gov.nasa.pds.api.registry.view.HtmlErrorMessageSerializer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of registry-api-service Show documentation

Registry API Service contributing to the PDS Federated Search API

There is a newer version: 4.5.6

package gov.nasa.pds.api.registry.view;

import java.io.IOException;
import java.io.OutputStreamWriter;

import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import org.springframework.http.converter.AbstractHttpMessageConverter;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.http.converter.HttpMessageNotWritableException;

import gov.nasa.pds.model.ErrorMessage;

public class HtmlErrorMessageSerializer extends AbstractHttpMessageConverter {
  public HtmlErrorMessageSerializer() {
    super(MediaType.TEXT_HTML);
  }

  @Override
  protected boolean supports(Class clazz) {
    return ErrorMessage.class.isAssignableFrom(clazz);
  }

  @Override
  protected ErrorMessage readInternal(Class clazz,
      HttpInputMessage inputMessage) throws IOException, HttpMessageNotReadableException {
    return new ErrorMessage();
  }

  @Override
  protected void writeInternal(ErrorMessage t, HttpOutputMessage outputMessage)
      throws IOException, HttpMessageNotWritableException {
    outputMessage.getHeaders().setContentType(MediaType.TEXT_HTML); // must be before body is fetched
    OutputStreamWriter osw = new OutputStreamWriter(outputMessage.getBody(), "UTF-8");
    try {
      osw.write("Error Message
From Request
");
      osw.write(t.getRequest());
      osw.write("
Message
");
      osw.write(t.getMessage());
      osw.write("");
    } finally {
      osw.close();
    }
  }
}