Java XML Child Node Get getChildNodesByName(Node element, String name, boolean caseSensitive)

Description

Helper Method.

License

Apache License

Parameter

Parameter	Description
element	Element
name	String
caseSensitive	boolean

Return

ArrayList

Declaration

public static List<Node> getChildNodesByName(Node element, String name, boolean caseSensitive) 

Method Source Code

//package com.java2s;
/**/* w  w  w. jav a2s  .  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 java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

import java.util.List;

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

public class Main {
    /**
     * Helper Method. Searches through the child nodes of an element and returns an array of the matching nodes.
     * @param element Element
     * @param name String
     * @param caseSensitive boolean
     * @return ArrayList
     */
    public static List<Node> getChildNodesByName(Node element, String name, boolean caseSensitive) {
        ArrayList<Node> nodes = new ArrayList<Node>();
        NodeList list = element.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            Node node = list.item(i);
            if (caseSensitive) {
                if (node.getNodeName().equals(name))
                    nodes.add(node);
            } else {
                if (node.getNodeName().equalsIgnoreCase(name))
                    nodes.add(node);
            }
        }
        return nodes;
    }

    /**
     * Returns the child nodes of the passed node where the type of the child node is in the passed array of type codes
     * @param node The node to return the child nodes of
     * @param types The short codes for the node types
     * @return a [possibly empty] list of nodes
     */
    public static List<Node> getChildNodes(final Node node, short... types) {
        if (node == null)
            return Collections.emptyList();
        if (types == null || types.length == 0)
            return Collections.emptyList();
        final List<Node> nodes = new ArrayList<Node>();
        for (Node n : nodeListToList(node.getChildNodes())) {
            if (Arrays.binarySearch(types, n.getNodeType()) >= 0) {
                nodes.add(n);
            }
        }
        return nodes;
    }

    /**
     * Returns the node in the passed node list as a list of nodes
     * @param nodeList The node list to render
     * @return a [possibly empty] list of nodes
     */
    public static List<Node> nodeListToList(final NodeList nodeList) {
        if (nodeList == null)
            return Collections.emptyList();
        final int size = nodeList.getLength();
        if (size == 0)
            return Collections.emptyList();
        final List<Node> nodes = new ArrayList<Node>(size);
        for (int i = 0; i < size; i++) {
            nodes.add(nodeList.item(i));
        }
        return nodes;
    }
}

Related

1. getChildNodes(Node parentNode, String childName)
2. getChildNodes(Node parentNode, String childNodeName)
3. getChildNodes(Node rootNode, String childName)
4. getChildNodesByName(Element parent, String name)
5. getChildNodesByName(Node element, String name, boolean caseSensitive)
6. getChildNodesByName(Node element, String name, boolean caseSensitive)
7. getChildNodesByName(Node node, String name)
8. getChildNodesByTagName(final Element element, final String tagName)
9. getChildNodesWithName(Node node, String name)