diff options
Diffstat (limited to 'kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala')
-rw-r--r-- | kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala b/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala deleted file mode 100644 index 1640d2c6..00000000 --- a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala +++ /dev/null @@ -1,76 +0,0 @@ -/* ========================================================================================= - * Copyright © 2013-2016 the kamon project <http://kamon.io/> - * - * 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 kamon.autoweave.loader - -import java.io.File -import java.net.{URL, URLClassLoader} -import java.security.{AccessController, PrivilegedAction} - -import scala.util.control.NonFatal -import scala.util.{Failure, Success, Try} - -object AttachmentProviders { - - sealed trait AttachmentProvider { - def resolve(): Option[Class[_]] - } - - trait DefaultAttachmentProvider extends AttachmentProvider { - val VirtualMachineTyeName = "com.sun.tools.attach.VirtualMachine" - - def toolsJarPath: String - - /** - * Gets the current HotSpotVirtualMachine implementation otherwise a None. - * - * @return - * Returns the HotSpotVirtualMachine implementation of the running JVM. - */ - def resolve(): Option[Class[_]] = { - val toolsJar = new File(System.getProperty("java.home").replace('\\', '/') + "/" + toolsJarPath) - if (toolsJar.isFile && toolsJar.canRead) { - Try(AccessController.doPrivileged(new ClassLoaderCreationAction(toolsJar)).loadClass(VirtualMachineTyeName)) match { - case Success(vm) ⇒ Some(vm) - case Failure(NonFatal(_)) ⇒ None - } - } else None - } - } - - case object JVM extends DefaultAttachmentProvider { val toolsJarPath = "../lib/tools.jar" } - case object JDK extends DefaultAttachmentProvider { val toolsJarPath = "lib/tools.jar" } - case object MAC extends DefaultAttachmentProvider { val toolsJarPath = "../Classes/classes.jar" } - case object IBM extends AttachmentProvider { - - val IBMVirtualMachineTyeName = "com.ibm.tools.attach.VirtualMachine" - - override def resolve(): Option[Class[_]] = { - Try(ClassLoader.getSystemClassLoader.loadClass(IBMVirtualMachineTyeName)) match { - case Success(vm) ⇒ Some(vm) - case Failure(NonFatal(_)) ⇒ None - } - } - } - - private val providers = Seq(JVM, JDK, MAC, IBM) - - private final class ClassLoaderCreationAction(toolsJar: File) extends PrivilegedAction[ClassLoader] { - override def run(): ClassLoader = new URLClassLoader(Array[URL](toolsJar.toURI.toURL), null) - } - - def resolve(): Option[Class[_]] = - providers.iterator.map(_.resolve()).collectFirst { case Some(clazz) ⇒ clazz } -} |