Example usage for org.w3c.dom Node ELEMENT

Introduction

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

Prototype

short ELEMENT_NODE

To view the source code for org.w3c.dom Node ELEMENT_NODE.

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Document

The node is an Element.

Usage

From source file:Main.java

public static List<Element> elements(Element root, String tagName) {
    List<Element> L = new ArrayList<Element>();
    if (root == null)
        return L;
    for (Node n1 = root.getFirstChild(); n1 != null; n1 = n1.getNextSibling()) {
        if (n1.getNodeType() != Node.ELEMENT_NODE)
            continue;
        Element e2 = Element.class.cast(n1);
        if (e2.getTagName().equals(tagName)) {
            L.add(e2);/*from   w ww  . j a  va 2  s.  co m*/
        }
    }
    return L;
}

From source file:Main.java

/***************************************************************************
 * Sets the value of the first child under the given element with the given
 * name. If the child has no nodes, one is created.
 * /*from w ww .j  a  va  2s.  c  o m*/
 * @param doc
 * @param e
 * @param name
 * @param value
 * @return
 * @throws Exception
 **************************************************************************/
public static boolean setChildValueByName(Document doc, Element e, String name, String value) throws Exception {
    NodeList childNodes = e.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;

        if (node.getNodeName().equals(name)) {
            Node child = node.getFirstChild();
            if (child == null)
                ((Element) node).appendChild(doc.createTextNode(value));
            else
                child.setNodeValue(value);

            return true;
        }
    }

    return false;
}

From source file:Main.java

public static List<Element> getSubChildElementList(Element ele, String[] tagnames) {
    if (ele == null) {
        return null;
    }//from  w  ww. ja  va  2s. com

    List<Element> v = new ArrayList<Element>();

    // boolean isall = false;

    NodeList tmpnl = ele.getChildNodes();

    Node tmpn = null;

    int k;
    for (k = 0; k < tmpnl.getLength(); k++) {
        tmpn = tmpnl.item(k);

        if (tmpn.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }

        Element eee = (Element) tmpn;
        String noden = eee.getNodeName();
        int p = noden.indexOf(':');
        if (p >= 0)
            noden = noden.substring(p + 1);

        for (String tagname : tagnames) {
            if (tagname.equals(noden) || tagname.equals("*")) {
                v.add(eee);
                break;
            }
        }
    }

    return v;
}

From source file:Main.java

private static String prettyPrintDom(Node node, String indent, boolean isRoot, boolean escapeStrings) {
    String ret = "";
    switch (node.getNodeType()) {

    case Node.DOCUMENT_NODE:
        // recurse on each child
        NodeList nodes = node.getChildNodes();
        if (nodes != null) {
            for (int i = 0; i < nodes.getLength(); i++) {
                ret += prettyPrintDom(nodes.item(i), indent, isRoot, escapeStrings);
            }// www.  ja v a2  s .  c  om
        }
        break;

    case Node.ELEMENT_NODE:
        String name = node.getNodeName();
        ret += indent + "<" + name;
        NamedNodeMap attributes = node.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node current = attributes.item(i);
            ret += " " + current.getNodeName() + "=\""
                    + ((escapeStrings) ? escapeStringForXML(current.getNodeValue()) : current.getNodeValue())
                    + "\"";
        }
        ret += ">";

        // recurse on each child
        NodeList children = node.getChildNodes();
        if (children != null) {
            for (int i = 0; i < children.getLength(); i++) {
                String tmp = prettyPrintDom(children.item(i), indent + ((isRoot) ? "" : BI), false,
                        escapeStrings);
                if (!tmp.replaceAll("[\\s]+", "").equals(""))
                    if (tmp.endsWith("\n"))
                        if (ret.endsWith("\n"))
                            ret += tmp;
                        else
                            ret += "\n" + tmp;
                    else
                        ret += tmp;
            }
        }
        if (ret.endsWith("\n"))
            ret += indent + "</" + name + ">\n";
        else
            ret += "</" + name + ">\n";
        break;

    case Node.TEXT_NODE:
        ret += (escapeStrings) ? escapeStringForXML(node.getNodeValue()) : node.getNodeValue();
        break;

    case Node.COMMENT_NODE:
        ret += "<!-- " + node.getNodeValue() + " -->";
        break;
    }
    return ret;
}

From source file:Main.java

public static final String getComment(Element elem) {
    StringBuffer sb = new StringBuffer();
    Node node = elem.getPreviousSibling();
    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            break;
        }//www.  j a  va2  s . c  om
        if (node.getNodeType() == Node.COMMENT_NODE) {
            if (sb.length() > 0) {
                sb.insert(0, '\n');
                sb.insert(0, ((Comment) node).getData());
            } else {
                sb.append(((Comment) node).getData());
            }
        }
        node = node.getPreviousSibling();
    }
    return sb.toString();
}

From source file:Main.java

public static Element getNextSiblingElement(Element elem) {
    if (elem == null) {
        return null;
    }//www. j  a  v a  2s. co  m

    for (Node n = elem.getNextSibling(); n != null; n = n.getNextSibling()) {
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) n;
        }
    }

    return null;
}

From source file:Main.java

public static String getElementValue(final Node sourceNode) {
    String result = null;/*from   w  ww  .  j  a  v  a  2  s  . c  om*/
    if (sourceNode == null) {
        return result;
    }

    if (sourceNode.getNodeType() == Node.ELEMENT_NODE) {
        Node firstChild = sourceNode.getFirstChild();

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

    return result;
}

From source file:Main.java

/**
 * @param element The element whose ancestry we will check
 * @param tagName The tagName of the element we are searching for in the ancestry
 * @param limitTagName Stop searching if we hit this limit
 * @return The first matching element, if found
 *//*  w w w . j  a  va2  s  .c om*/
public static Element getAncestorOrSelf(final Element element, final String tagName,
        final String limitTagName) {
    Element result = null;
    Element next = element;
    String currentTagName;
    do {
        currentTagName = next.getTagName();
        if (currentTagName.equals(tagName)) {
            result = next;
            break;
        } else {
            Node parent = next.getParentNode();
            if (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
                next = (Element) parent;
            } else {
                break;
            }
        }
    } while (next != null && (limitTagName == null || !tagName.equals(limitTagName)));
    return result;
}

From source file:Main.java

public static ArrayList<String> getNodeListAttValAsStringCol(String Xpath, Node node, String attrName)
        throws Exception {
    ArrayList<String> retV = new ArrayList<String>();

    NodeList nl = getNodesListXpathNode(Xpath, node);
    int l = nl.getLength();
    Element e = null;/*from   ww w . ja va 2  s.  c  o  m*/
    String val = "";

    for (int i = 0; i < l; i++) {
        e = (Element) nl.item(i);
        if (e.getNodeType() == Node.ELEMENT_NODE) {
            val = e.getAttribute(attrName);
            if (val != null && val.length() > 0) {
                //log.info("getNodeListAttValAsStringCol val = "+val +" attname = "+attrName);
                /*try {
                   log.info(convertToStringLeaveCDATA(e));
                }catch(Exception E) {
                   E.printStackTrace();
                }*/
                retV.add(val);
            }
        }
    }
    return retV;
}

From source file:Main.java

public static Element getPreviousSiblingElement(Element elem) {
    if (elem == null) {
        return null;
    }//from  w w w.  j  a v  a 2s . c  o m

    for (Node n = elem.getPreviousSibling(); n != null; n = n.getPreviousSibling()) {
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) n;
        }
    }

    return null;
}

Example usage for org.w3c.dom Node ELEMENT_NODE

Introduction

Prototype

Document

Usage