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iceraven-browser/mozilla-lint-rules/src/main/java/org/mozilla/fenix/lintrules/KotlinSyntheticsDetector.kt

63 lines
2.8 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
@file:Suppress("UnstableApiUsage")
package org.mozilla.fenix.lintrules
import com.android.tools.lint.client.api.UElementHandler
import com.android.tools.lint.detector.api.Category
import com.android.tools.lint.detector.api.Detector
import com.android.tools.lint.detector.api.Implementation
import com.android.tools.lint.detector.api.Issue
import com.android.tools.lint.detector.api.JavaContext
import com.android.tools.lint.detector.api.Scope
import com.android.tools.lint.detector.api.Severity
import com.android.tools.lint.detector.api.SourceCodeScanner
import org.jetbrains.uast.UElement
import org.jetbrains.uast.UImportStatement
/**
* Custom Lint detector that checks for deprecated "kotlinx.android.synthetic" imports.
*/
class KotlinSyntheticsDetector : Detector(), SourceCodeScanner {
override fun createUastHandler(context: JavaContext) = object : UElementHandler() {
override fun visitImportStatement(node: UImportStatement) {
node.importReference?.asSourceString()?.let { import ->
if (import.startsWith(SYNTHETIC_IMPORT_PATTERN)) {
context.report(
DEPRECATED_KOTLIN_SYNTHETICS_ISSUE,
node,
context.getLocation(node),
DEPRECATED_KOTLIN_SYNTHETICS_MESSAGE
)
}
}
}
}
override fun getApplicableUastTypes(): List<Class<out UElement>> {
return listOf(UImportStatement::class.java)
}
companion object {
private const val DEPRECATED_KOTLIN_SYNTHETICS_MESSAGE = "Kotlin synthetics are to be replaced with Jetpack View Binding. " +
"Please refer to https://github.com/mozilla-mobile/fenix/issues/17917 for more details."
private const val SYNTHETIC_IMPORT_PATTERN = "kotlinx.android.synthetic"
val DEPRECATED_KOTLIN_SYNTHETICS_ISSUE = Issue.create(
"KotlinSyntheticsDeprecation",
briefDescription = "Kotlin synthetics are deprecated and actively refactored out",
explanation = "The 'kotlin-android-extensions' Gradle plugin is deprecated and " +
"will be removed in a future Kotlin release in (or after) September 2021. " +
"We are to migrate to Jetpack View Binding. " +
"Please refer to https://github.com/mozilla-mobile/fenix/issues/17917",
category = Category.PRODUCTIVITY,
severity = Severity.ERROR,
implementation = Implementation(KotlinSyntheticsDetector::class.java, Scope.JAVA_FILE_SCOPE)
)
}
}