Examples with Locator org.xml.sax.Locator used on opensource projects

Example 6 with Locator

use of org.xml.sax.Locator in project camel by apache.

the class XmlLineNumberParser method parseXml.

/**
     * Parses the XML.
     *
     * @param is the XML content as an input stream
     * @param rootNames one or more root names that is used as baseline for beginning the parsing, for example camelContext to start parsing
     *                  when Camel is discovered. Multiple names can be defined separated by comma
     * @param forceNamespace an optional namespace to force assign to each node. This may be needed for JAXB unmarshalling from XML -> POJO.
     * @return the DOM model
     * @throws Exception is thrown if error parsing
     */
public static Document parseXml(final InputStream is, final String rootNames, final String forceNamespace) throws Exception {
    final Document doc;
    SAXParser parser;
    final SAXParserFactory factory = SAXParserFactory.newInstance();
    parser = factory.newSAXParser();
    final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    // turn off validator and loading external dtd
    dbf.setValidating(false);
    dbf.setNamespaceAware(true);
    dbf.setFeature("http://xml.org/sax/features/namespaces", false);
    dbf.setFeature("http://xml.org/sax/features/validation", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
    dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
    final DocumentBuilder docBuilder = dbf.newDocumentBuilder();
    doc = docBuilder.newDocument();
    final Stack<Element> elementStack = new Stack<Element>();
    final StringBuilder textBuffer = new StringBuilder();
    final DefaultHandler handler = new DefaultHandler() {

        private Locator locator;

        private boolean found;

        @Override
        public void setDocumentLocator(final Locator locator) {
            // Save the locator, so that it can be used later for line tracking when traversing nodes.
            this.locator = locator;
            this.found = rootNames == null;
        }

        private boolean isRootName(String qName) {
            for (String root : rootNames.split(",")) {
                if (qName.equals(root)) {
                    return true;
                }
            }
            return false;
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) throws SAXException {
            addTextIfNeeded();
            if (rootNames != null && !found) {
                if (isRootName(qName)) {
                    found = true;
                }
            }
            if (found) {
                Element el;
                if (forceNamespace != null) {
                    el = doc.createElementNS(forceNamespace, qName);
                } else {
                    el = doc.createElement(qName);
                }
                for (int i = 0; i < attributes.getLength(); i++) {
                    el.setAttribute(attributes.getQName(i), attributes.getValue(i));
                }
                el.setUserData(LINE_NUMBER, String.valueOf(this.locator.getLineNumber()), null);
                el.setUserData(COLUMN_NUMBER, String.valueOf(this.locator.getColumnNumber()), null);
                elementStack.push(el);
            }
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {
            if (!found) {
                return;
            }
            addTextIfNeeded();
            final Element closedEl = elementStack.isEmpty() ? null : elementStack.pop();
            if (closedEl != null) {
                if (elementStack.isEmpty()) {
                    // Is this the root element?
                    doc.appendChild(closedEl);
                } else {
                    final Element parentEl = elementStack.peek();
                    parentEl.appendChild(closedEl);
                }
                closedEl.setUserData(LINE_NUMBER_END, String.valueOf(this.locator.getLineNumber()), null);
                closedEl.setUserData(COLUMN_NUMBER_END, String.valueOf(this.locator.getColumnNumber()), null);
            }
        }

        @Override
        public void characters(final char[] ch, final int start, final int length) throws SAXException {
            textBuffer.append(ch, start, length);
        }

        @Override
        public InputSource resolveEntity(String publicId, String systemId) throws IOException, SAXException {
            // do not resolve external dtd
            return new InputSource(new StringReader(""));
        }

        // Outputs text accumulated under the current node
        private void addTextIfNeeded() {
            if (textBuffer.length() > 0) {
                final Element el = elementStack.isEmpty() ? null : elementStack.peek();
                if (el != null) {
                    final Node textNode = doc.createTextNode(textBuffer.toString());
                    el.appendChild(textNode);
                    textBuffer.delete(0, textBuffer.length());
                }
            }
        }
    };
    parser.parse(is, handler);
    return doc;
}

Example 7 with Locator

use of org.xml.sax.Locator in project j2objc by google.

the class ProcessorLRE method startElement.

