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Now that you understand more about namespaces, you're ready to take a deeper look at the process of XML Schema validation.Although a full treatment of XML Schema is beyond the scope of this tutorial, this section will show you the steps you need to take to validate an XML document using an XML Schema definition. Error: Public ID: null System ID: file:/C:/herong/invalid_Line number: 33 Column number: 9 Message: The content of element type "word" must match "(update? Error: Public ID: null System ID: file:/C:/herong/invalid_Line number: 35 Column number: 33 Message: Attribute "date" is required and must be specified for element type "update". Error: Public ID: null System ID: file:/C:/herong/invalid_Line number: 30 Column number: 26 Message: Attribute "is_acronym" with value "yes" must have a value from the list "true false ". Default Handler; class DOMValidator java DOMValidator invalid_Error: Public ID: null System ID: file:/C:/herong/invalid_Line number: 24 Column number: 41 Message: Attribute "language" must be declared for element type "name".In this article, i am going to use the Swing for the UI purpose and for the XML validation against its schema i will use DOM parser as well as SAX Parser.
When using this XML Schema to validate the input XML document, the following error gets reported: ) as defined below has been used in the code examples to validate the input document.The Error Handler used for the examples is a very simple one which reports the error to and continues until the XML document has been fully parsed or until a fatal-error has been reported.Namespaces have been introduced to XML after the first specification of XML had received the official W3C Recommendation status.Document Builder, to represent classes that can parse XML files into document objects described in the Document Object Model (DOM). The document builder also supports DTD validation during the parsing process. To do this: /* * Copyright (c) 2002-2014 Herong Yang.com, All Rights Reserved.