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// ASM: a very small and fast Java bytecode manipulation framework
// Copyright (c) 2000-2011 INRIA, France Telecom
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of the copyright holders nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
package org.objectweb.asm.util;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Opcodes;
/**
* 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. */
private final Printer printer;
/**
* 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 {@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(/* latest api = */ Opcodes.ASM9, 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();
}
}
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