Java XML Attribute Get getAttributeValue(Element e, String key)

Description

This returns the attribute value for the attribute of the input element with the given name and within no namespace.

License

Open Source License

Parameter

Parameter	Description
e	the Node
key	the attribute name

Declaration

public static String getAttributeValue(Element e, String key) 

Method Source Code

//package com.java2s;
/*/* w w  w.  ja v a2s .  c o  m*/
 * ? Copyright IBM Corp. 2012
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at:
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
 * implied. See the License for the specific language governing 
 * permissions and limitations under the License.
 */

import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    /**
     * This returns the attribute value for the attribute of the input element
     * with the given name and within no namespace. Returns null if there is
     * no such attribute, and the empty string if the attribute value is empty.
     * @param e the Node
     * @param key the attribute name
     * @return
     */
    public static String getAttributeValue(Element e, String key) {
        String value = null;
        NamedNodeMap map = e.getAttributes();
        Node keyNode = map.getNamedItem(key);
        if (keyNode != null) {
            value = keyNode.getNodeValue();
        }
        return value;
    }
}

Related

1. getAttributeTable(Element element)
2. getAttributeText(final Node node, final String name)
3. getAttributeTextContent(Node node, String attiribute_name)
4. getAttributeUri(Element leaf, Element parent, String defaultBaseUri)
5. getAttributeValue(@Nonnull final Element aElement, @Nonnull final String sAttrName)
6. getAttributeValue(Element e, String name)
7. getAttributeValue(Element el, String attributeName)
8. getAttributeValue(Element el, String attributeName)
9. getAttributeValue(Element el, String attrName)