Java XML Attribute Get getAttributeValueByName(NamedNodeMap nnm, String name)

Description

Searches throgh the passed NamedNodeMap for an attribute and returns it if it is found.

License

Apache License

Parameter

Parameter	Description
nnm	NamedNodeMap
name	String

Return

String

Declaration

public static String getAttributeValueByName(NamedNodeMap nnm, String name) 

Method Source Code

//package com.java2s;
/**// w w  w.  j  a v a2 s. c  om
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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.Attr;

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

public class Main {
    /**
     * Searches throgh the passed NamedNodeMap for an attribute and returns it if it is found.
     * If it is not found, returns a null.
     * @param nnm NamedNodeMap
     * @param name String
     * @return String
     */
    public static String getAttributeValueByName(NamedNodeMap nnm, String name) {
        if (nnm == null)
            return null;
        for (int i = 0; i < nnm.getLength(); i++) {
            Attr attr = (Attr) nnm.item(i);
            if (attr.getName().equalsIgnoreCase(name)) {
                return attr.getValue();
            }
        }
        return null;
    }

    /**
     * Returns the attribute value for the passed name in the passed node.
     * @param node the node to get the attribute from
     * @param name the name of the attribute
     * @return The attribute value or null if it is not found.
     */
    public static String getAttributeValueByName(Node node, String name) {
        return getAttributeValueByName(node.getAttributes(), name);
    }
}

Related

1. getAttributeValueAsDouble(Node node, String attributeName)
2. getAttributeValueAsInteger(Node node, String attributeName, Integer defaultValue)
3. getAttributeValueAsLong(final Element el, final String attrName, final long defaultVal)
4. getAttributeValueAsString(Node node)
5. getAttributeValueBoolean(Node node, String attrName)
6. getAttributeValueByName(NamedNodeMap nnm, String name)
7. getAttributeValueByName(Node node, String name)
8. getAttributeValueByName(Node node, String name)
9. getAttributeValueEmptyNull(Element e, String attributeName)