Non validating dom parser dating a musician on tour
a) Construction of DOM tree b) Traversing the DOM tree It does a Depth First Pre Order Traversal , for more on tree traversal techniques see here As it goes through each node it prints it contents.
This snippet explains how to handle the element Node parses a XML document and prints it on the console.
As a part of it we do certain operations like breaking child nodes and attaching them to its parent node and more in an XML structure. Java mappings are more useful when performance of integration server is concerned during runtime.
When a Sax parser parses a XML document and every time it encounters a tag it calls the corresponding tag handler methods when it encounter a Start Tag it calls this method public void start Element(String name, Attribute List attrs) when it encounter a End Tag it calls this method public void end Element(String name) This program also parses a XML file and prints it on the console . In this example, the Print Using Sax Class extends the Handler Base class and implemets the call back methods to handle the printing The steps involved are Get a instance of SAX parser, The previous program illustrated how to Parse an existing XML file using both SAX and DOM Parsers.
But generating a XML file from scratch is a different story , for instance you might like to generate a xml file for the data extracted form the database.
A non validating parser doesn't validate the XML file against a DTD or XML Schema.
Both Validating and non validating parser checks for the well formed ness of the xml document.
At the core of the DOM API are the Document and Node interfaces.