Testing EntityReferences in Xml

In this section, you will learn about EntityReferences in an XML file.


JAXB Create XML File And Get Data From XML XML,XML Tutorials,Online XML Tutorial,XML Help Tutorials The Simple API for XML (SAX) APIs Part I XML,XML Tutorials,Online XML Tutorial,XML Help Tutorials XML Tutorial Ignoring Comments While Parsing an XML File Accessing XML file from Java Preventing Expansion of Entity References Getting next Tag in the XML File Replacing a Node with a New One Reading XML Data from a Stream Reading an XML document using JDOM Query XML with an XPath expression Normalize All of the Text in a Document Modifying Text by Replacement Insert a Processing Instruction and a Comment Node Getting text values from a NodeList Finding an ID Value and Print the Element Text Edit Text by Insertion and Replacement Duplicating a Subtree Deleting Two Attributes Delete the First Child of the Root Node Creating XML Tree Creating a DocumentFragment Subtree and Appending it to the Document Creates element node, attribute node, comment node, processing instruction and a CDATA section Creates a New DOM Parse Tree Replacing a Text Node with a New CDATA Section Node Create an Empty DOM Document Adding an Attribute in DOM Document Transforming XML with XSLT Transforming an XML File with XSL Transforming XML with SAXFilters Storing properties in XML file Testing EntityReferences in Xml Splitting One Text Node into Three Reading XML from a File Modifying Text by Cutting and Pasting Locating a Node by Using Siblings Locate a Node and Change Its Content Loading properties from a XML file Listing nodes used in a document Inserting a New Entry in a List Creating an InlineStreamFilter Ignoring Comments While Parsing an XML File Handling Errors While Parsing an XML File Emitting DOCTYPE Declaration while writing XML File Converting CDATA Nodes into Text Nodes Java DOM Tutorial Creating Blank DOM Document

Testing EntityReferences in Xml


This Example gives you the way to test EntityReferences in an XML file. JAXP (Java API for XML Processing) is an interface which provides parsing of xml documents. There are some of the methods used in code given below for Testing EntityReferences in Xml File:-

XMLInputFactory Factory = XMLInputFactory.newInstance():-By this method we create a new instance of the factory.

factory.setProperty(XMLInputFactory.IS_COALESCING, true):-This method sets the property that requires the parser to coalesce adjacent character data sections.

factory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, true):-This method sets the parser to replace internal entity references with their replacement text.

XMLStreamReader reader = Factory.createXMLStreamReader(new FileInputStream(file)):-Creates a new StreamReader which allows forward, read-only access to XML.

Xml code for the program generated is:-

<?xml version="1.0" encoding="UTF-8"?>
<!-- Information About Employees -->
  <Employee Id="Rose-2345">
  <name>Girish Tewari</name>
 <Doj>May 2008</Doj>
  <!-- Information about other  Employee -->  
  <Employee Id="Rose-2346">
 <name>Mahendra Singh</name>
  <Doj>May 2008</Doj>


 * @Program for testing EntityReferences in Xml.
 * TestingEntityReference.java 
 * Author:-RoseIndia Team
 * Date:-19-July-2008
import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamReader;

public class TestingEntityReference {
  public static void main(String[] args) throws Exception {
  File f = new File("Document4.xml");

XMLInputFactory factory = XMLInputFactory.newInstance();
  factory.setProperty(XMLInputFactory.IS_COALESCING, true);

  XMLStreamReader reader = 
new FileInputStream(f));
  System.out.println("Factory is validating: " 
+ reader.getProperty(XMLInputFactory.IS_VALIDATING));
  System.out.print("Factory is Replacing Entity Reference: ");

  while (reader.hasNext()) {
  int event = reader.next();
  if (event == XMLStreamConstants.CHARACTERS) {
  else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
  System.out.println("en: " + reader.getLocalName());
  System.out.println("er: " + reader.getText());

Output of the program:-

Factory is validating: false

Factory is Replacing Entity Reference: true



  Girish Tewari


 May 2008



 Mahendra Singh


  May 2008

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