verigraph/src/it/polito/verigraph/serializer/CustomConfigurationSerializer.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 Politecnico di Torino and others.
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Apache License, Version 2.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *******************************************************************************/
   9 package it.polito.verigraph.serializer;
  10
  11 import java.io.IOException;
  12 import com.fasterxml.jackson.core.JsonGenerator;
  13 import com.fasterxml.jackson.core.JsonProcessingException;
  14 import com.fasterxml.jackson.databind.JsonSerializer;
  15 import com.fasterxml.jackson.databind.SerializerProvider;
  16 import it.polito.verigraph.exception.InternalServerErrorException;
  17 import it.polito.verigraph.model.Configuration;
  18
  19 public class CustomConfigurationSerializer extends JsonSerializer<Configuration> {
  20
  21     @Override
  22     public void serialize(Configuration conf, JsonGenerator jgen, SerializerProvider provider)
  23             throws IOException, JsonProcessingException {
  24         try {
  25             jgen.writeObject(conf.getConfiguration());
  26         } catch (IOException e) {
  27             throw new InternalServerErrorException("I/O error serializing a configuration object: " + e.getMessage());
  28         }
  29     }
  30
  31 }