Example usage for org.w3c.dom Node COMMENT_NODE

List of usage examples for org.w3c.dom Node COMMENT_NODE

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Introduction

In this page you can find the example usage for org.w3c.dom Node COMMENT_NODE.

Prototype

short COMMENT_NODE

To view the source code for org.w3c.dom Node COMMENT_NODE.

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Document

The node is a Comment.

Usage

From source file:org.cruxframework.crux.core.declarativeui.crossdevice.CrossDevices.java

/**
 * @param parentElement//from w w w .j a  v  a2s  .  co m
 * @return
 */
static List<Element> extractChildrenElements(Element parentElement) {
    List<Element> result = new ArrayList<Element>();
    NodeList childNodes = parentElement.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        switch (node.getNodeType()) {
        case Node.COMMENT_NODE:
            //ignore node
            break;
        case Node.TEXT_NODE:
            Text textNode = (Text) node;
            if (textNode.getWholeText().trim().length() > 0) {
                return null;
            }
            break;
        case Node.ELEMENT_NODE:
            result.add((Element) node);
            break;
        default:
            return null;
        }
    }

    return result;
}

From source file:org.dhatim.delivery.dom.serialize.Serializer.java

/**
 * Recursively write the DOM tree to the supplied writer.
 * @param element Element to write./*from w w w.j a  v  a2 s .c  o  m*/
 * @param writer Writer to use.
  * @param isRoot Is the supplied element the document root element.
  * @throws IOException Exception writing to Writer.
 */
private void recursiveDOMWrite(Element element, Writer writer, boolean isRoot) throws IOException {
    SerializationUnit elementSU;
    NodeList children = element.getChildNodes();

    elementSU = getSerializationUnit(element, isRoot);
    try {
        if (elementSU != null) {
            elementSU.writeElementStart(element, writer, executionContext);
        }

        if (children != null && children.getLength() > 0) {
            int childCount = children.getLength();

            for (int i = 0; i < childCount; i++) {
                Node childNode = children.item(i);

                if (elementSU != null) {
                    switch (childNode.getNodeType()) {
                    case Node.CDATA_SECTION_NODE: {
                        elementSU.writeElementCDATA((CDATASection) childNode, writer, executionContext);
                        break;
                    }
                    case Node.COMMENT_NODE: {
                        elementSU.writeElementComment((Comment) childNode, writer, executionContext);
                        break;
                    }
                    case Node.ELEMENT_NODE: {
                        if (elementSU.writeChildElements()) {
                            recursiveDOMWrite((Element) childNode, writer, false);
                        }
                        break;
                    }
                    case Node.ENTITY_REFERENCE_NODE: {
                        elementSU.writeElementEntityRef((EntityReference) childNode, writer, executionContext);
                        break;
                    }
                    case Node.TEXT_NODE: {
                        elementSU.writeElementText((Text) childNode, writer, executionContext);
                        break;
                    }
                    default: {
                        elementSU.writeElementNode(childNode, writer, executionContext);
                        break;
                    }
                    }
                } else if (childNode.getNodeType() == Node.ELEMENT_NODE) {
                    recursiveDOMWrite((Element) childNode, writer, false);
                }
            }
        }
        if (elementSU != null) {
            elementSU.writeElementEnd(element, writer, executionContext);
        }
    } catch (Throwable thrown) {
        String error = "Failed to apply serialization unit [" + elementSU.getClass().getName() + "] to ["
                + executionContext.getDocumentSource() + ":" + DomUtils.getXPath(element) + "].";

        if (terminateOnVisitorException) {
            if (thrown instanceof SmooksException) {
                throw (SmooksException) thrown;
            } else {
                throw new SmooksException(error, thrown);
            }
        } else {
            logger.debug(error, thrown);
        }
    }
}

From source file:org.dhatim.delivery.dom.serialize.Serializer.java

/**
 * Recursively write the DOM tree to the supplied writer.
 * @param element Element to write./*from w w  w  .j a  v  a 2s. c o m*/
 * @param writer Writer to use.
 * @throws IOException Exception writing to Writer.
 */
public static void recursiveDOMWrite(Element element, Writer writer) throws IOException {
    NodeList children = element.getChildNodes();

    try {
        defaultSerializer.writeElementStart(element, writer);

        if (children != null && children.getLength() > 0) {
            int childCount = children.getLength();

            for (int i = 0; i < childCount; i++) {
                Node childNode = children.item(i);

