Example usage for org.w3c.dom NodeList NodeList

Introduction

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

Prototype

NodeList

Source Link

Usage

From source file:Main.java

public static NodeList getChildsByTagName(Element root, String name) {
    final Vector<Node> v = new Vector<Node>();
    NodeList nl = root.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);//from w w  w  .j  a va2s.  c o m
        if (n.getNodeType() == Element.ELEMENT_NODE) {
            Element e = (Element) n;
            if (name.equals("*") || e.getNodeName().equalsIgnoreCase(name))
                v.add(n);
        }
    }

    return new NodeList() {
        public Node item(int index) {
            if (index >= v.size() || index < 0)
                return null;
            else
                return v.get(index);
        }

        public int getLength() {
            return v.size();
        }
    };
}

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From source file:Main.java

/**
 * Provides a NodeList of multiple nodelists
 *///from  w ww  .  jav  a  2 s. c o m
public static NodeList combine(final NodeList... nls) {

    return new NodeList() {
        public Node item(final int index) {
            int offset = 0;
            for (int i = 0; i < nls.length; i++) {
                if (index - offset < nls[i].getLength()) {
                    return nls[i].item(index - offset);
                } else {
                    offset += nls[i].getLength();
                }
            }
            return null;
        }

        public int getLength() {
            int result = 0;
            for (int i = 0; i < nls.length; i++) {
                result += nls[i].getLength();
            }
            return result;
        }
    };
}

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From source file:Main.java

/**
 * XPath re-invented to be maximally compatible.
 * About as popular as reinventing the wheel. Bugger!
 * //from   w  ww .  j  a  v a 2s. c o  m
 * @param element to use as a starting point 
 * @param path simple "xpath-like" expression, sans namespaces (uses only local part)
 * @return NodeList of matching nodes
 */
public static NodeList queryDomNodes(Element element, String path) {
    final List nodeList = new ArrayList(10);
    String steps[] = path.split("/");
    collectResults(element, steps, 0, nodeList);

    return new NodeList() {
        public int getLength() {
            return nodeList.size();
        }

        public Node item(int index) {
            if (index < 0 || index >= nodeList.size())
                return null;
            return (Node) nodeList.get(index);
        }
    };
}

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From source file:Main.java

/**
 * Serialise the supplied W3C DOM subtree.
 *
 * @param node The DOM node to be serialized.
 * @param format Format the output./*from  w w  w  . j ava 2  s .  c  o  m*/
 * @param writer The target writer for serialization.
 * @throws DOMException Unable to serialise the DOM.
 */
public static void serialize(final Node node, boolean format, Writer writer) throws DOMException {
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
        serialize(node.getChildNodes(), format, writer);
    } else {
        serialize(new NodeList() {
            public Node item(int index) {
                return node;
            }

            public int getLength() {
                return 1;
            }
        }, format, writer);
    }
}

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From source file:Main.java

/**
 * Get all immediate element children with the given name. This differs from {@link
 * org.w3c.dom.Element#getElementsByTagName getElementsByTagName} in that this only returns
 * direct children, not all descendents.
 *
 * @param parent    the parent node//w ww  .  ja  v  a2 s.c  om
 * @param childName the name of the children elements to get; may be null or "*" to indicate all
 *                  element children
 * @return the list of children; may be empty
 */
public static NodeList getChildren(Element parent, String childName) {
    final NodeList children = parent.getChildNodes();
    final String filter = (childName != null && !childName.equals("*")) ? childName : null;

    return new NodeList() {
        private List elems;

        {
            elems = new ArrayList();
            for (int idx = 0; idx < children.getLength(); idx++) {
                Node n = children.item(idx);
                if (n.getNodeType() == Node.ELEMENT_NODE && (filter == null || n.getNodeName().equals(filter)))
                    elems.add(n);
            }
        }

        public Node item(int index) {
            return (Node) elems.get(index);
        }

        public int getLength() {
            return elems.size();
        }
    };
}

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From source file:com.marklogic.dom.ElementImpl.java

/** {@inheritDoc} */
@Override//from w w w . j  a  va 2s  . c o  m
public NodeList getChildNodes() {
    return new NodeList() {
        public int getLength() {
            return tree.elemNodeNumChildren[tree.nodeRepID[node]];
        }

        public Node item(int index) {
            return (index < getLength()) ? tree.node(tree.elemNodeChildNodeRepID[tree.nodeRepID[node]] + index)
                    : null;
        }
    };
}

