Java XML Child Node Get getChildNodeByName(final Node xnode, final String name, final boolean caseSensitive)

Here you can find the source of getChildNodeByName(final Node xnode, final String name, final boolean caseSensitive)

Description

Helper Method.

License

Apache License

Parameter

Parameter Description
xnode the node to get the child node from
name the name of the child node to search for
caseSensitive boolean true for case sensitive name matching, false otherwise

Return

the located node or null if one was not found

Declaration


public static Node getChildNodeByName(final Node xnode, final String name, final boolean caseSensitive) 

Method Source Code

//package com.java2s;
/**//  ww  w .ja v a 2  s.co m
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 a node and returns the first node with a matching name.
     * @param xnode the node to get the child node from
     * @param name the name of the child node to search for
     * @param caseSensitive boolean true for case sensitive name matching, false otherwise
     * @return the located node or null if one was not found
     */

    public static Node getChildNodeByName(final Node xnode, final String name, final boolean caseSensitive) {
        NodeList list = xnode.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            Node node = list.item(i);
            if (caseSensitive) {
                if (node.getNodeName().equals(name))
                    return node;
            } else {
                if (node.getNodeName().equalsIgnoreCase(name))
                    return node;
            }
        }
        return null;
    }

    /**
     * Helper Method. Searches through the child nodes of a node and returns the first node with a matching name, case insensitive.
     * @param xnode the node to get the child node from
     * @param name the name of the child node to search for
     * @return the located node or null if one was not found
     */

    public static Node getChildNodeByName(final Node xnode, final String name) {
        return getChildNodeByName(xnode, name, false);
    }

    /**
     * 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. getChildNode(Node parent, String tagName)
  2. getChildNode(Node parentNode, String childElementName)
  3. getChildNode(Node root, String childName)
  4. getChildNode(Node rootNode, String childName)
  5. getChildNodeByLocalName(final Node parentNode, final String localNodeName)
  6. getChildNodeByName(Node element, CharSequence nodeName, boolean caseSensitive)
  7. getChildNodeByName(Node node, String childName)
  8. getChildNodeByName(Node node, String name)
  9. getChildNodeByTagName(Node node, String name)