Examples with NamespaceContext org.apache.xerces.xni.NamespaceContext used on opensource projects

Example 1 with NamespaceContext

use of org.apache.xerces.xni.NamespaceContext in project webtools.sourceediting by eclipse.

the class XMLValidator method createXMLReader.

/**
 * Create an XML Reader.
 *
 * @return The newly created XML reader or null if unsuccessful.
 * @throws Exception
 */
protected XMLReader createXMLReader(final XMLValidationInfo valinfo, XMLEntityResolver entityResolver) throws Exception {
    XMLReader reader = null;
    // move to Xerces-2... add the contextClassLoader stuff
    ClassLoader prevClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        MyStandardParserConfiguration configuration = new MyStandardParserConfiguration(valinfo);
        reader = new org.apache.xerces.parsers.SAXParser(configuration) {

            private XMLLocator locator = null;

            /* (non-Javadoc)
         * @see org.apache.xerces.parsers.AbstractSAXParser#startDocument(org.apache.xerces.xni.XMLLocator, java.lang.String, org.apache.xerces.xni.NamespaceContext, org.apache.xerces.xni.Augmentations)
         */
            public void startDocument(org.apache.xerces.xni.XMLLocator theLocator, java.lang.String encoding, NamespaceContext nscontext, org.apache.xerces.xni.Augmentations augs) {
                locator = theLocator;
                valinfo.setXMLLocator(theLocator);
                super.startDocument(theLocator, encoding, nscontext, augs);
            }

            /* (non-Javadoc)
         * @see org.apache.xerces.parsers.AbstractSAXParser#startElement(org.apache.xerces.xni.QName, org.apache.xerces.xni.XMLAttributes, org.apache.xerces.xni.Augmentations)
         */
            public void startElement(QName element, XMLAttributes attributes, Augmentations augs) throws XNIException {
                valinfo.getStartElementLocations().push(new LocationCoordinate(locator.getLineNumber(), locator.getColumnNumber()));
                super.startElement(element, attributes, augs);
            }

            /* (non-Javadoc)
		 * @see org.apache.xerces.parsers.AbstractSAXParser#endElement(org.apache.xerces.xni.QName, org.apache.xerces.xni.Augmentations)
		 */
            public void endElement(QName element, Augmentations augs) throws XNIException {
                super.endElement(element, augs);
                valinfo.getStartElementLocations().pop();
            }
        };
        // $NON-NLS-1$
        reader.setFeature("http://apache.org/xml/features/continue-after-fatal-error", false);
        // $NON-NLS-1$
        reader.setFeature("http://xml.org/sax/features/namespace-prefixes", valinfo.isNamespaceEncountered());
        // $NON-NLS-1$
        reader.setFeature("http://xml.org/sax/features/namespaces", valinfo.isNamespaceEncountered());
        reader.setContentHandler(new DefaultHandler() {

            public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
                valinfo.getErrorCustomizationManager().startElement(uri, localName);
            }

            public void endElement(String uri, String localName, String qName) throws SAXException {
                valinfo.getErrorCustomizationManager().endElement(uri, localName);
            }
        });
        // MH make sure validation works even when a customer entityResolver is note set (i.e. via setURIResolver())
        if (entityResolver != null) {
            // $NON-NLS-1$
            reader.setProperty("http://apache.org/xml/properties/internal/entity-resolver", entityResolver);
        }
        // $NON-NLS-1$
        reader.setProperty("http://xml.org/sax/properties/declaration-handler", new MyDeclHandler());
    } catch (Exception e) {
        Logger.logException(e);
    // e.printStackTrace();
    } finally {
        Thread.currentThread().setContextClassLoader(prevClassLoader);
    }
    return reader;
}

Example 2 with NamespaceContext

use of org.apache.xerces.xni.NamespaceContext in project ofbiz-framework by apache.

the class UtilXml method readXmlDocument.

