htmltitleelementimpl.java

Java的面向对象数据库系统的源代码

/**
 * org/ozone-db/xml/dom/html/HTMLTitleElementImpl.java
 *
 * The contents of this file are subject to the OpenXML Public
 * License Version 1.0; you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://www.openxml.org/license.html
 *
 * THIS SOFTWARE IS DISTRIBUTED ON AN "AS IS" BASIS WITHOUT WARRANTY
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED. THE INITIAL DEVELOPER
 * AND ALL CONTRIBUTORS SHALL NOT BE LIABLE FOR ANY DAMAGES AS A
 * RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING
 * RIGHTS AND LIMITATIONS UNDER THE LICENSE.
 *
 * The Initial Developer of this code under the License is Assaf Arkin.
 * Portions created by Assaf Arkin are Copyright (C) 1998, 1999.
 * All Rights Reserved.
 */

package org.ozoneDB.xml.dom.html;

import org.ozoneDB.xml.dom.ElementImpl;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import org.w3c.dom.html.HTMLTitleElement;


/**
 * @version $Revision: 1.2 $ $Date: 2003/11/20 23:18:42 $
 * @author <a href="mailto:[e-mail]">Assaf Arkin</a>
 * @see org.w3c.dom.html.HTMLTitleElement
 * @see ElementImpl
 */
public final class HTMLTitleElementImpl extends HTMLElementImpl implements HTMLTitleElement {


    public String getText() {
        Node child;
        String text;

        // Find the Text nodes contained within this element and return their
        // concatenated value. Required to go around comments, entities, etc.
        child = getFirstChild();
        text = "";
        while (child != null) {
            if (child instanceof Text) {
                text = text + ((Text)child).getData();
            }
            child = child.getNextSibling();
        }
        return text;
    }


    public void setText( String text ) {
        Node child;
        Node next;

        // Delete all the nodes and replace them with a single Text node.
        // This is the only approach that can handle comments and other nodes.
        child = getFirstChild();
        while (child != null) {
            next = child.getNextSibling();
            removeChild( child );
            child = next;
        }
        insertBefore( getOwnerDocument().createTextNode( text ), getFirstChild() );
    }


    /**
     * Constructor requires owner document.
     *
     * @param owner The owner HTML document
     */
    public HTMLTitleElementImpl( HTMLDocumentImpl owner, String name ) {
        super( owner, "TITLE" );
    }

}