Example usage for org.w3c.dom Node getChildNodes

Introduction

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

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * @param parentNode/*from ww w .  j av  a 2s.  c  om*/
 *            is the element tag that contains all the AttirbuteValuePair
 *            tags as children
 * @return Map Returns the AV pairs in a Map where each entry in the Map is
 *         an AV pair. The key is the attribute name and the value is a Set
 *         of String objects.
 */
public static Map<String, Set<String>> parseAttributeValuePairTags(Node parentNode) {
    NodeList keyValueList = parentNode.getChildNodes();
    int keyValueSize = keyValueList.getLength();

    if (keyValueSize <= 0) {
        return EMPTY_MAP;
    }

    Map<String, Set<String>> resultMap = null;

    for (int l = 0; l < keyValueSize; l++) {
        Node keyValueNode = keyValueList.item(l);

        if (keyValueNode.getNodeType() != Node.ELEMENT_NODE
                || !keyValueNode.getNodeName().equals("AttributeValuePair")) {
            continue;
        }

        NodeList keyValueEntryList = keyValueNode.getChildNodes();
        int keyValueEntrySize = keyValueEntryList.getLength();
        if (keyValueEntrySize < 2) {
            // TODO: More error handling required later for missing
            // 'Attribute' or 'Value' tags.
            continue;
        }

        Node keyNode = null;

        // Since Attribute tag is always the first leaf node as per the DTD, and values can one or more,
        // Attribute tag can be parsed first and then iterate over the values, if any.
        for (int i = 0; i < keyValueEntrySize; i++) {
            keyNode = keyValueEntryList.item(i);

            if (keyNode.getNodeType() == Node.ELEMENT_NODE && keyNode.getNodeName().equals("Attribute")) {
                break;
            }
        }

        final String key = ((Element) keyNode).getAttribute("name");
        Set<String> values = null;

        // Now parse the Value tags. If there are not 'Value' tags, ignore this key
        // TODO: More error handling required later for zero 'Value' tags.
        for (int m = 0; m < keyValueEntrySize; m++) {
            Node valueNode = keyValueEntryList.item(m);

            if (valueNode.getNodeType() != Node.ELEMENT_NODE || !valueNode.getNodeName().equals("Value")) {
                // TODO: Error handling required here
                continue;
            }

            if (values == null) {
                values = new HashSet<String>();
            }

            Node firstChild = valueNode.getFirstChild();
            if (firstChild != null) {
                String value = firstChild.getNodeValue();

                if (value != null) {
                    values.add(value.trim());
                }
            }
        }

        if (values == null) {
            // No 'Value' tags found. So ignore this key.
            // TODO: More error handling required later for zero
            // 'Value' tags.
            continue;
        }

        if (resultMap == null) {
            resultMap = new HashMap<String, Set<String>>();
        }

        Set<String> oldValues = resultMap.get(key);
        if (oldValues != null) {
            values.addAll(oldValues);
        }
        resultMap.put(key, values);
    }

    return resultMap == null ? EMPTY_MAP : resultMap;
}

---

From source file:Main.java

/**
 * Finds a Node with a given QNameb./*  w  w  w  .  ja  v a 2 s .  co  m*/
 *
 * @param node parent node
 * @param name QName of the child we need to find
 * @return Returns child node.
 */
public static Node findNode(Node node, QName name) {
    if (name.getNamespaceURI().equals(node.getNamespaceURI())
            && name.getLocalPart().equals(node.getLocalName())) {
        return node;
    }
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node ret = findNode(children.item(i), name);
        if (ret != null) {
            return ret;
        }
    }
    return null;
}

---

From source file:com.iggroup.oss.restdoclet.plugin.util.XmlUtils.java

/**
 * Returns the child-elements of a XML node with a particular name.
 * //  w  w w  .  j  a  v a  2 s . c  o  m
 * @param node the XML node.
 * @param name the name of the child-elements.
 * @return the collection of child-elements or an empty collection if no
 *         children with the name were found.
 */
public static Collection<Element> children(final Node node, final String name) {
    final Collection<Element> elements = new ArrayList<Element>();

    for (int i = 0; i < node.getChildNodes().getLength(); i++) {
        if (node.getChildNodes().item(i).getNodeType() == ELEMENT_NODE) {
            final Element child = (Element) node.getChildNodes().item(i);

            if (StringUtils.equals(name, child.getNodeName())) {
                elements.add(child);
            }
        }
    }
    return elements;
}

---

From source file:Main.java

public static List<Node> getMatchingChildNodes(Node node, String str, String str2, List<String> list) {
    if (node == null || str == null) {
        return null;
    }/*from   w  w  w .  j a v  a 2 s .  c o m*/
    List<Node> arrayList = new ArrayList();
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node item = childNodes.item(i);
        if (item.getNodeName().equals(str) && nodeMatchesAttributeFilter(item, str2, list)) {
            arrayList.add(item);
        }
    }
    return arrayList;
}