                switch (childNode.getNodeType()) {
                case Node.CDATA_SECTION_NODE: {
                    defaultSerializer.writeElementCDATA((CDATASection) childNode, writer, null);
                    break;
                }
                case Node.COMMENT_NODE: {
                    defaultSerializer.writeElementComment((Comment) childNode, writer, null);
                    break;
                }
                case Node.ELEMENT_NODE: {
                    recursiveDOMWrite((Element) childNode, writer);
                    break;
                }
                case Node.ENTITY_REFERENCE_NODE: {
                    defaultSerializer.writeElementEntityRef((EntityReference) childNode, writer, null);
                    break;
                }
                case Node.TEXT_NODE: {
                    defaultSerializer.writeElementText((Text) childNode, writer, null);
                    break;
                }
                default: {
                    defaultSerializer.writeElementNode(childNode, writer, null);
                    break;
                }
                }
            }
        }
        defaultSerializer.writeElementEnd(element, writer);
    } catch (Throwable thrown) {
        if (thrown instanceof SmooksException) {
            throw (SmooksException) thrown;
        } else {
            throw new SmooksException("Serailization Error.", thrown);
        }
    }
}

From source file:org.dhatim.xml.DomUtils.java

/**
 * Construct the XPath of the supplied DOM Node.
 * <p/>// w ww . ja v a2s  . c  om
 * Supports element, comment and cdata sections DOM Node types.
 * @param node DOM node for XPath generation.
 * @return XPath string representation of the supplied DOM Node.
 */
public static String getXPath(Node node) {
    AssertArgument.isNotNull(node, "node");

    StringBuffer xpath = new StringBuffer();
    Node parent = node.getParentNode();

    switch (node.getNodeType()) {
    case Node.ELEMENT_NODE:
        xpath.append(getXPathToken((Element) node));
        break;
    case Node.COMMENT_NODE:
        int commentNum = DomUtils.countNodesBefore(node, Node.COMMENT_NODE);
        xpath.append("/{COMMENT}[" + commentNum + 1 + "]");
        break;
    case Node.CDATA_SECTION_NODE:
        int cdataNum = DomUtils.countNodesBefore(node, Node.CDATA_SECTION_NODE);
        xpath.append("/{CDATA}[" + cdataNum + 1 + "]");
        break;
    default:
        throw new UnsupportedOperationException(
                "XPath generation for supplied DOM Node type not supported.  Only supports element, comment and cdata section DOM nodes.");
    }

    while (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
        xpath.insert(0, getXPathToken((Element) parent));
        parent = parent.getParentNode();
    }

    return xpath.toString();
}

From source file:org.dhatim.xml.DomUtils.java

/**
* Get the combined text from all the text, comment and cdata DOM nodes
* contained within the supplied parent element. 
* @param parent The parent DOM element.//from www  . j  a v  a  2 s  .  c om
* @param removeEntities Remove all HTML entity and character references from
* the DOM Text child nodes and replace them with their equivalent characters.  Note
* this is not performed on Comment or CDATA section nodes.
* @return The combined (concatenated) contents of all child text, comment
* and cdata DOM nodes.  An empty String no such nodes are present.
*/
public static String getAllText(Element parent, boolean removeEntities) {
    AssertArgument.isNotNull(parent, "parent");

    NodeList children = parent.getChildNodes();
    StringBuffer text = new StringBuffer();
    int childCount = children.getLength();

    for (int i = 0; i < childCount; i++) {
        Node child = children.item(i);

        switch (child.getNodeType()) {
        case Node.TEXT_NODE:
            String data = ((Text) child).getData();
            if (removeEntities) {
                text.append(XmlUtil.removeEntities(data));
            } else {
                text.append(data);
            }
            break;
        case Node.CDATA_SECTION_NODE:
            // CDATA_SECTION_NODE nodes are a subtype of the Text node.
            text.append(((Text) child).getData());
            break;
        case Node.COMMENT_NODE:
            text.append(((Comment) child).getData());
            break;
        default:
            break;
        }
    }

    return text.toString();
}

From source file:org.directwebremoting.spring.DwrNamespaceHandler.java

/**
 * Registers a new {@link org.directwebremoting.extend.Creator} in the registry using name <code>javascript</code>.
 * @param registry The definition of all the Beans
 * @param javascript The name of the bean in the registry.
 * @param creatorConfig/*w  w  w .j a va  2  s . c o m*/
 * @param params
 * @param children The node list to check for nested elements
 */
@SuppressWarnings("unchecked")
protected void registerCreator(BeanDefinitionRegistry registry, String javascript,
        BeanDefinitionBuilder creatorConfig, Map<String, String> params, NodeList children) {
    registerSpringConfiguratorIfNecessary(registry);

