org.xml.sax.InputSource Java Examples

private boolean pushReader(ExternalEntity next)
        throws IOException, SAXException {

    InputEntity r = InputEntity.getInputEntity(dtdHandler, locale);
    InputSource s;
    try {
        s = next.getInputSource(resolver);
    } catch (IOException e) {
        String msg =
                "unable to open the external entity from :" + next.systemId;
        if (next.publicId != null)
            msg += " (public id:" + next.publicId + ")";

        SAXParseException spe = new SAXParseException(msg,
                getPublicId(), getSystemId(), getLineNumber(), getColumnNumber(), e);
        dtdHandler.fatalError(spe);
        throw e;
    }

    r.init(s, next.name, in, next.isPE);
    in = r;
    return true;
}
 

@Test(dataProvider = "illegalCharactersData")
public void test(int character) throws Exception {
    // Construct the XML document as a String
    int[] cps = new int[]{character};
    String txt = new String(cps, 0, cps.length);
    String inxml = "<topElement attTest=\'" + txt + "\'/>";
    String exceptionText = "NO EXCEPTION OBSERVED";
    String hexString = "0x" + Integer.toHexString(character);

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);
    dbf.setValidating(false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource isrc = new InputSource(new StringReader(inxml));

    try {
        db.parse(isrc);
    } catch (SAXException e) {
        exceptionText = e.toString();
    }
    System.out.println("Got Exception:" + exceptionText);
    assertTrue(exceptionText.contains("attribute \"attTest\""));
    assertTrue(exceptionText.contains("element is \"topElement\""));
    assertTrue(exceptionText.contains("Unicode: " + hexString));
}
 

public static <T> Object unmarshal(final Class<T> type, final InputStream in) throws ParserConfigurationException, SAXException, JAXBException {
    final InputSource inputSource = new InputSource(in);

    final SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    factory.setValidating(false);

    final JAXBContext ctx = JAXBContextFactory.newInstance(type);
    final Unmarshaller unmarshaller = ctx.createUnmarshaller();
    unmarshaller.setEventHandler(new ValidationEventHandler() {
        public boolean handleEvent(final ValidationEvent validationEvent) {
            System.out.println(validationEvent);
            return false;
        }
    });

    return unmarshaller.unmarshal(inputSource);
}
 

@Test
public void testGetChildElementsByTagNameNS() throws Exception
{
    String xml = "<root><a xmlns='urn:test'/><b/><n:a xmlns:n='urn:test'/><c/></root>";
    
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(new InputSource(new StringReader(xml)));
    
    Collection<Element> elements = DOMHelper.getChildElementsByTagNameNS(doc.getDocumentElement(), "urn:test", "a");
    
    Assert.assertNotNull(elements);
    Assert.assertEquals(2, elements.size());
    for (Element element : elements)
    {
        Assert.assertEquals("a", element.getLocalName());
    }
}
 

/**
 * Create and populate the entity as specified by its type and XML
 * definition.
 *
 * @param entityTypeCode The Entity Type code.
 * @param xml The XML of the associated entity.
 * @return The populated entity.
 * @throws ApsSystemException If errors detected while retrieving the
 * entity.
 */
protected IApsEntity createEntityFromXml(String entityTypeCode, String xml) throws ApsSystemException {
    try {
        IApsEntity entityPrototype = this.getEntityPrototype(entityTypeCode);
        SAXParserFactory parseFactory = SAXParserFactory.newInstance();
        SAXParser parser = parseFactory.newSAXParser();
        InputSource is = new InputSource(new StringReader(xml));
        EntityHandler handler = this.getEntityHandler();
        handler.initHandler(entityPrototype, this.getXmlAttributeRootElementName(), this.getCategoryManager());
        parser.parse(is, handler);
        return entityPrototype;
    } catch (ParserConfigurationException | SAXException | IOException t) {
        logger.error("Error detected while creating the entity. typecode: {} - xml: {}", entityTypeCode, xml, t);
        throw new ApsSystemException("Error detected while creating the entity", t);
    }
}
 

public Framework(final String name, final File bsFile) {
    super(name, null);
    try {
        final File pathf = bsFile.getCanonicalFile().getParentFile().getParentFile().getParentFile();
        path = pathf.getParentFile().getParentFile().getCanonicalPath();
    } catch (IOException x) {
        throw new RuntimeException(x);
    }
    binaries = findBinaries(path, name);

    pkg = ClassGenerator.JOBJC_PACKAGE + "." + name.toLowerCase();
    try {
        rootNode = (Node)XPATH.evaluate("signatures", new InputSource(bsFile.getAbsolutePath()), XPathConstants.NODE);
    } catch (final XPathExpressionException e) { throw new RuntimeException(e); }
    protocols = new ArrayList<Protocol>();
    categories = new ArrayList<Category>();
}
 

