Java XMLInputFactory类代码示例

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
private void testGetAttributeValueWithNs(String nameSpace, String attrName, Consumer<String> checker) throws Exception {
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader xsr = xif.createXMLStreamReader(new FileInputStream(testFile));

    while (xsr.hasNext()) {
        xsr.next();
        if (xsr.isStartElement()) {
            String v;
            v = xsr.getAttributeValue(nameSpace, attrName);
            checker.accept(v);
        }
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testStartElement() {
    try {
        XMLInputFactory xif = XMLInputFactory.newInstance();
        // File file = new File("./tests/XMLStreamReader/sgml.xml");
        // FileInputStream inputStream = new FileInputStream(file);
        XMLStreamReader xsr = xif.createXMLStreamReader(this.getClass().getResourceAsStream("sgml.xml"));

        xsr.getName();
    } catch (IllegalStateException ise) {
        // expected
        System.out.println(ise.getMessage());
    } catch (Exception e) {
        e.printStackTrace();
        Assert.fail("Exception occured: " + e.getMessage());
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
/**
 * Closes the current open {@link XMLStreamReader} and creates a new one which starts the
 * reading process at the first row. It is assumed the the XLSX content and operator
 * configuration remain the same.
 *
 * @param factory
 *            the {@link XMLInputFactory} that should be used to open the
 *            {@link XMLStreamReader}.
 *
 * @throws IOException
 *             if an I/O error has occurred
 * @throws XMLStreamException
 *             if there are errors freeing associated XML reader resources or creating a new XML
 *             reader
 */
void reset(XMLInputFactory xmlFactory) throws IOException, XMLStreamException {

	// close open file and reader object
	close();

	// create new file and stream reader objects
	xlsxZipFile = new ZipFile(xlsxFile);
	ZipEntry workbookZipEntry = xlsxZipFile.getEntry(workbookZipEntryPath);
	if (workbookZipEntry == null) {
		throw new FileNotFoundException(
				"XLSX file is malformed. Reason: Selected workbook is missing in XLSX file. Path: "
						+ workbookZipEntryPath);
	}
	InputStream inputStream = xlsxZipFile.getInputStream(workbookZipEntry);
	reader = xmlFactory.createXMLStreamReader(new InputStreamReader(inputStream, encoding));

	// reset other variables
	currentRowIndex = -1;
	parsedRowIndex = -1;
	currentRowContent = null;
	nextRowWithContent = null;
	hasMoreContent = true;
	Arrays.fill(emptyColumn, true);
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testInconsistentGetPrefixBehaviorWhenNoPrefix() throws Exception {
    String xml = "<root><child xmlns='foo'/><anotherchild/></root>";

    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLStreamReader r = factory.createXMLStreamReader(new StringReader(xml));
    r.require(XMLStreamReader.START_DOCUMENT, null, null);
    r.next();
    r.require(XMLStreamReader.START_ELEMENT, null, "root");
    Assert.assertEquals(r.getPrefix(), "", "prefix should be empty string");
    r.next();
    r.require(XMLStreamReader.START_ELEMENT, null, "child");
    r.next();
    r.next();
    r.require(XMLStreamReader.START_ELEMENT, null, "anotherchild");
    Assert.assertEquals(r.getPrefix(), "", "prefix should be empty string");
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
/**
 * Verifies that after switching to a different XML Version (1.1), the parser
 * is initialized properly (the listener was not registered in this case).
 *
 * @param path the path to XML source
 * @throws Exception
 */
@Test(dataProvider = "getPaths")
public void testSwitchXMLVersions(String path) throws Exception {
    XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
    xmlInputFactory.setProperty("javax.xml.stream.isCoalescing", true);
    XMLStreamReader xmlStreamReader = xmlInputFactory.createXMLStreamReader(
            this.getClass().getResourceAsStream(path));

    while (xmlStreamReader.hasNext()) {
        int event = xmlStreamReader.next();
        if (event == XMLStreamConstants.START_ELEMENT) {
            if (xmlStreamReader.getLocalName().equals("body")) {
                String elementText = xmlStreamReader.getElementText();
                Assert.assertTrue(!elementText.contains("</body>"),
                        "Fail: elementText contains </body>");
            }
        }
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testAttributeCountNoNS() {
    XMLInputFactory ifac = XMLInputFactory.newInstance();

    try {
        // Turn off NS awareness to count xmlns as attributes
        ifac.setProperty("javax.xml.stream.isNamespaceAware", Boolean.FALSE);

        XMLStreamReader re = ifac.createXMLStreamReader(getClass().getResource(INPUT_FILE1).toExternalForm(),
                this.getClass().getResourceAsStream(INPUT_FILE1));
        while (re.hasNext()) {
            int event = re.next();
            if (event == XMLStreamConstants.START_ELEMENT) {
                // System.out.println("#attrs = " + re.getAttributeCount());
                Assert.assertTrue(re.getAttributeCount() == 3);
            }
        }
        re.close();
    } catch (Exception e) {
        e.printStackTrace();
        Assert.fail("Exception occured: " + e.getMessage());
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
/**
 * @return True if setting succeeded, and property supposedly was
 *         succesfully set to the value specified; false if there was a
 *         problem.
 */
protected static boolean setNamespaceAware(XMLInputFactory f, boolean state) throws XMLStreamException {
    try {
        f.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, state ? Boolean.TRUE : Boolean.FALSE);

