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 */ 30package org.mockito.asm.util; 31 32import org.mockito.asm.AnnotationVisitor; 33import org.mockito.asm.Attribute; 34import org.mockito.asm.FieldVisitor; 35 36/** 37 * A {@link FieldVisitor} that checks that its methods are properly used. 38 */ 39public class CheckFieldAdapter implements FieldVisitor { 40 41 private final FieldVisitor fv; 42 43 private boolean end; 44 45 public CheckFieldAdapter(final FieldVisitor fv) { 46 this.fv = fv; 47 } 48 49 public AnnotationVisitor visitAnnotation( 50 final String desc, 51 final boolean visible) 52 { 53 checkEnd(); 54 CheckMethodAdapter.checkDesc(desc, false); 55 return new CheckAnnotationAdapter(fv.visitAnnotation(desc, visible)); 56 } 57 58 public void visitAttribute(final Attribute attr) { 59 checkEnd(); 60 if (attr == null) { 61 throw new IllegalArgumentException("Invalid attribute (must not be null)"); 62 } 63 fv.visitAttribute(attr); 64 } 65 66 public void visitEnd() { 67 checkEnd(); 68 end = true; 69 fv.visitEnd(); 70 } 71 72 private void checkEnd() { 73 if (end) { 74 throw new IllegalStateException("Cannot call a visit method after visitEnd has been called"); 75 } 76 } 77} 78