Java XMLStreamConstants类代码示例

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
public static String readUntilEndElement(String endElementName, XMLStreamReader reader, XmlEventHandler eventHandler) throws XMLStreamException {
    String text = null;
    int event;
    while (!((event = reader.next()) == XMLStreamConstants.END_ELEMENT
            && reader.getLocalName().equals(endElementName))) {
        text = null;
        switch (event) {
            case XMLStreamConstants.START_ELEMENT:
                if (eventHandler != null) {
                    eventHandler.onStartElement();
                }
                break;

            case XMLStreamConstants.CHARACTERS:
                text = reader.getText();
                break;

            default:
                break;
        }
    }
    return text;
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * Processes a GateDocumentFeatures or Annotation element to build a
 * feature map. The element is expected to contain Feature children,
 * each with a Name and Value. The reader will be returned positioned
 * on the closing GateDocumentFeatures or Annotation tag.
 * 
 * @throws XMLStreamException
 */
public static FeatureMap readFeatureMap(XMLStreamReader xsr)
        throws XMLStreamException {
  FeatureMap fm = Factory.newFeatureMap();
  while(xsr.nextTag() == XMLStreamConstants.START_ELEMENT) {
    xsr.require(XMLStreamConstants.START_ELEMENT, null, "Feature");
    Object featureName = null;
    Object featureValue = null;
    while(xsr.nextTag() == XMLStreamConstants.START_ELEMENT) {
      if("Name".equals(xsr.getLocalName())) {
        featureName = readFeatureNameOrValue(xsr);
      }
      else if("Value".equals(xsr.getLocalName())) {
        featureValue = readFeatureNameOrValue(xsr);
      }
      else {
        throw new XMLStreamException("Feature element should contain "
                + "only Name and Value children", xsr.getLocation());
      }
    }
    fm.put(featureName, featureValue);
  }
  return fm;
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Test
public void testRootElementNamespace() {
    is = new java.io.ByteArrayInputStream(getXML().getBytes());
    try {
        XMLStreamReader sr = factory.createFilteredReader(factory.createXMLStreamReader(is), (StreamFilter) filter);

        while (sr.hasNext()) {
            int eventType = sr.next();
            if (eventType == XMLStreamConstants.START_ELEMENT) {
                if (sr.getLocalName().equals(rootElement)) {
                    Assert.assertTrue(sr.getNamespacePrefix(0).equals(prefixApple) && sr.getNamespaceURI(0).equals(namespaceURIApple));
                }
            }
        }
    } catch (Exception ex) {
        Assert.fail("Exception: " + ex.getMessage());
    }
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Override
public void accept(XMLStreamReader xr) {
	if((xr.getEventType() == XMLStreamConstants.START_ELEMENT) 
			&& xr.getLocalName().equals("cvParam")) {
		
		if (xr.getAttributeValue(null, "accession").equals("MS:1000511")) {
			this.currHeader.setMsLevel(Integer.valueOf(xr.getAttributeValue(null, "value")));
		} else if(xr.getAttributeValue(null, "accession").equals("MS:1000016")) {
			// normalize to seconds if unit is a minute
			double norm = xr.getAttributeValue(null, "unitAccession")
					.equals("UO:0000031") 
				? 60.0 
				: 1.0;
			this.currHeader.setScanStartTime(norm * Double.valueOf(xr.getAttributeValue(null, "value")));
		} else if(xr.getAttributeValue(null, "accession").equals("MS:1000744")) {
			this.currHeader.setSelectedIonMz(Double.valueOf(xr.getAttributeValue(null, "value")));
		} else if(xr.getAttributeValue(null, "accession").equals("MS:1000041")) {
			this.currHeader.setSelectedIonCharge(Integer.valueOf(xr.getAttributeValue(null, "value")));
		} else if(xr.getAttributeValue(null, "accession").equals("MS:1000042")) {
			this.currHeader.setSelectedIonIntensity(Double.valueOf(xr.getAttributeValue(null, "value")));
		}
	}
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Override
protected int pullNextEvent() {
    try {
        switch (in.next()) {
        case XMLStreamConstants.START_DOCUMENT:
        case XMLStreamConstants.START_ELEMENT:
            return START_NODE;
        case XMLStreamConstants.END_DOCUMENT:
        case XMLStreamConstants.END_ELEMENT:
            return END_NODE;
        case XMLStreamConstants.CHARACTERS:
            return TEXT;
        case XMLStreamConstants.COMMENT:
            return COMMENT;
        default:
            return OTHER;
        }
    } catch (final XMLStreamException e) {
        throw new StreamException(e);
    }
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
private Document toDom4jDocument(XMLEventReader staxEventReader, Origin origin) {
	STAXEventReader dom4jStaxEventReader = new STAXEventReader();
	try {
		// the dom4j converter class is touchy about comments (aka, comments make it implode)
		// so wrap the event stream in a filtering stream to filter out comment events
		staxEventReader = new FilteringXMLEventReader( staxEventReader ) {
			@Override
			protected XMLEvent filterEvent(XMLEvent event, boolean peek) {
				return event.getEventType() == XMLStreamConstants.COMMENT
						? null
						: event;
			}
		};

