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
   *
   *      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.camel.quarkus.component.jackson.protobuf.it;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.module.SimpleModule;
  import com.fasterxml.jackson.dataformat.protobuf.ProtobufMapper;
  import com.fasterxml.jackson.dataformat.protobuf.schema.ProtobufSchema;
  import com.fasterxml.jackson.dataformat.protobuf.schema.ProtobufSchemaLoader;
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.core.Response;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.component.jackson.SchemaResolver;
  import org.apache.camel.component.jackson.protobuf.JacksonProtobufDataFormat;
  import org.apache.camel.util.IOHelper;
  
  @Path("/jackson-protobuf")
  @ApplicationScoped
  public class JacksonProtobufResource {
  
      @Inject
      ProducerTemplate producerTemplate;
  
      @Path("/marshal")
      @POST
      public Response protobufJacksonMarshal(String message) {
          Pojo pojo = new Pojo(message);
          byte[] result = producerTemplate.requestBody("direct:marshal-pojo", pojo, byte[].class);
          return Response.ok(result).build();
      }
  
      @Path("/unmarshal/{type}")
      @POST
      @Consumes("application/octet-stream")
      public Response protobufJacksonUnMarshal(@PathParam("type") String type, byte[] message) {
          Response.ResponseBuilder builder = Response.ok();
          String directUri = "direct:unmarshal-" + type;
  
          if (type.equals("pojo") || type.equals("defined-dataformat") || type.equals("quarkus-objectmapper")) {
              Pojo result = producerTemplate.requestBody(directUri, message, Pojo.class);
              builder.entity(result.getText());
          } else if (type.equals("json-node")) {
              JsonNode result = producerTemplate.requestBody(directUri, message, JsonNode.class);
              builder.entity(result.at("/text").asText());
          } else {
              throw new IllegalArgumentException("Unknown unmarshal type: " + type);
          }
  
          return builder.build();
      }
  
      @Named
      public SchemaResolver protobufSchemaResolver() throws IOException {
          try (InputStream resource = JacksonProtobufResource.class.getResourceAsStream("/pojo.proto")) {
              ProtobufSchema schema = ProtobufSchemaLoader.std.parse(IOHelper.loadText(resource));
              return ex -> schema;
          }
      }
  
      @Named
      public JacksonProtobufDataFormat jacksonProtobufDataFormat() {
          JacksonProtobufDataFormat dataFormat = new JacksonProtobufDataFormat();
          dataFormat.setAutoDiscoverObjectMapper(true);
          dataFormat.setAutoDiscoverSchemaResolver(true);
          dataFormat.setUnmarshalType(Pojo.class);
          return dataFormat;
      }
  
      @Named
      public ProtobufMapper protobufMapper() {
          ProtobufMapper protobufMapper = new ProtobufMapper();
          SimpleModule module = new SimpleModule();
          module.addDeserializer(Pojo.class, new StringAppendingDeserializer());
          protobufMapper.registerModule(module);
          return protobufMapper;
      }
  }
  