } else { |
| return generateNotificationContentFromMime(); |
| } |
| } catch (IOException e) { |
| throw new MessagingException("Cannot read specified content", e); |
| } |
| } |
| |
| private Multipart generateNotificationContentFromMime() throws MessagingException, IOException { |
| return new MimeMultipart(new ByteArrayDataSource(mime, "mixed")); |
| } |
| |
| private Multipart generateNotificationContentFromReasonString() throws MessagingException, IOException { |
| Multipart multipart = new MimeMultipart("mixed"); |
| MimeBodyPart reasonPart = new MimeBodyPart(); |
| reasonPart.setDataHandler( |
| new DataHandler( |
| new ByteArrayDataSource( |
| reason, |
| "text/plain; charset=UTF-8"))); |
| reasonPart.setDisposition(MimeBodyPart.INLINE); |
| multipart.addBodyPart(reasonPart); |
| return multipart; |
| } |
| |
| private MailAddress retrieveOriginalSender() throws AddressException { |
| return Optional.fromNullable(from).transform(new Function<String, MailAddress>() { |
| public MailAddress apply(String address) { |
| return retrieveAddressFromString(address, context); |
| } |
| }).or(context.getRecipient()); |
| } |
| |
| private MailAddress retrieveAddressFromString(String address, ActionContext context) { |
| try { |
| return new MailAddress(address); |
| } catch (AddressException e) { |
| context.getLog().warn("Mail address " + address + " was not well formatted : " + e.getLocalizedMessage()); |
| return null; |
| } |
| } |
| } |
| |
| public static Builder builder(Mail originalMail, ActionContext context) { |
| return new Builder(originalMail, context); |
| } |
| |
| private final MailAddress sender; |
| private final List<MailAddress> recipients; |
| private final MimeMessage mimeMessage; |
| |
| private VacationReply(MailAddress sender, List<MailAddress> recipients, MimeMessage mimeMessage) { |
| this.sender = sender; |
| this.recipients = recipients; |
| this.mimeMessage = mimeMessage; |
| } |
| |
| public MailAddress getSender() { |
| return sender; |
| } |
| |
| public List<MailAddress> getRecipients() { |
| return recipients; |
| } |
| |
| public MimeMessage getMimeMessage() { |
| return mimeMessage; |
| } |
| } |