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/**
* 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 com.fhoster.blueprintassisted.BlpServiceReference
import java.io.PrintWriter
import java.util.Collection
import javax.lang.model.element.Element
import javax.lang.model.element.ExecutableElement
import javax.tools.StandardLocation
import java.util.List
abstract class BlueprintAnnotationProcessor extends AnnotationProcessor {
UniqueIdGenerator generator
String uniqueId
new(UniqueIdGenerator generator) {
this.generator = generator
}
protected def generateBlueprintXML(Element c, String serviceProperties) {
val annot = c.getAnnotation(supportedAnnotation)
val className = c.toString
val beanId = c.beanID
val serviceId = serviceID(className)
val onlyConstructor = c.inectableConstructor
var String elementInterface = null
if(c.interfaces.empty) {
elementInterface = c.superclass.toString
} else{
elementInterface = c.interfaces.head.toString
}
var fileName = '''OSGI-INF/blueprint/«className».blueprint.xml'''
val hasDraft = annot.annotationType.declaredMethods.filter[name == "draft"]
if(hasDraft.size > 0) {
val draft = hasDraft.head.invoke(annot) as Boolean
if(draft)
fileName += ".draft"
}
val location = StandardLocation.SOURCE_OUTPUT
val file = createResource(location, fileName)
uniqueId = generator.getUniqueId()
val predefinedServiceReferences = newArrayList
predefinedServiceReferences.addAll(onlyConstructor.assistedBlueprintReferences)
predefinedServiceReferences.addAll(knownBlueprintReferences)
val constructorArgs = processElementConstructor(onlyConstructor, predefinedServiceReferences)
val out = new PrintWriter(file.openOutputStream)
val part = '''
«predefinedServiceReferences.filter[it.used].map[it.xmlSnippet].join('\n')»
«constructorArgs.join('\n')»
«serviceProperties»
'''
out.write(part)
out.close
}
def Collection getAssistedBlueprintReferences(ExecutableElement onlyConstructor) {
onlyConstructor.parameters
.filter[it.getAnnotation(BlpServiceReference)!==null]
.map[annotated|
val annotation=annotated.getAnnotation(BlpServiceReference)
var refId = if (annotation.id != "") annotation.id else '''assistedReference«uniqueId»'''
new BlueprintReference(annotated.asType.toString,
'''''',
'''
''',
annotated.annotationMirrors.map[toString].toList
)].toList
}
protected def serviceID(String className) {
'''sid.«className.toLowerCase»'''
}
protected def beanID(Element c) {
'''bid.«c.toString.toLowerCase»'''
}
private def getKnownBlueprintReferences() {
#[
new BlueprintReference("org.osgi.framework.BundleContext",
'''''', ''''''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletDataSource",
'''''','''
'''),
new BlueprintReference("javax.sql.DataSource",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletMailSystem",
'''''','''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletMemberManager",
'''''','''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletIdGenerator",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.EntitySessionFactory",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletEntitySessionFactory",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.CloudletSessionFactory",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.EntityLockManager",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.SpiCloudletSMSSender",
'''''', '''
'''),
new BlueprintReference("com.fhoster.livebase.cloudlet.__CurrentUserLoader",
'''''', '''
''')
]
}
private def processElementConstructor(ExecutableElement constructor,
Iterable references) {
val constructorArgs = newArrayList()
for (t : constructor.parameters) {
val reference = references.findFirst[ br |
if (br.name != t.asType.toString) return false
val filter = t.annotationMirrors.map[toString].findFirst[am | br.filters.contains(am)]
if (filter !== null) return true
//to manage known types without annotation
if (br.filters.empty) return true
return false
]
if(reference !== null) {
reference.used = true
constructorArgs.add(reference.argumentSnippet)
} else {
constructorArgs.add('''''')
}
}
constructorArgs
}
}
class BlueprintReference {
public String name
public String xmlSnippet
public String argumentSnippet
public List filters
public boolean used
new(String name, String argumentSnippet, String xmlSnippet) {
this(name, argumentSnippet, xmlSnippet, #[])
}
new(String name, String argumentSnippet, String xmlSnippet, List filters) {
this.name = name
this.argumentSnippet = argumentSnippet
this.xmlSnippet = xmlSnippet
this.filters = filters
}
}
