109 lines
2.7 KiB
Kotlin
109 lines
2.7 KiB
Kotlin
/*
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* Copyright 2020 dorkbox, llc
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* Copyright (C) 2014 ZeroTurnaround <support@zeroturnaround.com>
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* Contains fragments of code from Apache Commons Exec, rights owned
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* by Apache Software Foundation (ASF).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.executor.listener
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import dorkbox.executor.Executor
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import dorkbox.executor.processResults.ProcessResult
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import java.util.concurrent.CopyOnWriteArrayList
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/**
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* Composite process event handler.
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*
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* @author Rein Raudjärv
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*/
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class CompositeProcessListener : ProcessListener, Cloneable {
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private val children: MutableList<ProcessListener> = CopyOnWriteArrayList()
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constructor() {
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// no children
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}
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constructor(children: List<ProcessListener>) {
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this.children.addAll(children)
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}
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/**
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* Add new listener.
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*
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* @param listener listener to be added.
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*/
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fun add(listener: ProcessListener) {
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children.add(listener)
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}
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/**
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* Remove existing listener.
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*
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* @param listener listener to be removed.
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*/
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fun remove(listener: ProcessListener) {
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children.remove(listener)
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}
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/**
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* Remove existing listeners of given type or its sub-types.
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*
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* @param type listener type.
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*/
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fun removeAll(type: Class<out ProcessListener>) {
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val it = children.iterator()
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while (it.hasNext()) {
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if (type.isInstance(it.next())) {
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it.remove()
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}
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}
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}
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/**
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* Remove all existing listeners.
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*/
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fun clear() {
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children.clear()
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}
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public override fun clone(): CompositeProcessListener {
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return CompositeProcessListener(children)
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}
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override fun beforeStart(executor: Executor) {
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children.forEach {
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it.beforeStart(executor)
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}
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}
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override fun afterStart(process: Process, executor: Executor) {
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children.forEach {
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it.afterStart(process, executor)
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}
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}
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override fun afterFinish(process: Process, result: ProcessResult) {
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children.forEach {
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it.afterFinish(process, result)
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}
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}
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override fun afterStop(process: Process) {
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children.forEach {
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it.afterStop(process)
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}
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}
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}
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