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.component.jackson;
  
  import com.fasterxml.jackson.core.StreamReadConstraints;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.apache.camel.spi.Metadata;
  import org.apache.camel.spi.annotations.Dataformat;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Marshal POJOs to JSON and back using Jackson.
   */
  @Dataformat("jackson")
  @Metadata(excludeProperties = "library,permissions,dateFormatPattern")
  public class JacksonDataFormat extends AbstractJacksonDataFormat {
  
      private static final Logger LOG = LoggerFactory.getLogger(JacksonDataFormat.class);
  
      /**
       * Use the default Jackson {@link ObjectMapper} and {@link Object}
       */
      public JacksonDataFormat() {
      }
  
      /**
       * Use the default Jackson {@link ObjectMapper} and with a custom unmarshal type
       *
       * @param unmarshalType the custom unmarshal type
       */
      public JacksonDataFormat(Class<?> unmarshalType) {
          super(unmarshalType);
      }
  
      /**
       * Use the default Jackson {@link ObjectMapper} and with a custom unmarshal type and JSON view
       *
       * @param unmarshalType the custom unmarshal type
       * @param jsonView      marker class to specify properties to be included during marshalling. See also
       */
      public JacksonDataFormat(Class<?> unmarshalType, Class<?> jsonView) {
          super(unmarshalType, jsonView);
      }
  
      /**
       * Use a custom Jackson mapper and an unmarshal type
       *
       * @param mapper        the custom mapper
       * @param unmarshalType the custom unmarshal type
       */
      public JacksonDataFormat(ObjectMapper mapper, Class<?> unmarshalType) {
          super(mapper, unmarshalType);
      }
  
      /**
       * Use a custom Jackson mapper, unmarshal type and JSON view
       *
       * @param mapper        the custom mapper
       * @param unmarshalType the custom unmarshal type
       * @param jsonView      marker class to specify properties to be included during marshalling. See also
       */
      public JacksonDataFormat(ObjectMapper mapper, Class<?> unmarshalType, Class<?> jsonView) {
          super(mapper, unmarshalType, jsonView);
      }
  
      @Override
      public String getDataFormatName() {
          return "jackson";
      }
  
      @Override
      protected ObjectMapper createNewObjectMapper() {
          ObjectMapper om = new ObjectMapper();
          int len = getMaxStringLength();
          if (len > 0) {
              LOG.debug("Creating ObjectMapper with maxStringLength: {}", len);
              om.getFactory().setStreamReadConstraints(StreamReadConstraints.builder().maxStringLength(len).build());
          }
          return om;
      }
  
      @Override
      protected Class<? extends ObjectMapper> getObjectMapperClass() {
          return ObjectMapper.class;
      }
  
      @Override
      protected String getDefaultContentType() {
          return "application/json";
      }
  
  }
  