		return dom4jStaxEventReader.readDocument( staxEventReader );
	}
	catch (XMLStreamException e) {
		throw new InvalidMappingException( "Unable to read StAX source as dom4j Document for processing", origin, e );
	}
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public int nextTag() throws XMLStreamException {
    int tag = super.nextTag();
    if (tracing) {
        switch (tag) {
        case XMLStreamConstants.START_ELEMENT:
            System.err.println("[" + getLocalName());
            break;
        case XMLStreamConstants.END_ELEMENT:
            System.err.println(getLocalName() + "]");
            break;
        default:
            System.err.println((tagStrings.containsKey(tag))
                ? tagStrings.get(tag)
                : "Weird tag: " + tag);
            break;
        }
    }
    return tag;
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Test
public void testPITargetAndData() {
    try {
        XMLInputFactory xif = XMLInputFactory.newInstance();
        String PITarget = "soffice";
        String PIData = "WebservicesArchitecture";
        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<?" + PITarget + " " + PIData + "?>" + "<foo></foo>";
        // System.out.println("XML = " + xml) ;
        InputStream is = new java.io.ByteArrayInputStream(xml.getBytes());
        XMLStreamReader sr = xif.createXMLStreamReader(is);
        while (sr.hasNext()) {
            int eventType = sr.next();
            if (eventType == XMLStreamConstants.PROCESSING_INSTRUCTION) {
                String target = sr.getPITarget();
                String data = sr.getPIData();
                Assert.assertTrue(target.equals(PITarget) && data.equals(PIData));
            }
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * Parses the handler and role information and sets it
 * on the {@link WSBinding}.
 *
 * @return true if <handler-chains> element present in DD
 *         false otherwise.
 */
protected boolean setHandlersAndRoles(WSBinding binding, XMLStreamReader reader, QName serviceName, QName portName) {

    if (reader.getEventType() == XMLStreamConstants.END_ELEMENT ||
            !reader.getName().equals(HandlerChainsModel.QNAME_HANDLER_CHAINS)) {
        return false;
    }

    HandlerAnnotationInfo handlerInfo = HandlerChainsModel.parseHandlerFile(
            reader, classLoader, serviceName, portName, binding);

    binding.setHandlerChain(handlerInfo.getHandlers());
    if (binding instanceof SOAPBinding) {
        ((SOAPBinding) binding).setRoles(handlerInfo.getRoles());
    }

