1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package java.text; 19 20/** 21 * Wrapper for a text attribute value which represents an annotation. An 22 * annotation has two special aspects: 23 * <ol> 24 * <li>it is connected to a range of main text; if this range or the main text 25 * is changed then the annotation becomes invalid,</li> 26 * <li>it can not be joined with adjacent annotations even if the text attribute 27 * value is the same.</li> 28 * </ol> 29 * <p> 30 * By wrapping text attribute values into an {@code Annotation}, these aspects 31 * will be taken into account when handling annotation text and the 32 * corresponding main text. 33 * <p> 34 * Note: There is no semantic connection between this annotation class and the 35 * {@code java.lang.annotation} package. 36 */ 37public class Annotation { 38 39 private Object value; 40 41 /** 42 * Constructs a new {@code Annotation}. 43 * 44 * @param attribute the attribute attached to this annotation. This may be 45 * {@code null}. 46 */ 47 public Annotation(Object attribute) { 48 value = attribute; 49 } 50 51 /** 52 * Returns the value of this annotation. The value may be {@code null}. 53 * 54 * @return the value of this annotation or {@code null}. 55 */ 56 public Object getValue() { 57 return value; 58 } 59 60 /** 61 * Returns this annotation in string representation. 62 * 63 * @return the string representation of this annotation. 64 */ 65 @Override 66 public String toString() { 67 return getClass().getName() + "[value=" + value + ']'; 68 } 69} 70