Java XML Child Insert prependChildElement(Element parent, Element child)

Description

prepend a child element

License

Apache License

Parameter

Parameter	Description
parent	element of this child element
child	the element to append

Return

the child element

Declaration

public static Element prependChildElement(Element parent, Element child) 

Method Source Code

//package com.java2s;
/**//from   w  w w  .  j a va2 s  .com
 * 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.Element;

import org.w3c.dom.Node;

public class Main {
    /**
     * prepend a child element <p/>
     * 
     * @param parent element of this child element
     * @param child the element to append
     * @return the child element
     */
    public static Element prependChildElement(Element parent, Element child) {
        Node firstChild = parent.getFirstChild();
        if (firstChild == null) {
            return (Element) parent.appendChild(child);
        } else {
            return (Element) parent.insertBefore(child, firstChild);
        }
    }

    /**
     * prepend a child element <p/>
     * 
     * @param doc the DOM document (SOAP request)
     * @param parent element of this child element
     * @param child the element to append
     * @param addWhitespace if true prepend a newline before child
     * @deprecated use {@link WSSecurityUtil#prependChildElement(Element, Element)}
     * instead
     * @return the child element
     */
    public static Element prependChildElement(Document doc, Element parent,
            Element child, boolean addWhitespace) {
        Node firstChild = parent.getFirstChild();
        Node addedChild;
        if (firstChild == null) {
            addedChild = parent.appendChild(child);
        } else {
            addedChild = parent.insertBefore(child, firstChild);
        }
        if (addWhitespace) {
            Node whitespaceText = doc.createTextNode("\n");
            parent.insertBefore(whitespaceText, addedChild);
        }
        return (Element) addedChild;
    }
}

Related

1. insertAfter(Node newChild, Node refChild)
2. insertAfter(Node parent, Node newChild, Node refChild)
3. prependChild(Element parent, Element child)
4. prependChildElement(Element parent, Element child)