Example usage for org.w3c.dom Node getParentNode

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

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Introduction

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

Prototype

public Node getParentNode();

Source Link

Document

The parent of this node.

Usage

From source file:org.apache.ws.security.util.WSSecurityUtil.java

public static String getPrefixNS(String uri, Node e) {
    while (e != null && (e.getNodeType() == Element.ELEMENT_NODE)) {
        NamedNodeMap attrs = e.getAttributes();
        for (int n = 0; n < attrs.getLength(); n++) {
            Attr a = (Attr) attrs.item(n);
            String name = a.getName();
            if (name.startsWith("xmlns:") && a.getNodeValue().equals(uri)) {
                return name.substring(6);
            }/*from   w w w  .  j a v  a 2s  .c o  m*/
        }
        e = e.getParentNode();
    }
    return null;
}

From source file:org.apache.ws.security.util.WSSecurityUtil.java

public static String getNamespace(String prefix, Node e) {
    while (e != null && (e.getNodeType() == Node.ELEMENT_NODE)) {
        Attr attr = null;/*from  w w  w .  j a va2 s . com*/
        if (prefix == null) {
            attr = ((Element) e).getAttributeNode("xmlns");
        } else {
            attr = ((Element) e).getAttributeNodeNS(WSConstants.XMLNS_NS, prefix);
        }
        if (attr != null) {
            return attr.getValue();
        }
        e = e.getParentNode();
    }
    return null;
}

From source file:org.apache.xml.security.utils.CachedXPathFuncHereAPI.java

/**
 * Method getStrFromNode/*from   ww w  .j a va2 s  . c  o  m*/
 *
 * @param xpathnode
 * @return the string for the node.
 */
public static String getStrFromNode(Node xpathnode) {

    if (xpathnode.getNodeType() == Node.TEXT_NODE) {

        // we iterate over all siblings of the context node because eventually,
        // the text is "polluted" with pi's or comments
        StringBuffer sb = new StringBuffer();

        for (Node currentSibling = xpathnode.getParentNode()
                .getFirstChild(); currentSibling != null; currentSibling = currentSibling.getNextSibling()) {
            if (currentSibling.getNodeType() == Node.TEXT_NODE) {
                sb.append(((Text) currentSibling).getData());
            }
        }

        return sb.toString();
    } else if (xpathnode.getNodeType() == Node.ATTRIBUTE_NODE) {
        return ((Attr) xpathnode).getNodeValue();
    } else if (xpathnode.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
        return ((ProcessingInstruction) xpathnode).getNodeValue();
    }

    return null;
}

From source file:org.apache.xml.security.utils.IdResolver.java

private static int getEl(Node currentNode, String id, Element[] els) {
    Node sibling = null;/*  w w w  .ja  va 2s  .  c  o m*/
    Node parentNode = null;
    do {
        switch (currentNode.getNodeType()) {
        case Node.DOCUMENT_FRAGMENT_NODE:
        case Node.DOCUMENT_NODE:
            sibling = currentNode.getFirstChild();
            break;

        case Node.ELEMENT_NODE:
            Element currentElement = (Element) currentNode;
            if (isElement(currentElement, id, els) == 1) {
                return 1;
            }
            sibling = currentNode.getFirstChild();
            if (sibling == null) {
                if (parentNode != null) {
                    sibling = currentNode.getNextSibling();
                }
            } else {
                parentNode = currentElement;
            }
            break;
        }
        while (sibling == null && parentNode != null) {
            sibling = parentNode.getNextSibling();
            parentNode = parentNode.getParentNode();
            if (parentNode != null && Node.ELEMENT_NODE != parentNode.getNodeType()) {
                parentNode = null;
            }
        }
        if (sibling == null) {
            return 1;
        }
        currentNode = sibling;
        sibling = currentNode.getNextSibling();
    } while (true);
}

