001
014
015 package com.liferay.portal.pop.messaging;
016
017 import com.liferay.portal.kernel.log.Log;
018 import com.liferay.portal.kernel.log.LogFactoryUtil;
019 import com.liferay.portal.kernel.mail.Account;
020 import com.liferay.portal.kernel.pop.MessageListener;
021 import com.liferay.portal.kernel.util.GetterUtil;
022 import com.liferay.portal.kernel.util.StringPool;
023 import com.liferay.portal.kernel.util.Validator;
024 import com.liferay.portal.pop.POPServerUtil;
025 import com.liferay.util.mail.MailEngine;
026
027 import java.util.Iterator;
028 import java.util.List;
029
030 import javax.mail.Address;
031 import javax.mail.Flags;
032 import javax.mail.Folder;
033 import javax.mail.Message.RecipientType;
034 import javax.mail.Message;
035 import javax.mail.MessagingException;
036 import javax.mail.Session;
037 import javax.mail.Store;
038 import javax.mail.internet.InternetAddress;
039
040
043 public class POPNotificationsMessageListener
044 extends com.liferay.portal.kernel.messaging.BaseMessageListener {
045
046 @Override
047 protected void doReceive(
048 com.liferay.portal.kernel.messaging.Message message)
049 throws Exception {
050
051 try {
052 pollPopServer();
053 }
054 finally {
055 _store = null;
056 _inboxFolder = null;
057 }
058 }
059
060 protected String getEmailAddress(Address[] addresses) {
061 if ((addresses == null) || (addresses.length == 0)) {
062 return StringPool.BLANK;
063 }
064
065 InternetAddress internetAddress = (InternetAddress)addresses[0];
066
067 return internetAddress.getAddress();
068 }
069
070 protected void initInboxFolder() throws Exception {
071 if ((_inboxFolder == null) || !_inboxFolder.isOpen()) {
072 initStore();
073
074 Folder defaultFolder = _store.getDefaultFolder();
075
076 Folder[] folders = defaultFolder.list();
077
078 if (folders.length == 0) {
079 throw new MessagingException("Inbox not found");
080 }
081 else {
082 _inboxFolder = folders[0];
083
084 _inboxFolder.open(Folder.READ_WRITE);
085 }
086 }
087 }
088
089 protected void initStore() throws Exception {
090 if ((_store == null) || !_store.isConnected()) {
091 Session session = MailEngine.getSession();
092
093 String storeProtocol = GetterUtil.getString(
094 session.getProperty("mail.store.protocol"));
095
096 if (!storeProtocol.equals(Account.PROTOCOL_POPS)) {
097 storeProtocol = Account.PROTOCOL_POP;
098 }
099
100 _store = session.getStore(storeProtocol);
101
102 String prefix = "mail." + storeProtocol + ".";
103
104 String host = session.getProperty(prefix + "host");
105
106 String user = session.getProperty(prefix + "user");
107
108 if (Validator.isNull(user)) {
109 user = session.getProperty("mail.smtp.user");
110 }
111
112 String password = session.getProperty(prefix + "password");
113
114 if (Validator.isNull(password)) {
115 password = session.getProperty("mail.smtp.password");
116 }
117
118 _store.connect(host, user, password);
119 }
120 }
121
122 protected void nostifyListeners(
123 List<MessageListener> listeners, Message message)
124 throws Exception {
125
126 String from = getEmailAddress(message.getFrom());
127 String recipient = getEmailAddress(
128 message.getRecipients(RecipientType.TO));
129
130 if (_log.isDebugEnabled()) {
131 _log.debug("From " + from);
132 _log.debug("Recipient " + recipient);
133 }
134
135 Iterator<MessageListener> itr = listeners.iterator();
136
137 while (itr.hasNext()) {
138 MessageListener messageListener = itr.next();
139
140 try {
141 if (messageListener.accept(from, recipient, message)) {
142 messageListener.deliver(from, recipient, message);
143 }
144 }
145 catch (Exception e) {
146 _log.error(e, e);
147 }
148 }
149 }
150
151 protected void nostifyListeners(Message[] messages) throws Exception {
152 if (_log.isDebugEnabled()) {
153 _log.debug("Messages " + messages.length);
154 }
155
156 List<MessageListener> listeners = POPServerUtil.getListeners();
157
158 for (int i = 0; i < messages.length; i++) {
159 Message message = messages[i];
160
161 if (_log.isDebugEnabled()) {
162 _log.debug("Message " + message);
163 }
164
165 nostifyListeners(listeners, message);
166 }
167 }
168
169 protected void pollPopServer() throws Exception {
170 initInboxFolder();
171
172 Message[] messages = _inboxFolder.getMessages();
173
174 try {
175 nostifyListeners(messages);
176 }
177 finally {
178 if (_log.isDebugEnabled()) {
179 _log.debug("Deleting messages");
180 }
181
182 _inboxFolder.setFlags(
183 messages, new Flags(Flags.Flag.DELETED), true);
184
185 _inboxFolder.close(true);
186 }
187 }
188
189 private static Log _log = LogFactoryUtil.getLog(
190 POPNotificationsMessageListener.class);
191
192 private Folder _inboxFolder;
193 private Store _store;
194
195 }