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DetektInvoker.kt
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DetektInvoker.kt
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package io.gitlab.arturbosch.detekt.invoke
import io.gitlab.arturbosch.detekt.internal.ClassLoaderCache
import io.gitlab.arturbosch.detekt.internal.GlobalClassLoaderCache
import org.gradle.api.GradleException
import org.gradle.api.file.ConfigurableFileCollection
import org.gradle.api.file.FileCollection
import org.gradle.api.provider.ListProperty
import org.gradle.api.provider.Property
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import java.io.PrintStream
import java.lang.reflect.InvocationTargetException
internal interface DetektInvoker {
fun invokeCli(
arguments: List<String>,
classpath: FileCollection,
taskName: String,
ignoreFailures: Boolean = false
)
companion object {
fun create(isDryRun: Boolean = false): DetektInvoker =
if (isDryRun) {
DryRunInvoker()
} else {
DefaultCliInvoker()
}
}
}
interface DetektWorkParameters : WorkParameters {
val arguments: ListProperty<String>
val ignoreFailures: Property<Boolean>
val dryRun: Property<Boolean>
val taskName: Property<String>
val classpath: ConfigurableFileCollection
}
abstract class DetektWorkAction : WorkAction<DetektWorkParameters> {
@Suppress("SwallowedException", "TooGenericExceptionCaught")
override fun execute() {
if (parameters.dryRun.getOrElse(false)) {
DryRunInvoker().invokeCli(
parameters.arguments.get(),
parameters.classpath,
parameters.taskName.get(),
parameters.ignoreFailures.getOrElse(false)
)
return
}
try {
@Suppress("DEPRECATION")
val runner = io.gitlab.arturbosch.detekt.cli.buildRunner(
parameters.arguments.get().toTypedArray(),
System.out,
System.err
)
runner.execute()
} catch (e: Exception) {
if (isBuildFailure(e.message) && parameters.ignoreFailures.get()) {
return
} else {
throw GradleException(e.message ?: "There was a problem running detekt.")
}
}
}
private fun isBuildFailure(msg: String?) =
msg != null && "Build failed with" in msg && "issues" in msg
}
internal class DefaultCliInvoker(
private val classLoaderCache: ClassLoaderCache = GlobalClassLoaderCache
) : DetektInvoker {
override fun invokeCli(
arguments: List<String>,
classpath: FileCollection,
taskName: String,
ignoreFailures: Boolean
) {
try {
val loader = classLoaderCache.getOrCreate(classpath)
val clazz = loader.loadClass("io.gitlab.arturbosch.detekt.cli.Main")
val runner = clazz.getMethod(
"buildRunner",
Array<String>::class.java,
PrintStream::class.java,
PrintStream::class.java
).invoke(null, arguments.toTypedArray(), System.out, System.err)
runner::class.java.getMethod("execute").invoke(runner)
} catch (reflectionWrapper: InvocationTargetException) {
val message = reflectionWrapper.targetException.message
if (message != null && isAnalysisFailure(message) && ignoreFailures) {
return
}
throw GradleException(message ?: "There was a problem running detekt.", reflectionWrapper)
}
}
private fun isAnalysisFailure(msg: String) = "Analysis failed with" in msg && "issues" in msg
}
private class DryRunInvoker : DetektInvoker {
override fun invokeCli(
arguments: List<String>,
classpath: FileCollection,
taskName: String,
ignoreFailures: Boolean
) {
println("Invoking detekt with dry-run.")
println("Task: $taskName")
println("Arguments: ${arguments.joinToString(" ")}")
println("Classpath: ${classpath.files}")
println("Ignore failures: $ignoreFailures")
}
}