Example usage for org.w3c.dom NamedNodeMap getNamedItem

Introduction

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

Prototype

public Node getNamedItem(String name);

Source Link

Document

Retrieves a node specified by name.

Usage

From source file:Main.java

public static boolean nodeMatchesAttributeFilter(Node node, String str, List<String> list) {
    if (str == null || list == null) {
        return true;
    }/*ww w.  ja v a2 s. com*/
    NamedNodeMap attributes = node.getAttributes();
    if (attributes != null) {
        Node namedItem = attributes.getNamedItem(str);
        if (namedItem != null && list.contains(namedItem.getNodeValue())) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

/**
 * get the value of an Attribute in the Xml Document.
 * finds the first occurance of the parent element and then searches its attributes
 * for the occurance of the attribute and retrieves its value.
 * @param root the root Element.//  ww  w  .  j av  a2s  .com
 * @param elemName the name of the element to search for.
 * @param att the name of the attribute  to search for.
 * @return String the attribute value or null if not found.
 */
public static String getElementAttribute(Element root, String elemName, String att) {
    NodeList nl = root.getElementsByTagName(elemName);
    if (null == nl) {
        return (null);
    }
    Node n = nl.item(0);
    if (null == n) {
        return (null);
    }
    NamedNodeMap attributes = n.getAttributes();
    if (null == attributes) {
        return (null);
    }
    n = attributes.getNamedItem(att);
    if (null == n) {
        return (null);
    }
    return (n.getNodeValue().trim());

}

From source file:Main.java

public static ArrayList<Node> getNodesWithKey(Node parent, String key, Set<String> values,
        boolean all_of_them) {
    ArrayList<Node> valid = new ArrayList<Node>();
    NodeList children = parent.getChildNodes();
    Node current;/* w w  w.  j ava  2  s .  c o  m*/
    for (int i = 0; i < children.getLength(); i++) {
        current = children.item(i);
        NamedNodeMap attrs = current.getAttributes();
        if (attrs != null) {
            Node keynode = attrs.getNamedItem(key);
            if (keynode != null)
                if (values == null || values.contains(keynode.getNodeValue())) {
                    valid.add(current);
                    if (!all_of_them)
                        break;
                }
        }
    }
    return valid;
}

From source file:Main.java

/**
 * @param vertexStyleNode// w ww  . j  a  v a  2 s . co  m
 * @return the WKN
 */
public static String toWellKnowName(Node vertexStyleNode) {
    if (vertexStyleNode == null) {
        return "";
    }

    String value = "square";
    try {

        NamedNodeMap atts = vertexStyleNode.getAttributes();
        String nodeVal = atts.getNamedItem("class").getNodeValue();

        if (nodeVal.indexOf("Square") > -1) {
            // already there
        } else if (nodeVal.indexOf("Circle") > -1) {
            value = "circle";
        } else if (nodeVal.indexOf("Cross") > -1) {
            value = "cross";
        } else if (nodeVal.indexOf("Star") > -1) {
            value = "star";
        } else if (nodeVal.indexOf("Triangle") > -1) {
            value = "triangle";
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
    return value;
}

From source file:Main.java

/**
 * Gets value of an attribute from node. Returns default value if attribute
 * not found.//  w  w  w  .j a va 2 s .c  om
 * 
 * @param node
 *            Node Object
 * @param attributeName
 *            Attribute Name
 * @param defaultValue
 *            Default value if attribute not found
 * @return Attribute Value
 * @throws IllegalArgumentException
 *             for Invalid input
 */
public static String getAttribute(final Node node, final String attributeName, final String defaultValue)
        throws IllegalArgumentException {
    // Validate attribute name
    if (attributeName == null) {
        throw new IllegalArgumentException(
                "Attribute Name " + " cannot be null in XmlUtils.getAttribute method");
    }

    // Validate node
    if (node == null) {
        throw new IllegalArgumentException("Node cannot " + " be null in XmlUtils.getAttribute method for "
                + "Attribute Name:" + attributeName);
    }

    final NamedNodeMap attributeList = node.getAttributes();
    final Node attribute = attributeList.getNamedItem(attributeName);

    // Validate attribute name
    if (attribute == null) {
        return defaultValue;
    }

    return ((Attr) attribute).getValue();
}

From source file:Main.java

/**
 * @param n Node to examine//from w  ww  .  j  a  v  a  2 s .  c  o  m
 * @param attr Attribute to look for
 * @param def Default value to return if attribute is not present
 * @return if the Node contains the named Attribute, the value, if not, the def parameter
 */
public static String getAttribute(Node n, String attr, String def) {
    NamedNodeMap attrs = n.getAttributes();
    if (attrs == null)
        return def;
    Node ret = attrs.getNamedItem(attr);
    if (ret == null)
        return def;
    else
        return ret.getNodeValue();
}

From source file:Main.java

/**
 * Get the attribute value from specified node.
 * //from   w  w  w . j  a va 2s .  co  m
 * @param node
 *          the node
 * @param attributeName
 *          the attribute name
 * @return the attribut value
 */
public static String getNodeAttribute(Node node, String attributeName) {
    if (null == node) {
        return null;
    }
    NamedNodeMap attributes = node.getAttributes();
    if (null == attributes) {
        return null;
    }
    Node n = attributes.getNamedItem(attributeName);
    if (null == n) {
        return null;
    }
    return n.getNodeValue();
}

From source file:Main.java

/**
 * Returns {@code true} iff the node has the attribute {@code attributeName} with a value that
 * matches one of {@code attributeValues}.
 *//*from www . ja va 2 s . c o m*/
static boolean nodeMatchesAttributeFilter(final Node node, final String attributeName,
        final List<String> attributeValues) {
    if (attributeName == null || attributeValues == null) {
        return true;
    }

    final NamedNodeMap attrMap = node.getAttributes();
    if (attrMap != null) {
        Node attrNode = attrMap.getNamedItem(attributeName);
        if (attrNode != null && attributeValues.contains(attrNode.getNodeValue())) {
            return true;
        }
    }

    return false;
}

From source file:Main.java

/**
 * Gets a string value of the given attribute
 * @param node/*  w  ww. j  a va  2s.  c o m*/
 * @param attrName
 * @param defaultValue
 * @return
 */
public static String getValue(Node node, String attrName, String defaultValue) {
    Node tmp;
    if (node == null)
        return defaultValue;

    NamedNodeMap attrs = node.getAttributes();
    if (attrs == null)
        return defaultValue;

    String value = (tmp = attrs.getNamedItem(attrName)) != null ? tmp.getNodeValue() : null;

    if (value == null)
        return defaultValue;

    return value;
}

From source file:Main.java

/**
 * @param node/*from w ww.j  ava  2  s .co m*/
 * @param attributeName
 * @return
 */
public static String getNodeAttribute(Node node, String attributeName) {
    String sRetValue = null;
    NamedNodeMap attributes = node.getAttributes();
    if (attributes != null) {
        //--- Find the attribute 
        Node attrib = attributes.getNamedItem(attributeName);
        if (attrib != null) {
            //--- Get the attribute value
            sRetValue = attrib.getNodeValue();
        }
    }
    return sRetValue;
}