/*
* 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.
*/
package org.apache.html.dom;
import org.apache.xerces.dom.DOMImplementationImpl;
import org.w3c.dom.DOMException;
import org.w3c.dom.html.HTMLDOMImplementation;
import org.w3c.dom.html.HTMLDocument;
/**
* Provides number of methods for performing operations that are independent
* of any particular instance of the document object model. This class is
* unconstructable, the only way to obtain an instance of a DOM implementation
* is by calling the static method {@link #getDOMImplementation}.
*
* @xerces.internal
*
* @version $Revision: 645327 $ $Date: 2008-04-06 19:17:54 -0400 (Sun, 06 Apr 2008) $
* @author <a href="mailto:arkin@exoffice.com">Assaf Arkin</a>
* @see org.w3c.dom.DOMImplementation
*/
public class HTMLDOMImplementationImpl
extends DOMImplementationImpl
implements HTMLDOMImplementation
{
/**
* Holds a reference to the single instance of the DOM implementation.
* Only one instance is required since this class is multiple entry.
*/
private static final HTMLDOMImplementation _instance = new HTMLDOMImplementationImpl();
/**
* Private constructor assures that an object of this class cannot
* be created. The only way to obtain an object is by calling {@link
* #getDOMImplementation}.
*/
private HTMLDOMImplementationImpl()
{
}
/**
* Create a new HTML document of the specified <TT>TITLE</TT> text.
*
* @param title The document title text
* @return New HTML document
*/
public final HTMLDocument createHTMLDocument( String title )
throws DOMException
{
HTMLDocument doc;
if ( title == null )
throw new NullPointerException( "HTM014 Argument 'title' is null." );
doc = new HTMLDocumentImpl();
doc.setTitle( title );
return doc;
}
/**
* Returns an instance of a {@link HTMLDOMImplementation} that can be
* used to perform operations that are not specific to a particular
* document instance, e.g. to create a new document.
*
* @return Reference to a valid DOM implementation
*/
public static HTMLDOMImplementation getHTMLDOMImplementation()
{
return _instance;
}
}