如何使用apache TIKA在pst中提取附加邮件的内容

Question

我想使用Apache TIKA提取PST中附加到另一封邮件的邮件内容。当我解析pst时，附加邮件的元数据的X-TIKA：内容密钥没有邮件正文。如何提取附加邮件的正文内容？这是代码：

public void parsePSTfile(File file) throws IOException, TikaException, org.xml.sax.SAXException 
{
    Parser p = new AutoDetectParser();
    RecursiveParserWrapper wrapper = new RecursiveParserWrapper(p,
            new BasicContentHandlerFactory(
                    BasicContentHandlerFactory.HANDLER_TYPE.XML, -1));

    InputStream stream = TikaInputStream.get(file);
    ParseContext context = new ParseContext();

    wrapper.parse(stream, new DefaultHandler(), new Metadata(), context);

    for (Metadata metadata : wrapper.getMetadata()) {

            for (String name : metadata.names()) {

                for (String value : metadata.getValues(name)) {
                    if (name.equalsIgnoreCase("Message-From"))
                        //set value in required object
                    if ("X-TIKA:content".equalsIgnoreCase(name)) {
                    //Here extracting the message body
                        AutoDetectParser parser = new AutoDetectParser();
                        ContentHandler textHandler = new BodyContentHandler();
                        Metadata xmetadata = new Metadata();
                        InputStream inputStream = new ByteArrayInputStream(value.getBytes("UTF-8"));
                        new HtmlParser().parse(inputStream,textHandler,xmetadata,new ParseContext());
                        //set value of textHandler.toString()in required object
                    }
                }

            }

        }

    }