- /*
- * $Id: ElementEx.java,v 1.1.1.1 2000/11/23 01:53:35 edwingo Exp $
- *
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Crimson" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, Sun Microsystems, Inc.,
- * http://www.sun.com. For more information on the Apache Software
- * Foundation, please see <http://www.apache.org/>.
- */
-
- package org.apache.crimson.tree;
-
- import org.w3c.dom.Attr;
- import org.w3c.dom.Element;
-
-
- /**
- * This extends the DOM Element interface with additional features. An ID
- * attribute may be visible, and applications may request that memory usage
- * be reduced.
- *
- * <P> There is also support for a single strongly associated object,
- * permitting trees of XML objects to be coupled to other frameworks
- * without requiring either subclassing or external tables to manage
- * such associations. Such techniques will be required in some cases,
- * perhaps in conjunction with this <em>userObject</em>.
- *
- * @author David Brownell
- * @version $Revision: 1.1.1.1 $
- */
- public interface ElementEx extends Element, NodeEx {
- /**
- * Returns the name of the attribute declared to hold the element's ID,
- * or null if no such declaration is known. This is normally declared
- * in the Document Type Declaration (DTD). Parsers are not required to
- * parse DTDs, and document trees constructed without a parser may not
- * have access to the DTD, so such declarations may often not be known.
- *
- * <P> ID attributes are used within XML documents to support links
- * using IDREF and IDREFS attributes. They are also used in current
- * drafts of XPointer and XSL specifications.
- *
- * @return the name of the ID attribute
- */
- public String getIdAttributeName ();
-
- /**
- * Returns the object associated with this element. In cases where
- * more than one such object must be so associated, the association
- * must be maintained externally.
- */
- public Object getUserObject ();
-
- /**
- * Assigns an object to be associated with this element.
- */
- public void setUserObject (Object obj);
-
- /**
- * Requests that the element minimize the amount of space it uses,
- * to conserve memory. Children are not affected.
- */
- public void trimToSize ();
- }