From source file:org.apache.xml.security.utils.XMLUtils.java

/**
 * This is the work horse for {@link #circumventBug2650}.
 *
 * @param node/* ww  w.  j  a  va 2s . c om*/
 * @see <A HREF="http://nagoya.apache.org/bugzilla/show_bug.cgi?id=2650">
 * Namespace axis resolution is not XPath compliant </A>
 */
private static void circumventBug2650internal(Node node) {
    Node parent = null;
    Node sibling = null;
    final String namespaceNs = Constants.NamespaceSpecNS;
    do {
        switch (node.getNodeType()) {
        case Node.ELEMENT_NODE:
            Element element = (Element) node;
            if (!element.hasChildNodes()) {
                break;
            }
            if (element.hasAttributes()) {
                NamedNodeMap attributes = element.getAttributes();
                int attributesLength = attributes.getLength();

                for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {

                    if (child.getNodeType() != Node.ELEMENT_NODE) {
                        continue;
                    }
                    Element childElement = (Element) child;

                    for (int i = 0; i < attributesLength; i++) {
                        Attr currentAttr = (Attr) attributes.item(i);
                        if (!namespaceNs.equals(currentAttr.getNamespaceURI()))
                            continue;
                        if (childElement.hasAttributeNS(namespaceNs, currentAttr.getLocalName())) {
                            continue;
                        }
                        childElement.setAttributeNS(namespaceNs, currentAttr.getName(),
                                currentAttr.getNodeValue());
                    }
                }
            }
        case Node.ENTITY_REFERENCE_NODE:
            parent = node;
            sibling = node.getFirstChild();
            break;
        case Node.DOCUMENT_NODE:
            parent = node;
            sibling = node.getFirstChild();
            break;
        }
        while ((sibling == null) && (parent != null)) {
            sibling = parent.getNextSibling();
            parent = parent.getParentNode();
        }
        if (sibling == null) {
            return;
        }

        node = sibling;
        sibling = node.getNextSibling();
    } while (true);
}

From source file:org.archive.crawler.migrate.MigrateH1to3Tool.java

/**
 * Given a Document, return a Map of all non-blank simple text 
 * nodes, keyed by the pseudo-XPath to their parent element. 
 * /*from w w w . j a v  a 2s. c  om*/
 * @param h1order Document to extract Map
 * @return Map<String,String> Xpath-like-String -> non-blank text content
 * @throws XPathExpressionException
 */
public static Map<String, String> flattenH1Order(Document h1order) throws XPathExpressionException {
    Map<String, String> flattened = new LinkedHashMap<String, String>();
    XPathExpression xpath = XPathFactory.newInstance().newXPath().compile("//text()");
    NodeList nodes = (NodeList) xpath.evaluate(h1order, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (StringUtils.isNotBlank(node.getTextContent())) {
            String pseudoXPath = getPseudoXpath(node.getParentNode());
            pseudoXPath = pseudoXPath.replaceFirst("/crawl-order", "/");

            //                System.out.println(
            //                        pseudoXPath
            //                        +" "+node.getTextContent());

            flattened.put(pseudoXPath, node.getTextContent());
        }
    }
    //        System.err.println(flattened.size());
    //        System.err.println(flattened);

    return flattened;
}

From source file:org.archive.crawler.migrate.MigrateH1to3Tool.java

/**
 * Given a node, give back an XPath-like string that addresses it. 
 * (For our constrained order.xml files, it is a valid and unique
 * XPath, but the simple approach used here might not generate 
 * unique XPaths on all XML.// w  ww .j a  va2  s  . c  o m
 * 
 * @param node node to get pseudo-XPath
 * @return String pseudo-XPath
 */
protected static String getPseudoXpath(Node node) {
    String pseudoXpath = "";
    Node currentNode = node;
    while (currentNode.getParentNode() != null) {
        String thisSegment = currentNode.getNodeName();
        if (currentNode.getAttributes().getNamedItem("name") != null) {
            thisSegment = "*[@" + currentNode.getAttributes().getNamedItem("name") + "]";
        }
        pseudoXpath = "/" + thisSegment + pseudoXpath;
        currentNode = currentNode.getParentNode();
    }
    return pseudoXpath;
}

From source file:org.asqatasun.crawler.util.HeritrixAttributeValueModifier.java

@Override
public Document modifyDocument(Document document, String value) {
    if (value == null || value.isEmpty()) {
        LOGGER.debug(" value is empty " + this.getClass());
        return document;
    }/*from  w  w w.ja  va2  s  .  co  m*/
    try {
        Node parentNode = getNodeFromXpath(document);
        NamedNodeMap attr = parentNode.getAttributes();
        Node nodeAttr = attr.getNamedItem(DEFAULT_ATTRIBUTE_NAME);
        if (StringUtils.isNotEmpty(value)) {
            nodeAttr.setTextContent(value);
        } else {
            parentNode.getParentNode().removeChild(parentNode);
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Update " + getAttributeValue() + " attribute of bean " + getIdBeanParent()
                    + " with value " + value);
        }
    } catch (XPathExpressionException ex) {
        LOGGER.warn(ex);
    }
    return document;
}

