java - Unmarshall single non-root node of a long XML file -

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i have xml looks this:

<root>   <header>     ...   </header>   <entries>     ...   </entries> </root>

there single header node, lot of entries. there way extract node java bean, without reading whole xml file.

if possible, there support in springbatch or xstream?

i don't think using springbatch chunk-oriented tasklet staxeventitemreader appropriate since want read 1 item.

you can write own itemreader extending staxeventitemreader (or, better, delegating it), redefine method itemreader.read() , change condition indicate reader "exhausted" returning null after first valid node read: when spring-batch found itemreader.read() method returning null stop processing file.
can use chunk-oriented , avoid full file read.


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