Java by API/javax.xml.stream/XMLStreamConstants

XMLStreamConstants.CDATA

   <source lang="java">
 

import java.io.FileInputStream; import javax.xml.stream.XMLEventReader; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.events.XMLEvent; public class Main {

 public static void main(String[] args) throws Exception {
   String filename = "yourXML.xml";
   XMLInputFactory factory = XMLInputFactory.newInstance();
   System.out.println("FACTORY: " + factory);
   XMLEventReader r = factory.createXMLEventReader(filename, new FileInputStream(filename));
   while (r.hasNext()) {
     XMLEvent e = r.nextEvent();
     System.out.println(e.toString());
   }
 }
 public static final String getEventTypeString(int eventType) {
   switch (eventType) {
   case XMLEvent.START_ELEMENT:
     return "START_ELEMENT";
   case XMLEvent.END_ELEMENT:
     return "END_ELEMENT";
   case XMLEvent.PROCESSING_INSTRUCTION:
     return "PROCESSING_INSTRUCTION";
   case XMLEvent.CHARACTERS:
     return "CHARACTERS";
   case XMLEvent.ruMENT:
     return "COMMENT";
   case XMLEvent.START_DOCUMENT:
     return "START_DOCUMENT";
   case XMLEvent.END_DOCUMENT:
     return "END_DOCUMENT";
   case XMLEvent.ENTITY_REFERENCE:
     return "ENTITY_REFERENCE";
   case XMLEvent.ATTRIBUTE:
     return "ATTRIBUTE";
   case XMLEvent.DTD:
     return "DTD";
   case XMLEvent.CDATA:
     return "CDATA";
   case XMLEvent.SPACE:
     return "SPACE";
   }
   return "UNKNOWN_EVENT_TYPE " + "," + eventType;
 }

}

 </source>
   
  
 
  

XMLStreamConstants.CHARACTERS

   <source lang="java">
 

import java.io.FileInputStream; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamReader; public class Main {

 public static void main(String[] args) throws Exception {
   XMLInputFactory inputFactory = XMLInputFactory.newInstance();
   inputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
   inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
   XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
   while (reader.hasNext()) {
     int event = reader.next();
     if (event == XMLStreamConstants.CHARACTERS)
       System.out.println(reader.getText());
     else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
       System.out.println("en: " + reader.getLocalName());
       System.out.println("er: " + reader.getText());
     }
   }
   inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.FALSE);
   reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
   while (reader.hasNext()) {
     int event = reader.next();
     if (event == XMLStreamConstants.CHARACTERS)
       System.out.println(reader.getText());
     else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
       System.out.println("en: " + reader.getLocalName());
       System.out.println("er: " + reader.getText());
     }
   }
 }

}

 </source>
   
  
 
  

XMLStreamConstants.END_ELEMENT

   <source lang="java">
 

import java.io.FileReader; import java.io.Reader; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamReader; public class Main {

 public static void main(String[] args) throws Exception {
   XMLInputFactory factory = XMLInputFactory.newInstance();
   Reader fileReader = new FileReader("source.xml");
   XMLStreamReader reader = factory.createXMLStreamReader(fileReader);
   while (reader.hasNext()) {
     process(reader);
     reader.next();
   }
 }
 private static void process(XMLStreamReader reader) {
   int eventType = reader.getEventType();
   switch (eventType) {
   case XMLStreamConstants.START_ELEMENT:
     System.out.println("Start element: " + reader.getLocalName());
     int count = reader.getAttributeCount();
     for (int i = 0; i < count; i++) {
       String name = reader.getAttributeLocalName(i);
       String value = reader.getAttributeValue(i);
       System.out.println("\tAttribute name/value: " + name + "/" + value);
     }
     break;
   case XMLStreamConstants.END_ELEMENT:
     System.out.println("End element: " + reader.getLocalName());
     break;
   case XMLStreamConstants.CHARACTERS:
     System.out.println("Text: " + reader.getText());
     break;
   default:
     break;
   }
 }

}

 </source>
   
  
 
  

XMLStreamConstants.ENTITY_REFERENCE

   <source lang="java">
 

import java.io.FileInputStream; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamReader; public class Main {

 public static void main(String[] args) throws Exception {
   XMLInputFactory inputFactory = XMLInputFactory.newInstance();
   inputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
   inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
   XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
   while (reader.hasNext()) {
     int event = reader.next();
     if (event == XMLStreamConstants.CHARACTERS)
       System.out.println(reader.getText());
     else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
       System.out.println("en: " + reader.getLocalName());
       System.out.println("er: " + reader.getText());
     }
   }
   inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.FALSE);
   reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
   while (reader.hasNext()) {
     int event = reader.next();
     if (event == XMLStreamConstants.CHARACTERS)
       System.out.println(reader.getText());
     else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
       System.out.println("en: " + reader.getLocalName());
       System.out.println("er: " + reader.getText());
     }
   }
 }

}

 </source>
   
  
 
  

XMLStreamConstants.START_ELEMENT

   <source lang="java">
 

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 Main {

 public static void main(String[] args) throws Exception {
   XMLInputFactory inputFactory = XMLInputFactory.newInstance();
   XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream(new File("test.xml")));
   int eventTypeID = reader.nextTag();
   reader.require(XMLStreamConstants.START_ELEMENT, null, "person");
   eventTypeID = reader.nextTag();
   reader.require(XMLStreamConstants.START_ELEMENT, null, "first_name");
   System.out.println(reader.getElementText());
 }

}

 </source>