That's because it is rather new and the xml flurry has been quite sleepy (e.g. the general xml mailing list at apache.org is dead). A better measure stab would be to estimate how central the role of XML is in these projects. DOM and SAX is typically used when one has to parse just a bit.
Paul On 11/06/15 16:19, Sergiu Dumitriu wrote: > A quick code search on openhub and github: > > * library | openhub | github > * org.w3c.dom | 180k [1] | 1.1m [2] > * jdom 1 | 35k [3] | 112k [4] > * stax | 25k [5] | 127k [6] > * jdom 2 | 2k [7] | | 20k [8] > > It seems that jdom2 is not that popular, at least not in the projects > tracked by openhub or hosted on github. > > [1] http://code.openhub.net/search?s=%22import%20org.w3c.dom%22 > [2] https://github.com/search?q="import+org.w3c.dom"&type=Code > [3] http://code.openhub.net/search?s=%22import%20org.jdom%22 > [4] https://github.com/search?q=%22import+org.jdom.%22&type=Code > [5] http://code.openhub.net/search?s=%22import%20javax.xml.stream%22 > [6] https://github.com/search?q=%22import+javax.xml.stream%22&type=Code > [7] http://code.openhub.net/search?s=%22import%20org.jdom2%22 > [8] https://github.com/search?q=%22import+org.jdom2%22&type=Code > > On 06/10/2015 03:53 PM, Paul Libbrecht wrote: >> >> On 10/06/15 21:47, Sergiu Dumitriu wrote: >>> +1 for removing DOM4J, it's been dead for 10 years. >>> But why do we need a non w3c library at all? Why is JDOM better than DOM? >>> The main reason is that it is supposedly easier to use for Java >>> programmers, but is it that much easier to justify having different >>> APIs? The standard DOM is part of the Java language. >> Well... my experience in the ActiveMath group with quite several >> developers is that JDOM is way easier at representing properly the fine >> details of XML in its completeness than DOM. Also, we ran experiment >> with the Xerces DOM implementation around 2005 or so, and basically got >> the following time factors >> - Xerces DOM: 4 >> - Xerces SAX with JDOM: 2 >> - Saxon SAX with JDOM: 1 >> So we kept the latest. Note that Xerces is what's inside Oracle's JVM >> (or used to be). >> Memory was also considerably better using JDOM. >> >> The modern way would be to go for StAX but that is a huge programming >> change. >> >> paul >> >> >>
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