WebApplicationExceptionMapper.java

package nl.knaw.huygens.alexandria.jersey.exceptionmappers;

/*
 * #%L
 * alexandria-main
 * =======
 * Copyright (C) 2015 - 2017 Huygens ING (KNAW)
 * =======
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import javax.inject.Singleton;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import nl.knaw.huygens.alexandria.exception.ErrorEntityBuilder;

@Singleton
@Provider
public class WebApplicationExceptionMapper implements ExceptionMapper<WebApplicationException> {
  private final static Logger LOG = LoggerFactory.getLogger(WebApplicationExceptionMapper.class);

  @Override
  public Response toResponse(WebApplicationException e) {
    LOG.error("error:{}", e);
    Response response = e.getResponse();
    return Response//
        .status(response.getStatus())//
        .type(MediaType.APPLICATION_JSON)//
        .entity(ErrorEntityBuilder.build(e.getMessage()))//
        .build();
  }

}