@Override
   public InputSource resolveEntity (
   			    String name,
   			    String publicId,
   			    String baseURI,
   			    String systemId)
throws SAXException, IOException {

	try {
		if (shouldLoadAsResource(systemId)) {
			log.debug("Loading entity '" + systemId + "' as resource");
			return resourceToInputSource(publicId, systemId);
		}
		else {
			return super.resolveEntity(publicId, systemId);
		}
	}
	catch (Exception e) {
		// not in spec but too bad
		throw new PluginException("Error resolving entity: " + systemId + ": " + e, e);
	}
}
 

public static Map<String, Object> extractCustomAttributes(final String xml) {
    final SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    spf.setValidating(false);
    try {
        final SAXParser saxParser = spf.newSAXParser();
        final XMLReader xmlReader = saxParser.getXMLReader();
        final CustomAttributeHandler handler = new CustomAttributeHandler();
        xmlReader.setContentHandler(handler);
        xmlReader.parse(new InputSource(new StringReader(xml)));
        return handler.getAttributes();
    } catch (final Exception e) {
    	log.error(e.getMessage(), e);
        return Collections.emptyMap();
    }
}
 

/**
 * Loads the document and updates build-time (latency) statistics
 */
public void loadDocument(String uri) {

    try {
        final long stamp = System.currentTimeMillis();
        _dom = (DOMEnhancedForDTM)_dtmManager.getDTM(
                         new SAXSource(_reader, new InputSource(uri)),
                         false, null, true, false);
        _dom.setDocumentURI(uri);

        // The build time can be used for statistics for a better
        // priority algorithm (currently round robin).
        final long thisTime = System.currentTimeMillis() - stamp;
        if (_buildTime > 0)
            _buildTime = (_buildTime + thisTime) >>> 1;
        else
            _buildTime = thisTime;
    }
    catch (Exception e) {
        _dom = null;
    }
}
 

@Test(dataProvider = "illegalCharactersData")
public void test(int character) throws Exception {
    // Construct the XML document as a String
    int[] cps = new int[]{character};
    String txt = new String(cps, 0, cps.length);
    String inxml = "<topElement attTest=\'" + txt + "\'/>";
    String exceptionText = "NO EXCEPTION OBSERVED";
    String hexString = "0x" + Integer.toHexString(character);

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);
    dbf.setValidating(false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource isrc = new InputSource(new StringReader(inxml));

    try {
        db.parse(isrc);
    } catch (SAXException e) {
        exceptionText = e.toString();
    }
    System.out.println("Got Exception:" + exceptionText);
    assertTrue(exceptionText.contains("attribute \"attTest\""));
    assertTrue(exceptionText.contains("element is \"topElement\""));
    assertTrue(exceptionText.contains("Unicode: " + hexString));
}
 

@Test
public void noNamespacePrefixes() throws Exception {
	Assume.assumeTrue(wwwSpringframeworkOrgIsAccessible());

	StringWriter stringWriter = new StringWriter();
	AbstractStaxHandler handler = createStaxHandler(new StreamResult(stringWriter));
	xmlReader.setContentHandler(handler);
	xmlReader.setProperty("http://xml.org/sax/properties/lexical-handler", handler);

	xmlReader.setFeature("http://xml.org/sax/features/namespaces", true);
	xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", false);

	xmlReader.parse(new InputSource(new StringReader(COMPLEX_XML)));

	assertThat(stringWriter.toString(), isSimilarTo(COMPLEX_XML).withNodeFilter(nodeFilter));
}
 

public static InputSource loadEffectivePom(
    File moduleFile, MavenContext context)
    throws IOException, InterruptedException {
  MavenExecutor exec = context.build(moduleFile);
  exec.evalEffectivePom(context);

  if (0 != exec.getExitCode()) {
    MavenLogger.LOG.warn(
        "Err {}  getting effective POM for {}\n\nMaven Console output >\n{}",
        exec.getExitCode(), moduleFile.getPath(), exec.getOut());
  }

  String effPom = exec.getEffPom();
  if (Strings.isNullOrEmpty(effPom)) {
    MavenLogger.LOG.warn(
        "Empty effective POM for {}\n\nMaven Console output >\n",
        moduleFile.getPath(), exec.getOut());
  }

  StringReader reader = new StringReader(effPom);
  return new InputSource(reader);
}
 

public boolean eval() throws BuildException {
    if (nullOrEmpty(fileName)) {
        throw new BuildException("No file set");
    }
    File file = new File(fileName);
    if (!file.exists() || file.isDirectory()) {
        throw new BuildException(
                "The specified file does not exist or is a directory");
    }
    if (nullOrEmpty(path)) {
        throw new BuildException("No XPath expression set");
    }
    XPath xpath = XPathFactory.newInstance().newXPath();
    InputSource inputSource = new InputSource(fileName);
    Boolean result = Boolean.FALSE;
    try {
        result = (Boolean) xpath.evaluate(path, inputSource,
                XPathConstants.BOOLEAN);
    } catch (XPathExpressionException e) {
        throw new BuildException("XPath expression fails", e);
    }
    return result.booleanValue();
}
 

public void testXSchema() throws Exception{
    File xsdFile = new File(test_Constants.TEST_RESOURCE_DIR + "Book.xsd");
    assertTrue("xsdFile " + xsdFile.getAbsolutePath() + " exists",
               xsdFile.exists());
            
    InputStream xmlFile = test_Validator.class.getResourceAsStream("/BookXsdGenerated.xml");
    assertNotNull("xmlFile exists", xmlFile);
    try {
        validator = new Validator(new InputSource(xmlFile));

        validator.useXMLSchema(true);
        assertTrue("Schema " + validator.toString(), validator.isValid());
    } finally {
        xmlFile.close();
    }
}
 

private static XMLInputSource saxToXMLInputSource(InputSource sis) {
    String publicId = sis.getPublicId();
    String systemId = sis.getSystemId();

    Reader charStream = sis.getCharacterStream();
    if (charStream != null) {
        return new XMLInputSource(publicId, systemId, null, charStream,
                null);
    }

    InputStream byteStream = sis.getByteStream();
    if (byteStream != null) {
        return new XMLInputSource(publicId, systemId, null, byteStream,
                sis.getEncoding());
    }

    return new XMLInputSource(publicId, systemId, null);
}
 

@Test
public void setFromXML() throws Exception {
	String[] expected = new String[] { "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>",
			"<SRE name=\"Hello\" mainClass=\"io.sarl.Boot\" libraryPath=\"" + this.path.toPortableString()
					+ "\" standalone=\"true\">",
			"<libraryLocation packageRootPath=\"\" sourcePath=\"\" systemLibraryPath=\"" + this.path.toPortableString()
					+ "\"/>",
			"<libraryLocation packageRootPath=\"\" sourcePath=\"\" systemLibraryPath=\"x.jar\"/>",
			"<libraryLocation packageRootPath=\"\" sourcePath=\"\" systemLibraryPath=\"y.jar\"/>",
			"<libraryLocation packageRootPath=\"\" sourcePath=\"\" systemLibraryPath=\"z.jar\"/>", "</SRE>", };
	StringBuilder b = new StringBuilder();
	for (String s : expected) {
		b.append(s);
		// b.append("\n");
	}
	try (ByteArrayInputStream bais = new ByteArrayInputStream(b.toString().getBytes())) {
		DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
		parser.setErrorHandler(new DefaultHandler());
		Element root = parser.parse(new InputSource(bais)).getDocumentElement();
		this.sre.setFromXML(root);
		assertTrue(this.sre.isStandalone());
		assertEquals(this.path, this.sre.getJarFile());
		assertEquals("Hello", this.sre.getName());
		assertEquals("io.sarl.Boot", this.sre.getMainClass());
	}
}
 

@Test
public void testTasksXML() throws JSONException, Exception {

  WebResource r = resource();
  Map<JobId, Job> jobsMap = appContext.getAllJobs();
  for (JobId id : jobsMap.keySet()) {
    String jobId = MRApps.toString(id);
    ClientResponse response = r.path("ws").path("v1").path("history")
        .path("mapreduce").path("jobs").path(jobId).path("tasks")
        .accept(MediaType.APPLICATION_XML).get(ClientResponse.class);
    assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType());
    String xml = response.getEntity(String.class);
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource is = new InputSource();
    is.setCharacterStream(new StringReader(xml));
    Document dom = db.parse(is);
    NodeList tasks = dom.getElementsByTagName("tasks");
    assertEquals("incorrect number of elements", 1, tasks.getLength());
    NodeList task = dom.getElementsByTagName("task");
    verifyHsTaskXML(task, jobsMap.get(id));
  }
}
 

