в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:22:55Z

1 версия

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== XMLStreamReader: getElementText() ==



<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>



== XMLStreamReader: getEventType() ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
File file = new File("test.xml");
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream(file));
while (reader.getEventType() == 6)
reader.next();
int eventTypeID = reader.next();
System.out.println("Hello " + reader.getText());
}
}

</source>



== XMLStreamReader.getLocalName() ==



<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>



== XMLStreamReader: getLocation() ==



<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.XMLStreamException;
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();
try {
reader.require(XMLStreamConstants.START_ELEMENT, null, "first_name");
} catch (XMLStreamException e) {
System.out.println("Assertion failed. " + e.getMessage() + " at "
+ reader.getLocation().getLineNumber() + ":" + reader.getLocation().getColumnNumber());
}
System.out.println(reader.getElementText());
}
}

</source>



== XMLStreamReader: getName() ==



<source lang="java">

import java.io.FileReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.events.XMLEvent;
public class Main {
public static void main(String args[]) throws Exception {
XMLInputFactory xmlif = XMLInputFactory.newInstance();
XMLStreamReader xmlsr = xmlif.createXMLStreamReader(new FileReader("points.xml"));
int eventType;
while (xmlsr.hasNext()) {
eventType = xmlsr.next();
switch (eventType) {
case XMLEvent.START_ELEMENT:
System.out.println(xmlsr.getName());
break;
case XMLEvent.CHARACTERS:
System.out.println(xmlsr.getText());
break;
default:
break;
}
}
}
}

</source>



== XMLStreamReader: getText() ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
File file = new File("test.xml");
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream(file));
while (reader.getEventType() == 6)
reader.next();
int eventTypeID = reader.next();
System.out.println("Hello " + reader.getText());
}
}

</source>



== XMLStreamReader: hasNext() ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.EventFilter;
import javax.xml.stream.StreamFilter;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.events.XMLEvent;
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")));
System.out.println(countEvents(reader));
reader = inputFactory.createXMLStreamReader(new FileInputStream(new File("test.xml")));
StreamFilter filter = new ElementOnlyFilter();
reader = inputFactory.createFilteredReader(reader, filter);
System.out.println(countEvents(reader));
}
private static int countEvents(XMLStreamReader reader) throws XMLStreamException {
int counter = 1;
while (reader.hasNext()) {
reader.next();
counter++;
}
return counter;
}
}
class ElementOnlyFilter implements EventFilter, StreamFilter {
public boolean accept(XMLEvent event) {
return accept(event.getEventType());
}
public boolean accept(XMLStreamReader reader) {
return accept(reader.getEventType());
}
private boolean accept(int eventType) {
return eventType == XMLStreamConstants.START_ELEMENT
|| eventType == XMLStreamConstants.END_ELEMENT;
}
}

</source>



== XMLStreamReader: next() ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
File file = new File("test.xml");
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream(file));
while (reader.getEventType() == 6)
reader.next();
int eventTypeID = reader.next();
System.out.println("Hello " + reader.getText());
}
}

</source>



== XMLStreamReader: nextTag() ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
File file = new File("text.xml");
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream(file));
int eventTypeID = reader.nextTag();
eventTypeID = reader.nextTag();
eventTypeID = reader.next();
System.out.println("Hello " + reader.getText());
}
}

</source>



== XMLStreamReader: require(int type, String namespaceURI, String localName) ==



<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.XMLStreamException;
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();
try {
reader.require(XMLStreamConstants.START_ELEMENT, null, "first_name");
} catch (XMLStreamException e) {
System.out.println("Assertion failed. " + e.getMessage() + " at "
+ reader.getLocation().getLineNumber() + ":" + reader.getLocation().getColumnNumber());
}
System.out.println(reader.getElementText());
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия