com.github.zerkseez.reflection.AbstractElementInfo Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2016 Xerxes Tsang
*
* 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.github.zerkseez.reflection;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public abstract class AbstractElementInfo implements ElementInfo {
private final Cache id;
public AbstractElementInfo() {
this.id = new Cache(this, () -> this.doGetId());
}
@Override
public final String getId() {
return id.get();
}
protected abstract String doGetId();
@Override
public final List getAnnotations() {
if (getAnnotatedElement() != null) {
return Arrays.asList(getAnnotatedElement().getAnnotations());
}
return Collections.emptyList();
}
@Override
public final A getAnnotation(final Class annotationType) {
if (getAnnotatedElement() != null) {
return getAnnotatedElement().getAnnotation(annotationType);
}
return null;
}
@Override
public final boolean isAnnotationPresent(final Class annotationType) {
if (getAnnotatedElement() != null) {
return getAnnotatedElement().isAnnotationPresent(annotationType);
}
return false;
}
protected abstract AnnotatedElement getAnnotatedElement();
}