Java XMLReader.setErrorHandler方法代码示例

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
private static SAXParser getSAXParser(
    boolean validating,
    JspDocumentParser jspDocParser)
    throws Exception {

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);

    // Preserve xmlns attributes
    factory.setFeature(
        "http://xml.org/sax/features/namespace-prefixes",
        true);
    factory.setValidating(validating);
    //factory.setFeature(
    //    "http://xml.org/sax/features/validation",
    //    validating);
    
    // Configure the parser
    SAXParser saxParser = factory.newSAXParser();
    XMLReader xmlReader = saxParser.getXMLReader();
    xmlReader.setProperty(LEXICAL_HANDLER_PROPERTY, jspDocParser);
    xmlReader.setErrorHandler(jspDocParser);

    return saxParser;
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
@Override
protected List<FeedItem> buildItemList() throws SAXException, ParserConfigurationException, IOException {
    XMLReader reader = XMLUtil.createXMLReader( false, true );
    FeedHandler handler = new FeedHandler( getMaxItemCount() );
    reader.setContentHandler( handler );
    reader.setEntityResolver( org.openide.xml.EntityCatalog.getDefault() );
    reader.setErrorHandler( new ErrorCatcher() );
    reader.parse( findInputSource(new URL(url1)) );

    ArrayList<FeedItem> res = new ArrayList<FeedItem>( 2*getMaxItemCount() );
    res.addAll( handler.getItemList() );

    handler = new FeedHandler( getMaxItemCount() );
    reader.setContentHandler( handler );
    reader.parse( findInputSource(new URL(url2)) );

    res.addAll( handler.getItemList() );

    List<FeedItem> items = sortNodes( res );
    if( items.size() > getMaxItemCount() ) {
        items = items.subList( 0, getMaxItemCount() );
    }
    return items;
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
private static JDBCDriver readDriverFromFile(FileObject fo) throws IOException, MalformedURLException {
    Handler handler = new Handler();
    
    // parse the XM file
    try {
        XMLReader reader = XMLUtil.createXMLReader();
        InputSource is = new InputSource(fo.getInputStream());
        is.setSystemId(fo.toURL().toExternalForm());
        reader.setContentHandler(handler);
        reader.setErrorHandler(handler);
        reader.setEntityResolver(EntityCatalog.getDefault());

        reader.parse(is);
    } catch (SAXException ex) {
        throw new IOException(ex.getMessage());
    }
    
    // read the driver from the handler
    URL[] urls = new URL[handler.urls.size()];
    int j = 0;
    for (Iterator i = handler.urls.iterator(); i.hasNext(); j++) {
        urls[j] = new URL((String)i.next());
    }
    if (checkClassPathDrivers(handler.clazz, urls) == false) {
        return null;
    }
    
    if (handler.displayName == null) {
        handler.displayName = handler.name;
    }
    return JDBCDriver.create(handler.name, handler.displayName, handler.clazz, urls);
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
/**
 * The recognizer entry method taking an InputSource.
 * @param input InputSource to be parsed.
 * @throws java.io.IOException on I/O error.
 * @throws SAXException propagated exception thrown by a DocumentHandler.
 * @throws javax.xml.parsers.ParserConfigurationException a parser satisfining requested configuration can not be created.
 * @throws javax.xml.parsers.FactoryConfigurationRrror if the implementation can not be instantiated.
 *
 */
public void parse(final InputSource input) throws SAXException, ParserConfigurationException, IOException {
    if (used.getAndSet(true)) {
        throw new IllegalStateException("The LibraryDeclarationParser was already used, create a new instance");  //NOI18N
    }
    try {
        final XMLReader parser = XMLUtil.createXMLReader(false, true);
        parser.setContentHandler(this);
        parser.setErrorHandler(getDefaultErrorHandler());
        parser.setEntityResolver(this);
        parser.parse(input);
    } finally {
        //Recover recognizer internal state from exceptions to be reusable
        if (!context.empty()) {
            context.clear();
        }
        if (buffer.length() > 0) {
            buffer.delete(0, buffer.length());
        }
        expectedNS = null;
    }
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
private EntryAttributes loadAttributesFromXml(File entriesFile) throws IOException, SAXException {
    //Parse the entries file
    XMLReader saxReader = XMLUtil.createXMLReader();
    XmlEntriesHandler xmlEntriesHandler = new XmlEntriesHandler();
    saxReader.setContentHandler(xmlEntriesHandler);
    saxReader.setErrorHandler(xmlEntriesHandler);
    InputStream inputStream = new java.io.FileInputStream(entriesFile);

    try {
        saxReader.parse(new InputSource(inputStream));
    } catch (SAXException ex) {
        throw ex;
    } finally {
        inputStream.close();
    }
    return xmlEntriesHandler.getEntryAttributes();
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {
	XMLReader xr = XMLReaderFactory.createXMLReader();