/**
   * Receive notification of the start of an element.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param localName The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param attributes The specified or defaulted attributes.
   */
public void startElement(StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) throws org.xml.sax.SAXException {
    try {
        ElemTemplateElement p = handler.getElemTemplateElement();
        boolean excludeXSLDecl = false;
        boolean isLREAsStyleSheet = false;
        if (null == p) {
            // Literal Result Template as stylesheet.
            XSLTElementProcessor lreProcessor = handler.popProcessor();
            XSLTElementProcessor stylesheetProcessor = handler.getProcessorFor(Constants.S_XSLNAMESPACEURL, "stylesheet", "xsl:stylesheet");
            handler.pushProcessor(lreProcessor);
            Stylesheet stylesheet;
            try {
                stylesheet = getStylesheetRoot(handler);
            } catch (TransformerConfigurationException tfe) {
                throw new TransformerException(tfe);
            }
            // stylesheet.setDOMBackPointer(handler.getOriginatingNode());
            // ***** Note that we're assigning an empty locator. Is this necessary?
            SAXSourceLocator slocator = new SAXSourceLocator();
            Locator locator = handler.getLocator();
            if (null != locator) {
                slocator.setLineNumber(locator.getLineNumber());
                slocator.setColumnNumber(locator.getColumnNumber());
                slocator.setPublicId(locator.getPublicId());
                slocator.setSystemId(locator.getSystemId());
            }
            stylesheet.setLocaterInfo(slocator);
            stylesheet.setPrefixes(handler.getNamespaceSupport());
            handler.pushStylesheet(stylesheet);
            isLREAsStyleSheet = true;
            AttributesImpl stylesheetAttrs = new AttributesImpl();
            AttributesImpl lreAttrs = new AttributesImpl();
            int n = attributes.getLength();
            for (int i = 0; i < n; i++) {
                String attrLocalName = attributes.getLocalName(i);
                String attrUri = attributes.getURI(i);
                String value = attributes.getValue(i);
                if ((null != attrUri) && attrUri.equals(Constants.S_XSLNAMESPACEURL)) {
                    stylesheetAttrs.addAttribute(null, attrLocalName, attrLocalName, attributes.getType(i), attributes.getValue(i));
                } else if ((attrLocalName.startsWith("xmlns:") || attrLocalName.equals("xmlns")) && value.equals(Constants.S_XSLNAMESPACEURL)) {
                // ignore
                } else {
                    lreAttrs.addAttribute(attrUri, attrLocalName, attributes.getQName(i), attributes.getType(i), attributes.getValue(i));
                }
            }
            attributes = lreAttrs;
            // allowed on a stylesheet.
            try {
                stylesheetProcessor.setPropertiesFromAttributes(handler, "stylesheet", stylesheetAttrs, stylesheet);
            } catch (Exception e) {
                if (stylesheet.getDeclaredPrefixes() == null || !declaredXSLNS(stylesheet)) {
                    throw new org.xml.sax.SAXException(XSLMessages.createWarning(XSLTErrorResources.WG_OLD_XSLT_NS, null));
                } else {
                    throw new org.xml.sax.SAXException(e);
                }
            }
            handler.pushElemTemplateElement(stylesheet);
            ElemTemplate template = new ElemTemplate();
            if (slocator != null)
                template.setLocaterInfo(slocator);
            appendAndPush(handler, template);
            XPath rootMatch = new XPath("/", stylesheet, stylesheet, XPath.MATCH, handler.getStylesheetProcessor().getErrorListener());
            template.setMatch(rootMatch);