From source file:org.asqatasun.crawler.util.HeritrixAttributeValueModifierAndEraser.java

@Override
public Document modifyDocument(Document document, String value) {
    try {/*w  w w. j a v a 2 s .  c o m*/
        Node parentNode = getNodeFromXpath(document);
        NamedNodeMap attr = parentNode.getAttributes();
        Node nodeAttr = attr.getNamedItem(DEFAULT_ATTRIBUTE_NAME);
        if (StringUtils.isNotEmpty(value)) {
            nodeAttr.setTextContent(value);
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Update " + getAttributeValue() + " attribute of bean " + getIdBeanParent()
                        + " with value " + value);
            }
        } else {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Delete " + getAttributeValue() + " attribute of bean " + getIdBeanParent()
                        + " because of null or empty value ");
            }
            parentNode.getParentNode().removeChild(parentNode);
        }
    } catch (XPathExpressionException ex) {
        Logger.getLogger(HeritrixParameterValueModifier.class.getName()).warn(ex);
    }
    return document;
}

From source file:org.bibsonomy.scraper.url.kde.ieee.IEEEXploreStandardsScraper.java

public String ieeeStandardsScrape(ScrapingContext sc) throws ScrapingException {
    try {/*from www  .  ja v  a2  s .  com*/
        //-- init all NodeLists and Node
        NodeList pres = null;
        Node currNode = null;
        NodeList temp = null;

        //-- init String map for bibtex entries
        String type = IEEE_STANDARDS;
        String url = sc.getUrl().toString();
        String numpages = "";
        String title = "";
        String isbn = "";
        String abstr = "";
        String year = "";

        //-- get the html doc and parse the DOM
        final Document document = XmlUtils.getDOM(sc.getPageContent());

        /* -- get the spans to extract the title and abstract
         */
        pres = null;
        pres = document.getElementsByTagName("span"); //get all <span>-Tags
        for (int i = 0; i < pres.getLength(); i++) {
            currNode = pres.item(i);
            if (currNode.hasAttributes()) {
                Element g = (Element) currNode;
                Attr own = g.getAttributeNode("class");
                //-- Extract the title
                if ("headNavBlueXLarge2".equals(own.getValue())) {
                    temp = currNode.getChildNodes();
                    title = temp.item(temp.getLength() - 1).getNodeValue().trim();
                }
                //-- Extract the abstract
                if ("sectionHeaders".equals(own.getValue())
                        && "Abstract".equals(currNode.getFirstChild().getNodeValue())) {
                    abstr = currNode.getParentNode().getLastChild().getNodeValue().trim();
                }
            }
        }

        /*-- get all <p>-Tags to extract the standard informations
         *  In every standard page the css-class "bodyCopyBlackLargeSpaced"
         *  indicates the collection of all informations.
         * */
        pres = null;
        pres = document.getElementsByTagName("p"); //get all <p>-Tags
        for (int i = 0; i < pres.getLength(); i++) {
            currNode = pres.item(i);
            if (currNode.hasAttributes()) {
                Element g = (Element) currNode;
                Attr own = g.getAttributeNode("class");
                if ("bodyCopyBlackLargeSpaced".equals(own.getValue())) {
                    temp = currNode.getChildNodes();

                    for (int j = 0; j < temp.getLength(); j++) {
                        if (temp.item(j).getNodeValue().indexOf(CONST_DATE) != -1) {
                            String date = temp.item(j).getNodeValue().substring(CONST_DATE.length()).trim();
                            year = date.substring(date.length() - 4).trim();
                        }
                        if (temp.item(j).getNodeValue().indexOf(CONST_PAGE) != -1) {
                            numpages = temp.item(j).getNodeValue().substring(CONST_PAGE.length()).trim();
                        }
                        if (temp.item(j).getNodeValue().indexOf(CONST_EISBN) != -1) {
                            isbn = temp.item(j).getNodeValue().substring(CONST_EISBN.length()).trim();
                        }
                    }
                }
            }
        }

        //create valid bibtex snippet
        return type + " {," + "title = {" + title + "}, " + "year = {" + year + "}, " + "url = {" + url + "}, "
                + "pages = {" + numpages + "}, " + "abstract = {" + abstr + "}, " + "isbn = {" + isbn + "}}";

    } catch (Exception e) {
        throw new InternalFailureException(e);
    }
}