	BugCollection bugCollection = new SortedBugCollection();
	Project project = new Project();

	SAXBugCollectionHandler handler = new SAXBugCollectionHandler(bugCollection, project);
	xr.setContentHandler(handler);
	xr.setErrorHandler(handler);

	// Parse each file provided on the
	// command line.
	for (int i = 0; i < argv.length; i++) {
		FileReader r = new FileReader(argv[i]);
		xr.parse(new InputSource(r));
	}
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
@Override
public Object instanceCreate() throws java.io.IOException, ClassNotFoundException {
    synchronized (this) {
        Object o = refConnection.get();
        if (o != null) {
            return o;
        }

        XMLDataObject obj = getHolder();
        if (obj == null) {
            return null;
        }
        FileObject connectionFO = obj.getPrimaryFile();
        Handler handler = new Handler(connectionFO.getNameExt());
        try {
            XMLReader reader = XMLUtil.createXMLReader();
            InputSource is = new InputSource(obj.getPrimaryFile().getInputStream());
            is.setSystemId(connectionFO.toURL().toExternalForm());
            reader.setContentHandler(handler);
            reader.setErrorHandler(handler);
            reader.setEntityResolver(EntityCatalog.getDefault());

            reader.parse(is);
        } catch (SAXException ex) {
            Exception x = ex.getException();
            LOGGER.log(Level.FINE, "Cannot read " + obj + ". Cause: " + ex.getLocalizedMessage(), ex);
            if (x instanceof java.io.IOException) {
                throw (IOException)x;
            } else {
                throw new java.io.IOException(ex.getMessage());
        }
        }

        DatabaseConnection inst = createDatabaseConnection(handler);
        refConnection = new WeakReference<>(inst);
        attachListener();
        return inst;
    }
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
private void doReadXML(InputStream in, Project project) throws IOException, DocumentException {

		checkInputStream(in);

		try {
			SAXBugCollectionHandler handler = new SAXBugCollectionHandler(this, project);

			// FIXME: for now, use dom4j's XML parser
			XMLReader xr = new org.dom4j.io.aelfred.SAXDriver();

			xr.setContentHandler(handler);
			xr.setErrorHandler(handler);

			Reader reader = new InputStreamReader(in);

			xr.parse(new InputSource(reader));
		} catch (SAXException e) {
			// FIXME: throw SAXException from method?
			throw new DocumentException("Parse error", e);
		}

		// Presumably, project is now up-to-date
		project.setModified(false);
	}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
/**
 * Error Handler to capture all error events to output file. Verifies the
 * output file is same as golden file.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testEHFatal() throws Exception {
    String outputFile = USER_DIR + "EHFatal.out";
    String goldFile = GOLDEN_DIR + "EHFatalGF.out";
    String xmlFile = XML_DIR + "invalid.xml";

    try(MyErrorHandler eHandler = new MyErrorHandler(outputFile);
            FileInputStream instream = new FileInputStream(xmlFile)) {
        SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
        XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setErrorHandler(eHandler);
        InputSource is = new InputSource(instream);
        xmlReader.parse(is);
        fail("Parse should throw SAXException");
    } catch (SAXException expected) {
        // This is expected.
    }
    // Need close the output file before we compare it with golden file.
    assertTrue(compareWithGold(goldFile, outputFile));
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
/**
 * Parse the content given {@link org.xml.sax.InputSource}
 * as XML using the specified
 * {@link org.xml.sax.helpers.DefaultHandler}.
 *
 * @param is The InputSource containing the content to be parsed.
 * @param dh The SAX DefaultHandler to use.
 *
 * @throws IllegalArgumentException If the <code>InputSource</code> object
 *   is <code>null</code>.
 * @throws IOException If any IO errors occur.
 * @throws SAXException If any SAX errors occur during processing.
 *
 * @see org.xml.sax.DocumentHandler
 */
public void parse(InputSource is, DefaultHandler dh)
    throws SAXException, IOException {
    if (is == null) {
        throw new IllegalArgumentException("InputSource cannot be null");
    }

