Parsing XML documents partially with StAX

When parsing an XML document, an XMLEventReader instance delivers event objects to the client application through its next() method -- one for each syntactical unit in the document. However, applications are not always interested in receiving all event classes; an application that only looks at XML elements and their attributes doesn't care about events that represent comments or processing instructions. Fortunately, StAX allows you to skip certain event classes by implementing an event filter.

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