Stax validating xml 6
Therefore, it becomes extremely important to always register a meaningful error handler while SAX parsing an XML document.If the application needs to be informed of the parsing events (and process it), it must implement the sax.Unfortunately, the W3C XSL-T specification does not provide any APIs for transformation.
This is done to ensure that any entity references in the XML instance (entity declarations being in the DTD) are expanded properly, which otherwise might lead to a malformed XML document, until and unless the standalone attribute on the XML declaration prolog is set to true, in which case the external DTD is ignored completely.If the DOM parser is W3C compliant, then, the DOM created is a W3C DOM, which can be traversed or modified using the org.w3APIs.Most of the DOM parsers also allow you to create an in-memory DOM structure from scratch, rather than just parsing an XML to a DOM.JAXP 1.0, then called Java API for XML Parsing, was a box office hit in the developer community, because of the pluggability layer provided by JAXP; that's what the essence of JAXP is.Developers can write program independent of the underlying XML processor by using the JAXP APIs, and can replace the underlying XML processor by choice without even changing a single line of application code. First of all, there has been some confusion in the past about the P in JAXP: Parsing or Processing?
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start Document is called only once before reporting any other event.