adding jars to idea project

plugin.groovy

import com.intellij.openapi.actionSystem.AnActionEvent
import com.intellij.openapi.module.ModuleManager
import com.intellij.openapi.roots.DependencyScope
import com.intellij.openapi.roots.ModuleRootManager
import com.intellij.openapi.roots.OrderRootType
import com.intellij.openapi.roots.ProjectRootManager
import ru.intellijeval.PluginUtil

import static ru.intellijeval.PluginUtil.runWriteAction
import static ru.intellijeval.PluginUtil.show
import com.intellij.openapi.roots.impl.libraries.ProjectLibraryTable


def sdk = ProjectRootManager.getInstance(event.project).projectSdk
show(sdk.homePath)

if (true) return
show(com.intellij.util.PathUtil.getJarPathForClass(PluginUtil.class))

if (true) return
runWriteAction {
	def moduleManager = ModuleManager.getInstance(event.project)
	def module = moduleManager.modules.first()

	def moduleRootManager = ModuleRootManager.getInstance(module).modifiableModel
	def libTable = moduleRootManager.moduleLibraryTable
	def library = libTable.createLibrary("ooo")
	library.modifiableModel.with {
		addJarDirectory(
				"file:///path/to/classes/",
				true,
				OrderRootType.CLASSES
		)
		commit()
	}
	moduleRootManager.findLibraryOrderEntry(library)?.scope = DependencyScope.PROVIDED
	moduleRootManager.commit()

	show(library)
}