LifecycleProcessor.kt

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 androidx.lifecycle

import javax.annotation.processing.AbstractProcessor
import javax.annotation.processing.RoundEnvironment
import javax.annotation.processing.SupportedAnnotationTypes
import javax.lang.model.SourceVersion
import javax.lang.model.element.TypeElement

@SupportedAnnotationTypes("androidx.lifecycle.OnLifecycleEvent")
class LifecycleProcessor : AbstractProcessor() {
    override fun process(
        annotations: MutableSet<out TypeElement>,
        roundEnv: RoundEnvironment
    ): Boolean {
        val input = collectAndVerifyInput(processingEnv, roundEnv)
        writeModels(transformToOutput(processingEnv, input), processingEnv)
        return true
    }

    override fun getSupportedSourceVersion(): SourceVersion {
        return SourceVersion.latest()
    }
}