| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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 com.intellij.util.io; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.util.concurrency.Semaphore; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| public abstract class OutputReader extends BaseOutputReader { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.util.io.OutputReader"); |
| |
| private final Semaphore myReadFullySemaphore = new Semaphore(); |
| |
| |
| public OutputReader(@NotNull Reader reader) { |
| super(reader); |
| start(); |
| } |
| |
| @Override |
| protected void doRun() { |
| try { |
| while (true) { |
| boolean read = readAvailable(); |
| |
| if (!read) { |
| myReadFullySemaphore.up(); |
| } |
| |
| if (isStopped) { |
| break; |
| } |
| |
| Thread.sleep(mySleepingPolicy.getTimeToSleep(read)); |
| } |
| } |
| catch (InterruptedException ignore) { |
| } |
| catch (IOException e) { |
| LOG.info(e); |
| } |
| catch (Exception e) { |
| LOG.error(e); |
| } |
| finally { |
| try { |
| myReader.close(); |
| } |
| catch (IOException e) { |
| LOG.warn("Can't close reader", e); |
| } |
| } |
| } |
| |
| public void readFully() throws InterruptedException { |
| myReadFullySemaphore.down(); |
| while (!myReadFullySemaphore.waitForUnsafe(10)) { |
| if (isStopped) { |
| waitFor(); |
| return; |
| } |
| } |
| } |
| |
| } |