Validating xml documentbuilderfactory

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Otherwise the parser can’t tell which white space is ignorable and which isn’t.

The following two methods determine whether the parsers produced by this factory are “namespace aware.” A namespace aware parser will set the prefix and namespace URI properties of element and attribute nodes that are in a namespace. feature that lets you choose whether or not to include entity reference nodes in the DOM tree.

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The default, false, means that comment nodes will be produced. False means include comments, and true means don’t include comments.

In other implementations it will be something else.

Furthermore, since these classes do not share a common interface or superclass, the methods they use to parse documents vary too.

// parse an XML document into a DOM tree Document Builder Factory parser Factory = Document Builder Instance(); parser Namespace Aware(true); Document Builder parser = parser Document Builder(); Document document = parser.parse(new File("instance.xml")); // create a Schema Factory capable of understanding WXS schemas Schema Factory factory = Schema Instance(XMLConstants.

W3C_XML_SCHEMA_NS_URI); // load a WXS schema, represented by a Schema instance Source schema File = new Stream Source(new File("my Schema.xsd")); Schema schema = Schema(schema File); // create a Validator instance, which can be used to validate an instance document Validator validator = Validator(); // validate the DOM tree try catch (SAXException e) on a parser factory.

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