org.eclipse.sisu.space.ClassVisitor Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2010-present Sonatype, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stuart McCulloch (Sonatype, Inc.) - initial API and implementation
*******************************************************************************/
package org.eclipse.sisu.space;
import java.lang.reflect.Modifier;
/**
* Something that can visit class definitions.
*/
public interface ClassVisitor
{
/**
* Non-instantiable classes: INTERFACE | ABSTRACT | ANNOTATION | ENUM | SYNTHETIC.
*/
int NON_INSTANTIABLE = Modifier.INTERFACE | Modifier.ABSTRACT | 0x00007000;
/**
* Enters the class definition.
*
* @param modifiers The access modifiers
* @param name The internal name, such as "javax/inject/Provider"
* @param _extends Extends this superclass
* @param _implements Implements these interfaces
*/
void enterClass( int modifiers, String name, String _extends, String[] _implements );
/**
* Visits an annotation declared on the class.
*
* @param desc The JVM descriptor for the annotation class, such as "Ljavax/inject/Qualifier;"
* @return Annotation visitor; {@code null} if it is not interested in visiting the annotation
* @see SpaceScanner#jvmDescriptor(Class)
*/
AnnotationVisitor visitAnnotation( String desc );
/**
* Leaves the class definition.
*/
void leaveClass();
}