1 /*** 2 * ASM: a very small and fast Java bytecode manipulation framework 3 * Copyright (c) 2000-2007 INRIA, France Telecom 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package org.mockito.asm.tree; 31 32 import java.util.ArrayList; 33 import java.util.List; 34 35 import org.mockito.asm.AnnotationVisitor; 36 37 /** 38 * A node that represents an annotationn. 39 * 40 * @author Eric Bruneton 41 */ 42 public class AnnotationNode implements AnnotationVisitor { 43 44 /** 45 * The class descriptor of the annotation class. 46 */ 47 public String desc; 48 49 /** 50 * The name value pairs of this annotation. Each name value pair is stored 51 * as two consecutive elements in the list. The name is a {@link String}, 52 * and the value may be a {@link Byte}, {@link Boolean}, {@link Character}, 53 * {@link Short}, {@link Integer}, {@link Long}, {@link Float}, 54 * {@link Double}, {@link String} or {@link org.mockito.asm.Type}, or an 55 * two elements String array (for enumeration values), a 56 * {@link AnnotationNode}, or a {@link List} of values of one of the 57 * preceding types. The list may be <tt>null</tt> if there is no name 58 * value pair. 59 */ 60 public List values; 61 62 /** 63 * Constructs a new {@link AnnotationNode}. 64 * 65 * @param desc the class descriptor of the annotation class. 66 */ 67 public AnnotationNode(final String desc) { 68 this.desc = desc; 69 } 70 71 /** 72 * Constructs a new {@link AnnotationNode} to visit an array value. 73 * 74 * @param values where the visited values must be stored. 75 */ 76 AnnotationNode(final List values) { 77 this.values = values; 78 } 79 80 // ------------------------------------------------------------------------ 81 // Implementation of the AnnotationVisitor interface 82 // ------------------------------------------------------------------------ 83 84 public void visit(final String name, final Object value) { 85 if (values == null) { 86 values = new ArrayList(this.desc != null ? 2 : 1); 87 } 88 if (this.desc != null) { 89 values.add(name); 90 } 91 values.add(value); 92 } 93 94 public void visitEnum( 95 final String name, 96 final String desc, 97 final String value) 98 { 99 if (values == null) { 100 values = new ArrayList(this.desc != null ? 2 : 1); 101 } 102 if (this.desc != null) { 103 values.add(name); 104 } 105 values.add(new String[] { desc, value }); 106 } 107 108 public AnnotationVisitor visitAnnotation( 109 final String name, 110 final String desc) 111 { 112 if (values == null) { 113 values = new ArrayList(this.desc != null ? 2 : 1); 114 } 115 if (this.desc != null) { 116 values.add(name); 117 } 118 AnnotationNode annotation = new AnnotationNode(desc); 119 values.add(annotation); 120 return annotation; 121 } 122 123 public AnnotationVisitor visitArray(final String name) { 124 if (values == null) { 125 values = new ArrayList(this.desc != null ? 2 : 1); 126 } 127 if (this.desc != null) { 128 values.add(name); 129 } 130 List array = new ArrayList(); 131 values.add(array); 132 return new AnnotationNode(array); 133 } 134 135 public void visitEnd() { 136 } 137 138 // ------------------------------------------------------------------------ 139 // Accept methods 140 // ------------------------------------------------------------------------ 141 142 /** 143 * Makes the given visitor visit this annotation. 144 * 145 * @param av an annotation visitor. Maybe <tt>null</tt>. 146 */ 147 public void accept(final AnnotationVisitor av) { 148 if (av != null) { 149 if (values != null) { 150 for (int i = 0; i < values.size(); i += 2) { 151 String name = (String) values.get(i); 152 Object value = values.get(i + 1); 153 accept(av, name, value); 154 } 155 } 156 av.visitEnd(); 157 } 158 } 159 160 /** 161 * Makes the given visitor visit a given annotation value. 162 * 163 * @param av an annotation visitor. Maybe <tt>null</tt>. 164 * @param name the value name. 165 * @param value the actual value. 166 */ 167 static void accept( 168 final AnnotationVisitor av, 169 final String name, 170 final Object value) 171 { 172 if (av != null) { 173 if (value instanceof String[]) { 174 String[] typeconst = (String[]) value; 175 av.visitEnum(name, typeconst[0], typeconst[1]); 176 } else if (value instanceof AnnotationNode) { 177 AnnotationNode an = (AnnotationNode) value; 178 an.accept(av.visitAnnotation(name, an.desc)); 179 } else if (value instanceof List) { 180 AnnotationVisitor v = av.visitArray(name); 181 List array = (List) value; 182 for (int j = 0; j < array.size(); ++j) { 183 accept(v, null, array.get(j)); 184 } 185 v.visitEnd(); 186 } else { 187 av.visit(name, value); 188 } 189 } 190 } 191 } 192