public static Document readXmlDocument(InputStream is, boolean validate, String docDescription, boolean withPosition) throws SAXException, ParserConfigurationException, java.io.IOException {
    if (!withPosition) {
        return readXmlDocument(is, validate, docDescription);
    }
    if (is == null) {
        Debug.logWarning("[UtilXml.readXmlDocument] InputStream was null, doing nothing", module);
        return null;
    }
    long startTime = System.currentTimeMillis();
    Document document = null;
    DOMParser parser = new DOMParser() {

        private XMLLocator locator = null;

        private void setLineColumn(Node node) {
            if (locator == null) {
                throw new java.lang.IllegalStateException("XMLLocator is null");
            }
            if (node.getUserData("startLine") != null) {
                return;
            }
            node.setUserData("systemId", locator.getLiteralSystemId(), null);
            node.setUserData("startLine", locator.getLineNumber(), null);
            node.setUserData("startColumn", locator.getColumnNumber(), null);
        }

        private void setLineColumn() {
            try {
                Node node = (Node) getProperty("http://apache.org/xml/properties/dom/current-element-node");
                if (node != null) {
                    setLineColumn(node);
                }
            } catch (SAXException ex) {
                Debug.logWarning(ex, module);
            }
        }

        private void setLastChildLineColumn() {
            try {
                Node node = (Node) getProperty("http://apache.org/xml/properties/dom/current-element-node");
                if (node != null) {
                    setLineColumn(node.getLastChild());
                }
            } catch (SAXException ex) {
                Debug.logWarning(ex, module);
            }
        }

        @Override
        public void startGeneralEntity(String name, XMLResourceIdentifier identifier, String encoding, Augmentations augs) throws XNIException {
            super.startGeneralEntity(name, identifier, encoding, augs);
            setLineColumn();
        }

        @Override
        public void comment(XMLString text, Augmentations augs) throws XNIException {
            super.comment(text, augs);
            setLastChildLineColumn();
        }

        @Override
        public void processingInstruction(String target, XMLString data, Augmentations augs) throws XNIException {
            super.processingInstruction(target, data, augs);
            setLastChildLineColumn();
        }

        @Override
        public void startDocument(XMLLocator locator, String encoding, NamespaceContext namespaceContext, Augmentations augs) throws XNIException {
            super.startDocument(locator, encoding, namespaceContext, augs);
            this.locator = locator;
            setLineColumn();
        }

        @Override
        public void doctypeDecl(String rootElement, String publicId, String systemId, Augmentations augs) throws XNIException {
            super.doctypeDecl(rootElement, publicId, systemId, augs);
        }

        @Override
        public void startElement(QName elementQName, XMLAttributes attrList, Augmentations augs) throws XNIException {
            super.startElement(elementQName, attrList, augs);
            setLineColumn();
        }

        @Override
        public void characters(XMLString text, Augmentations augs) throws XNIException {
            super.characters(text, augs);
            setLastChildLineColumn();
        }

        @Override
        public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException {
            super.ignorableWhitespace(text, augs);
            setLastChildLineColumn();
        }
    };
    parser.setFeature("http://xml.org/sax/features/namespaces", true);
    parser.setFeature("http://xml.org/sax/features/validation", validate);
    parser.setFeature("http://apache.org/xml/features/validation/schema", validate);
    parser.setFeature("http://apache.org/xml/features/dom/defer-node-expansion", false);
    // with a SchemaUrl, a URL object
    if (validate) {
        LocalResolver lr = new LocalResolver(new DefaultHandler());
        ErrorHandler eh = new LocalErrorHandler(docDescription, lr);
        parser.setEntityResolver(lr);
        parser.setErrorHandler(eh);
    }
    InputSource inputSource = new InputSource(is);
    inputSource.setSystemId(docDescription);
    parser.parse(inputSource);
    document = parser.getDocument();
    double totalSeconds = (System.currentTimeMillis() - startTime) / 1000.0;
    if (Debug.verboseOn()) {
        Debug.logVerbose("XML Read " + totalSeconds + "s: " + docDescription, module);
    }
    return document;
}