com.backendless.writer.serialization.BlConfigurationItemDescriptionOptionsDeserializer Maven / Gradle / Ivy

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package com.backendless.writer.serialization;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

import java.io.IOException;

public class BlConfigurationItemDescriptionOptionsDeserializer extends JsonDeserializer
{
  @Override
  public String deserialize( JsonParser jsonParser, DeserializationContext deserializationContext ) throws IOException
  {
    if (jsonParser.getCurrentToken() == JsonToken.VALUE_STRING)
      return jsonParser.getValueAsString();

    String[] values = jsonParser.readValueAs( String[].class );
    if (values == null)
      return "";

    StringBuilder sb = new StringBuilder();
    for( String val : values )
      sb.append( val ).append( ',' );
    sb.setLength( sb.length() - 1 );
    return sb.toString();
  }
}