1 /*** 2 * ASM: a very small and fast Java bytecode manipulation framework 3 * Copyright (c) 2000-2005 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.objectweb.asm.util; 31 32 import org.objectweb.asm.AnnotationVisitor; 33 import org.objectweb.asm.Attribute; 34 import org.objectweb.asm.TypeAnnotationVisitor; 35 import org.objectweb.asm.FieldVisitor; 36 37 /** 38 * A {@link FieldVisitor} that checks that its methods are properly used. 39 */ 40 public class CheckFieldAdapter implements FieldVisitor { 41 42 private FieldVisitor fv; 43 44 private boolean end; 45 CheckFieldAdapter(final FieldVisitor fv)46 public CheckFieldAdapter(final FieldVisitor fv) { 47 this.fv = fv; 48 } 49 visitAnnotation(final String desc, boolean visible)50 public AnnotationVisitor visitAnnotation(final String desc, boolean visible) 51 { 52 checkEnd(); 53 CheckMethodAdapter.checkDesc(desc, false); 54 return new CheckAnnotationAdapter(fv.visitAnnotation(desc, visible)); 55 } 56 57 // jaime visitTypeAnnotation(String desc, boolean visible, boolean inCode)58 public TypeAnnotationVisitor visitTypeAnnotation(String desc, 59 boolean visible, 60 boolean inCode) 61 { 62 throw new RuntimeException("Jaime did not implement yet"); 63 } 64 //end jaime 65 visitAttribute(final Attribute attr)66 public void visitAttribute(final Attribute attr) { 67 checkEnd(); 68 if (attr == null) { 69 throw new IllegalArgumentException("Invalid attribute (must not be null)"); 70 } 71 fv.visitAttribute(attr); 72 } 73 visitEnd()74 public void visitEnd() { 75 checkEnd(); 76 end = true; 77 fv.visitEnd(); 78 } 79 checkEnd()80 private void checkEnd() { 81 if (end) { 82 throw new IllegalStateException("Cannot call a visit method after visitEnd has been called"); 83 } 84 } 85 } 86