SAX is a state independent processing, where the handling of an element does not depend on the other elements. In SAX we cannot go back to an earlier part of the document and we can only process element by element, one by one from the start to the end.SAX is fast and efficient and it is useful for state-independent filtering. SAXParse Exception; /* Extends Default Handler with error handler methods to catch warnings and validation errors */ public class Valid Handler extends Default Handler The validation source is essentially an XML instance and a method to read it.Reads the instance document from different validation sources. Notice that, if no error handler is set, then both errors and fatal errors throw an exception and thus are reported by the validator.In the following we are going to see a demo application which output all SAX events. It is extending When a fatal error occurs, the parser cannot continue.
SAX requires much less memory than DOM since SAX does not create an internal tree structure of the XML data, as a DOM does. The version bundled with Java 1.5 is Xerces 2.6.2, which has a bug: It passes the entity resolver an absolutized system Id. By now, you have done a lot of experimenting with the nonvalidating parser.Although the phrase "XML Schema schema" would be precise, we'll use the phrase "XML Schema definition" to avoid the appearance of redundancy.To be notified of validation errors in an XML document, the parser factory must be configured to create a validating parser, as shown in the preceding section.