lxml alternative in Java?

Question

I have been extensively using lxml for developing algos. But now, due to performance issues, I have to migrate to Java. Moral is, can I find as awesome as lxml dom parser in Java?

> Key requirements :

1) feature like text_content() 2) iterchildren and 3) iterparent() and itersiblings()--- (if xpath is there, I think we can do such traversing, not sure).

Jsoup is famous there, but not sure if all can be done. I just want to port algorithms not heavy rewriting. Please suggest.

Thanks.

Why Java : I am doing complex nlp and dom parsing tasks. Python is first choice and will remain.Writing c-extension is one thing, and performing complex nlp tasks is another, and merging two is yet another thing. Hence Java. Nothing offensive.

Answer 1

Saxon is your best bet in my opinion http://saxon.sourceforge.net . A bunch of examples can be found in this download of saxon-resources9-4.zip found here: http://sourceforge.net/projects/saxon/files/Saxon-HE/9.4/ like xpath expressions:

    XPathExpression findLine =
        xpe.compile("//LINE[contains(., $word)]");
    XPathExpression findLocation =
        xpe.compile("concat(ancestor::ACT/TITLE, ' ', ancestor::SCENE/TITLE)");
    XPathExpression findSpeaker =
        xpe.compile("string(ancestor::SPEECH/SPEAKER[1])");