/
CommandEncoder.java
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/
CommandEncoder.java
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package org.apache.maven.surefire.stream;
/*
* 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 org.apache.maven.surefire.api.booter.MasterProcessCommand;
import org.apache.maven.surefire.api.stream.AbstractStreamEncoder;
import javax.annotation.Nonnull;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.WritableByteChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import static org.apache.maven.surefire.api.booter.Constants.DEFAULT_STREAM_ENCODING;
import static org.apache.maven.surefire.api.booter.Constants.DEFAULT_STREAM_ENCODING_BYTES;
import static org.apache.maven.surefire.api.booter.Constants.MAGIC_NUMBER_FOR_COMMANDS_BYTES;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.BYE_ACK;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.NOOP;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.RUN_CLASS;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.SHUTDOWN;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.SKIP_SINCE_NEXT_TEST;
import static org.apache.maven.surefire.api.booter.MasterProcessCommand.TEST_SET_FINISHED;
/**
*
*/
public class CommandEncoder extends AbstractStreamEncoder<MasterProcessCommand> implements AutoCloseable
{
private final WritableByteChannel out;
public CommandEncoder( WritableByteChannel out )
{
super( out );
this.out = out;
}
public void sendRunClass( String testClassName ) throws IOException
{
CharsetEncoder encoder = newCharsetEncoder();
int bufferMaxLength = estimateBufferLength( RUN_CLASS.getOpcodeLength(), null, encoder, 0, 0, testClassName );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encode( encoder, result, RUN_CLASS, testClassName );
write( result, true );
}
public void sendTestSetFinished() throws IOException
{
int bufferMaxLength = estimateBufferLength( TEST_SET_FINISHED.getOpcodeLength(), null, null, 0, 0 );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encodeHeader( result, TEST_SET_FINISHED );
write( result, true );
}
public void sendSkipSinceNextTest() throws IOException
{
int bufferMaxLength = estimateBufferLength( SKIP_SINCE_NEXT_TEST.getOpcodeLength(), null, null, 0, 0 );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encodeHeader( result, SKIP_SINCE_NEXT_TEST );
write( result, true );
}
public void sendShutdown( String shutdownData ) throws IOException
{
CharsetEncoder encoder = newCharsetEncoder();
int bufferMaxLength = estimateBufferLength( SHUTDOWN.getOpcodeLength(), null, encoder, 0, 0, shutdownData );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encode( encoder, result, SHUTDOWN, shutdownData );
write( result, true );
}
public void sendNoop() throws IOException
{
int bufferMaxLength = estimateBufferLength( NOOP.getOpcodeLength(), null, null, 0, 0 );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encodeHeader( result, NOOP );
write( result, true );
}
public void sendByeAck() throws IOException
{
int bufferMaxLength = estimateBufferLength( BYE_ACK.getOpcodeLength(), null, null, 0, 0 );
ByteBuffer result = ByteBuffer.allocate( bufferMaxLength );
encodeHeader( result, BYE_ACK );
write( result, true );
}
@Nonnull
@Override
protected final byte[] getEncodedMagicNumber()
{
return MAGIC_NUMBER_FOR_COMMANDS_BYTES;
}
@Nonnull
@Override
protected final byte[] enumToByteArray( MasterProcessCommand masterProcessCommand )
{
return masterProcessCommand.getOpcodeBinary();
}
@Nonnull
@Override
protected final byte[] getEncodedCharsetName()
{
return DEFAULT_STREAM_ENCODING_BYTES;
}
@Nonnull
@Override
protected final Charset getCharset()
{
return DEFAULT_STREAM_ENCODING;
}
@Nonnull
@Override
protected final CharsetEncoder newCharsetEncoder()
{
return getCharset().newEncoder();
}
@Override
public void close() throws IOException
{
out.close();
}
}