Java XML Child Node Get getChildNodes(final Node node, short... types)

Description

Returns the child nodes of the passed node where the type of the child node is in the passed array of type codes

License

Apache License

Parameter

Parameter	Description
node	The node to return the child nodes of
types	The short codes for the node types

Return

a [possibly empty] list of nodes

Declaration

public static List<Node> getChildNodes(final Node node, short... types) 

Method Source Code

//package com.java2s;
/**//from  w w  w . j  av  a2 s  . c o  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 {
    /**
     * 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. getChildNodeListByTagName(Element parent, String tagName)
2. getChildNodes(Element ele)
3. getChildNodes(final Node node)
4. getChildNodes(final Node node, final short nodetype)
5. getChildNodes(final Node node, final String attributeName, final String value)
6. getChildNodes(final Node parent, boolean recursiveSearch, final String... nodeNames)
7. getChildNodes(Node node)
8. getChildNodes(Node node)
9. getChildNodes(Node node)