            // template.setDOMBackPointer(handler.getOriginatingNode());
            stylesheet.setTemplate(template);
            p = handler.getElemTemplateElement();
            excludeXSLDecl = true;
        }
        XSLTElementDef def = getElemDef();
        Class classObject = def.getClassObject();
        boolean isExtension = false;
        boolean isComponentDecl = false;
        boolean isUnknownTopLevel = false;
        while (null != p) {
            // System.out.println("Checking: "+p);
            if (p instanceof ElemLiteralResult) {
                ElemLiteralResult parentElem = (ElemLiteralResult) p;
                isExtension = parentElem.containsExtensionElementURI(uri);
            } else if (p instanceof Stylesheet) {
                Stylesheet parentElem = (Stylesheet) p;
                isExtension = parentElem.containsExtensionElementURI(uri);
                if ((false == isExtension) && (null != uri) && (uri.equals(Constants.S_BUILTIN_EXTENSIONS_URL) || uri.equals(Constants.S_BUILTIN_OLD_EXTENSIONS_URL))) {
                    isComponentDecl = true;
                } else {
                    isUnknownTopLevel = true;
                }
            }
            if (isExtension)
                break;
            p = p.getParentElem();
        }
        ElemTemplateElement elem = null;
        try {
            if (isExtension) {
                // System.out.println("Creating extension(1): "+uri);
                elem = new ElemExtensionCall();
            } else if (isComponentDecl) {
                elem = (ElemTemplateElement) classObject.newInstance();
            } else if (isUnknownTopLevel) {
                // TBD: Investigate, not sure about this.  -sb
                elem = (ElemTemplateElement) classObject.newInstance();
            } else {
                elem = (ElemTemplateElement) classObject.newInstance();
            }
            elem.setDOMBackPointer(handler.getOriginatingNode());
            elem.setLocaterInfo(handler.getLocator());
            elem.setPrefixes(handler.getNamespaceSupport(), excludeXSLDecl);
            if (elem instanceof ElemLiteralResult) {
                ((ElemLiteralResult) elem).setNamespace(uri);
                ((ElemLiteralResult) elem).setLocalName(localName);
                ((ElemLiteralResult) elem).setRawName(rawName);
                ((ElemLiteralResult) elem).setIsLiteralResultAsStylesheet(isLREAsStyleSheet);
            }
        } catch (InstantiationException ie) {
            //"Failed creating ElemLiteralResult instance!", ie);
            handler.error(XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT, null, ie);
        } catch (IllegalAccessException iae) {
            //"Failed creating ElemLiteralResult instance!", iae);
            handler.error(XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT, null, iae);
        }
        setPropertiesFromAttributes(handler, rawName, attributes, elem);
        // bit of a hack here...
        if (!isExtension && (elem instanceof ElemLiteralResult)) {
            isExtension = ((ElemLiteralResult) elem).containsExtensionElementURI(uri);
            if (isExtension) {
                // System.out.println("Creating extension(2): "+uri);
                elem = new ElemExtensionCall();
                elem.setLocaterInfo(handler.getLocator());
                elem.setPrefixes(handler.getNamespaceSupport());
                ((ElemLiteralResult) elem).setNamespace(uri);
                ((ElemLiteralResult) elem).setLocalName(localName);
                ((ElemLiteralResult) elem).setRawName(rawName);
                setPropertiesFromAttributes(handler, rawName, attributes, elem);
            }
        }
        appendAndPush(handler, elem);
    } catch (TransformerException te) {
        throw new org.xml.sax.SAXException(te);
    }
}

