package org.apache.maven.tools.plugin.extractor.annotations.scanner.visitors;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.tools.plugin.extractor.annotations.scanner.MojoAnnotationsScanner;
  import org.codehaus.plexus.logging.Logger;
  import org.objectweb.asm.AnnotationVisitor;
  import org.objectweb.asm.Attribute;
  import org.objectweb.asm.FieldVisitor;
  import org.objectweb.asm.Opcodes;
  import org.objectweb.asm.Type;
  
  /**
   * @author Olivier Lamy
   * @since 3.0
   */
  public class MojoFieldVisitor
      extends FieldVisitor
  {
      private Logger logger;
  
      private String fieldName;
  
      private MojoAnnotationVisitor mojoAnnotationVisitor;
  
      private String className;
  
      MojoFieldVisitor( Logger logger, String fieldName, String className )
      {
          super( Opcodes.ASM9 );
          this.logger = logger;
          this.fieldName = fieldName;
          this.className = className;
      }
  
      public MojoAnnotationVisitor getMojoAnnotationVisitor()
      {
          return mojoAnnotationVisitor;
      }
  
      public String getFieldName()
      {
          return fieldName;
      }
  
      @Override
      public AnnotationVisitor visitAnnotation( String desc, boolean visible )
      {
          String annotationClassName = Type.getType( desc ).getClassName();
          if ( !MojoAnnotationsScanner.FIELD_LEVEL_ANNOTATIONS.contains( annotationClassName ) )
          {
              return null;
          }
          mojoAnnotationVisitor = new MojoAnnotationVisitor( logger, annotationClassName );
          return mojoAnnotationVisitor;
      }
  
      @Override
      public void visitAttribute( Attribute attribute )
      {
          // no op
      }
  
      @Override
      public void visitEnd()
      {
          // no op
      }
  
      public String getClassName()
      {
          return className;
      }
  
      public void setClassName( String className )
      {
          this.className = className;
      }
  }