Java by API/javax.xml.stream/XMLStreamConstants

XMLStreamConstants.CDATA

  
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;
  }
}

XMLStreamConstants.CHARACTERS

  

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());
      }
    }
  }
}

XMLStreamConstants.END_ELEMENT

  
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;
    }
  }
}

XMLStreamConstants.ENTITY_REFERENCE

  

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());
      }
    }
  }
}

XMLStreamConstants.START_ELEMENT

  

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());
  }
}