Java XML Attribute Exist hasAttribute(Element element, String namespace, String name)

Description

Check if an Element has an attribute.

License

Apache License

Parameter

Parameter	Description
element	the element.
namespace	the Attribute namespace.
name	the Attribute name.

Return

true if attribute exists, false otherwise

Declaration

public static Boolean hasAttribute(Element element, String namespace, String name) 

Method Source Code

//package com.java2s;
/*//from w w w . jav a2 s  .c  o m
 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
 *
 * 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;

public class Main {
    /**
     * Check if an Element has an attribute.
     *
     * @param element the element.
     * @param namespace the Attribute namespace.
     * @param name the Attribute name.
     * @return true if attribute exists, false otherwise
     */
    public static Boolean hasAttribute(Element element, String namespace, String name) {
        String value = getAttribute(element, namespace, name);
        return (value != null);
    }

    /**
     * Get the attribute value of an Element.
     *
     * @param element the element.
     * @param namespace the Attribute namespace.
     * @param name the Attribute name.
     * @return The value of the attribute
     */
    public static String getAttribute(Element element, String namespace, String name) {
        String value = null;
        if (element.hasAttributeNS(namespace, name)) {
            value = element.getAttributeNS(namespace, name);
        } else if (element.hasAttribute(name)) {
            value = element.getAttribute(name);
        }
        return value;
    }
}

Related

1. hasAttribute(Element e, String s)
2. hasAttribute(Element ele, String attrName)
3. hasAttribute(Element element, String attribute)
4. hasAttribute(Element element, String value)
5. hasAttribute(final Node node, final String name)
6. hasAttribute(final Node node, final String name)
7. hasAttribute(Node n, String attr)