Java XML Child Node Get getChildNodes(final Node node, final String attributeName, final String value)

Description

get Child Nodes

License

LGPL

Declaration

public static Node[] getChildNodes(final Node node, final String attributeName, final String value) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.util.ArrayList;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static Node[] getChildNodes(final Node node, final String attributeName, final String value) {
        final ArrayList nodeList = new ArrayList();
        final NodeList childs = node.getChildNodes();
        String readValue = null;//from   w w  w .jav a 2  s . c  o m
        for (int i = 0; i < childs.getLength(); i++) {
            readValue = getAttribute(childs.item(i), attributeName);
            if (value.equals(readValue)) {
                nodeList.add(childs.item(i));
            }
        } //next child node
        final Node[] result = new Node[nodeList.size()];
        nodeList.toArray(result);
        return result;
    }

    public static Node[] getChildNodes(final Node node, final String elementName) {
        final ArrayList nodeList = new ArrayList();
        final NodeList childs = node.getChildNodes();
        String nodeName = null;
        for (int i = 0; i < childs.getLength(); i++) {
            nodeName = childs.item(i).getNodeName();
            if (nodeName != null && nodeName.equals(elementName)) {
                nodeList.add(childs.item(i));
            }
        } //next child node
        final Node[] result = new Node[nodeList.size()];
        nodeList.toArray(result);
        return result;
    }

    public static String getAttribute(final Node node, final String attributeName) {
        final NamedNodeMap tmpMap = node.getAttributes();
        if (tmpMap == null) {
            return null;
        }
        final Node tmpNode = tmpMap.getNamedItem(attributeName);
        if (tmpNode == null) {
            return null;
        }
        return tmpNode.getNodeValue();
    }

    public static String[] getAttributes(final Node node, final String[] attributeNames) {
        final String[] valueList = new String[attributeNames.length];
        final NamedNodeMap attMap = node.getAttributes();
        Node tmpNode = null;
        for (int i = 0; i < attributeNames.length; i++) {
            try {
                tmpNode = attMap.getNamedItem(attributeNames[i]);
                valueList[i] = tmpNode.getNodeValue();
            } catch (Exception e) {
                valueList[i] = "";
            }
        } // next attribute
        return valueList;
    }
}

Related

1. getChildNodeGentle(Node node, String namespace, String localname)
2. getChildNodeListByTagName(Element parent, String tagName)
3. getChildNodes(Element ele)
4. getChildNodes(final Node node)
5. getChildNodes(final Node node, final short nodetype)
6. getChildNodes(final Node node, short... types)
7. getChildNodes(final Node parent, boolean recursiveSearch, final String... nodeNames)
8. getChildNodes(Node node)
9. getChildNodes(Node node)