/scalate-core/src/main/scala/org/fusesource/scalate/osgi/BundleClassLoader.scala
Scala | 43 lines | 19 code | 4 blank | 20 comment | 4 complexity | 7afa934025441b4d91cd8ac52d00845e MD5 | raw file
- /**
- * Copyright (C) 2009-2011 the original author or authors.
- * See the notice.md file distributed with this work for additional
- * information regarding copyright ownership.
- *
- * 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.fusesource.scalate.osgi
- import org.osgi.framework.Bundle
- /**
- * A helper class to determine if the class loader provides access to an OSGi Bundle instance
- */
- object BundleClassLoader {
- type BundleClassLoader = {
- def getBundle: Bundle
- }
- def unapply(ref: AnyRef): Option[BundleClassLoader] = {
- if (ref == null) return None
- try {
- val method = ref.getClass.getMethod("getBundle")
- if (method.getReturnType == classOf[Bundle])
- Some(ref.asInstanceOf[BundleClassLoader])
- else
- None
- } catch {
- case e: NoSuchMethodException => None
- }
- }
- }