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I'll second the vote for a pull parser approach. I've got a simple pull parser document comparison implementation as part of my JiBX project that might serve as a good starting point for this: http://cvs.sourceforge.net/viewcvs.py/*checkout*/jibx/jibx/build/extras/org/jibx/extras/DocumentComparator.java?content-type=text%2Fplain&rev=1.1 (or in the distribution as build/extras/org/jibx/extras/DocumentComparator.java). If your documents use ordering doing a merge should be easy. - Dennis Dennis M. Sosnoski Enterprise Java, XML, and Web Services Support - http://www.sosnoski.com JiBX Lead Developer - http://www.jibx.org Redmond, WA 425.885.7197 Chris Wilper wrote: >Hi, > >You might find http://www.alphaworks.ibm.com/tech/xmldiffmerge >useful. I'm not sure whether it uses SAX or DOM or a combo though. > >Another idea is to abandon DOM and SAX altogether and try a >pull parser on each of your streams, controlling the merging process >in a more straightforward way. >http://www.extreme.indiana.edu/xgws/xsoap/xpp/ > >- Chris > >-----Original Message----- >From: Dongling Ding [mailto:dling61@y...] >Sent: Friday, November 21, 2003 10:56 AM >To: xml-dev@l... >Subject: Merge xml documents with SAX > > >Hi, > > >We're dealing with XML documents merge. The size of >docs may be big (> 2 mb). The DOM objects really >consume memory resource here. Is there any to build >one DOM object and use SAX to access another doc, and >perform merge process? Is there anyone trying to use >this kind of approach? > >Any light on this? > > >Thanks > > >Dongling > >
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