org.eclipse.jetty.ee8.annotations.ContainerInitializerAnnotationHandler Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.ee8.annotations;
import java.util.Objects;
import org.eclipse.jetty.ee8.servlet.ServletContainerInitializerHolder;
/**
* ContainerInitializerAnnotationHandler
*
* Discovers classes that contain the specified annotation, either at class or
* method level. The specified annotation is derived from an @HandlesTypes on
* a ServletContainerInitializer class.
*/
public class ContainerInitializerAnnotationHandler extends AnnotationParser.AbstractHandler {
final ServletContainerInitializerHolder _holder;
final Class _annotation;
public ContainerInitializerAnnotationHandler(ServletContainerInitializerHolder holder, Class annotation) {
_holder = Objects.requireNonNull(holder);
_annotation = Objects.requireNonNull(annotation);
}
/**
* Handle finding a class that is annotated with the annotation we were constructed with.
*
* @see AnnotationParser.Handler#handle(AnnotationParser.ClassInfo, String)
*/
@Override
public void handle(AnnotationParser.ClassInfo info, String annotationName) {
if (!_annotation.getName().equals(annotationName))
return;
_holder.addStartupClasses(info.getClassName());
}
/**
* Handle finding a field that is annotated with the annotation we were constructed with.
*
* @see AnnotationParser.Handler#handle(AnnotationParser.FieldInfo, String)
*/
@Override
public void handle(AnnotationParser.FieldInfo info, String annotationName) {
if (!_annotation.getName().equals(annotationName))
return;
_holder.addStartupClasses(info.getClassInfo().getClassName());
}
/**
* Handle finding a method that is annotated with the annotation we were constructed with.
*
* @see AnnotationParser.Handler#handle(AnnotationParser.MethodInfo, String)
*/
@Override
public void handle(AnnotationParser.MethodInfo info, String annotationName) {
if (!_annotation.getName().equals(annotationName))
return;
_holder.addStartupClasses(info.getClassInfo().getClassName());
}
}