1 /* 2 * Javassist, a Java-bytecode translator toolkit. 3 * Copyright (C) 2004 Bill Burke. All Rights Reserved. 4 * 5 * The contents of this file are subject to the Mozilla Public License Version 6 * 1.1 (the "License"); you may not use this file except in compliance with 7 * the License. Alternatively, the contents of this file may be used under 8 * the terms of the GNU Lesser General Public License Version 2.1 or later. 9 * 10 * Software distributed under the License is distributed on an "AS IS" basis, 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12 * for the specific language governing rights and limitations under the 13 * License. 14 */ 15 package javassist.bytecode.annotation; 16 17 import javassist.ClassPool; 18 import javassist.bytecode.ConstPool; 19 import java.io.IOException; 20 import java.lang.reflect.Method; 21 22 /** 23 * Nested annotation. 24 * 25 * @author <a href="mailto:bill@jboss.org">Bill Burke</a> 26 * @author Shigeru Chiba 27 */ 28 public class AnnotationMemberValue extends MemberValue { 29 Annotation value; 30 31 /** 32 * Constructs an annotation member. The initial value is not specified. 33 */ AnnotationMemberValue(ConstPool cp)34 public AnnotationMemberValue(ConstPool cp) { 35 this(null, cp); 36 } 37 38 /** 39 * Constructs an annotation member. The initial value is specified by 40 * the first parameter. 41 */ AnnotationMemberValue(Annotation a, ConstPool cp)42 public AnnotationMemberValue(Annotation a, ConstPool cp) { 43 super('@', cp); 44 value = a; 45 } 46 getValue(ClassLoader cl, ClassPool cp, Method m)47 Object getValue(ClassLoader cl, ClassPool cp, Method m) 48 throws ClassNotFoundException 49 { 50 return AnnotationImpl.make(cl, getType(cl), cp, value); 51 } 52 getType(ClassLoader cl)53 Class getType(ClassLoader cl) throws ClassNotFoundException { 54 if (value == null) 55 throw new ClassNotFoundException("no type specified"); 56 else 57 return loadClass(cl, value.getTypeName()); 58 } 59 60 /** 61 * Obtains the value. 62 */ getValue()63 public Annotation getValue() { 64 return value; 65 } 66 67 /** 68 * Sets the value of this member. 69 */ setValue(Annotation newValue)70 public void setValue(Annotation newValue) { 71 value = newValue; 72 } 73 74 /** 75 * Obtains the string representation of this object. 76 */ toString()77 public String toString() { 78 return value.toString(); 79 } 80 81 /** 82 * Writes the value. 83 */ write(AnnotationsWriter writer)84 public void write(AnnotationsWriter writer) throws IOException { 85 writer.annotationValue(); 86 value.write(writer); 87 } 88 89 /** 90 * Accepts a visitor. 91 */ accept(MemberValueVisitor visitor)92 public void accept(MemberValueVisitor visitor) { 93 visitor.visitAnnotationMemberValue(this); 94 } 95 } 96