Creating an Input Factory

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FILTER

AMPLE

 M

TREAM

ILTER

JAVA

109

filter Sample MyStreamFilter.java

Located in the

<javaee.tutorial.home>/examples/stax/filter

directory,

MyStreamFilter.java

demonstrates how to use the StAX stream filter API to

filter out events not needed by your application. In this example, the parser filters
out all events except

StartElement

and

EndElement

Implementing the StreamFilter Class

The MyStreamFilter implements

javax.xml.stream.StreamFilter

public class MyStreamFilter implements
javax.xml.stream.StreamFilter{

Creating an Input Factory

The next step is to create an instance of XMLInputFactory. In this case, various
properties are also set on the factory:

XMLInputFactory xmlif = null ;
try{
xmlif = XMLInputFactory.newInstance();
xmlif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENC
ES,Boolean.TRUE);
xmlif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTIT
IES,Boolean.FALSE);
xmlif.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE ,
Boolean.TRUE);
xmlif.setProperty(XMLInputFactory.IS_COALESCING ,
Boolean.TRUE);
}catch(Exception ex){

ex.printStackTrace();

}
System.out.println("FACTORY: " + xmlif);
System.out.println("filename = "+ filename);