1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package javax.swing; 26 27 import java.lang.annotation.Retention; 28 import java.lang.annotation.Target; 29 30 import static java.lang.annotation.ElementType.TYPE; 31 import static java.lang.annotation.RetentionPolicy.RUNTIME; 32 33 /** 34 * An annotation used to specify some swing-related information 35 * for the automatically generated {@code BeanInfo} classes. 36 * This annotation is not used if the annotated class 37 * has a corresponding user-defined {@code BeanInfo} class, 38 * which does not imply the automatic analysis. 39 * <p> 40 * The {@code isContainer} {@link java.beans.BeanDescriptor#getValue 41 * feature attribute} was introduced primarily for the Swing library. 42 * All Swing components extend the {@link java.awt.Container Container} 43 * class by design, so the builder tool assumes that all Swing components 44 * are containers. The {@link java.beans.BeanInfo BeanInfo} classes 45 * with the {@code isContainer} attribute allow to directly specify 46 * whether a Swing component is a container or not. 47 * 48 * @since 9 49 * 50 * @author Sergey A. Malenkov 51 */ 52 @Target({TYPE}) 53 @Retention(RUNTIME) 54 public @interface SwingContainer { 55 /** 56 * The value that indicates whether the annotated class can be used 57 * as a container for other Swing components or not. 58 * 59 * @return {@code true} if the annotated class is a Swing container; 60 * {@code false} otherwise. 61 */ 62 boolean value() default true; 63 64 /** 65 * The name of the getter method in the annotated class, 66 * which returns the corresponding Swing container, 67 * if it is not recommended to add subcomponents 68 * to the annotated class directly. 69 * 70 * @return the name of the getter method in the annotated class, 71 * which returns the corresponding Swing container, 72 * or an empty string if the method name is not set. 73 */ 74 String delegate() default ""; 75 }