---

From source file:DocWriter.java

private static void writeNode(Node node, Writer out, String indent) throws IOException {
    out.write(nodeWithAttrs(node, indent));
    NodeList kids = node.getChildNodes();
    if (kids != null) {
        if ((kids.item(0) != null) && (kids.item(0).getNodeType() == Node.ELEMENT_NODE)) {
            out.write('\n');
        }/*from  w  w w .j  a v a  2 s  .  co  m*/
        for (int i = 0; i < kids.getLength(); i++) {
            serializeNode(kids.item(i), out, indent + SINGLE_INDENT);
        }
        /* RLR - bug in indent logic - seems to work OK without
           if ( ( kids.item( 0 ) != null ) &&
         ( kids.item( kids.getLength()-1).getNodeType() == Node.ELEMENT_NODE ) )
           {
        out.write( indent );
           }
           */
    }
    if (node.hasChildNodes()) {
        /* indent bug - leave out
        if ( kids.item( 0 ) != null && kids.item( 0 ).getNodeType() == Node.ELEMENT_NODE )
        {
           out.write( indent );
        }
        */
        out.write("</" + node.getNodeName() + ">");
    }
}

---

From source file:Main.java

private static void cleanWhiteList(Node node, ArrayList<String> whiteList) {
    if (whiteList.contains(node.getLocalName())) {
        node.setNodeValue(null);//from w  w  w .  j ava  2 s.c  o m
        node.setTextContent(null);
        // System.err.println("haha");
    }
    NodeList children = node.getChildNodes();
    if (children.getLength() != 0) {
        for (int i = 0; i < children.getLength(); i++)
            cleanWhiteList(children.item(i), whiteList);
    }

}

---

From source file:eu.planets_project.services.utils.cli.CliMigrationPaths.java

private static Set<URI> decodeFromOrToNode(Node urilist) throws URISyntaxException {
    NodeList children = urilist.getChildNodes();
    Set<URI> uris = new HashSet<URI>();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            if (child.getNodeName().equals("uri")) {
                URI uri = decodeURI(child);
                uris.add(uri);//from w  w w.j a va2  s  . co  m
            }
        }
    }
    return uris;
}

---

From source file:com.betfair.testing.utils.cougar.assertions.AssertionUtils.java

private static void doDomSorting(Document doc, XPath xpath, String x)
        throws XPathExpressionException, IOException {
    NodeList parentNodes = (NodeList) xpath.evaluate(x, doc, XPathConstants.NODESET);
    for (int i = 0; i < parentNodes.getLength(); i++) {
        Node n = parentNodes.item(i);
        List<Node> allKids = new ArrayList<>(n.getChildNodes().getLength());
        for (int j = n.getChildNodes().getLength() - 1; j >= 0; j--) {
            allKids.add(n.removeChild(n.getFirstChild()));
        }// w  w  w. j ava2s  .  co m
        final Map<Node, String> kidsToString = new HashMap<>();

        for (Node k : allKids) {
            kidsToString.put(k, toString(k));
        }
        Collections.sort(allKids, new Comparator<Node>() {
            @Override
            public int compare(Node o1, Node o2) {
                return kidsToString.get(o1).compareTo(kidsToString.get(o2));
            }
        });
        for (Node k : allKids) {
            n.appendChild(k);
        }
    }
}

---

From source file:Main.java

/**
 * For the given {@code sourceNode}, read each "top level" element into the resulting {@code Map}. Each element name
 * is a key to the map, each element value is the value paired to the key. Example - anchor is the node, label and
 * href are keys:/*  www.ja  va  2s  .  c o m*/
 *
 * <pre>
 * {@code
 * <anchor>
 *  <label>Slashdot</label>
 *    <href>http://slashdot.org/</href>
 *  </anchor>
 * }
 * </pre>
 */
public static Map<String, String> readNodeElementsToMap(final Node sourceNode) {
    Map<String, String> result = new HashMap<String, String>();

    if (sourceNode == null) {
        return result;
    }

    NodeList childNodes = sourceNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node element = childNodes.item(i);

        if (element.getNodeType() == Node.ELEMENT_NODE) {
            String elementName = element.getNodeName();
            String elementValue = "";
            Node firstChild = element.getFirstChild();

            if (firstChild != null) {
                elementValue = firstChild.getNodeValue();
            }

            if (elementValue != null) {
                result.put(elementName, elementValue);
            }
        }
    }

    return result;
}

---

From source file:Main.java

public static String nodeToString(Node node, boolean inner) throws TransformerException {
    if (!inner) {
        return nodeToString(node);
    } else {/*  w w  w.  j  a  va  2  s. c o  m*/
        StringBuffer buf = new StringBuffer();
        NodeList nodeList = node.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            nodeToString(nodeList.item(i), buf);
        }
        return buf.toString();
    }
}

---

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