content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.handler;
  
  import static java.util.Objects.requireNonNull;
  
  import java.util.List;
  
  import org.jboss.netty.buffer.ChannelBufferFactory;
  import org.jboss.netty.channel.Channel;
  
  import io.aklivity.k3po.runtime.driver.internal.behavior.handler.codec.ChannelEncoder;
  import io.aklivity.k3po.runtime.driver.internal.behavior.handler.codec.MessageEncoder;
  import io.aklivity.k3po.runtime.lang.types.StructuredTypeInfo;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.ZillaChannel;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.ZillaChannelConfig;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.ZillaExtensionKind;
  
  public final class ZillaExtensionEncoder implements ChannelEncoder
  {
      private final ZillaExtensionKind writeExtKind;
      private final StructuredTypeInfo type;
      private final List<MessageEncoder> encoders;
  
      public ZillaExtensionEncoder(
          ZillaExtensionKind writeExtKind,
          StructuredTypeInfo type,
          List<MessageEncoder> encoders)
      {
          this.writeExtKind = writeExtKind;
          this.type = type;
          this.encoders = requireNonNull(encoders);
      }
  
      @Override
      public void encode(
          Channel channel) throws Exception
      {
          encode((ZillaChannel) channel);
      }
  
      @Override
      public String toString()
      {
          StringBuilder sb = new StringBuilder();
          sb.append(type.getQualifiedName()).append(' ');
          for (MessageEncoder encoder : encoders)
          {
              sb.append(encoder).append(' ');
          }
          sb.setLength(sb.length() - 1);
          return sb.toString();
      }
  
      private void encode(
          ZillaChannel channel)
      {
          ZillaChannelConfig config = channel.getConfig();
          ChannelBufferFactory bufferFactory = config.getBufferFactory();
          for (MessageEncoder encoder : encoders)
          {
              writeExtKind.encodeBuffer(channel).writeBytes(encoder.encode(bufferFactory));
          }
      }
  }
  