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Re: [jibx-users] Handling huge data (element)
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From: MUHAMMAD I. <iqb...@ho...> - 2006-02-08 00:02:43
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Hi, I am also new here and facing same problem. if you get success please send it to me, my email is iqb...@ho... Regards, Muhammad Iqbal >From: Dennis Sosnoski <dm...@so...> >Reply-To: jib...@li... >To: jib...@li... >Subject: Re: [jibx-users] Handling huge data (element) >Date: Wed, 08 Feb 2006 11:46:16 +1300 > >Hi Tony, > >One way to handle this would be to write a custom serializer/deserializer >that converts to/from files. The deserializer would be called with the >large base64 data string, which it would write out to a file on the local >file system and then return the path to the file as the deserialized value >(or an actual File object, if you prefer). The serializer would be called >with the file path (or File object), and would return the text of the file. > >This isn't completely ideal, in that you're still going to be working with >very large Strings for the base64 values, but you'd only need to have one >in memory at a time. > >- Dennis > >Javadev wrote: > >>Hi to all, >> >>I'm a newbie to Jibx, so please, forgive me if I post an already asked >>question (enven if I don't find a post that could interest me in the >>archive). >> >>Here's my issue. I'd like to user Jibx to unmarshall/marshall a XML >>document that could be huge (almost 100Mb, very rare but could be >>happened). >> >>The format of document is something like that : >> >><rootElement> >> >><childElement> >> >>.... >> >></childElement> >> >><Object> >> >><HugeData id="1" format="base64">data encoded in base64</HugeData> >> >><HugeData id="2" format="base64">data encoded in base64</HugeData> >> >></Object> >> >></rootElement> >> >>In fact in the most of cases, I dont have to handle the <HugeData>. >>Ive to extract them into a separated file only on demand. But when I >>unmarshall the document I get a OutOfMemory exception (cause I bind it >>with String type first). Then I try some others tips, but none works L. >>I tried to write an empty marshaller (that implements IMarshaller, >>IUnmarshaller, IAliasable, like the example with HashMapper) but I get the >>same result L >> >>So how could I do ? How Can I map the <HugeData> in order to avoid that >>could be loaded in memory (Id like to write it directly into a file >>instead) ? Does somebody manage to resolve this issue ? >> >>Thanks in advance for your replies. >> >>Cheers >> >>Tony >> >>PS: Sorry for my poor English level. >> >>-----Message d'origine----- >>De : jib...@li... >>[mailto:jib...@li...] De la part de >>jib...@li... >>Envoyé : mardi 24 janvier 2006 19:03 >>À : jav...@ya... >>Objet : Welcome to the "jibx-users" mailing list (Digest mode) >> >>Welcome to the jib...@li... mailing list! >> >>To post to this list, send your email to: >> >>jib...@li... >> >>General information about the mailing list is at: >> >>https://lists.sourceforge.net/lists/listinfo/jibx-users >> >>If you ever want to unsubscribe or change your options (eg, switch to >> >>or from digest mode, change your password, etc.), visit your >> >>subscription page at: >> >>https://lists.sourceforge.net/lists/options/jibx-users/java2004kto%40yahoo.fr >> >>You can also make such adjustments via email by sending a message to: >> >>jib...@li... >> >>with the word `help' in the subject or body (don't include the >> >>quotes), and you will get back a message with instructions. >> >>You must know your password to change your options (including changing >> >>the password, itself) or to unsubscribe. It is: >> >>java2004kto >> >>If you forget your password, don't worry, you will receive a monthly >> >>reminder telling you what all your lists.sourceforge.net mailing list >> >>passwords are, and how to unsubscribe or change your options. There >> >>is also a button on your options page that will email your current >> >>password to you. >> >>You may also have your password mailed to you automatically off of the >> >>Web page noted above. >> > > >------------------------------------------------------- >This SF.net email is sponsored by: Splunk Inc. Do you grep through log >files >for problems? Stop! Download the new AJAX search engine that makes >searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! >http://sel.as-us.falkag.net/sel?cmd=lnk&kid3432&bid#0486&dat1642 >_______________________________________________ >jibx-users mailing list >jib...@li... >https://lists.sourceforge.net/lists/listinfo/jibx-users |