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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.commons;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
/**
* A {@link FieldVisitor} that remaps types with a {@link Remapper}.
*
* @author Eugene Kuleshov
*/
public class FieldRemapper extends FieldVisitor {
/** The remapper used to remap the types in the visited field. */
protected final Remapper remapper;
/**
* Constructs a new {@link FieldRemapper}. Subclasses must not use this constructor.
* Instead, they must use the {@link #FieldRemapper(int,FieldVisitor,Remapper)} version.
*
* @param fieldVisitor the field visitor this remapper must deleted to.
* @param remapper the remapper to use to remap the types in the visited field.
*/
public FieldRemapper(final FieldVisitor fieldVisitor, final Remapper remapper) {
this(/* latest api = */ Opcodes.ASM8, fieldVisitor, remapper);
}
/**
* Constructs a new {@link FieldRemapper}.
*
* @param api the ASM API version supported by this remapper. Must be one of {@link
* org.objectweb.asm.Opcodes#ASM4}, {@link org.objectweb.asm.Opcodes#ASM5}, {@link
* org.objectweb.asm.Opcodes#ASM6}, {@link Opcodes#ASM7} or {@link Opcodes#ASM8}.
* @param fieldVisitor the field visitor this remapper must deleted to.
* @param remapper the remapper to use to remap the types in the visited field.
*/
protected FieldRemapper(final int api, final FieldVisitor fieldVisitor, final Remapper remapper) {
super(api, fieldVisitor);
this.remapper = remapper;
}
@Override
public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) {
AnnotationVisitor annotationVisitor =
super.visitAnnotation(remapper.mapDesc(descriptor), visible);
return annotationVisitor == null ? null : createAnnotationRemapper(annotationVisitor);
}
@Override
public AnnotationVisitor visitTypeAnnotation(
final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
AnnotationVisitor annotationVisitor =
super.visitTypeAnnotation(typeRef, typePath, remapper.mapDesc(descriptor), visible);
return annotationVisitor == null ? null : createAnnotationRemapper(annotationVisitor);
}
/**
* Constructs a new remapper for annotations. The default implementation of this method returns a
* new {@link AnnotationRemapper}.
*
* @param annotationVisitor the AnnotationVisitor the remapper must delegate to.
* @return the newly created remapper.
*/
protected AnnotationVisitor createAnnotationRemapper(final AnnotationVisitor annotationVisitor) {
return new AnnotationRemapper(api, annotationVisitor, remapper);
}
}
