/*
    * Licensed 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 com.addthis.codec.jackson;
  
  import java.io.IOException;
  
  import com.fasterxml.jackson.core.JsonParser;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.DeserializationContext;
  import com.fasterxml.jackson.databind.JsonDeserializer;
  import com.fasterxml.jackson.databind.deser.DeserializationProblemHandler;
  
  public class UnderscorePropertyIgnorer extends DeserializationProblemHandler {
  
      @Override
      public boolean handleUnknownProperty(DeserializationContext ctxt,
                                           JsonParser jp,
                                           JsonDeserializer<?> deserializer,
                                           Object beanOrClass,
                                           String propertyName) throws IOException, JsonProcessingException {
          if (propertyName.charAt(0) == '_') {
              jp.skipChildren();
              return true;
          }
          return false;
      }
  }