Java XML Node Append appendChild(Node parent, Node child)

Description

Checks if child element has same owner document before appending to the parent, and imports it to the parent's document if necessary.

License

Apache License

Declaration

public static void appendChild(Node parent, Node child) 

Method Source Code

//package com.java2s;
/**/*from  w w  w .  jav 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 org.w3c.dom.Document;

import org.w3c.dom.Node;

public class Main {
    /**
     * Checks if child element has same owner document before
     * appending to the parent, and imports it to the parent's document
     * if necessary.
     */
    public static void appendChild(Node parent, Node child) {
        Document ownerDoc = getOwnerDocument(parent);
        if (child.getOwnerDocument() != ownerDoc) {
            parent.appendChild(ownerDoc.importNode(child, true));
        } else {
            parent.appendChild(child);
        }
    }

    /**
     * Returns the owner document of the specified node.
     *
     * @param node the node
     * @return the owner document
     */
    public static Document getOwnerDocument(Node node) {
        if (node.getNodeType() == Node.DOCUMENT_NODE) {
            return (Document) node;
        } else {
            return node.getOwnerDocument();
        }
    }
}

Related

1. addComment(Node node, String comment)
2. addDescendants(Node node, List descendants)
3. addImageSource(Node test, List holder)
4. addNodeValue(Node node, String name, boolean value)
5. addValue(Node node, String value)
6. appendForeignChild(Node node, Node foreignChild)
7. canAppend(Node node, Node parentNode)