Java XMLEventWriter.flush方法代碼示例

import javax.xml.stream.XMLEventWriter; //導入方法依賴的package包/類
/**
 * Test XMLStreamWriter parsing a file with an external entity reference.
 */
@Test
public void testXMLStreamWriter() {

    try {
        XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
        XMLEventWriter eventWriter = outputFactory.createXMLEventWriter(System.out);
        XMLInputFactory inputFactory = XMLInputFactory.newInstance();
        String file = getClass().getResource("XMLEventWriterTest.xml").getPath();
        XMLEventReader eventReader = inputFactory.createXMLEventReader(new StreamSource(new File(file)));

        // adds the event to the consumer.
        eventWriter.add(eventReader);
        eventWriter.flush();
        eventWriter.close();

        // expected success
    } catch (Exception exception) {
        exception.printStackTrace();
        Assert.fail(exception.toString());
    }
}
 

import javax.xml.stream.XMLEventWriter; //導入方法依賴的package包/類
/**
 * @bug 8139584
 * Verifies that the resulting XML contains the standalone setting.
 */
@Test
public void testCreateStartDocument_DOMWriter()
        throws ParserConfigurationException, XMLStreamException {

    XMLOutputFactory xof = XMLOutputFactory.newInstance();
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.newDocument();
    XMLEventWriter eventWriter = xof.createXMLEventWriter(new DOMResult(doc));
    XMLEventFactory eventFactory = XMLEventFactory.newInstance();
    XMLEvent event = eventFactory.createStartDocument("iso-8859-15", "1.0", true);
    eventWriter.add(event);
    eventWriter.flush();
    Assert.assertEquals(doc.getXmlEncoding(), "iso-8859-15");
    Assert.assertEquals(doc.getXmlVersion(), "1.0");
    Assert.assertTrue(doc.getXmlStandalone());
}
 

import javax.xml.stream.XMLEventWriter; //導入方法依賴的package包/類
/**
 * @bug 8139584
 * Verifies that the resulting XML contains the standalone setting.
 */
@Test
public void testCreateStartDocument() throws XMLStreamException {

    StringWriter stringWriter = new StringWriter();
    XMLOutputFactory out = XMLOutputFactory.newInstance();
    XMLEventFactory eventFactory = XMLEventFactory.newInstance();

    XMLEventWriter eventWriter = out.createXMLEventWriter(stringWriter);

    XMLEvent event = eventFactory.createStartDocument("iso-8859-15", "1.0", true);
    eventWriter.add(event);
    eventWriter.flush();
    Assert.assertTrue(stringWriter.toString().contains("encoding=\"iso-8859-15\""));
    Assert.assertTrue(stringWriter.toString().contains("version=\"1.0\""));
    Assert.assertTrue(stringWriter.toString().contains("standalone=\"yes\""));
}
 

import javax.xml.stream.XMLEventWriter; //導入方法依賴的package包/類
/**
 * Writes the processed {@link XMLEvent}s to an {@link OutputStream}.
 * @param outputStream The {@link OutputStream} to write the {@link XMLEvent}s to.
 * @return The {@link Stockpile} instance for chaining.
 * @throws XMLStreamException If an XML error occurs.
 */
public Stockpile write(OutputStream outputStream) throws XMLStreamException {
	XMLEventWriter writer = output.createXMLEventWriter(outputStream);

	try {
		addEventsTo(writer);
	} finally {
		writer.flush();
		writer.close();
	}

	return this;
}
 

import javax.xml.stream.XMLEventWriter; //導入方法依賴的package包/類
/**
 * Inspired by CR 6245284 Sun Stax /sjsxp.jar does not behave properly
 * during merge of xml files.
 */
@Test
public void testMerge() {

    try {
        // Create the XML input factory
        XMLInputFactory factory = XMLInputFactory.newInstance();

        // Create XML event reader 1
        InputStream inputStream1 = new FileInputStream(new File(XMLEventWriterTest.class.getResource("merge-1.xml").toURI()));
        XMLEventReader r1 = factory.createXMLEventReader(inputStream1);

        // Create XML event reader 2
        InputStream inputStream2 = new FileInputStream(new File(XMLEventWriterTest.class.getResource("merge-2.xml").toURI()));
        XMLEventReader r2 = factory.createXMLEventReader(inputStream2);

        // Create the output factory
        XMLOutputFactory xmlof = XMLOutputFactory.newInstance();

        // Create XML event writer
        XMLEventWriter xmlw = xmlof.createXMLEventWriter(System.out);

        // Read to first <product> element in document 1
        // and output to result document
        QName bName = new QName("b");

        while (r1.hasNext()) {
            // Read event to be written to result document
            XMLEvent event = r1.nextEvent();

            if (event.getEventType() == XMLEvent.END_ELEMENT) {

                // Start element - stop at <product> element
                QName name = event.asEndElement().getName();
                if (name.equals(bName)) {

                    QName zName = new QName("z");

                    boolean isZr = false;

                    while (r2.hasNext()) {
                        // Read event to be written to result document
                        XMLEvent event2 = r2.nextEvent();
                        // Output event
                        if (event2.getEventType() == XMLEvent.START_ELEMENT && event2.asStartElement().getName().equals(zName)) {
                            isZr = true;
                        }

                        if (xmlw != null && isZr) {
                            xmlw.add(event2);
                        }

                        // stop adding events after </z>
                        // i.e. do not write END_DOCUMENT :)
                        if (isZr && event2.getEventType() == XMLEvent.END_ELEMENT && event2.asEndElement().getName().equals(zName)) {
                            isZr = false;
                        }
                    }
                    xmlw.flush();
                }
            }

            // Output event
            if (xmlw != null) {
                xmlw.add(event);
            }
        }

        // Read to first <product> element in document 1
        // without writing to result document
        xmlw.close();

        // expected success
    } catch (Exception ex) {
        ex.printStackTrace();
        Assert.fail(ex.toString());
    }
}