Java电子邮件解析器？ [英] Java Email message Parser?

问题描述

任何人都熟悉Java库，有助于解析以下电子邮件的字段（日期，主题，从，到）？

  Message-ID：< 19815303.1075861029555.JavaMail.ss@kk> 
日期：Wed，6 Mar 2010 12:32:20 -0800（PST）
来自：[e-mail] 
收件人：[e-mail] 
主题：some主题
 Mime版本：1.0 
内容类型：text / plain; charset = us-ascii 
内容转移编码：7bit 
 X-From：一个，一些 X-To：一个
 X-cc：
 X-bcc：
 X文件夹：Bob \Inbox 
 X-Origin：Bob-R 
 X-FileName：rbob（非特权）.pst 
 
 
某些消息
  

解决方案

JavaMail 是一个oracle库，它可以在javax.mail包中提供邮件服务和邮件相关服务（如解析传统和MIME消息）。此外，Apache还有一个 Commons Email 邮件处理库。

在JavaMail api中，一种解析包含电子邮件（可能或可能不显式为MIME）的字符串的简单方法将如下

  String content = ... 
会话s = Session.getDefaultInstance（new Properties（））; 
 InputStream is = new ByteArrayInputStream（content.getBytes（））; 
 MimeMessage message = new MimeMessage（s，is）; 
  

并解析标题可以像这样完成

  message.getAllHeaderLines（）; 
 for（枚举< Header> e = message.getAllHeaders（）; e.hasMoreElements（）;）{
标题h = e.nextElement（）; 
 h.getName（）; 
 h.getValue（）; 
} 
  

Is anyone familiar with a Java library that helps with parsing the fields (date, subject, from, to) of the email below?

Message-ID: <19815303.1075861029555.JavaMail.ss@kk>
Date: Wed, 6 Mar 2010 12:32:20 -0800 (PST)
From: [e-mail]
To: [e-mail]
Subject: some subject
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-From: one, some <[e-mail]>
X-To: one
X-cc: 
X-bcc: 
X-Folder: Bob\Inbox
X-Origin: Bob-R
X-FileName: rbob (Non-Privileged).pst


some message

解决方案

JavaMail is an oracle library that provides mail services and mail related services (like parsing conventional & MIME messages) in the javax.mail package. Additionally Apache has a Commons Email library for mail handling.

In the JavaMail api, a simple way to parse a string containing an email message (which may or may not be explicitly MIME) would be as follows

String content = ...
Session s = Session.getDefaultInstance(new Properties());
InputStream is = new ByteArrayInputStream(content.getBytes());
MimeMessage message = new MimeMessage(s, is);

and parsing the headers could be done like this

message.getAllHeaderLines();
for (Enumeration<Header> e = message.getAllHeaders(); e.hasMoreElements();) {
    Header h = e.nextElement();
    h.getName();
    h.getValue();
}

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