Android XML Node List Search findFirstNodeByAttribute(NodeList list, String attrName, String attrValue)

Description

find First Node By Attribute

Declaration

public static Node findFirstNodeByAttribute(NodeList list,
            String attrName, String attrValue) 

Method Source Code

//package com.java2s;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static Node findFirstNodeByAttribute(NodeList list,
            String attrName, String attrValue) {
        for (int i = 0; i < list.getLength(); i++) {
            Node node = list.item(i);
            String nodeAttrValue = getElementAttr(node, attrName);
            if (nodeAttrValue != null && attrValue.equals(nodeAttrValue)) {
                return node;
            }//from   w  ww.  j  a  v a2s  .  c o  m
        }

        return null;
    }

    public static String getElementAttr(Node element, String attrName) {
        if (element.getAttributes() != null) {
            for (int i = 0; i < element.getAttributes().getLength(); i++) {
                Node child = element.getAttributes().item(i);
                if (child.getNodeName().equals(attrName)) {
                    return child.getNodeValue();
                }
            }
        }

        return null;
    }
}