Example 8 with Locator

use of org.xml.sax.Locator in project j2objc by google.

the class TreeWalker method startNode.

/**
   * Start processing given node
   *
   *
   * @param node Node to process
   *
   * @throws org.xml.sax.SAXException
   */
protected void startNode(Node node) throws org.xml.sax.SAXException {
    if (m_contentHandler instanceof NodeConsumer) {
        ((NodeConsumer) m_contentHandler).setOriginatingNode(node);
    }
    if (node instanceof Locator) {
        Locator loc = (Locator) node;
        m_locator.setColumnNumber(loc.getColumnNumber());
        m_locator.setLineNumber(loc.getLineNumber());
        m_locator.setPublicId(loc.getPublicId());
        m_locator.setSystemId(loc.getSystemId());
    } else {
        m_locator.setColumnNumber(0);
        m_locator.setLineNumber(0);
    }
    switch(node.getNodeType()) {
        case Node.COMMENT_NODE:
            {
                String data = ((Comment) node).getData();
                if (m_contentHandler instanceof LexicalHandler) {
                    LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
                    lh.comment(data.toCharArray(), 0, data.length());
                }
            }
            break;
        case Node.DOCUMENT_FRAGMENT_NODE:
            // ??;
            break;
        case Node.DOCUMENT_NODE:
            break;
        case Node.ELEMENT_NODE:
            NamedNodeMap atts = ((Element) node).getAttributes();
            int nAttrs = atts.getLength();
            for (int i = 0; i < nAttrs; i++) {
                Node attr = atts.item(i);
                String attrName = attr.getNodeName();
                // System.out.println("TreeWalker#startNode: attr["+i+"] = "+attrName+", "+attr.getNodeValue());
                if (attrName.equals("xmlns") || attrName.startsWith("xmlns:")) {
                    // System.out.println("TreeWalker#startNode: attr["+i+"] = "+attrName+", "+attr.getNodeValue());
                    int index;
                    // Use "" instead of null, as Xerces likes "" for the 
                    // name of the default namespace.  Fix attributed 
                    // to "Steven Murray" <smurray@ebt.com>.
                    String prefix = (index = attrName.indexOf(":")) < 0 ? "" : attrName.substring(index + 1);
                    this.m_contentHandler.startPrefixMapping(prefix, attr.getNodeValue());
                }
            }
            // System.out.println("m_dh.getNamespaceOfNode(node): "+m_dh.getNamespaceOfNode(node));
            // System.out.println("m_dh.getLocalNameOfNode(node): "+m_dh.getLocalNameOfNode(node));
            String ns = m_dh.getNamespaceOfNode(node);
            if (null == ns)
                ns = "";
            this.m_contentHandler.startElement(ns, m_dh.getLocalNameOfNode(node), node.getNodeName(), new AttList(atts, m_dh));
            break;
        case Node.PROCESSING_INSTRUCTION_NODE:
            {
                ProcessingInstruction pi = (ProcessingInstruction) node;
                String name = pi.getNodeName();
                // String data = pi.getData();
                if (name.equals("xslt-next-is-raw")) {
                    nextIsRaw = true;
                } else {
                    this.m_contentHandler.processingInstruction(pi.getNodeName(), pi.getData());
                }
            }
            break;
        case Node.CDATA_SECTION_NODE:
            {
                boolean isLexH = (m_contentHandler instanceof LexicalHandler);
                LexicalHandler lh = isLexH ? ((LexicalHandler) this.m_contentHandler) : null;
                if (isLexH) {
                    lh.startCDATA();
                }
                dispatachChars(node);
                {
                    if (isLexH) {
                        lh.endCDATA();
                    }
                }
            }
            break;
        case Node.TEXT_NODE:
            {
                if (nextIsRaw) {
                    nextIsRaw = false;
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");
                    dispatachChars(node);
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_ENABLE_OUTPUT_ESCAPING, "");
                } else {
                    dispatachChars(node);
                }
            }
            break;
        case Node.ENTITY_REFERENCE_NODE:
            {
                EntityReference eref = (EntityReference) node;
                if (m_contentHandler instanceof LexicalHandler) {
                    ((LexicalHandler) this.m_contentHandler).startEntity(eref.getNodeName());
                } else {
                // warning("Can not output entity to a pure SAX ContentHandler");
                }
            }
            break;
        default:
    }
}

Example 9 with Locator

use of org.xml.sax.Locator in project intellij-community by JetBrains.

the class RngXmlAttributeDescriptor method mergeWith.

public RngXmlAttributeDescriptor mergeWith(RngXmlAttributeDescriptor d) {
    final QName name = d.myName.equals(UNKNOWN) ? myName : d.myName;
    final HashMap<String, String> values = new HashMap<>(myValues);
    values.putAll(d.myValues);
    final THashSet<Locator> locations = new THashSet<>(myDeclarations, HASHING_STRATEGY);
    locations.addAll(d.myDeclarations);
    return new RngXmlAttributeDescriptor(myElementDescriptor, name, values, myOptional || d.myOptional, locations.toArray(new Locator[locations.size()]));
}

Example 10 with Locator

use of org.xml.sax.Locator in project camel by apache.

the class XmlLineNumberParser method parseXml.

