com.fhoster.livebase.CloudletAuthenticationHandlerAnnotationProcessor.xtend Maven / Gradle / Ivy
/**
* Copyright 2021 Fhoster srl
*
* 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.fhoster.livebase
import javax.annotation.processing.SupportedAnnotationTypes
import javax.lang.model.element.Element
@SupportedAnnotationTypes("com.fhoster.livebase.CloudletAuthenticationHandler")
class CloudletAuthenticationHandlerAnnotationProcessor extends BlueprintAnnotationProcessor {
new(UniqueIdGenerator generator) {
super(generator)
}
override processAnnotatedClass(Element e) {
if(e.hasErrors) {
return
}
val serviceProperties = '''
'''
generateBlueprintXML(e, serviceProperties)
}
override supportedAnnotation() {
CloudletAuthenticationHandler
}
private def hasErrors(Element e) {
e.check[e.isClass].orError('''The @CloudletAuthenticationHandler annotation can only be used on classes, not interfaces ''')
e.check[e.isPublicClass].orError('''The @CloudletAuthenticationHandler annotation can only be used on public classes.''')
if(e.inectableConstructors.size > 0)
e.check[e.inectableConstructors.size == 1].orError('''Too many constructors found. A plugin must have at most one costructor or at most one public constructor''')
if(e.interfaces.size > 1) {
e.error("This class must implement one interface only. Refer to the Plugin docs for more information.")
return true;
}
return false;
}
}