Example usage for org.w3c.dom Node getParentNode

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:Main.java

private static void collectCDATASections(Node node, Set<String> cdataQNames) {
    if (node instanceof CDATASection) {
        Node parent = node.getParentNode();
        if (parent != null) {
            String uri = parent.getNamespaceURI();
            if (uri != null) {
                cdataQNames.add("{" + uri + "}" + parent.getNodeName()); //NOI18N
            } else {
                cdataQNames.add(parent.getNodeName());
            }//from   www.  ja  va  2  s  . c o m
        }
    }

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        collectCDATASections(children.item(i), cdataQNames);
    }
}

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From source file:Main.java

public static String getNamespaceURI(final org.w3c.dom.Node n, final String prefix) {
    final Node prefixDeclaration = n.getAttributes().getNamedItem("xmlns:" + prefix);
    if (prefixDeclaration != null) {
        // we have found the good NameSpace
        return prefixDeclaration.getNodeValue();
    }/*  ww  w .j a v a  2  s .  c  o m*/
    // we have found the good NameSpace
    // we look for the NameSpace in the parent Node
    return getNamespaceURI(n.getParentNode(), prefix);
}

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From source file:Main.java

/**
 * calculates the path of the node up in the hierarchy, example of result is
 * project/build/plugins/plugin level parameter designates the number of
 * parents to climb eg. for level 2 the result would be plugins/plugin level
 * -1 means all the way to the top.//from ww  w .  j  av  a 2 s .  c  om
 */
public static String pathUp(Node node, int level) {
    StringBuffer buf = new StringBuffer();

    int current = level;

    while ((node != null) && (current > 0)) {
        if (node instanceof Element) {
            if (buf.length() > 0) {
                buf.insert(0, "/");
            }

            buf.insert(0, node.getNodeName());
            current = current - 1;
        }

        node = node.getParentNode();
    }

    return buf.toString();
}

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From source file:Main.java

public static String getXPath(Node node) {
    if (null == node)
        return null;

    // declarations
    Node parent = null;//ww w  .j  a  va  2  s  .co  m
    Stack<Node> hierarchy = new Stack<Node>();
    StringBuilder buffer = new StringBuilder();

    // push element on stack
    hierarchy.push(node);

    parent = node.getParentNode();
    while (null != parent && parent.getNodeType() != Node.DOCUMENT_NODE) {
        // push on stack
        hierarchy.push(parent);

        // get parent of parent
        parent = parent.getParentNode();
    }

    // construct xpath
    Object obj = null;
    while (!hierarchy.isEmpty() && null != (obj = hierarchy.pop())) {
        Node n = (Node) obj;
        boolean handled = false;

        // only consider elements
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            Element e = (Element) n;

            // is this the root element?
            if (buffer.length() == 0) {
                // root element - simply append element name
                buffer.append(n.getNodeName());
            } else {
                // child element - append slash and element name
                buffer.append("/");
                buffer.append(n.getNodeName());

                if (n.hasAttributes()) {
                    // see if the element has a name or id attribute
                    if (e.hasAttribute("id")) {
                        // id attribute found - use that
                        buffer.append("[@id='" + e.getAttribute("id") + "']");
                        handled = true;
                    } else if (e.hasAttribute("name")) {
                        // name attribute found - use that
                        buffer.append("[@name='" + e.getAttribute("name") + "']");
                        handled = true;
                    }
                }

                if (!handled) {
                    // no known attribute we could use - get sibling index
                    int prev_siblings = 1;
                    Node prev_sibling = n.getPreviousSibling();
                    while (null != prev_sibling) {
                        if (prev_sibling.getNodeType() == n.getNodeType()) {
                            if (prev_sibling.getNodeName().equalsIgnoreCase(n.getNodeName())) {
                                prev_siblings++;
                            }
                        }
                        prev_sibling = prev_sibling.getPreviousSibling();
                    }
                    buffer.append("[" + prev_siblings + "]");
                }
            }
        }
    }

    // return buffer
    return buffer.toString();
}

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From source file:org.dozer.eclipse.plugin.sourcepage.util.DozerPluginUtils.java

public static Node getMappingNode(Node someNode) {
    Node parentNode = someNode;
    while (!"mapping".equals((parentNode = parentNode.getParentNode()).getNodeName())) {
        //do nothing
    }// ww w .  jav  a2s  .co  m
    if ("mapping".equals(parentNode.getNodeName()))
        return parentNode;
    else
        return null;
}

---

From source file:Main.java

/**
 * Returns true if the descendantOrSelf is on the descendant-or-self axis
 * of the context node./*from   w  w w .  jav  a  2 s  .  c  o m*/
 *
 * @param ctx
 * @param descendantOrSelf
 * @return true if the node is descendant
 */
static public boolean isDescendantOrSelf(Node ctx, Node descendantOrSelf) {
    if (ctx == descendantOrSelf) {
        return true;
    }

    Node parent = descendantOrSelf;

    while (true) {
        if (parent == null) {
            return false;
        }

        if (parent == ctx) {
            return true;
        }

        if (parent.getNodeType() == Node.ATTRIBUTE_NODE) {
            parent = ((Attr) parent).getOwnerElement();
        } else {
            parent = parent.getParentNode();
        }
    }
}