@Override
protected Object unmarshalSaxReader(XMLReader xmlReader, InputSource inputSource)
		throws XmlMappingException, IOException {

	UnmarshalHandler unmarshalHandler = createUnmarshaller().createHandler();
	try {
		ContentHandler contentHandler = Unmarshaller.getContentHandler(unmarshalHandler);
		xmlReader.setContentHandler(contentHandler);
		xmlReader.parse(inputSource);
		return unmarshalHandler.getObject();
	}
	catch (SAXException ex) {
		throw new UnmarshallingFailureException("SAX reader exception", ex);
	}
}
 

/**
 * 判断给定字符串是否符合XML格式
 */
public static boolean isValidXml(String xml) {
	try {
		StringReader reader = new StringReader(xml);
		DocumentBuilder db = DocumentBuilderFactory.newInstance()
				.newDocumentBuilder();
		db.parse(new InputSource(reader));
	} catch (Exception e) {
		return false;
	}
	return true;
}
 

/**
 * Parses a RELAX NG grammar into an annotated grammar.
 */
private Model loadRELAXNG() throws SAXException {

    // build DOM forest
    final DOMForest forest = buildDOMForest( new RELAXNGInternalizationLogic() );

    // use JAXP masquerading to validate the input document.
    // DOMForest -> ExtensionBindingChecker -> RNGOM

    XMLReaderCreator xrc = new XMLReaderCreator() {
        public XMLReader createXMLReader() {

            // foreset parser cannot change the receivers while it's working,
            // so we need to have one XMLFilter that works as a buffer
            XMLFilter buffer = new XMLFilterImpl() {
                @Override
                public void parse(InputSource source) throws IOException, SAXException {
                    forest.createParser().parse( source, this, this, this );
                }
            };

            XMLFilter f = new ExtensionBindingChecker(Const.RELAXNG_URI,opt,errorReceiver);
            f.setParent(buffer);

            f.setEntityResolver(opt.entityResolver);

            return f;
        }
    };

    Parseable p = new SAXParseable( opt.getGrammars()[0], errorReceiver, xrc );

    return loadRELAXNG(p);

}
 

/**
 * Retrieves the properties and description of the GatewayDevice.
 * <p/>
 * Connects to the device's {@link #location} and parses the response
 * using a {@link UPnPGatewayDeviceHandler} to populate the fields of this
 * class
 *
 * @throws SAXException if an error occurs while parsing the request
 * @throws IOException  on communication errors
 * @see hu.openig.net.UPnPGatewayDeviceHandler
 */
public void loadDescription() throws SAXException, IOException {

    URLConnection urlConn = new URL(getLocation()).openConnection();
    urlConn.setReadTimeout(HTTP_RECEIVE_TIMEOUT);

    XMLReader parser = XMLReaderFactory.createXMLReader();
    parser.setContentHandler(new UPnPGatewayDeviceHandler(this));
    parser.parse(new InputSource(urlConn.getInputStream()));


    /* fix urls */
    String ipConDescURL;
    if (urlBase != null && urlBase.trim().length() > 0) {
        ipConDescURL = urlBase;
    } else {
        ipConDescURL = location;
    }

    int lastSlashIndex = ipConDescURL.indexOf('/', 7);
    if (lastSlashIndex > 0) {
        ipConDescURL = ipConDescURL.substring(0, lastSlashIndex);
    }


    sCPDURL = copyOrCatUrl(ipConDescURL, sCPDURL);
    controlURL = copyOrCatUrl(ipConDescURL, controlURL);
    controlURLCIF = copyOrCatUrl(ipConDescURL, controlURLCIF);
    presentationURL = copyOrCatUrl(ipConDescURL, presentationURL);
}
 

