001package org.apache.maven.tools.plugin.extractor.annotations.scanner.visitors; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.maven.tools.plugin.extractor.annotations.scanner.MojoAnnotationsScanner; 023import org.codehaus.plexus.logging.Logger; 024import org.objectweb.asm.AnnotationVisitor; 025import org.objectweb.asm.Attribute; 026import org.objectweb.asm.FieldVisitor; 027import org.objectweb.asm.Opcodes; 028import org.objectweb.asm.Type; 029 030/** 031 * @author Olivier Lamy 032 * @since 3.0 033 */ 034public class MojoFieldVisitor 035 extends FieldVisitor 036{ 037 private Logger logger; 038 039 private String fieldName; 040 041 private MojoAnnotationVisitor mojoAnnotationVisitor; 042 043 private String className; 044 045 MojoFieldVisitor( Logger logger, String fieldName, String className ) 046 { 047 super( Opcodes.ASM5 ); 048 this.logger = logger; 049 this.fieldName = fieldName; 050 this.className = className; 051 } 052 053 public MojoAnnotationVisitor getMojoAnnotationVisitor() 054 { 055 return mojoAnnotationVisitor; 056 } 057 058 public String getFieldName() 059 { 060 return fieldName; 061 } 062 063 public AnnotationVisitor visitAnnotation( String desc, boolean visible ) 064 { 065 String annotationClassName = Type.getType( desc ).getClassName(); 066 if ( !MojoAnnotationsScanner.FIELD_LEVEL_ANNOTATIONS.contains( annotationClassName ) ) 067 { 068 return null; 069 } 070 mojoAnnotationVisitor = new MojoAnnotationVisitor( logger, annotationClassName ); 071 return mojoAnnotationVisitor; 072 } 073 074 public void visitAttribute( Attribute attribute ) 075 { 076 // no op 077 } 078 079 public void visitEnd() 080 { 081 // no op 082 } 083 084 public String getClassName() 085 { 086 return className; 087 } 088 089 public void setClassName( String className ) 090 { 091 this.className = className; 092 } 093}