| package org.apache.maven.surefire.api.util.internal; |
| |
| /* |
| * 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 java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.ClosedChannelException; |
| import java.nio.channels.NonWritableChannelException; |
| |
| /** |
| * The channel used for writes which cannot be implicitly closed after the operational Thread |
| * is {@link Thread#isInterrupted() interrupted}. |
| * |
| * @since 3.0.0-M5 |
| */ |
| abstract class AbstractNoninterruptibleWritableChannel implements WritableBufferedByteChannel |
| { |
| private volatile boolean open = true; |
| |
| protected abstract void writeImpl( ByteBuffer src ) throws IOException; |
| protected abstract void closeImpl() throws IOException; |
| protected abstract void flushImpl() throws IOException; |
| |
| @Override |
| public final int write( ByteBuffer src ) throws IOException |
| { |
| return write( src, true ); |
| } |
| |
| @Override |
| public final void writeBuffered( ByteBuffer src ) throws IOException |
| { |
| write( src, false ); |
| } |
| |
| int write( ByteBuffer src, boolean flush ) throws IOException |
| { |
| if ( !isOpen() ) |
| { |
| throw new ClosedChannelException(); |
| } |
| |
| if ( !src.hasArray() || src.isReadOnly() ) |
| { |
| throw new NonWritableChannelException(); |
| } |
| |
| if ( src.remaining() != src.capacity() ) |
| { |
| src.flip(); |
| } |
| |
| int countWrittenBytes = 0; |
| |
| if ( src.hasRemaining() ) |
| { |
| countWrittenBytes = src.remaining(); |
| writeImpl( src ); |
| src.position( src.limit() ); |
| if ( flush ) |
| { |
| flushImpl(); |
| } |
| } |
| return countWrittenBytes; |
| } |
| |
| @Override |
| public final boolean isOpen() |
| { |
| return open; |
| } |
| |
| @Override |
| public final void close() throws IOException |
| { |
| open = false; |
| closeImpl(); |
| } |
| } |