/**
     * Parses the XML.
     *
     * @param is              the XML content as an input stream
     * @param xmlTransformer  the XML transformer
     * @param rootNames       one or more root names that is used as baseline for beginning the parsing, for example camelContext to start parsing
     *                        when Camel is discovered. Multiple names can be defined separated by comma
     * @param forceNamespace  an optional namespaces to force assign to each node. This may be needed for JAXB unmarshalling from XML -> POJO.
     * @return the DOM model
     * @throws Exception is thrown if error parsing
     */
public static Document parseXml(final InputStream is, XmlTextTransformer xmlTransformer, String rootNames, final String forceNamespace) throws Exception {
    ObjectHelper.notNull(is, "is");
    final XmlTextTransformer transformer = xmlTransformer == null ? new NoopTransformer() : xmlTransformer;
    final Document doc;
    SAXParser parser;
    final SAXParserFactory factory = SAXParserFactory.newInstance();
    parser = factory.newSAXParser();
    final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    // turn off validator and loading external dtd
    dbf.setValidating(false);
    dbf.setNamespaceAware(true);
    dbf.setFeature("http://xml.org/sax/features/namespaces", false);
    dbf.setFeature("http://xml.org/sax/features/validation", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
    dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
    final DocumentBuilder docBuilder = dbf.newDocumentBuilder();
    doc = docBuilder.newDocument();
    final Stack<Element> elementStack = new Stack<Element>();
    final StringBuilder textBuffer = new StringBuilder();
    final DefaultHandler handler = new DefaultHandler() {

        private Locator locator;

        private boolean found;

        @Override
        public void setDocumentLocator(final Locator locator) {
            // Save the locator, so that it can be used later for line tracking when traversing nodes.
            this.locator = locator;
            this.found = rootNames == null;
        }

        private boolean isRootName(String qName) {
            for (String root : rootNames.split(",")) {
                if (qName.equals(root)) {
                    return true;
                }
            }
            return false;
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) throws SAXException {
            addTextIfNeeded();
            if (rootNames != null && !found) {
                if (isRootName(qName)) {
                    found = true;
                }
            }
            if (found) {
                Element el;
                if (forceNamespace != null) {
                    el = doc.createElementNS(forceNamespace, qName);
                } else {
                    el = doc.createElement(qName);
                }
                for (int i = 0; i < attributes.getLength(); i++) {
                    el.setAttribute(transformer.transform(attributes.getQName(i)), transformer.transform(attributes.getValue(i)));
                }
                el.setUserData(LINE_NUMBER, String.valueOf(this.locator.getLineNumber()), null);
                el.setUserData(COLUMN_NUMBER, String.valueOf(this.locator.getColumnNumber()), null);
                elementStack.push(el);
            }
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {
            if (!found) {
                return;
            }
            addTextIfNeeded();
            final Element closedEl = elementStack.isEmpty() ? null : elementStack.pop();
            if (closedEl != null) {
                if (elementStack.isEmpty()) {
                    // Is this the root element?
                    doc.appendChild(closedEl);
                } else {
                    final Element parentEl = elementStack.peek();
                    parentEl.appendChild(closedEl);
                }
                closedEl.setUserData(LINE_NUMBER_END, String.valueOf(this.locator.getLineNumber()), null);
                closedEl.setUserData(COLUMN_NUMBER_END, String.valueOf(this.locator.getColumnNumber()), null);
            }
        }

        @Override
        public void characters(final char[] ch, final int start, final int length) throws SAXException {
            char[] chars = new char[length];
            System.arraycopy(ch, start, chars, 0, length);
            String s = new String(chars);
            s = transformer.transform(s);
            textBuffer.append(s);
        }

        @Override
        public InputSource resolveEntity(String publicId, String systemId) throws IOException, SAXException {
            // do not resolve external dtd
            return new InputSource(new StringReader(""));
        }

        // Outputs text accumulated under the current node
        private void addTextIfNeeded() {
            if (textBuffer.length() > 0) {
                final Element el = elementStack.isEmpty() ? null : elementStack.peek();
                if (el != null) {
                    final Node textNode = doc.createTextNode(textBuffer.toString());
                    el.appendChild(textNode);
                    textBuffer.delete(0, textBuffer.length());
                }
            }
        }
    };
    parser.parse(is, handler);
    return doc;
}