/*
    * 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.
   */
  package org.apache.maven.surefire.booter.spi;
  
  import javax.annotation.Nonnull;
  
  import java.io.IOException;
  import java.net.MalformedURLException;
  
  import org.apache.maven.surefire.api.booter.MasterProcessChannelDecoder;
  import org.apache.maven.surefire.api.booter.MasterProcessChannelEncoder;
  import org.apache.maven.surefire.api.fork.ForkNodeArguments;
  import org.apache.maven.surefire.api.util.internal.WritableBufferedByteChannel;
  
  import static org.apache.maven.surefire.api.util.internal.Channels.newBufferedChannel;
  
  /**
   * Producer of encoder and decoder for process pipes.
   * <br>
   *
   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
   * @since 3.0.0-M5
   */
  public class LegacyMasterProcessChannelProcessorFactory extends AbstractMasterProcessChannelProcessorFactory {
      private static final int FLUSH_PERIOD_MILLIS = 100;
  
      @Override
      public boolean canUse(String channelConfig) {
          return channelConfig.startsWith("pipe://");
      }
  
      @Override
      public void connect(String channelConfig) throws IOException {
          if (!canUse(channelConfig)) {
              throw new MalformedURLException("Unknown channel string " + channelConfig);
          }
      }
  
      @Override
      public MasterProcessChannelDecoder createDecoder(@Nonnull ForkNodeArguments forkingArguments) {
          return new CommandChannelDecoder(newBufferedChannel(System.in), forkingArguments);
      }
  
      @Override
      public MasterProcessChannelEncoder createEncoder(@Nonnull ForkNodeArguments forkingArguments) {
          WritableBufferedByteChannel channel = newBufferedChannel(System.out);
          schedulePeriodicFlusher(FLUSH_PERIOD_MILLIS, channel);
          return new EventChannelEncoder(channel);
      }
  }