1 /*
   2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.  Oracle designates this
   7  * particular file as subject to the "Classpath" exception as provided
   8  * by Oracle in the LICENSE file that accompanied this code.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  */
  24 
  25 /*
  26  * This file is available under and governed by the GNU General Public
  27  * License version 2 only, as published by the Free Software Foundation.
  28  * However, the following notice accompanied the original version of this
  29  * file:
  30  *
  31  * ASM: a very small and fast Java bytecode manipulation framework
  32  * Copyright (c) 2000-2011 INRIA, France Telecom
  33  * All rights reserved.
  34  *
  35  * Redistribution and use in source and binary forms, with or without
  36  * modification, are permitted provided that the following conditions
  37  * are met:
  38  * 1. Redistributions of source code must retain the above copyright
  39  *    notice, this list of conditions and the following disclaimer.
  40  * 2. Redistributions in binary form must reproduce the above copyright
  41  *    notice, this list of conditions and the following disclaimer in the
  42  *    documentation and/or other materials provided with the distribution.
  43  * 3. Neither the name of the copyright holders nor the names of its
  44  *    contributors may be used to endorse or promote products derived from
  45  *    this software without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  48  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  51  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  52  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  53  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  54  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  55  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  56  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  57  * THE POSSIBILITY OF SUCH DAMAGE.
  58  */
  59 package jdk.internal.org.objectweb.asm.util;
  60 
  61 import jdk.internal.org.objectweb.asm.AnnotationVisitor;
  62 import jdk.internal.org.objectweb.asm.Opcodes;
  63 
  64 /**
  65  * An {@link AnnotationVisitor} that prints the annotations it visits with a
  66  * {@link Printer}.
  67  *
  68  * @author Eric Bruneton
  69  */
  70 public final class TraceAnnotationVisitor extends AnnotationVisitor {
  71 
  72     private final Printer p;
  73 
  74     public TraceAnnotationVisitor(final Printer p) {
  75         this(null, p);
  76     }
  77 
  78     public TraceAnnotationVisitor(final AnnotationVisitor av, final Printer p) {
  79         super(Opcodes.ASM6, av);
  80         this.p = p;
  81     }
  82 
  83     @Override
  84     public void visit(final String name, final Object value) {
  85         p.visit(name, value);
  86         super.visit(name, value);
  87     }
  88 
  89     @Override
  90     public void visitEnum(final String name, final String desc,
  91             final String value) {
  92         p.visitEnum(name, desc, value);
  93         super.visitEnum(name, desc, value);
  94     }
  95 
  96     @Override
  97     public AnnotationVisitor visitAnnotation(final String name,
  98             final String desc) {
  99         Printer p = this.p.visitAnnotation(name, desc);
 100         AnnotationVisitor av = this.av == null ? null : this.av
 101                 .visitAnnotation(name, desc);
 102         return new TraceAnnotationVisitor(av, p);
 103     }
 104 
 105     @Override
 106     public AnnotationVisitor visitArray(final String name) {
 107         Printer p = this.p.visitArray(name);
 108         AnnotationVisitor av = this.av == null ? null : this.av
 109                 .visitArray(name);
 110         return new TraceAnnotationVisitor(av, p);
 111     }
 112 
 113     @Override
 114     public void visitEnd() {
 115         p.visitAnnotationEnd();
 116         super.visitEnd();
 117     }
 118 }