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/*
* 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.exadel.aem.toolkit.plugin.sources;
import java.lang.annotation.Annotation;
import org.apache.commons.lang3.StringUtils;
import com.exadel.aem.toolkit.api.handlers.Source;
import com.exadel.aem.toolkit.plugin.adapters.AdaptationBase;
/**
* Implements {@link Source} to expose the metadata that is specific for the underlying annotation
*/
class AnnotationSourceImpl extends AdaptationBase implements Source {
private final Annotation value;
/**
* Initializes a class instance storing a reference to the {@code Annotation} object that serves as the metadata source
* @param value The referenced {@code Annotation} object
*/
AnnotationSourceImpl(Annotation value) {
super(Source.class);
this.value = value;
}
/**
* {@inheritDoc}
*/
@Override
public String getName() {
return value != null ? value.annotationType().getName() : StringUtils.EMPTY;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isValid() {
return value != null;
}
/**
* {@inheritDoc}
*/
@Override
public A adaptTo(Class type) {
if (type == null) {
return null;
}
if (type.isAnnotation() && value != null && type.equals(value.annotationType())) {
return type.cast(value);
}
return super.adaptTo(type);
}
}