    List<String> includes = new ArrayList<String>();
    creatorConfig.addPropertyValue("includes", includes);

    List<String> excludes = new ArrayList<String>();
    creatorConfig.addPropertyValue("excludes", excludes);

    Properties auth = new Properties();
    creatorConfig.addPropertyValue("auth", auth);

    // check to see if there are any nested elements here
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);

        if (node.getNodeType() == Node.TEXT_NODE || node.getNodeType() == Node.COMMENT_NODE) {
            continue;
        }

        Element child = (Element) node;

        if ("dwr:latencyfilter".equals(node.getNodeName())) {
            BeanDefinitionBuilder beanFilter = BeanDefinitionBuilder
                    .rootBeanDefinition(ExtraLatencyAjaxFilter.class);
            beanFilter.addPropertyValue("delay", child.getAttribute("delay"));
            BeanDefinitionHolder holder2 = new BeanDefinitionHolder(beanFilter.getBeanDefinition(),
                    "__latencyFilter_" + javascript);
            BeanDefinitionReaderUtils.registerBeanDefinition(holder2, registry);

            ManagedList filterList = new ManagedList();
            filterList.add(new RuntimeBeanReference("__latencyFilter_" + javascript));
            creatorConfig.addPropertyValue("filters", filterList);
        } else if ("dwr:include".equals(node.getNodeName())) {
            includes.add(child.getAttribute("method"));
        } else if ("dwr:exclude".equals(node.getNodeName())) {
            excludes.add(child.getAttribute("method"));
        } else if ("dwr:auth".equals(node.getNodeName())) {
            auth.setProperty(child.getAttribute("method"), child.getAttribute("role"));
        } else if ("dwr:convert".equals(node.getNodeName())) {
            Element element = (Element) node;
            String type = element.getAttribute("type");
            String className = element.getAttribute("class");

            ConverterConfig converterConfig = new ConverterConfig();
            converterConfig.setType(type);
            parseConverterSettings(converterConfig, element);
            lookupConverters(registry).put(className, converterConfig);
        } else if ("dwr:filter".equals(node.getNodeName())) {
            Element element = (Element) node;
            String filterClass = element.getAttribute("class");
            List<Element> filterParamElements = DomUtils.getChildElementsByTagName(element, "param");
            BeanDefinitionBuilder beanFilter;
            try {
                beanFilter = BeanDefinitionBuilder.rootBeanDefinition(ClassUtils.forName(filterClass));
            } catch (ClassNotFoundException e) {
                throw new IllegalArgumentException("DWR filter class '" + filterClass + "' was not found. "
                        + "Check the class name specified in <dwr:filter class=\"" + filterClass
                        + "\" /> exists");
            }
            for (Element filterParamElement : filterParamElements) {
                beanFilter.addPropertyValue(filterParamElement.getAttribute("name"),
                        filterParamElement.getAttribute("value"));
            }
            BeanDefinitionHolder holder2 = new BeanDefinitionHolder(beanFilter.getBeanDefinition(),
                    "__filter_" + filterClass + "_" + javascript);
            BeanDefinitionReaderUtils.registerBeanDefinition(holder2, registry);

            ManagedList filterList = new ManagedList();
            filterList.add(new RuntimeBeanReference("__filter_" + filterClass + "_" + javascript));
            creatorConfig.addPropertyValue("filters", filterList);
        } else if ("dwr:param".equals(node.getNodeName())) {
            Element element = (Element) node;
            String name = element.getAttribute("name");
            String value = element.getAttribute("value");
            params.put(name, value);
        } else {
            throw new RuntimeException("an unknown dwr:remote sub node was fouund: " + node.getNodeName());
        }
    }
    creatorConfig.addPropertyValue("params", params);

    String creatorConfigName = "__" + javascript;
    BeanDefinitionHolder holder3 = new BeanDefinitionHolder(creatorConfig.getBeanDefinition(),
            creatorConfigName);
    BeanDefinitionReaderUtils.registerBeanDefinition(holder3, registry);

    lookupCreators(registry).put(javascript, new RuntimeBeanReference(creatorConfigName));
}

From source file:org.directwebremoting.spring.DwrNamespaceHandler.java

/**
 * @param converterConfig/*from w  w  w  .ja va2s  .c  om*/
 * @param parent
 */
protected void parseConverterSettings(ConverterConfig converterConfig, Element parent) {
    NodeList children = parent.getChildNodes();

