package org.apache.maven.surefire.booter.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.ForkedProcessEventType;
  import org.apache.maven.surefire.api.stream.AbstractStreamEncoder;
  import org.apache.maven.surefire.api.util.internal.WritableBufferedByteChannel;
  
  import javax.annotation.Nonnull;
  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_EVENTS_BYTES;
  
  /**
   *
   */
  public class EventEncoder extends AbstractStreamEncoder<ForkedProcessEventType>
  {
      public EventEncoder( WritableBufferedByteChannel out )
      {
          super( out );
      }
  
      @Nonnull
      @Override
      protected final byte[] getEncodedMagicNumber()
      {
          return MAGIC_NUMBER_FOR_EVENTS_BYTES;
      }
  
      @Nonnull
      @Override
      protected final byte[] enumToByteArray( @Nonnull ForkedProcessEventType e )
      {
          return e.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();
      }
  }