/* * Copyright (c) 1998, 2000, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.accessibility;  import java.util.*;import java.awt.*;import javax.swing.text.*;  /** * <P>The AccessibleHypertext class is the base class for all * classes that present hypertext information on the display.  This class * provides the standard mechanism for an assistive technology to access * that text via its content, attributes, and spatial location. * It also provides standard mechanisms for manipulating hyperlinks. * Applications can determine if an object supports the AccessibleHypertext * interface by first obtaining its AccessibleContext (see {@link Accessible}) * and then calling the {@link AccessibleContext#getAccessibleText} * method of AccessibleContext.  If the return value is a class which extends * AccessibleHypertext, then that object supports AccessibleHypertext. * * @see Accessible * @see Accessible#getAccessibleContext * @see AccessibleContext * @see AccessibleText * @see AccessibleContext#getAccessibleText * * @author      Peter Korn */public interface AccessibleHypertext extends AccessibleText {     /**     * Returns the number of links within this hypertext document.     *     * @return number of links in this hypertext doc.     */    public abstract int getLinkCount();     /**     * Returns the nth Link of this Hypertext document.     *     * @param linkIndex within the links of this Hypertext     * @return Link object encapsulating the nth link(s)     */    public abstract AccessibleHyperlink getLink(int linkIndex);     /**     * Returns the index into an array of hyperlinks that     * is associated with this character index, or -1 if there     * is no hyperlink associated with this index.     *     * @param charIndex index within the text     * @return index into the set of hyperlinks for this hypertext doc.     */    public abstract int getLinkIndex(int charIndex);}