    // check to see if there are any nested elements here
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);

        if (node.getNodeType() == Node.TEXT_NODE || node.getNodeType() == Node.COMMENT_NODE) {
            continue;
        }

        Element child = (Element) node;
        if ("dwr:include".equals(child.getNodeName())) {
            converterConfig.addInclude(child.getAttribute("method"));
        } else if ("dwr:exclude".equals(child.getNodeName())) {
            converterConfig.addExclude(child.getAttribute("method"));
        }
        /* TODO Why is this only a property of ObjectConverter?
         else if (child.getNodeName().equals("dwr:force"))
         {
         converterConfig.setForce(Boolean.parseBoolean(child.getAttribute("value")));
         }
         */
        else {
            throw new RuntimeException("an unknown dwr:remote sub node was found: " + node.getNodeName());
        }
    }

}

From source file:org.eclipse.birt.report.engine.emitter.docx.writer.BasicComponent.java

private void processNodes(Element ele, HashMap cssStyles, HTMLWriter writer, Map appContext) {
    for (Node node = ele.getFirstChild(); node != null; node = node.getNextSibling()) {
        // At present we only deal with the text, comment and element nodes
        short nodeType = node.getNodeType();
        if (nodeType == Node.TEXT_NODE) {
            if (isScriptText(node)) {
                writer.cdata(node.getNodeValue());
            } else {
                // bug132213 in text item should only deal with the
                // escape special characters: < > &
                // writer.text( node.getNodeValue( ), false, true );
                writer.text(node.getNodeValue());
            }//w w  w  .j  a v  a 2  s . c o m
        } else if (nodeType == Node.COMMENT_NODE) {
            writer.comment(node.getNodeValue());
        } else if (nodeType == Node.ELEMENT_NODE) {
            Element element = (Element) node;
            if ("br".equalsIgnoreCase(node.getNodeName())) {
                // <br/> is correct. <br></br> is not correct. The brower
                // will treat the <br></br> as <br><br>
                boolean bImplicitCloseTag = writer.isImplicitCloseTag();
                writer.setImplicitCloseTag(true);
                startNode(node, cssStyles, writer, appContext);
                processNodes((Element) node, cssStyles, writer, appContext);
                endNode(node, writer);
                writer.setImplicitCloseTag(bImplicitCloseTag);
            } else {
                startNode(node, cssStyles, writer, appContext);
                processNodes((Element) node, cssStyles, writer, appContext);
                endNode(node, writer);
            }
        }
    }
}

From source file:org.eclipse.smila.connectivity.framework.crawler.web.parse.html.DOMContentUtils.java

private boolean getTextHelper(StringBuffer sb, Node node, boolean abortOnNestedAnchors, int anchorDepth) {
    if ("script".equalsIgnoreCase(node.getNodeName())) {
        return false;
    }/*from   w  w  w.j  a  v a 2 s.  c o  m*/
    if ("style".equalsIgnoreCase(node.getNodeName())) {
        return false;
    }
    if (abortOnNestedAnchors && "a".equalsIgnoreCase(node.getNodeName())) {
        anchorDepth++;
        if (anchorDepth > 1) {
            return true;
        }
    }
    if (node.getNodeType() == Node.COMMENT_NODE) {
        return false;
    }
    if (node.getNodeType() == Node.TEXT_NODE) {
        // cleanup and trim the value
        String text = node.getNodeValue();
        text = text.replaceAll("\\s+", " ");
        text = text.trim();
        if (text.length() > 0) {
            if (sb.length() > 0) {
                sb.append(' ');
            }
            sb.append(text);
        }
    }
    boolean abort = false;
    NodeList children = node.getChildNodes();
    if (children != null) {
        int len = children.getLength();
        for (int i = 0; i < len; i++) {
            if (getTextHelper(sb, children.item(i), abortOnNestedAnchors, anchorDepth)) {
                abort = true;
                break;
            }
        }
    }
    return abort;
}

From source file:org.eclipse.wst.xsl.xalan.debugger.XalanVariable.java

private String processNodeList(NodeList nodeList) {
    String value = "";
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if (node != null) {
            int nodeType = node.getNodeType();
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                value = createElement(value, node);
            }//from  www .  ja  va 2s  . com
            if (nodeType == Node.COMMENT_NODE) {
                value = value + "<!-- " + node.getNodeValue() + " -->";
            }
            if (nodeType == Node.PROCESSING_INSTRUCTION_NODE) {
                ProcessingInstruction pi = (ProcessingInstruction) node;
                value = value + "<?" + pi.getData() + " ?>";
            }
        }
    }
    return value;
}