graphql.kickstart.autoconfigure.editor.playground.ResourceSerializer Maven / Gradle / Ivy

Go to download

package graphql.kickstart.autoconfigure.editor.playground;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import org.springframework.boot.jackson.JsonComponent;
import org.springframework.core.io.Resource;
import org.springframework.util.StreamUtils;

@JsonComponent
public class ResourceSerializer extends JsonSerializer {
  @Override
  public void serialize(
      final Resource value, final JsonGenerator gen, final SerializerProvider serializers)
      throws IOException {
    final String content = StreamUtils.copyToString(value.getInputStream(), StandardCharsets.UTF_8);
    gen.writeString(content);
  }
}