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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.editor;
import proguard.classfile.attribute.annotation.*;
/**
* This class can add annotations to a given parameter annotations attribute.
* Annotations to be added must have been filled out beforehand.
*
* @author Eric Lafortune
*/
public class ParameterAnnotationsAttributeEditor
{
private ParameterAnnotationsAttribute targetParameterAnnotationsAttribute;
/**
* Creates a new ParameterAnnotationsAttributeEditor that will edit
* annotations in the given parameter annotations attribute.
*/
public ParameterAnnotationsAttributeEditor(ParameterAnnotationsAttribute targetParameterAnnotationsAttribute)
{
this.targetParameterAnnotationsAttribute = targetParameterAnnotationsAttribute;
}
/**
* Adds a given annotation to the annotations attribute.
*/
public void addAnnotation(int parameterIndex, Annotation annotation)
{
int annotationsCount = targetParameterAnnotationsAttribute.u2parameterAnnotationsCount[parameterIndex];
Annotation[] annotations = targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex];
// Make sure there is enough space for the new annotation.
if (annotations == null ||
annotations.length <= annotationsCount)
{
targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex] = new Annotation[annotationsCount+1];
if (annotations != null)
{
System.arraycopy(annotations, 0,
targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex], 0,
annotationsCount);
}
annotations = targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex];
}
// Add the annotation.
annotations[targetParameterAnnotationsAttribute.u2parameterAnnotationsCount[parameterIndex]++] = annotation;
}
}
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