    // move past </handler-chains>
    XMLStreamReaderUtil.nextContent(reader);
    return true;
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Test
public void testNamespaceContext() {
    try {
        XMLInputFactory xif = XMLInputFactory.newInstance();
        xif.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
        InputStream is = new java.io.ByteArrayInputStream(getXML().getBytes());
        XMLStreamReader sr = xif.createXMLStreamReader(is);
        while (sr.hasNext()) {
            int eventType = sr.next();
            if (eventType == XMLStreamConstants.START_ELEMENT) {
                if (sr.getLocalName().equals(childElement)) {
                    NamespaceContext context = sr.getNamespaceContext();
                    Assert.assertTrue(context.getPrefix(namespaceURI).equals(prefix));
                }
            }
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * CR 6631264 / sjsxp Issue 45:
 * https://sjsxp.dev.java.net/issues/show_bug.cgi?id=45
 * XMLStreamReader.hasName() should return false for ENTITY_REFERENCE
 */
@Test
public void testHasNameOnEntityEvent() throws Exception {
    XMLInputFactory xif = XMLInputFactory.newInstance();
    xif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, false);
    XMLStreamReader r = xif.createXMLStreamReader(
            this.getClass().getResourceAsStream("ExternalDTD.xml"));
    while (r.next() != XMLStreamConstants.ENTITY_REFERENCE) {
        System.out.println("event type: " + r.getEventType());
        continue;
    }
    if (r.hasName()) {
        System.out.println("hasName returned true on ENTITY_REFERENCE event.");
    }
    Assert.assertFalse(r.hasName()); // fails
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * Creates a new {@link javax.xml.transform.Source} for the given
 * {@link XMLStreamReader}.
 *
 * The XMLStreamReader must be pointing at either a
 * {@link javax.xml.stream.XMLStreamConstants#START_DOCUMENT} or
 * {@link javax.xml.stream.XMLStreamConstants#START_ELEMENT} event.
 *
 * @param reader XMLStreamReader that will be exposed as a Source
 * @param eagerQuit if true, when the conversion is completed, leave the cursor to the last
 *                  event that was fired (such as end element)
 * @param inscope inscope Namespaces
 *                array of the even length of the form { prefix0, uri0, prefix1, uri1, ... }
 * @throws IllegalArgumentException iff the reader is null
 * @throws IllegalStateException iff the reader is not pointing at either a
 * START_DOCUMENT or START_ELEMENT event
 */
public StAXSource(XMLStreamReader reader, boolean eagerQuit, @NotNull String[] inscope) {
    if( reader == null )
        throw new IllegalArgumentException();
    this.staxReader = reader;

    int eventType = reader.getEventType();
    if (!(eventType == XMLStreamConstants.START_DOCUMENT)
        && !(eventType == XMLStreamConstants.START_ELEMENT)) {
        throw new IllegalStateException();
    }

    this.reader = new XMLStreamReaderToContentHandler(reader,repeater,eagerQuit,false,inscope);

    super.setXMLReader(pseudoParser);
    // pass a dummy InputSource. We don't care
    super.setInputSource(new InputSource());
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
@Test
public void testReadingNamespace() {
    is = new java.io.ByteArrayInputStream(getXML().getBytes());
    try {
        XMLStreamReader sr = factory.createFilteredReader(factory.createXMLStreamReader(is), (StreamFilter) filter);

        while (sr.hasNext()) {
            int eventType = sr.getEventType();
            if (eventType == XMLStreamConstants.START_ELEMENT) {
                if (sr.getLocalName().equals(rootElement)) {
                    Assert.assertTrue(sr.getNamespacePrefix(0).equals(prefixApple) && sr.getNamespaceURI(0).equals(namespaceURIApple));
                }
            }
            eventType = sr.next();
        }
    } catch (Exception ex) {
        Assert.fail("Exception: " + ex.getMessage());
    }
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
protected List getNotationDecls(){
    if(fEventType == XMLStreamConstants.DTD){
        if(fScanner.fDTDScanner == null) return null;
        DTDGrammar grammar = ((XMLDTDScannerImpl)(fScanner.fDTDScanner)).getGrammar();
        if(grammar == null) return null;
        List notations = grammar.getNotationDecls();

        Iterator it = notations.iterator();
        ArrayList list = new ArrayList();
        while(it.hasNext()){
            XMLNotationDecl ni = (XMLNotationDecl)it.next();
            if(ni!= null){
                list.add(new NotationDeclarationImpl(ni));
            }
        }
        return list;
    }
    return null;
}
 

import javax.xml.stream.XMLStreamConstants; //导入依赖的package包/类
/**
 * @bug 8152530
 * Verifies that StAXSource handles empty namespace properly. NPE was thrown
 * before the fix.
 * @throws Exception if the test fails
 */
@Test
public final void testStAXSourceWEmptyNS() throws Exception {
    String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
        + "<EntityList>\n"
        + "  <Entity xmlns=\"\">\n"
        + "  </Entity>\n"
        + "  <Entity xmlns=\"\">\n"
        + "  </Entity>\n"
        + "</EntityList> ";

    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader xsr = xif.createXMLStreamReader(new StringReader(xml));
    xsr.nextTag();
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer t = tf.newTransformer();
    while (xsr.nextTag() == XMLStreamConstants.START_ELEMENT && xsr.getLocalName().equals("Entity")) {
        StringWriter stringResult = new StringWriter();
        t.transform(new StAXSource(xsr), new StreamResult(stringResult));
        System.out.println("result: \n" + stringResult.toString());
    }
}