Xmlreaderfactory how to validating xml

23-Jan-2017 17:08

I have also worked around this error previously by adding lots of XML jars to an application and inverting classloader structure or filtering out classes from the system classpath but I would be nice if applications could start using the bundled XML parsers and APIs.Thanks, Hal I was thinking that it would be safer to just use JAXP as a fallback although I think JAXP is used for DOM parser discovery elsewhere in Xml Utils so it would make sense to use it for SAX parser discovery as well.This means you can (in limited fashion) tell the parser how to react to certain types of problems.Finally, there's validation using DTD and XML schema.Suppose that the sample file included definitions for several airports, and you wanted to see the names and aliases for each one.Your handler's (I'm cheating here, because I don't show how to capture the elements' body content.

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This error was particularly frustrating b/c it only showed up when the application was deployed with other applications and it would not happen when I was running the application locally by itself.I compiled the sample code under Fedora Core 3/x86 using Xerces-C 2.6.0 and GCC 3.4.3.The code uses the helper classes described in the previous article, but you don't need to understand them to follow this article. It reads a document sequentially, and hands your code chunks of data to process.With SAX you pluck out exactly what you want from the XML document, instead of wandering the DOM tree.Xerces provides customizable error handling for both types of parsing.

This error was particularly frustrating b/c it only showed up when the application was deployed with other applications and it would not happen when I was running the application locally by itself.

I compiled the sample code under Fedora Core 3/x86 using Xerces-C 2.6.0 and GCC 3.4.3.

The code uses the helper classes described in the previous article, but you don't need to understand them to follow this article. It reads a document sequentially, and hands your code chunks of data to process.

With SAX you pluck out exactly what you want from the XML document, instead of wandering the DOM tree.

Xerces provides customizable error handling for both types of parsing.

(Come to think of it, validation is the reason for a lot of error handling.) Letting the parser handle the validation means your code can (safely) assume a certain document structure.