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 String getAttribute(Node node, String name) {
    NamedNodeMap namedNodeMap = node.getAttributes();
    if (namedNodeMap == null) {
        return null;
    }/*from www  .  j a v a 2s. com*/
    Node attrNode = namedNodeMap.getNamedItem(name);
    if (attrNode == null) {
        return null;
    }
    return attrNode.getNodeValue();
}

From source file:Main.java

public static String getNodeAttributeValue(String attrName, Node node) {
    if (node == null || attrName == null) {
        return null;
    }//from   w ww  .  j a  v  a  2 s. com

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

    Node attrNode = attrs.getNamedItem(attrName);
    if (attrNode != null) {
        return attrNode.getNodeValue();
    } else {
        return null;
    }
}

From source file:Main.java

/**
 * Get string value of specified attribute. If attribute isn't defined return defValue.
 * @param attribs NamedNodeMap/*from   w  w  w.  j  a v a 2  s .  c  o  m*/
 * @param attributeName String
 * @param defValue String
 * @return String
 * @throws DOMException
 */
public static String getAttributeValue(NamedNodeMap attribs, String attributeName, String defValue)
        throws DOMException {
    if (attribs.getNamedItem(attributeName) != null) {
        return attribs.getNamedItem(attributeName).getNodeValue();
    } else {
        return defValue;
    }
}

From source file:Main.java

@CheckForNull
public static Node nodeAttribute(Node node, String attribute) {
    NamedNodeMap attributes = node.getAttributes();
    if (attributes == null) {
        return null;
    }// ww  w  . jav a 2s.com
    return attributes.getNamedItem(attribute);
}

From source file:Main.java

/**
 * A safe way of getting attribute value of attribute with given name. If attribute with given name
 * doesn't exist, returns null//  www.  j  a v  a2  s.c o  m
 * (instead of NPE).
 * 
 * @param node
 * @param attributeName
 * @return
 */
public static String getAttribute(Node node, String attributeName) {
    if (node == null)
        return null;

    NamedNodeMap attributes = node.getAttributes();
    if (attributes == null)
        return null;

    Node attribute = attributes.getNamedItem(attributeName);
    if (attribute == null)
        return null;

    return attribute.getTextContent();
}

From source file:Main.java

/**
 * Get the value of the attribute with the given name of the first tag found with the given tag name in the given
 * document<br/>.//from w  w  w .j  av  a2 s .  c om
 *
 * @param doc
 * @param tagName
 * @param attributeName
 * @return the value of the attribute with the given name of the node or the empty string, if no node with this name
 * exits in this document or the attribute does not exist
 */
public static String getTagAttributeValue(Document doc, String tagName, String attributeName) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        NamedNodeMap attributes = tagList.item(0).getAttributes();
        if (attributes != null) {
            Node attribute = attributes.getNamedItem(attributeName);
            if (attribute != null) {
                return attribute.getNodeValue().trim();
            }
        }
    }
    return "";
}

From source file:Utils.java

public static String getAttribute(Node element, String attName) {
    NamedNodeMap attrs = element.getAttributes();
    if (attrs == null) {
        return null;
    }//  w  w  w. j av a2s.c  om
    Node attN = attrs.getNamedItem(attName);
    if (attN == null) {
        return null;
    }
    return attN.getNodeValue();
}

From source file:Main.java

public static String getAttributeValue(Node elementNode, String attributeName) {
    if (elementNode == null) {
        return null;
    }/*  www  . jav a 2  s .co  m*/
    NamedNodeMap attributes = elementNode.getAttributes();
    if (attributes == null) {
        return null;
    }
    Node attribute = attributes.getNamedItem(attributeName);
    if (attribute == null) {
        return null;
    }
    return attribute.getNodeValue();
}

From source file:Main.java

/**
 *  Sets a named attribute of a Node//from  w w  w .j a  v a 2 s.  c om
 *  @param node The node
 *  @param attr The name of the attribute to set
 *  @param value The value to assign to the attribute
 */
public synchronized static void setAttribute(Node node, String attr, String value) {
    if (node == null)
        throw new IllegalArgumentException("Node argument cannot be null");
    if (attr == null)
        throw new IllegalArgumentException("Node attribute argument cannot be null");
    if (value == null)
        throw new IllegalArgumentException("Node attribute value argument cannot be null");

    Node attrN = null;
    NamedNodeMap map = node.getAttributes();
    if (map != null)
        attrN = map.getNamedItem(attr);

    if (attrN == null) {
        attrN = node.getOwnerDocument().createAttribute(attr);
        map.setNamedItem(attrN);
    }

    attrN.setNodeValue(value);
}

From source file:Main.java

/**
 * @return the attribute value or null/*  w ww  . ja v  a2  s. com*/
 */
public static String getAttributeValue(Node node, String attributeName) {
    NamedNodeMap attributes = node.getAttributes();
    if (attributes == null)
        return (null);

    Node tempNode = attributes.getNamedItem(attributeName);
    if (tempNode == null)
        return (null);

    return (tempNode.getNodeValue());
}