diff options
Diffstat (limited to 'components/core/src/main')
4 files changed, 274 insertions, 0 deletions
diff --git a/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptConfiguration.kt b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptConfiguration.kt new file mode 100644 index 00000000..f7bfb857 --- /dev/null +++ b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptConfiguration.kt @@ -0,0 +1,86 @@ +/* + * Copyright © 2017-2018 AT&T Intellectual Property. + * + * 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 org.onap.ccsdk.apps.controllerblueprints.core.script + +import org.jetbrains.kotlin.script.util.LocalFilesResolver +import java.io.File +import kotlin.script.dependencies.ScriptContents +import kotlin.script.dependencies.ScriptDependenciesResolver +import kotlin.script.experimental.annotations.KotlinScript +import kotlin.script.experimental.api.* +import kotlin.script.experimental.jvm.JvmDependency +import kotlin.script.experimental.jvm.dependenciesFromCurrentContext +import kotlin.script.experimental.jvm.jvm + + +@KotlinScript(fileExtension = "kts", + compilationConfiguration = ComponentScriptConfiguration::class) +abstract class ComponentScript { + +} + +object ComponentScriptConfiguration : ScriptCompilationConfiguration( + { + // defaultImports(DependsOn::class, Repository::class) + jvm { + dependenciesFromCurrentContext( + wholeClasspath = true + ) + } +// refineConfiguration { +// onAnnotations(DependsOn::class, Repository::class, handler = ::configureLocalFileDepsOnAnnotations) +// } + } +) + + +private val resolver = LocalFilesResolver() + +fun configureLocalFileDepsOnAnnotations(context: ScriptConfigurationRefinementContext): + ResultWithDiagnostics<ScriptCompilationConfiguration> { + + val annotations = context.collectedData?.get(ScriptCollectedData.foundAnnotations)?.takeIf { it.isNotEmpty() } + ?: return context.compilationConfiguration.asSuccess() + + val scriptContents = object : ScriptContents { + override val annotations: Iterable<Annotation> = annotations + override val file: File? = null + override val text: CharSequence? = null + } + + val diagnostics = arrayListOf<ScriptDiagnostic>() + + fun report(severity: ScriptDependenciesResolver.ReportSeverity, message: String, position: ScriptContents.Position?) { + //TODO + } + + return try { + val newDepsFromResolver = resolver.resolve(scriptContents, emptyMap(), ::report, null).get() + ?: return context.compilationConfiguration.asSuccess(diagnostics) + + val resolvedClasspath = newDepsFromResolver.classpath.toList().takeIf { it.isNotEmpty() } + ?: return context.compilationConfiguration.asSuccess(diagnostics) + + ScriptCompilationConfiguration(context.compilationConfiguration) { + dependencies.append(JvmDependency(resolvedClasspath)) + + }.asSuccess(diagnostics) + + } catch (e: Throwable) { + ResultWithDiagnostics.Failure(*diagnostics.toTypedArray(), e.asDiagnostics()) + } +}
\ No newline at end of file diff --git a/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptService.kt b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptService.kt new file mode 100644 index 00000000..8ae09151 --- /dev/null +++ b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BluePrintScriptService.kt @@ -0,0 +1,78 @@ +/* + * Copyright © 2017-2018 AT&T Intellectual Property. + * + * 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 org.onap.ccsdk.apps.controllerblueprints.core.script + +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException +import java.io.File +import java.io.InputStream +import java.io.Reader +import javax.script.ScriptEngineManager +import kotlin.script.experimental.api.ResultValue +import kotlin.script.experimental.api.ResultWithDiagnostics +import kotlin.script.experimental.api.resultOrNull +import kotlin.script.experimental.host.toScriptSource +import kotlin.script.experimental.jvmhost.createJvmCompilationConfigurationFromTemplate + + +open class BluePrintScriptService(classLoader: ClassLoader? = Thread.currentThread().contextClassLoader) { + + /** + * Get the Script Class instance + */ + inline fun <reified T> scriptClassNewInstance(scriptFile: File, scriptClassName: String): T { + + val compilationConfiguration = createJvmCompilationConfigurationFromTemplate<ComponentScript>() + + val scriptEvaluator = BluePrintScriptEvaluator(scriptClassName) + + val evalResponse = BlueprintScriptingHost(scriptEvaluator).eval(scriptFile.toScriptSource(), compilationConfiguration, + null) + + when (evalResponse) { + is ResultWithDiagnostics.Success -> { + val returnValue = evalResponse.resultOrNull()?.returnValue as ResultValue.Value + return returnValue.value.castOrError() + } + is ResultWithDiagnostics.Failure -> { + throw