Java XML Attribute Get getAttribute(Element el, String attrName)

Here you can find the source of getAttribute(Element el, String attrName)

Description

Returns the value of an attribute of an element.

License

Apache License

Parameter

Parameter Description
el Element whose attrib is looked for
attrName name of attribute to look for

Return

the attribute value

Declaration

static public String getAttribute(Element el, String attrName) 

Method Source Code


//package com.java2s;
/*/*from w w  w  .java  2  s .  co m*/
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "SOAP" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2000, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import org.w3c.dom.*;

public class Main {
    /**
     * Returns the value of an attribute of an element. Returns null
     * if the attribute is not found (whereas Element.getAttribute
     * returns "" if an attrib is not found).
     *
     * @param el       Element whose attrib is looked for
     * @param attrName name of attribute to look for 
     * @return the attribute value
     */
    static public String getAttribute(Element el, String attrName) {
        String sRet = null;
        Attr attr = el.getAttributeNode(attrName);

        if (attr != null) {
            sRet = attr.getValue();
        }
        return sRet;
    }
}

Related

  1. getAttribute(Element e, String name)
  2. getAttribute(Element e, String name)
  3. getAttribute(Element e, String name)
  4. getAttribute(Element el, String attrName)
  5. getAttribute(Element el, String attrName)
  6. getAttribute(Element elem, String attName, boolean mandatory)
  7. getAttribute(Element elem, String attName, boolean mandatory)
  8. getAttribute(Element elem, String name, String def)
  9. getAttribute(Element element, String attr)