Java by API/javax.xml.stream.events/XMLEvent

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Версия от 14:23, 31 мая 2010; Admin (обсуждение | вклад) (1 версия)
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XMLEvent: asStartElement()

  

import java.io.FileReader;
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 {
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    XMLEventReader xmler = xmlif.createXMLEventReader(new FileReader("yourFile.xml"));
    XMLEvent event;
    while (xmler.hasNext()) {
      event = xmler.nextEvent();
      if (event.isStartElement()) {
        System.out.println(event.asStartElement().getName());
      } else if (event.isCharacters()) {
        System.out.println(event.asCharacters().getData());
      }
    }
  }
}





XMLEvent.ATTRIBUTE

  
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;
  }
}





XMLEvent.COMMENT

  
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;
  }
}





XMLEvent.END_ELEMENT

  
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;
  }
}





XMLEvent.ENTITY_REFERENCE

  
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;
  }
}





XMLEvent: isCharacters()

  

import java.io.FileReader;
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 {
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    XMLEventReader xmler = xmlif.createXMLEventReader(new FileReader("yourFile.xml"));
    XMLEvent event;
    while (xmler.hasNext()) {
      event = xmler.nextEvent();
      if (event.isStartElement()) {
        System.out.println(event.asStartElement().getName());
      } else if (event.isCharacters()) {
        System.out.println(event.asCharacters().getData());
      }
    }
  }
}





XMLEvent: isEndElement()

  
import java.io.FileReader;
import java.io.Reader;
import java.util.Iterator;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.Characters;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
public class Main {
  public static void main(String[] args) throws Exception {
    XMLInputFactory factory = XMLInputFactory.newInstance();
    Reader fileReader = new FileReader("Source.xml");
    XMLEventReader reader = factory.createXMLEventReader(fileReader);
    while (reader.hasNext()) {
      XMLEvent event = reader.nextEvent();
      if (event.isStartElement()) {
        StartElement element = (StartElement) event;
        System.out.println("Start Element: " + element.getName());
        Iterator iterator = element.getAttributes();
        while (iterator.hasNext()) {
          Attribute attribute = (Attribute) iterator.next();
          QName name = attribute.getName();
          String value = attribute.getValue();
          System.out.println("Attribute name/value: " + name + "/" + value);
        }
      }
      if (event.isEndElement()) {
        EndElement element = (EndElement) event;
        System.out.println("End element:" + element.getName());
      }
      if (event.isCharacters()) {
        Characters characters = (Characters) event;
        System.out.println("Text: " + characters.getData());
      }
    }
  }
}





XMLEvent.PROCESSING_INSTRUCTION

  
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;
  }
}





XMLEvent.SPACE

  
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;
  }
}


Источник — «http://jexp.ru/index.php?title=Java_by_API/javax.xml.stream.events/XMLEvent&oldid=1082»