/**
 * Get a particular element in a test XML document.
 * Pass in a well-formed XML document and an element name to search for.
 * Must be exactly one such.
 */
public static Element createElementInDocument(String xml, String elementName, String elementNamespace) throws Exception {
    Document doc = XMLUtil.parse(new InputSource(new StringReader(xml)), false, true, null, null);
    NodeList nl = doc.getElementsByTagNameNS(elementNamespace, elementName);
    if (nl.getLength() != 1) {
        throw new IllegalArgumentException("Zero or more than one <" + elementName + ">s in \"" + xml + "\"");
    }
    return (Element)nl.item(0);
}
 

private static InputSource streamSourceToInputSource( StreamSource ss ) {
    InputSource is = new InputSource();
    is.setSystemId( ss.getSystemId() );
    is.setByteStream( ss.getInputStream() );
    is.setCharacterStream( ss.getReader() );

    return is;
}
 

private InputSource absolutize(InputSource is) {
    // absolutize all the system IDs in the input,
    // so that we can map system IDs to DOM trees.
    try {
        URL baseURL = new File(".").getCanonicalFile().toURL();
        is.setSystemId(new URL(baseURL, is.getSystemId()).toExternalForm());
    } catch (IOException e) {
        // ignore
    }
    return is;
}
 

@Test
public void readSAXSource() throws Exception {
	MockHttpInputMessage inputMessage = new MockHttpInputMessage(BODY.getBytes("UTF-8"));
	inputMessage.getHeaders().setContentType(new MediaType("application", "xml"));
	SAXSource result = (SAXSource) converter.read(SAXSource.class, inputMessage);
	InputSource inputSource = result.getInputSource();
	String s = FileCopyUtils.copyToString(new InputStreamReader(inputSource.getByteStream()));
	assertThat("Invalid result", s, isSimilarTo(BODY));
}
 

public static ArrayList<LogEvent> parse(Reader reader, boolean cleanup) throws Exception {
    // Create the XML input factory
    SAXParserFactory factory = SAXParserFactory.newInstance();

    // Create the XML LogEvent reader
    SAXParser p = factory.newSAXParser();

    if (cleanup) {
        // some versions of the log have slightly malformed XML, so clean it
        // up before passing it to SAX
        reader = new LogCleanupReader(reader);
    }

    LogParser log = new LogParser();
    try {
        p.parse(new InputSource(reader), log);
    } catch (Throwable th) {
        th.printStackTrace();
        // Carry on with what we've got...
    }

    // Associate compilations with their NMethods
    for (NMethod nm : log.nmethods.values()) {
        Compilation c = log.compiles.get(nm.getId());
        nm.setCompilation(c);
        // Native wrappers for methods don't have a compilation
        if (c != null) {
            c.setNMethod(nm);
        }
    }

    // Initially we want the LogEvent log sorted by timestamp
    Collections.sort(log.events, sortByStart);

    return log.events;
}
 

public InputSource getInputSource(EntityResolver r)
        throws IOException, SAXException {

    InputSource retval;

    retval = r.resolveEntity(publicId, systemId);
    // SAX sez if null is returned, use the URI directly
    if (retval == null)
        retval = Resolver.createInputSource(new URL(systemId), false);
    return retval;
}
 

public void parse(String inLine) throws SAXException, IOException {
    userid = "";
    password = "";
    commandText = "";
    contents.reset();

    StringReader sr = new StringReader(inLine);
    parser.parse(new InputSource(sr), this);
}
 

@Override
@NonNull
public synchronized RemotePlatform instanceCreate() throws IOException, ClassNotFoundException {
    RemotePlatform remotePlatform = platformRef == null ? null : platformRef.get();
    if (remotePlatform == null) {
        final SAXHandler handler = new SAXHandler();
        try (InputStream in = store.getPrimaryFile().getInputStream()) {
            final XMLReader reader = XMLUtil.createXMLReader();
            InputSource is = new InputSource(in);
            is.setSystemId(store.getPrimaryFile().toURL().toExternalForm());
            reader.setContentHandler(handler);
            reader.setErrorHandler(handler);
            reader.setEntityResolver(handler);
            reader.parse(is);
        } catch (SAXException ex) {
            final Exception x = ex.getException();
            if (x instanceof java.io.IOException) {
                throw (IOException)x;
            } else {
                throw new java.io.IOException(ex);
            }
        }
        remotePlatform = RemotePlatform.create(
                handler.name,
                handler.properties,
                handler.sysProperties);
        remotePlatform.addPropertyChangeListener(this);
        platformRef = new WeakReference<>(remotePlatform);
    }
    return remotePlatform;
}
 

private Element getDocument(String xml) {
    Reader xmlReader = new StringReader("<model>" + xml + "</model>");
    Document doc;
    try {
        doc = XmlHelper.getDocumentBuilder().parse(new InputSource(xmlReader));
    } catch (Exception e) {
        throw new RuntimeException();
    }
    return doc.getDocumentElement();
}