        /*
         * 07-Sep-2005, TSa: Let's not assert, but instead let's see if it
         * sticks. Some implementations might choose to silently ignore
         * setting, at least for 'false'?
         */
        return (isNamespaceAware(f) == state);
    } catch (IllegalArgumentException e) {
        /*
         * Let's assume, then, that the property (or specific value for it)
         * is NOT supported...
         */
        return false;
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testXml() throws IOException, XMLStreamException {
    String xml = "<?xml version=\"1.0\" ?><index name=\"underovervoltage\"><vx>0.5</vx></index>";
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    UnderOverVoltageSecurityIndex index;
    try (Reader reader = new StringReader(xml)) {
        XMLStreamReader xmlReader = xmlif.createXMLStreamReader(reader);
        try {
            index = UnderOverVoltageSecurityIndex.fromXml("c1", xmlReader);
        } finally {
            xmlReader.close();
        }
    }
    assertTrue(index.getIndexValue() == 0.5d);
    assertEquals(xml, index.toXml());
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testXml() throws IOException, XMLStreamException {
    String xml = "<?xml version=\"1.0\" ?><index name=\"smallsignal\"><matrix name=\"gmi\"><m><r>0.5</r></m></matrix><matrix name=\"ami\"><m><r>1.0 2.0</r></m></matrix><matrix name=\"smi\"><m><r>3.0 4.0</r><r>5.0 6.0</r></m></matrix></index>";
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    SmallSignalSecurityIndex index;
    try (Reader reader = new StringReader(xml)) {
        XMLStreamReader xmlReader = xmlif.createXMLStreamReader(reader);
        try {
            index = SmallSignalSecurityIndex.fromXml("c1", xmlReader);
        } finally {
            xmlReader.close();
        }
    }
    assertTrue(index.getGmi() == 0.5d);
    assertTrue(Arrays.equals(index.getAmi(), new double[] {1, 2}));
    assertTrue(Arrays.deepEquals(index.getSmi(), new double[][] {new double[] {3, 4}, new double[] {5, 6}}));
    assertEquals(xml, index.toXml());
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testXml() throws IOException, XMLStreamException {
    String xml = "<?xml version=\"1.0\" ?><index name=\"tso-undervoltage\"><computation-succeed>true</computation-succeed><undervoltage-count>1</undervoltage-count></index>";
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    TsoUndervoltageSecurityIndex index;
    try (Reader reader = new StringReader(xml)) {
        XMLStreamReader xmlReader = xmlif.createXMLStreamReader(reader);
        try {
            index = TsoUndervoltageSecurityIndex.fromXml("c1", xmlReader);
        } finally {
            xmlReader.close();
        }
    }
    assertTrue(index.getUndervoltageCount() == 1);
    assertEquals(xml, index.toXml());
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testXml() throws IOException, XMLStreamException {
    String xml = "<?xml version=\"1.0\" ?><index name=\"tso-synchro-loss\"><synchro-loss-count>1</synchro-loss-count></index>";
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    TsoSynchroLossSecurityIndex index;
    try (Reader reader = new StringReader(xml)) {
        XMLStreamReader xmlReader = xmlif.createXMLStreamReader(reader);
        try {
            index = TsoSynchroLossSecurityIndex.fromXml("c1", xmlReader);
        } finally {
            xmlReader.close();
        }
    }
    assertTrue(index.getSynchroLossCount() == 1);
    assertEquals(xml, index.toXml());
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testXml() throws IOException, XMLStreamException {
    String xml = "<?xml version=\"1.0\" ?><index name=\"overload\"><fx>0.5</fx></index>";
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    OverloadSecurityIndex index;
    try (Reader reader = new StringReader(xml)) {
        XMLStreamReader xmlReader = xmlif.createXMLStreamReader(reader);
        try {
            index = OverloadSecurityIndex.fromXml("c1", xmlReader);
        } finally {
            xmlReader.close();
        }
    }
    assertTrue(index.getIndexValue() == 0.5d);
    assertEquals(xml, index.toXml());
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
@Test
public void testChildElementNamespace() {
    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)) {
                    QName qname = sr.getName();
                    Assert.assertTrue(qname.getPrefix().equals(prefix) && qname.getNamespaceURI().equals(namespaceURI)
                            && qname.getLocalPart().equals(childElement));
                }
            }
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
/**
 * 默认转换将指定的xml转化为
* 方法描述
* @param inputStream
* @param fileName
* @return
* @throws JAXBException
* @throws XMLStreamException
* @创建日期 2016年9月16日
*/
public Object baseParseXmlToBean(String fileName) throws JAXBException, XMLStreamException {
    // 搜索当前转化的文件
    InputStream inputStream = XmlProcessBase.class.getResourceAsStream(fileName);

    // 如果能够搜索到文件
    if (inputStream != null) {
        // 进行文件反序列化信息
        XMLInputFactory xif = XMLInputFactory.newFactory();
        xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
        XMLStreamReader xmlRead = xif.createXMLStreamReader(new StreamSource(inputStream));

        return unmarshaller.unmarshal(xmlRead);
    }

    return null;
}
 

import javax.xml.stream.XMLInputFactory; //导入依赖的package包/类
private Source readStAXSource(InputStream body) {
	try {
		XMLInputFactory inputFactory = XMLInputFactory.newFactory();
		inputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, isProcessExternalEntities());
		if (!isProcessExternalEntities()) {
			inputFactory.setXMLResolver(NO_OP_XML_RESOLVER);
		}
		XMLStreamReader streamReader = inputFactory.createXMLStreamReader(body);
		return new StAXSource(streamReader);
	}
	catch (XMLStreamException ex) {
		throw new HttpMessageNotReadableException("Could not parse document: " + ex.getMessage(), ex);
	}
}