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From source file:com.bcmcgroup.flare.xmldsig.Xmldsig.java

/**
 * Used to verify an enveloped digital signature
 *
 * @param doc a Document object containing the xml with the signature
 * @param keyStorePath a String containing the path to the KeyStore
 * @param keyStorePW a String containing the KeyStore password
 * @param verifyAlias a String containing the alias of the public key used for verification
 * @return True if signature passes verification, False otherwise
 *//* ww w.j  a va 2  s .  co m*/
public static boolean verifySignature(Document doc, String keyStorePath, String keyStorePW,
        String verifyAlias) {
    boolean coreValidation = false;
    PublicKey publicKey = ClientUtil.getPublicKeyByAlias(keyStorePath, keyStorePW, verifyAlias);
    if (publicKey == null) {
        logger.error(
                "Public key was null when verifying signature. Ensure keystore configuration values are set properly.");
        return false;
    }
    try {
        NodeList nl = doc.getElementsByTagNameNS(XMLSignature.XMLNS, "Signature");
        if (nl.getLength() == 0) {
            logger.error("No XML Digital Signature was found. The document was discarded.");
            return false;
        }
        Node signatureNode = nl.item(nl.getLength() - 1);
        DOMValidateContext valContext = new DOMValidateContext(publicKey, signatureNode);
        valContext.setURIDereferencer(new MyURIDereferencer(signatureNode.getParentNode()));
        XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
        XMLSignature signature = fac.unmarshalXMLSignature(valContext);
        coreValidation = signature.validate(valContext);
        if (!coreValidation) {
            // for testing/debugging when validation fails...
            logger.error("Digital Signature Core Validation failed.");
            boolean signatureValidation = signature.getSignatureValue().validate(valContext);
            logger.debug("Digital Signature Validation: " + signatureValidation);
            @SuppressWarnings("rawtypes")
            Iterator i = signature.getSignedInfo().getReferences().iterator();
            for (int j = 0; i.hasNext(); j++) {
                Reference ref = (Reference) i.next();
                boolean referenceValidation = ref.validate(valContext);
                logger.debug("Digital Signature Reference Validation: " + referenceValidation);
                byte[] calculatedDigestValue = ref.getCalculatedDigestValue();
                byte[] digestValue = ref.getDigestValue();
                String cdvString = new String(Base64.encodeBase64(calculatedDigestValue));
                logger.debug("Digital Signature Calculated Digest Value: " + cdvString);
                String dvString = new String(Base64.encodeBase64(digestValue));
                logger.debug("Digital Signature Digest Value: " + dvString);
            }
        }
    } catch (MarshalException e) {
        logger.error("MarshalException when attempting to verify a digital signature.");
    } catch (XMLSignatureException e) {
        logger.error("XMLSignature Exception when attempting to verify a digital signature.");
    }
    return coreValidation;
}

---

From source file:Main.java

public static String getPrefixNS(String uri, Node e) {
    while (e != null && e.getNodeType() == Node.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("xmlns:".length());
            }/*from   www. jav  a  2s .  com*/
        }
        e = e.getParentNode();
    }
    return null;
}

---

From source file:Main.java

/**
 * Searches for a node within a DOM document with a given node path expression.
 * Elements are separated by '.' characters.
 * Example: Foo.Bar.Poo/*from w w  w .  j a  v a2  s . c  o m*/
 * @param doc DOM Document to search for a node.
 * @param pathExpression dot separated path expression
 * @return Node element found in the DOM document.
 */
public static Node findNodeByName(Document doc, String pathExpression) {
    final StringTokenizer tok = new StringTokenizer(pathExpression, ".");
    final int numToks = tok.countTokens();
    NodeList elements;
    if (numToks == 1) {
        elements = doc.getElementsByTagNameNS("*", pathExpression);
        return elements.item(0);
    }

    String element = pathExpression.substring(pathExpression.lastIndexOf('.') + 1);
    elements = doc.getElementsByTagNameNS("*", element);

    String attributeName = null;
    if (elements.getLength() == 0) {
        //No element found, but maybe we are searching for an attribute
        attributeName = element;

        //cut off attributeName and set element to next token and continue
        Node found = findNodeByName(doc,
                pathExpression.substring(0, pathExpression.length() - attributeName.length() - 1));

        if (found != null) {
            return found.getAttributes().getNamedItem(attributeName);
        } else {
            return null;
        }
    }

    StringBuffer pathName;
    Node parent;
    for (int j = 0; j < elements.getLength(); j++) {
        int cnt = numToks - 1;
        pathName = new StringBuffer(element);
        parent = elements.item(j).getParentNode();
        do {
            if (parent != null) {
                pathName.insert(0, '.');
                pathName.insert(0, parent.getLocalName());//getNodeName());

                parent = parent.getParentNode();
            }
        } while (parent != null && --cnt > 0);
        if (pathName.toString().equals(pathExpression)) {
            return elements.item(j);
        }
    }

    return null;
}

---

From source file:Main.java

public static String getPrefix(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;/*from   w w w. j  a v a2 s  . c o m*/
            if ((name = a.getName()).startsWith("xmlns:") && a.getNodeValue().equals(uri)) {
                return name.substring(6);
            }
        }
        e = e.getParentNode();
    }
    return null;
}

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