Macos 使用JavaMail读取gmail问题
我在使用javamail阅读来自gmail(pop3)的邮件时遇到问题。如果邮件是从ubuntu的Thunderbird发送的,我有一个代码可以很好地工作。然而,如果邮件最初是从mac发送的,它就会失败 这是我使用的代码:Macos 使用JavaMail读取gmail问题,macos,jakarta-mail,pop3,Macos,Jakarta Mail,Pop3,我在使用javamail阅读来自gmail(pop3)的邮件时遇到问题。如果邮件是从ubuntu的Thunderbird发送的,我有一个代码可以很好地工作。然而,如果邮件最初是从mac发送的,它就会失败 这是我使用的代码: private static final String UNKNOWN_BRAND_PATH = "UNKNOWN"; public static final String FOLDER_NAME = "INBOX"; private static Logger L
private static final String UNKNOWN_BRAND_PATH = "UNKNOWN";
public static final String FOLDER_NAME = "INBOX";
private static Logger LOG = org.slf4j.LoggerFactory.getLogger(LzMailRecieverService.class);
@Value("${lz.mail.address}")
private String lzMailUserName;
@Value("${lz.mail.password}")
private String lzMailPassword;
@Value("${lz.mail.tmp.folder}")
private String lzMailTmpFolder;
public Store connect() throws Exception {
String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
Properties pop3Props = new Properties();
pop3Props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);
pop3Props.setProperty("mail.pop3.socketFactory.fallback", "false");
pop3Props.setProperty("mail.pop3.port", "995");
pop3Props.setProperty("mail.pop3.socketFactory.port", "995");
URLName url = new URLName("pop3", "pop.gmail.com", 995, "", lzMailUserName, lzMailPassword);
Session session = Session.getInstance(pop3Props, null);
Store store = new POP3SSLStore(session, url);
store.connect();
return store;
}
public Folder openFolder(Store store) throws MessagingException {
Folder folder = store.getDefaultFolder();
folder = folder.getFolder(FOLDER_NAME);
folder.open(Folder.READ_ONLY);
return folder;
}
public List<MailDetails> readAttachement(Folder folder) throws IOException, MessagingException {
Message[] messages = folder.getMessages();
List<MailDetails> mailDetails = new ArrayList<MailDetails>();
for (Message message : messages) {
logMailDetails(message);
if (message.getContent() instanceof Multipart) {
Multipart multipart = (Multipart) message.getContent();
for (int i = 0; i < multipart.getCount(); i++) {
BodyPart bodyPart = multipart.getBodyPart(i);
if (!Part.ATTACHMENT.equalsIgnoreCase(bodyPart.getDisposition())) {
continue; // dealing with attachments only
}
InputStream is = bodyPart.getInputStream();
String uid = getUid(message);
String to = getTo(message);
String from = getFrom(message);
File d = new File(lzMailTmpFolder + File.separator + uid);
if (d.exists() == false) {
d.mkdir();
}
File f = new File(d, new DateTime().getMillis() + "-" + bodyPart.getFileName());
FileOutputStream fos = new FileOutputStream(f);
IOUtils.copy(is, fos);
MailDetails md = new MailDetails(to, from, f, uid);
mailDetails.add(md);
}
}
else {
LOG.warn("Message conteant is not Multipart " + message.getContentType() + " skipping ...");
}
}
return mailDetails;
}
private String getFrom(Message message) throws MessagingException {
Address[] froms = message.getFrom();
return froms[0].toString();
}
private String getTo(Message message) throws MessagingException {
Address[] tos = message.getAllRecipients();
return tos[0].toString();
}
public void logMailDetails(Message m) throws MessagingException {
Address[] f = m.getFrom();
if (f != null) {
for (int j = 0; j < f.length; j++)
LOG.debug("FROM: " + f[j].toString());
}
Address[] r = m.getRecipients(Message.RecipientType.TO);
if (r != null) {
for (int j = 0; j < r.length; j++) {
LOG.debug("TO: " + r[j].toString());
}
}
LOG.debug("SUBJECT: " + m.getSubject());
Date d = m.getSentDate();
LOG.debug("SendDate: " + d);
}
private String getUid(Message m) throws MessagingException {
try {
Address[] tos = m.getAllRecipients();
String to = tos[0].toString();
to = to.split("@")[0];
String[] parts = to.split("\\+");
return parts[parts.length - 1];
}
catch (Exception e) {
LOG.error("Failes to extract brand hash from email address " + Lists.newArrayList(m.getFrom()));
return UNKNOWN_BRAND_PATH;
}
}
private static final String UNKNOWN\u BRAND\u PATH=“UNKNOWN”;
公共静态最终字符串文件夹\u NAME=“收件箱”;
私有静态记录器LOG=org.slf4j.LoggerFactory.getLogger(lzmailReceiveService.class);
@值(${lz.mail.address}”)
私有字符串lzMailUserName;
@值(${lz.mail.password}”)
私有字符串lzMailPassword;
@值(${lz.mail.tmp.folder}”)
私有字符串lzMailTmpFolder;
公用存储连接()引发异常{
字符串SSL_FACTORY=“javax.net.SSL.SSLSocketFactory”;
Properties pop3Props=新属性();
pop3Props.setProperty(“mail.pop3.socketFactory.class”,SSL_工厂);
pop3Props.setProperty(“mail.pop3.socketFactory.fallback”、“false”);
pop3Props.setProperty(“mail.pop3.port”,“995”);
pop3Props.setProperty(“mail.pop3.socketFactory.port”,“995”);
URLName url=新的URLName(“pop3”,“pop.gmail.com”,995,”,lzMailUserName,lzMailPassword);
Session Session=Session.getInstance(pop3Props,null);
Store Store=新的POP3SSLSStore(会话,url);
store.connect();
退货店;
}
公用文件夹openFolder(存储存储)引发MessaginException{
Folder Folder=store.getDefaultFolder();
folder=folder.getFolder(文件夹名称);
文件夹。打开(文件夹。只读);
返回文件夹;
}
公用列表readAttachement(文件夹)引发IOException、MessaginException{
Message[]messages=folder.getMessages();
List mailDetails=新建ArrayList();
用于(消息:消息){
日志邮件详细信息(消息);
if(message.getContent()多部分实例){
Multipart Multipart=(Multipart)message.getContent();
对于(int i=0;i
问题在于,对于最初在mac bodyPart中创建的邮件,getDisposition()始终返回null。无论我尝试了什么,我都无法理解哪部分是附件部分(这是我真正需要的:从邮件中提取附件)
我在网上到处寻找,想知道原因是什么,但我没有找到答案。我如何发现以下由Juergen Hoeller撰写的说明,表明此处可能存在问题(更多详细信息:)
关于多部分邮件的警告:仅包含HTML文本但没有内联元素或附件的简单MIME邮件将或多或少适用于任何能够呈现HTML的电子邮件客户端。然而,内联元素和附件仍然是电子邮件客户端之间的一个主要兼容性问题:要使内联元素和附件在Microsoft Outlook、Lotus Notes和Mac Mail中工作几乎是不可能的。考虑为您的需要选择一个特定的多部分模式:JavaDoc
多部分_模式常量包含更详细的信息
如果邮件是从Mac发送的,有没有关于使用JavaMail的例子或解释
Yosi这个“性情”充其量只是一个暗示;不需要包括在内
以下JavaMail常见问题解答条目可能会有所帮助: