DocumentBuilderFactory setFeature() Method

Description

The Javax.xml.parsers.DocumentBuilderFactory.setFeature(String name, boolean value) method ets a feature for this DocumentBuilderFactory and DocumentBuilders created by this factory

Feature names are fully qualified URIs. Implementations may define their own features. A ParserConfigurationException is thrown if this DocumentBuilderFactory or the DocumentBuilders it creates cannot support the feature. It is possible for a DocumentBuilderFactory to expose a feature value but be unable to change its state.

Declaration

Following is the declaration for Javax.xml.parsers.DocumentBuilderFactory.setFeature() method

public abstract void setFeature(String name, boolean value)

Parameters

• name − Feature name.

• value − Is feature state true or false

Return Value

This method does not return a value.

Exception

• ParserConfigurationException − if this DocumentBuilderFactory or the DocumentBuilders it creates cannot support this feature.

• NullPointerException − If the name parameter is null.

Example

The following example shows the usage of Javax.xml.parsers.DocumentBuilderFactory.setFeature() method.

package com.tutorialspoint;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

public class DocumentBuilderFactoryDemo {

   public static void main(String[] args) {

      // create a new DocumentBuilderFactory
      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
      try {
         // set the feature of namespaces
         factory.setFeature("http://xml.org/sax/features/namespaces", true);

         // get the state of the feature
         System.out.println(""
                 + factory.getFeature("http://xml.org/sax/features/namespaces"));

      } catch (ParserConfigurationException ex) {
         ex.printStackTrace();
      }

   }
}

If we compile the code and execute it, this will produce the following result −

true