content: /*
   * 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
   *
   *     https://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.avro.ipc.reflect;
  
  import java.io.IOException;
  
  import org.apache.avro.Schema;
  import org.apache.avro.Protocol;
  import org.apache.avro.io.Encoder;
  import org.apache.avro.io.DatumReader;
  import org.apache.avro.io.DatumWriter;
  import org.apache.avro.ipc.specific.SpecificResponder;
  import org.apache.avro.reflect.ReflectData;
  import org.apache.avro.reflect.ReflectDatumReader;
  import org.apache.avro.reflect.ReflectDatumWriter;
  
  /** {@link org.apache.avro.ipc.Responder} for existing interfaces. */
  public class ReflectResponder extends SpecificResponder {
    public ReflectResponder(Class iface, Object impl) {
      this(iface, impl, new ReflectData(impl.getClass().getClassLoader()));
    }
  
    public ReflectResponder(Protocol protocol, Object impl) {
      this(protocol, impl, new ReflectData(impl.getClass().getClassLoader()));
    }
  
    public ReflectResponder(Class iface, Object impl, ReflectData data) {
      this(data.getProtocol(iface), impl, data);
    }
  
    public ReflectResponder(Protocol protocol, Object impl, ReflectData data) {
      super(protocol, impl, data);
    }
  
    public ReflectData getReflectData() {
      return (ReflectData) getSpecificData();
    }
  
    @Override
    protected DatumWriter<Object> getDatumWriter(Schema schema) {
      return new ReflectDatumWriter<>(schema, getReflectData());
    }
  
    @Override
    protected DatumReader<Object> getDatumReader(Schema actual, Schema expected) {
      return new ReflectDatumReader<>(actual, expected, getReflectData());
    }
  
    @Override
    public void writeError(Schema schema, Object error, Encoder out) throws IOException {
      if (error instanceof CharSequence)
        error = error.toString(); // system error: convert
      super.writeError(schema, error, out);
    }
  
  }
  