BluePrintProcessorException(evalResponse.reports.joinToString("\n")) + } + else -> { + throw BluePrintProcessorException("Failed to process script ${scriptFile.absolutePath}") + } + } + + } + + val engine = ScriptEngineManager(classLoader).getEngineByExtension("kts") + + inline fun <R> safeEval(evaluation: () -> R?) = try { + evaluation() + } catch (e: Exception) { + throw BluePrintProcessorException("Cannot load script", e) + } + + inline fun <reified T> Any?.castOrError() = takeIf { it is T }?.let { it as T } + ?: throw IllegalArgumentException("Cannot cast $this to expected type ${T::class}") + + inline fun <reified T> load(script: String): T = safeEval { engine.eval(script) }.castOrError() + + inline fun <reified T> load(reader: Reader): T = safeEval { engine.eval(reader) }.castOrError() + + inline fun <reified T> load(inputStream: InputStream): T = load(inputStream.reader()) + + inline fun <reified T> loadAll(vararg inputStream: InputStream): List<T> = inputStream.map(::load) +} diff --git a/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BlueprintScriptingHost.kt b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BlueprintScriptingHost.kt new file mode 100644 index 00000000..bda20a44 --- /dev/null +++ b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/script/BlueprintScriptingHost.kt @@ -0,0 +1,93 @@ +/* + * Copyright © 2017-2018 AT&T Intellectual Property. + * + * 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 org.onap.ccsdk.apps.controllerblueprints.core.script + +import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException +import org.slf4j.LoggerFactory +import kotlin.script.experimental.api.* +import kotlin.script.experimental.host.BasicScriptingHost +import kotlin.script.experimental.jvm.defaultJvmScriptingHostConfiguration +import kotlin.script.experimental.jvmhost.JvmScriptCompiler + +val defaultBlueprintScriptCompiler = JvmScriptCompiler(defaultJvmScriptingHostConfiguration) + +open class BlueprintScriptingHost(evaluator: ScriptEvaluator +) : BasicScriptingHost(defaultBlueprintScriptCompiler, evaluator) { + + override fun eval( + script: SourceCode, + scriptCompilationConfiguration: ScriptCompilationConfiguration, + configuration: ScriptEvaluationConfiguration? + ): ResultWithDiagnostics<EvaluationResult> = + + runInCoroutineContext { + + compiler(script, scriptCompilationConfiguration) + .onSuccess { + evaluator(it, configuration) + } + } +} + + +open class BluePrintScriptEvaluator(private val scriptClassName: String) : ScriptEvaluator { + + val log = LoggerFactory.getLogger(BluePrintScriptEvaluator::class.java)!! + + override suspend operator fun invoke( + compiledScript: CompiledScript<*>, + scriptEvaluationConfiguration: ScriptEvaluationConfiguration? + ): ResultWithDiagnostics<EvaluationResult> = + try { + val res = compiledScript.getClass(scriptEvaluationConfiguration) + when (res) { + is ResultWithDiagnostics.Failure -> res + is ResultWithDiagnostics.Success -> { + val scriptClass = res.value + val args = ArrayList<Any?>() + scriptEvaluationConfiguration?.get(ScriptEvaluationConfiguration.providedProperties)?.forEach { + args.add(it.value) + } + scriptEvaluationConfiguration?.get(ScriptEvaluationConfiguration.implicitReceivers)?.let { + args.addAll(it) + } + scriptEvaluationConfiguration?.get(ScriptEvaluationConfiguration.constructorArgs)?.let { + args.addAll(it) + } + + val completeScriptClass = "Script\$$scriptClassName" + log.info("Searching for class type($completeScriptClass)") + /** + * Search for Class Name + */ + val instanceClass = scriptClass.java.classes + .single { it.name == completeScriptClass } + //.single { it.name == "Script\$SampleBlueprintsFunctionNode" } + + + val instance = instanceClass.newInstance() + ?: throw BluePrintProcessorException("failed to create instance from the script") + + ResultWithDiagnostics.Success(EvaluationResult(ResultValue.Value(completeScriptClass, + instance, instance.javaClass.typeName), + scriptEvaluationConfiguration)) + } + } + } catch (e: Throwable) { + ResultWithDiagnostics.Failure(e.asDiagnostics("Error evaluating script")) + } +}
\ No newline at end of file diff --git a/components/core/src/main/resources/META-INF/services/javax.script.ScriptEngineFactory b/components/core/src/main/resources/META-INF/services/javax.script.ScriptEngineFactory new file mode 100644 index 00000000..89838f44 --- /dev/null +++ b/components/core/src/main/resources/META-INF/services/javax.script.ScriptEngineFactory @@ -0,0 +1,17 @@ +# +# Copyright © 2017-2018 AT&T Intellectual Property. +# +# 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. +# + +org.jetbrains.kotlin.script.jsr223.KotlinJsr223JvmLocalScriptEngineFactory
\ No newline at end of file |