Example usage for org.w3c.dom Element getAttribute

Introduction

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

Prototype

public String getAttribute(String name);

Source Link

Document

Retrieves an attribute value by name.

Usage

From source file:Main.java

/**
 * Finds and returns the next sibling node with the given name and
 * attribute name, value pair. Since only elements have attributes,
 * the node returned will be of type Node.ELEMENT_NODE.
 *//*w w  w  .ja va  2  s  .  c o  m*/
public static Element getNextSiblingElement(Node node, String elemName, String attrName, String attrValue) {

    // search for node
    Node sibling = node.getNextSibling();
    while (sibling != null) {
        if (sibling.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) sibling;
            if (element.getNodeName().equals(elemName) && element.getAttribute(attrName).equals(attrValue)) {
                return element;
            }
        }
        sibling = sibling.getNextSibling();
    }

    // not found
    return null;

}

From source file:Main.java

public static String fetchSubElementValue(Element parent, String subElementName, String lang) {
    Collection<Element> elements = fetchSubElements(parent, subElementName);

    lang = lang.toUpperCase();// w w  w  . ja v  a  2 s.c  o m

    for (Element e : elements) {
        String lng = e.getAttribute("xml:lang");
        if (lng != null && lang.equals(lng.toUpperCase())) {
            return getTextContent(e);
        }
    }

    return fetchSubElementValue(parent, subElementName);
}

From source file:Main.java

/**
 * Adds a reference for the given object to the references map if it has a refId
 *
 * @author Tristan Bepler//from   w ww . ja va 2 s . c o m
 */
private static void addReference(Element cur, Map<Integer, Object> references, Object o) {
    if (cur.hasAttribute(REF_ID)) {
        int id = Integer.parseInt(cur.getAttribute(REF_ID));
        references.put(id, o);
    }
}

From source file:Main.java

public static int getOptionalInt(Element element, String attribute, int defaultValue) {
    if (element.hasAttribute(attribute)) {
        String s = element.getAttribute(attribute);

        if (s.startsWith("+")) {
            s = s.substring(1);//from w w  w  . ja  v  a 2s. c  om
        }

        return Integer.parseInt(s);
    }
    return defaultValue;
}

From source file:Main.java

/**
 * Return the first child Element with the given name; if name is null returns the first element.
 *///from w  w  w.j ava2  s .  c o  m
public static Element firstChildElement(Element element, String childElementName, String attrName,
        String attrValue) {
    if (element == null)
        return null;
    // get the first element with the given name
    Node node = element.getFirstChild();

    if (node != null) {
        do {
            if (node.getNodeType() == Node.ELEMENT_NODE
                    && (childElementName == null || childElementName.equals(node.getNodeName()))) {
                Element childElement = (Element) node;

                String value = childElement.getAttribute(attrName);

                if (value != null && value.equals(attrValue)) {
                    return childElement;
                }
            }
        } while ((node = node.getNextSibling()) != null);
    }
    return null;
}

From source file:Main.java

/**
 * Looks through all child elements of the specified root (recursively) and
 * returns the elements that corresponds to all parameters.
 *
 * @param root the Element where the search should begin
 * @param tagName the name of the node we're looking for
 * @param keyAttributeName the name of an attribute that the node has to
 *            have//from  w  ww  . j av  a 2  s.c  o m
 * @param keyAttributeValue the value that attribute must have
 * @return list of Elements in the tree under root that match the specified
 *         parameters.
 * @throws NullPointerException if any of the arguments is null.
 */
public static List<Element> locateElements(Element root, String tagName, String keyAttributeName,
        String keyAttributeValue) {
    List<Element> result = new ArrayList<Element>();
    NodeList nodes = root.getChildNodes();
    Node node;
    int len = nodes.getLength();
    for (int i = 0; i < len; i++) {
        node = nodes.item(i);
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;

        // is this the node we're looking for?
        if (node.getNodeName().equals(tagName)) {
            Element element = (Element) node;
            String attr = element.getAttribute(keyAttributeName);

            if (attr != null && attr.equals(keyAttributeValue))
                result.add(element);
        }

        // look inside.

        List<Element> childs = locateElements((Element) node, tagName, keyAttributeName, keyAttributeValue);

        if (childs != null)
            result.addAll(childs);

    }

    return result;
}

From source file:Main.java

public static int attributeIntValue(Element e, String attr, Integer defaultValue) {
    if (!e.hasAttribute(attr)) {
        return defaultValue;
    }//  w w  w. j a  va2  s. co  m
    if (e.getAttribute(attr).equals("yes") || e.getAttribute(attr).equals("true")) {
        return 1;
    }
    return Integer.parseInt(e.getAttribute(attr));
}

From source file:Main.java

public static Integer attributeIntValue(Element e, String attr, Integer defaultValue) {
    if (!e.hasAttribute(attr)) {
        return defaultValue;
    }/*  w  w  w .j a  va2  s  . com*/
    if (e.getAttribute(attr).equals("yes") || e.getAttribute(attr).equals("true")) {
        return 1;
    }
    return Integer.parseInt(e.getAttribute(attr));
}

From source file:Utils.java

/**
 * Recursive method to find a given attribute value
 *///from  w  w  w.  ja va2  s. com
public static String recursiveGetAttributeValue(Element element, String attributeName) {
    String answer = null;
    try {
        answer = element.getAttribute(attributeName);
    } catch (Exception e) {

    }
    if (answer == null || answer.length() == 0) {
        Node parentNode = element.getParentNode();
        if (parentNode instanceof Element) {
            return recursiveGetAttributeValue((Element) parentNode, attributeName);
        }
    }
    return answer;
}

From source file:Main.java

public static String getAttributeFromElement(Element element, String name, String attributeName) {
    String result = null;/*  ww w  .jav a2s  .  com*/
    Element nameElement = (Element) element.getElementsByTagName(name).item(0);
    if (nameElement != null) {
        result = nameElement.getAttribute(attributeName).toString();
    }
    if (result != null && result.length() == 0) {
        result = null;
    }
    return result;
}