使用 Java API 从 Lotus Notes NSF 文件中提取电子邮件消息
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Extracting email messages from a Lotus Notes NSF file using Java API
提问by bajafresh4life
I'd like to use the Java API (Notes.jar), and I'm running a Windows box with Lotus Notes 8.5 installed.
我想使用 Java API (Notes.jar)，并且我正在运行安装了 Lotus Notes 8.5 的 Windows 机器。
I know nothing about Lotus Notes, and I only need to do this one narrow task: extracting email messages from an NSF file. I want to be able to iterate through all the email messages, grab the metadata (From, To, Cc, etc) or the raw MIME if available.
我对 Lotus Notes 一无所知，我只需要完成一项狭窄的任务：从 NSF 文件中提取电子邮件消息。我希望能够遍历所有电子邮件，获取元数据（发件人、收件人、抄送等）或原始 MIME（如果可用）。
I've googled around quite a bit, but I haven't found anything straightforward without requiring some significant Lotus Notes domain expertise.
我已经在谷歌上搜索了很多，但我没有找到任何不需要一些重要的 Lotus Notes 领域专业知识的简单方法。
Some sample code to get me started would be greatly appreciated. Thanks!
一些让我开始的示例代码将不胜感激。谢谢！
UPDATE: I found an open source project that does this in Python:
更新：我发现了一个用 Python 执行此操作的开源项目：
http://code.google.com/p/nlconverter/
http://code.google.com/p/nlconverter/
However, still looking for a way to do this in Java.
但是，仍在寻找一种在 Java 中执行此操作的方法。
回答by Ed Schembor
You can write a simple Java app which gets a handle to the mail database you are interested in, then gets a handle to a standard view in that database, and then iterates over the documents in the view. Here is some (rough) sample code:
您可以编写一个简单的 Java 应用程序，它获取您感兴趣的邮件数据库的句柄，然后获取该数据库中标准视图的句柄，然后遍历视图中的文档。这是一些（粗略的）示例代码：
import lotus.domino.*;
public class sample extends NotesThread
{
public static void main(String argv[])
{
sample mySample = new sample();
mySample.start();
}
public void runNotes()
{
try
{
Session s = NotesFactory.createSession();
Database db = s.getDatabase ("Server", "pathToMailDB.nsf");
View vw = db.getView ("By Person"); // this view exists in r8 mail template; may need to change for earlier versions
Document doc = vw.getFirstDocument();
while (doc != null) {
System.out.println (doc.getItemValueString("Subject"));
doc = vw.getNextDocument(doc);
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
The getItemValueStringmethod gets a given "field" value. Other important fields on a mail document are: From, SendTo, CopyTo, BlindCopyTo, Subject, Body and DeliveredDate. Note that Body is a Notes "rich text" item, and getItemValueStringwill return the text-only portion. DeliveredDate is a NotesDate item, and you would need to use the getItemValueDateTimeArraymethod for that.
该getItemValueString方法获取给定的“字段”值。邮件文档上的其他重要字段是：From、SendTo、CopyTo、BlindCopyTo、Subject、Body 和 DeliveredDate。请注意，正文是 Notes 的“富文本”项目，getItemValueString将返回纯文本部分。DeliveredDate 是一个 NotesDate 项目，您需要为此使用该getItemValueDateTimeArray方法。
回答by Marware
For future searchers In Linux or Windows you can manage to read the NSF file as plain text
对于未来的搜索者在 Linux 或 Windows 中，您可以设法以纯文本形式阅读 NSF 文件
Example usage using strings command:
使用字符串命令的示例用法：
strings file.nsf
Of course you can open the file in binary mode in your preffered language and parse the output
当然，您可以使用首选语言以二进制模式打开文件并解析输出
Note: Doesn't need IBM Lotus Notes or Domino.
注意：不需要 IBM Lotus Notes 或 Domino。
