// ASM: a very small and fast Java bytecode manipulation framework
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package org.objectweb.asm.util;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Opcodes;

An AnnotationVisitor that prints the annotations it visits with a Printer. 
Author:
Eric Bruneton/**
 * An {@link AnnotationVisitor} that prints the annotations it visits with a {@link Printer}.
 *
 * @author Eric Bruneton
 */
public final class TraceAnnotationVisitor extends AnnotationVisitor {

  
The printer to convert the visited annotation into text. /** The printer to convert the visited annotation into text. */
  private final Printer printer;

  
Constructs a new TraceAnnotationVisitor. 
Params:
printer – the printer to convert the visited annotation into text./**
   * Constructs a new {@link TraceAnnotationVisitor}.
   *
   * @param printer the printer to convert the visited annotation into text.
   */
  public TraceAnnotationVisitor(final Printer printer) {
    this(null, printer);
  }

  
Constructs a new TraceAnnotationVisitor. 
Params:
annotationVisitor – the annotation visitor to which to delegate calls. May be 
    null.
printer – the printer to convert the visited annotation into text./**
   * Constructs a new {@link TraceAnnotationVisitor}.
   *
   * @param annotationVisitor the annotation visitor to which to delegate calls. May be {@literal
   *     null}.
   * @param printer the printer to convert the visited annotation into text.
   */
  public TraceAnnotationVisitor(final AnnotationVisitor annotationVisitor, final Printer printer) {
    super(Opcodes.ASM7, annotationVisitor);
    this.printer = printer;
  }

  @Override
  public void visit(final String name, final Object value) {
    printer.visit(name, value);
    super.visit(name, value);
  }

  @Override
  public void visitEnum(final String name, final String descriptor, final String value) {
    printer.visitEnum(name, descriptor, value);
    super.visitEnum(name, descriptor, value);
  }

  @Override
  public AnnotationVisitor visitAnnotation(final String name, final String descriptor) {
    Printer annotationPrinter = printer.visitAnnotation(name, descriptor);
    return new TraceAnnotationVisitor(super.visitAnnotation(name, descriptor), annotationPrinter);
  }

  @Override
  public AnnotationVisitor visitArray(final String name) {
    Printer arrayPrinter = printer.visitArray(name);
    return new TraceAnnotationVisitor(super.visitArray(name), arrayPrinter);
  }

  @Override
  public void visitEnd() {
    printer.visitAnnotationEnd();
    super.visitEnd();
  }
}