    XMLReader reader = this.getXMLReader();
    if (dh != null) {
        reader.setContentHandler(dh);
        reader.setEntityResolver(dh);
        reader.setErrorHandler(dh);
        reader.setDTDHandler(dh);
    }
    reader.parse(is);
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
public static void load(ThemeNULL theme, InputStream in) throws IOException {
	SAXParserFactory spf = SAXParserFactory.newInstance();
	spf.setValidating(true);
	try {
		SAXParser parser = spf.newSAXParser();
		XMLReader reader = parser.getXMLReader();
		XmlHandler handler = new XmlHandler();
		handler.theme = theme;
		reader.setEntityResolver(handler);
		reader.setContentHandler(handler);
		reader.setDTDHandler(handler);
		reader.setErrorHandler(handler);
		InputSource is = new InputSource(in);
		is.setEncoding("UTF-8");
		reader.parse(is);
	} catch (/*SAX|ParserConfiguration*/Exception se) {
		se.printStackTrace();
		throw new IOException(se.toString());
	}
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
/**
 * Parses an xml config file and returns a Config object.
 *
 * @param xmlFile
 *        The xml config file which is passed by the user to annotation processing
 * @return
 *        A non null Config object
 */
private Config parseAndGetConfig (File xmlFile, ErrorHandler errorHandler, boolean disableSecureProcessing) throws SAXException, IOException {
    XMLReader reader;
    try {
        SAXParserFactory factory = XmlFactory.createParserFactory(disableSecureProcessing);
        reader = factory.newSAXParser().getXMLReader();
    } catch (ParserConfigurationException e) {
        // in practice this will never happen
        throw new Error(e);
    }
    NGCCRuntimeEx runtime = new NGCCRuntimeEx(errorHandler);

    // set up validator
    ValidatorHandler validator = configSchema.newValidator();
    validator.setErrorHandler(errorHandler);

    // the validator will receive events first, then the parser.
    reader.setContentHandler(new ForkContentHandler(validator,runtime));

    reader.setErrorHandler(errorHandler);
    Config config = new Config(runtime);
    runtime.setRootHandler(config);
    reader.parse(new InputSource(xmlFile.toURL().toExternalForm()));
    runtime.reset();

    return config;
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
public synchronized PaletteItemNode getInstance() {

            PaletteItemNode node = refNode.get();
            if (node != null)
                return node;

            FileObject file = xmlDataObject.getPrimaryFile();
            if (file.getSize() == 0L) // item file is empty
                return null;

            PaletteItemHandler handler = new PaletteItemHandler();
            try {
                XMLReader reader = getXMLReader();
                FileObject fo = xmlDataObject.getPrimaryFile();
                String urlString = fo.getURL().toExternalForm();
                InputSource is = new InputSource(fo.getInputStream());
                is.setSystemId(urlString);
                reader.setContentHandler(handler);
                reader.setErrorHandler(handler);
                reader.parse(is);
            }
            catch (SAXException saxe) {
                Logger.getLogger( getClass().getName() ).log( Level.INFO, null, saxe );
                return null;
            } 
            catch (IOException ioe) {
                Logger.getLogger( getClass().getName() ).log( Level.INFO, null, ioe );
                return null;
            }
            if( handler.isError() )
                return null;

            node = createPaletteItemNode(handler);
            refNode = new WeakReference<PaletteItemNode>(node);

            return node;
        }
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
/**
 * The recognizer entry method taking an InputSource.
 * @param input InputSource to be parsed.
 * @throws IOException on I/O error.
 * @throws SAXException propagated exception thrown by a DocumentHandler.
 */
public void parse(final InputSource input) throws SAXException, IOException {
    XMLReader parser = XMLUtil.createXMLReader(false, false); // fastest mode
    parser.setContentHandler(this);
    parser.setErrorHandler(this);
    parser.setEntityResolver(this);
    parser.parse(input);
}
 

import org.xml.sax.XMLReader; //导入方法依赖的package包/类
private void parse(InputSource is) throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    spf.setValidating(true);
    SAXParser parser = spf.newSAXParser();

    parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
    parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaSource", Bug4934208.class.getResourceAsStream("test.xsd"));

    XMLReader r = parser.getXMLReader();

    r.setErrorHandler(new DraconianErrorHandler());
    r.parse(is);
}