94 lines
2.9 KiB
Java
94 lines
2.9 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.html.dom;
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import org.apache.xerces.dom.DOMImplementationImpl;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.html.HTMLDOMImplementation;
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import org.w3c.dom.html.HTMLDocument;
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/**
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* Provides number of methods for performing operations that are independent
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* of any particular instance of the document object model. This class is
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* unconstructable, the only way to obtain an instance of a DOM implementation
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* is by calling the static method {@link #getDOMImplementation}.
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*
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* @xerces.internal
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*
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* @version $Revision$ $Date$
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* @author <a href="mailto:arkin@exoffice.com">Assaf Arkin</a>
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* @see org.w3c.dom.DOMImplementation
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*/
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public class HTMLDOMImplementationImpl
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extends DOMImplementationImpl
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implements HTMLDOMImplementation
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{
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/**
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* Holds a reference to the single instance of the DOM implementation.
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* Only one instance is required since this class is multiple entry.
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*/
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private static final HTMLDOMImplementation _instance = new HTMLDOMImplementationImpl();
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/**
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* Private constructor assures that an object of this class cannot
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* be created. The only way to obtain an object is by calling {@link
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* #getDOMImplementation}.
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*/
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private HTMLDOMImplementationImpl()
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{
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}
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/**
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* Create a new HTML document of the specified <TT>TITLE</TT> text.
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*
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* @param title The document title text
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* @return New HTML document
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*/
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public final HTMLDocument createHTMLDocument( String title )
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throws DOMException
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{
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HTMLDocument doc;
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if ( title == null )
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throw new NullPointerException( "HTM014 Argument 'title' is null." );
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doc = new HTMLDocumentImpl();
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doc.setTitle( title );
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return doc;
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}
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/**
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* Returns an instance of a {@link HTMLDOMImplementation} that can be
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* used to perform operations that are not specific to a particular
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* document instance, e.g. to create a new document.
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*
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* @return Reference to a valid DOM implementation
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*/
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public static HTMLDOMImplementation getHTMLDOMImplementation()
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{
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return _instance;
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}
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}
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