daisydiff | A simple ruby wrapper for Daisy Diff
kandi X-RAY | daisydiff Summary
kandi X-RAY | daisydiff Summary
A simple ruby wrapper for Daisy Diff.
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QUESTION
I'm using DaizyDIff library to compare two html files. I wrote a java code to implement the DaizyDiff. but while running I'm getting NULL pointer exception on net.sf.saxon.event.ReceivingContentHandler.startElement
I have tries multiple approach on SAXTransformerFactory , but I couldn't figure out
...ANSWER
Answered 2019-Feb-12 at 12:03It's hard to know without knowing what DaisyDiff is, or what calls it makes. It's quite possible that it's not tested or supported for use with Saxon.
The format of data passed to the startElement() event in a SAX ContentHandler depends on the configuration options of the XML parser, and the problem when Saxon is invoked as a ContentHandler in this way is that it has no way of discovering what configuration options the parser is using.
As stated in the Javadoc documentation here: http://www.saxonica.com/documentation/index.html#!javadoc/net.sf.saxon.event/ReceivingContentHandler@startElement if the events emitted by the parser don't correspond to what an appropriately configured parser would emit, the ReceivingContentHandler will fail in unpredictable ways.
Posting the stack trace of the exception might be useful.
QUESTION
So, I currently struggle to implement a diffing tool, which is capable of diffing two HTML Files. I did some research and ended up using DaisyDiff. Since this tool seems to be a bit aged now, I struggle to find some examples, that still work. I found this quesion on Stackoverflow, since I could not figure out, what to pass as 3rd and 4th argument, and it helped. The current state of my implementation:
...ANSWER
Answered 2018-Jan-17 at 12:45So, I finally got it to work. After I found this example code on Github, it was clear, that the issue was not the ContentHandler
, as I suspected. So, if anyone also needs to diff some HTML, and does not want to waste a few days searching for a good (and working) example, this is how I got it working.
First, you need to download the NekoHTML Dependency, which is basically a HTML Parser.
Thats how my import block looks like
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