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 don’t have to “handle” the <HugeData>.
I’ve 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 (I’d 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.
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