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Re: MimeParser

From: Kristjan Sander <kristjan@webmedia.ee>
Date: Thu, 28 Feb 2002 07:19:43 -0500 (EST)
Message-ID: <010001c1c052$46d68640$2e28a8c0@kristjan>
To: <www-jigsaw@w3.org>
I resolved my problem (MimeHeaders should be used with sub-streams), no
reply needed any more. :)

Best wishes,

Kristjan

> Hello
>
> I am seeking for help on using MimeParser class. My trouble is, I can get
> the streams responding to every part but I cannot parse them with
> MimeParser. I get an exception in notifyBeginParsing because I try to
parse
> it as I parse the whole reply and that is apparently wrong because there
are
> no HTTP version strings, status codes etc in single parts.
>
> I am developing a system where I get multipart data from replies, not
> requests and I use MimeParserReplyFactory and HttpReplyMessage.
>
> Sample code (with the help of
> http://lists.w3.org/Archives/Public/www-jigsaw/msg01250.html):
>
> public boolean saveParts(int maxLen) throws java.io.IOException,
> MimeParserException {
>       boolean result = true;
>       MimeParserReplyFactory factory = new MimeParserReplyFactory();
>       MimeParser parser  = new MimeParser(in, factory);
>       // Read each part:
>       System.out.println("Starting to read parts...");
>       while (in.nextInputStream()) {
>       // these are themselves MIME streams (!)
>         file://MimeHeaders headers = (MimeHeaders) parser.parse() ;
>         MimeHeaders headers = (MimeHeaders) parser.parse();
>         System.out.println ("----- headers:") ;
>         headers.dump(System.out) ;
>         System.out.println ("----- body:") ;
>         int  got      = -1 ;
>         byte buffer[] = new byte[4096] ;
>         InputStream body = parser.getInputStream();
>         while ((got = body.read(buffer)) > 0)
>         System.out.println (new String (buffer, 0, 0, got)) ;
>         System.out.println ("----- end of body") ;
>       }
> [....]
> }
>
> Output traceback:
>
> org.w3c.www.http.HttpInvalidValueException: parseInt: No number available.
>         at org.w3c.www.http.HttpParser.error(HttpParser.java:34)
>         at org.w3c.www.http.HttpParser.parseInt(HttpParser.java:125)
>         at org.w3c.www.http.HttpParser.parseInt(HttpParser.java:133)
>         at
>
org.w3c.www.http.HttpReplyMessage.notifyBeginParsing(HttpReplyMessage.java:1
> 90)
>         at org.w3c.www.mime.MimeParser.parse(MimeParser.java:197)
>         at
>
ee.hansa.thnet.eservices.MimeMultipartParser.saveParts(MimeMultipartParser.j
> ava:53)
>         at
> ee.hansa.thnet.eservices.EPartnerPage.execPage(EPartnerPage.java:97)
>         at
> ee.hansa.framework.site.SiteManager.servicePage(SiteManager.java:1178)
>         at ee.hansa.thnet.ThnetServlet.service(ThnetServlet.java:39)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at
> org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>         at org.apache.tomcat.core.Handler.service(Handler.java:286)
>         at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>         at
>
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
> 7)
>         at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>         at
>
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
> onnectionHandler.java:210)
>         at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>         at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>         at java.lang.Thread.run(Thread.java:484)
>
> Any help to my private address would be very much appreciated.
>
> Thanks in advance,
>
> Kristjan Sander
> O Webmedia
> www.webmedia.ee
>
Received on Thursday, 28 February 2002 08:46:05 GMT

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