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From source file:com.adaptris.core.services.jdbc.JdbcIteratingDataCaptureServiceImpl.java

private NodeList nodesToProcess(Document doc, XPath xpath) throws XPathExpressionException {
    // initially set the NodeList to be the whole document
    // this ensures it will have one node only and will therefore
    // enable the remaining structure to cope with the optionally
    // iterative process structure
    NodeList nodes = xpath.selectNodeList(doc, "/");

    if (iterates()) {
        nodes = xpath.selectNodeList(doc, getIterationXpath());
    }//ww w.j  av a  2 s.c o m

    // This is a kludge to ensure that we don't get a null pointer exception
    // in the event of a null NodeList and yet still manage to reach the
    // executeUpdate call.
    if (nodes == null) {
        nodes = new NodeList() {
            @Override
            public int getLength() {
                return 1;
            }

            @Override
            public Node item(int i) {
                return null;
            }
        };
    }
    return nodes;
}

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From source file:com.marklogic.dom.DocumentImpl.java

public NodeList getChildNodes() {
    return new NodeList() {

        public int getLength() {
            return getNumChildren();
        }/*from  w  w w .  j  av  a2s . c  om*/

        public Node item(int index) {
            return (index < getNumChildren()) ? tree.node(getFirstChildIndex() + index) : null;
        }
    };
}

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From source file:com.marklogic.dom.NodeImpl.java

protected NodeList getElementsByTagNameNSOrNodeName(String namespaceURI, String name, final boolean nodeName) {

    final String tagname = name;
    final String ns = namespaceURI;
    final Node thisNode = this;

    return new NodeList() {
        protected ArrayList<Node> elementList = new ArrayList<Node>();
        protected boolean done = false;

        protected void init() {
            if (done)
                return;
            Stack<Node> childrenStack = new Stack<Node>();
            childrenStack.push(thisNode);
            boolean root = true;
            while (!childrenStack.isEmpty()) {
                Node curr = childrenStack.pop();
                NodeList children = curr.getChildNodes();
                for (int childi = children.getLength() - 1; childi >= 0; childi--)
                    if (children.item(childi).getNodeType() == Node.ELEMENT_NODE)
                        childrenStack.push(children.item(childi));
                if (root) {
                    root = false;//  w w  w.  j  ava 2  s .  c  o  m
                    continue;
                }
                if (nodeName) {
                    if (curr.getNodeName().equals(tagname) || tagname.equals("*"))
                        elementList.add(curr);
                } else {
                    // do nothing if only one of the two is null
                    if ("*".equals(ns) && "*".equals(tagname)) {
                        elementList.add(curr);
                        continue;
                    }
                    if (ns != null) {
                        if ((ns.equals("*") || ns.equals(curr.getNamespaceURI()))
                                && (tagname.equals("*") || tagname.equals(curr.getLocalName())))
                            elementList.add(curr);
                    } else if (tagname.equals("*") || tagname.equals(curr.getLocalName()))
                        elementList.add(curr);
                }
            }
            done = true;
        }

        public int getLength() {
            init();
            return elementList.size();
        }

        public Node item(int index) {
            init();
            return (index < getLength()) ? elementList.get(index) : null;
        }

    };
}

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From source file:sf.net.experimaestro.utils.JSUtils.java

/**
 * Converts a JavaScript object into an XML document
 *
 * @param srcObject The javascript object to convert
 * @param wrapName  If the object is not already a document and has more than one
 *                  element child (or zero), use this to wrap the elements
 * @return// w  w w  .j a va  2s  . c  om
 */
public static Document toDocument(Scriptable scope, Object srcObject, QName wrapName) {
    final Object object = toDOM(scope, srcObject);

    if (object instanceof Document)
        return (Document) object;

    Document document = XMLUtils.newDocument();

    // Add a new root element if needed
    NodeList childNodes;

    if (!(object instanceof Node)) {
        childNodes = (NodeList) object;
    } else {
        final Node dom = (Node) object;
        if (dom.getNodeType() == Node.ELEMENT_NODE) {
            childNodes = new NodeList() {
                @Override
                public Node item(int index) {
                    if (index == 0)
                        return dom;
                    throw new IndexOutOfBoundsException(Integer.toString(index) + " out of bounds");
                }

                @Override
                public int getLength() {
                    return 1;
                }
            };
        } else
            childNodes = dom.getChildNodes();
    }

    int elementCount = 0;
    for (int i = 0; i < childNodes.getLength(); i++)
        if (childNodes.item(i).getNodeType() == Node.ELEMENT_NODE)
            elementCount++;

    Node root = document;
    if (elementCount != 1) {
        root = document.createElementNS(wrapName.getNamespaceURI(), wrapName.getLocalPart());
        document.appendChild(root);
    }

    // Copy back in the DOM
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        node = node.cloneNode(true);
        document.adoptNode(node);
        root.appendChild(node);
    }

    return document;
}

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