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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.
There is a newer version: 9.1.6
/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * Licensed 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.
 */
package proguard.classfile.attribute.annotation;

import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.annotation.visitor.AnnotationVisitor;

/**
 * This {@link Attribute} represents an annotations attribute.
 *
 * @author Eric Lafortune
 */
public abstract class AnnotationsAttribute extends Attribute {
  public int u2annotationsCount;
  public Annotation[] annotations;

  /** Creates an uninitialized AnnotationsAttribute. */
  protected AnnotationsAttribute() {}

  /** Creates an initialized AnnotationsAttribute. */
  protected AnnotationsAttribute(
      int u2attributeNameIndex, int u2annotationsCount, Annotation[] annotations) {
    super(u2attributeNameIndex);

    this.u2annotationsCount = u2annotationsCount;
    this.annotations = annotations;
  }

  /** Applies the given visitor to the specified class annotation. */
  public void annotationAccept(Clazz clazz, int index, AnnotationVisitor annotationVisitor) {
    // We don't need double dispatching here, since there is only one
    // type of Annotation.
    annotationVisitor.visitAnnotation(clazz, annotations[index]);
  }

  /** Applies the given visitor to all class annotations. */
  public void annotationsAccept(Clazz clazz, AnnotationVisitor annotationVisitor) {
    for (int index = 0; index < u2annotationsCount; index++) {
      // We don't need double dispatching here, since there is only one
      // type of Annotation.
      annotationVisitor.visitAnnotation(clazz, annotations[index]);
    }
  }

  /** Applies the given visitor to the specified field annotation. */
  public void annotationAccept(
      Clazz clazz, Field field, int index, AnnotationVisitor annotationVisitor) {
    // We don't need double dispatching here, since there is only one
    // type of Annotation.
    annotationVisitor.visitAnnotation(clazz, field, annotations[index]);
  }

  /** Applies the given visitor to all field annotations. */
  public void annotationsAccept(Clazz clazz, Field field, AnnotationVisitor annotationVisitor) {
    for (int index = 0; index < u2annotationsCount; index++) {
      // We don't need double dispatching here, since there is only one
      // type of Annotation.
      annotationVisitor.visitAnnotation(clazz, field, annotations[index]);
    }
  }

  /** Applies the given visitor to the specified method annotation. */
  public void annotationAccept(
      Clazz clazz, Method method, int index, AnnotationVisitor annotationVisitor) {
    // We don't need double dispatching here, since there is only one
    // type of Annotation.
    annotationVisitor.visitAnnotation(clazz, method, annotations[index]);
  }

  /** Applies the given visitor to all method annotations. */
  public void annotationsAccept(Clazz clazz, Method method, AnnotationVisitor annotationVisitor) {
    for (int index = 0; index < u2annotationsCount; index++) {
      // We don't need double dispatching here, since there is only one
      // type of Annotation.
      annotationVisitor.visitAnnotation(clazz, method, annotations[index]);
    }
  }

  /** Applies the given visitor to all code attribute annotations. */
  public void annotationsAccept(
      Clazz clazz,
      Method method,
      CodeAttribute codeAttribute,
      AnnotationVisitor annotationVisitor) {
    for (int index = 0; index < u2annotationsCount; index++) {
      // We don't need double dispatching here, since there is only one
      // type of Annotation.
      annotationVisitor.visitAnnotation(clazz, method, codeAttribute, annotations[index]);
    }
  }
}