com.clarkparsia.empire.util.ReflectionsAnnotationProvider Maven / Gradle / Ivy
/*
* Copyright (c) 2009-2010 Clark & Parsia, LLC.
*
* 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 com.clarkparsia.empire.util;
import org.reflections.Reflections;
import org.reflections.scanners.FieldAnnotationsScanner;
import org.reflections.scanners.MethodAnnotationsScanner;
import org.reflections.scanners.TypeAnnotationsScanner;
import org.reflections.util.ConfigurationBuilder;
import org.reflections.util.ClasspathHelper;
import org.streampipes.empire.core.empire.util.EmpireAnnotationProvider;
import java.util.Collection;
import java.lang.annotation.Annotation;
/**
* Implementation of the {@link EmpireAnnotationProvider} interface backed by the Reflections API which
* provides the neccessary annotation information at runtime.
*
* @author Michael Grove
* @since 0.5.2
* @see Reflections API
*/
public final class ReflectionsAnnotationProvider implements EmpireAnnotationProvider {
private static Reflections REFLECTIONS;
static {
// Updated as used method is no more available in official release
REFLECTIONS = new Reflections(new ConfigurationBuilder().setUrls(ClasspathHelper.forJavaClassPath())
.setScanners(new FieldAnnotationsScanner(),
new MethodAnnotationsScanner(),
new TypeAnnotationsScanner()));
}
/**
* @inheritDoc
*/
public Collection> getClassesWithAnnotation(final Class theAnnotation) {
return REFLECTIONS.getTypesAnnotatedWith(theAnnotation);
}
}