Example usage for org.w3c.dom Node getPreviousSibling

Introduction

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

Prototype

public Node getPreviousSibling();

Source Link

Document

The node immediately preceding this node.

Usage

From source file:Main.java

/**
 * Gets the index of the specified element amongst elements with the same
 * name/*from  w ww . ja v a 2s  .  co m*/
 * 
 * @param element
 *           the element to get for
 * @return the index of the element, will be >= 1
 */

public static int getElementIndex(Node element) {
    int result = 1;

    Node elm = element.getPreviousSibling();
    while (elm != null) {
        if (elm.getNodeType() == Node.ELEMENT_NODE && elm.getNodeName().equals(element.getNodeName()))
            result++;
        elm = elm.getPreviousSibling();
    }

    return result;
}

From source file:Main.java

public static int getElementIndex(Node node) {
    String s = node.getNodeName();
    int i = 0;/*  www.java 2s. c o  m*/
    for (Node node1 = node.getPreviousSibling(); node1 != null; node1 = node1.getPreviousSibling())
        if (node1.getNodeName().equals(s) && node1.getNodeType() == 1)
            i++;

    return i;
}

From source file:Main.java

public static Element getLastChild(Element e) {
    if (e == null)
        return null;
    Node n = e.getLastChild();
    while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
        n = n.getPreviousSibling();
    return (Element) n;
}

From source file:Main.java

public static Node getPreviousSiblingElement(Node node) {
    if (node == null)
        return null;
    Node prevSibling = node.getPreviousSibling();
    while ((prevSibling != null) && (prevSibling.getNodeType() != Node.ELEMENT_NODE))
        prevSibling = prevSibling.getPreviousSibling();
    if ((prevSibling != null) && (prevSibling.getNodeType() == Node.ELEMENT_NODE))
        return prevSibling;
    return null;//from   ww  w .  j a va2  s  .c o m
}

From source file:Main.java

public static Element getPrevSibling(Element e) {
    Node n = e.getPreviousSibling();
    while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
        n = n.getPreviousSibling();
    return (Element) n;
}

From source file:Main.java

private final static String getPathElement(final Node n) {
    final String name = getLocalName(n);
    int i = 1;//  w  w  w . j  a  v  a 2  s  .com

    if (n instanceof Attr) {
        return "@" + name; // Still need to check namespaces; could have 2 with same local name
    }

    // Could use attributes/namespaces to distinguish between nodes with the same local name
    // instead of just an index
    Node sib = n;
    while ((sib = sib.getPreviousSibling()) != null) {
        if (name.equals(getLocalName(sib))) {
            i++;
        }
    }
    if (i > 1) {
        return name + "[" + i + "]";
    }

    sib = n;
    while ((sib = sib.getNextSibling()) != null) {
        if (name.equals(getLocalName(sib))) {
            return name + "[1]";
        }
    }

    return name;
}

From source file:Main.java

/**
 * Builds an XPath string referencing the given node relative to it's parent.
 * /*from www.  j  av  a  2  s.c  o m*/
 * @param node
 * @param context namespace context used to determine correct namespace prefixes, see
 *            {@link SignavioNamespaceContext}
 * @return a relative XPath string or null (if no node given)
 */
private static String getNodeString(Node node, NamespaceContext context) {
    if (node == null) {
        return null;
    }

    // get qualified name
    String nodeName = node.getLocalName();
    if (nodeName == null)
        nodeName = node.getNodeName();

    if (node.getNamespaceURI() != null) {
        String prefix = context.getPrefix(node.getNamespaceURI());
        nodeName = prefix + ":" + node.getLocalName();
    }

    if (node instanceof Attr) {
        return "@" + nodeName;
    } else if (node instanceof Text) {
        nodeName = "text()";
    }

    // determine position
    Node current = node;
    while (current.getPreviousSibling() != null) {
        current = current.getPreviousSibling();
    }
    int position = 1;

    while (current != node) {
        if (current.getNodeName().equals(node.getNodeName()))
            position++;
        current = current.getNextSibling();
    }

    return nodeName + "[" + position + "]";
}

From source file:Main.java

public static Node getPrevious(final Node current, final String name, final int type) {
    Node prev = current.getPreviousSibling();
    if (prev == null) {
        return null;
    }/*from  w  w  w . j a v  a  2 s  .  c  o m*/

    for (Node node = prev; node != null; node = node.getPreviousSibling()) {

        if (type >= 0 && node.getNodeType() != type) {
            continue;
        } else {
            if (name == null) {
                return node;
            }
            if (name.equals(node.getNodeName())) {
                return node;
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Get the previous node in a DFS preorder traversal
 *
 * @param node the current node//from  www .  ja  v a2  s  . c  om
 * @return the previous node in the preorder traversal
 */
public static Node getPrevious(Node node) {
    Node previous;

    if (node == null)
        return null;

    if ((previous = node.getPreviousSibling()) != null) {
        for (; previous.getLastChild() != null; previous = previous.getLastChild()) {
        }

        return previous;
    }

    return node.getParentNode();
}

From source file:Main.java

/**
 * Returns the index of element in the list of all elements with the same name in its parent node.
 * If element's parent node is null, this function returns 0.
 *//*from  ww  w.  ja  v  a2  s.c om*/
public static int getElementIndex(Element element) {
    int index = 1;
    Node sibling = element;
    while ((sibling = sibling.getPreviousSibling()) != null) {
        if (sibling instanceof Element) {
            Element siblingElement = (Element) sibling;

            // check if element names and element namespaces match 
            if (element.getLocalName().equals(siblingElement.getLocalName())
                    && (element.getNamespaceURI() == null ? siblingElement.getNamespaceURI() == null
                            : element.getNamespaceURI().equals(siblingElement.getNamespaceURI()))) {
                ++index;
            }
        }
    }
    return index;
}