blob: a76acf2f3ac75dcc81f8a826d2c803a8119aff50 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.openwhisk.common
/**
* Helper to match on exceptions caused by other exceptions.
*
* Use this like:
*
* ```
* try {
* block()
* } catch {
* case CausedBy(internalException: MyFancyException) => ...
* }
* ```
*/
object CausedBy {
def unapply(e: Throwable): Option[Throwable] = Option(e.getCause)
}