| package org.apache.maven.surefire.extensions.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import javax.annotation.Nonnull; |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.channels.Channel; |
| import java.nio.channels.ClosedChannelException; |
| import java.nio.channels.ReadableByteChannel; |
| import java.nio.channels.WritableByteChannel; |
| |
| import static org.apache.maven.surefire.api.util.internal.Channels.newBufferedChannel; |
| |
| /** |
| * |
| */ |
| public final class CommandlineStreams implements Closeable |
| { |
| private final ReadableByteChannel stdOutChannel; |
| private final ReadableByteChannel stdErrChannel; |
| private final WritableByteChannel stdInChannel; |
| private volatile boolean closed; |
| |
| public CommandlineStreams( @Nonnull Process process ) |
| { |
| InputStream stdOutStream = process.getInputStream(); |
| stdOutChannel = newBufferedChannel( stdOutStream ); |
| |
| InputStream stdErrStream = process.getErrorStream(); |
| stdErrChannel = newBufferedChannel( stdErrStream ); |
| |
| stdInChannel = newBufferedChannel( process.getOutputStream() ); |
| } |
| |
| public ReadableByteChannel getStdOutChannel() |
| { |
| return stdOutChannel; |
| } |
| |
| public ReadableByteChannel getStdErrChannel() |
| { |
| return stdErrChannel; |
| } |
| |
| public WritableByteChannel getStdInChannel() |
| { |
| return stdInChannel; |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| if ( closed ) |
| { |
| return; |
| } |
| |
| try ( Channel c1 = stdOutChannel; |
| Channel c2 = stdErrChannel; |
| Channel c3 = stdInChannel ) |
| { |
| closed = true; |
| } |
| catch ( ClosedChannelException e ) |
| { |
| // already closed externally |
| } |
| } |
| } |