1 2 /* ==================================================================== 3 * The Apache Software License, Version 1.1 4 * 5 * Copyright (c) 2002 The Apache Software Foundation. All rights 6 * reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The end-user documentation included with the redistribution, 21 * if any, must include the following acknowledgment: 22 * "This product includes software developed by the 23 * Apache Software Foundation (http://www.apache.org/)." 24 * Alternately, this acknowledgment may appear in the software itself, 25 * if and wherever such third-party acknowledgments normally appear. 26 * 27 * 4. The names "Apache" and "Apache Software Foundation" and 28 * "Apache POI" must not be used to endorse or promote products 29 * derived from this software without prior written permission. For 30 * written permission, please contact apache@apache.org. 31 * 32 * 5. Products derived from this software may not be called "Apache", 33 * "Apache POI", nor may "Apache" appear in their name, without 34 * prior written permission of the Apache Software Foundation. 35 * 36 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 37 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 38 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 39 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 42 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 43 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 44 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 45 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 46 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 47 * SUCH DAMAGE. 48 * ==================================================================== 49 * 50 * This software consists of voluntary contributions made by many 51 * individuals on behalf of the Apache Software Foundation. For more 52 * information on the Apache Software Foundation, please see 53 * <http://www.apache.org/>. 54 */ 55 56 package org.apache.poi.poifs.property; 57 58 /** 59 * This interface defines methods for finding and setting sibling 60 * Property instances 61 * 62 * @author Marc Johnson (mjohnson at apache dot org) 63 */ 64 65 public interface Child 66 { 67 68 /** 69 * Get the next Child, if any 70 * 71 * @return the next Child; may return null 72 */ 73 74 public Child getNextChild(); 75 76 /** 77 * Get the previous Child, if any 78 * 79 * @return the previous Child; may return null 80 */ 81 82 public Child getPreviousChild(); 83 84 /** 85 * Set the next Child 86 * 87 * @param child the new 'next' child; may be null, which has the 88 * effect of saying there is no 'next' child 89 */ 90 91 public void setNextChild(final Child child); 92 93 /** 94 * Set the previous Child 95 * 96 * @param child the new 'previous' child; may be null, which has 97 * the effect of saying there is no 'previous' child 98 */ 99 100 public void setPreviousChild(final Child child); 101 } // end public interface Child 102 103