001/*
002 * Copyright 2015-2018 Ping Identity Corporation
003 *
004 * This program is free software; you can redistribute it and/or modify
005 * it under the terms of the GNU General Public License (GPLv2 only)
006 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
007 * as published by the Free Software Foundation.
008 *
009 * This program is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012 * GNU General Public License for more details.
013 *
014 * You should have received a copy of the GNU General Public License
015 * along with this program; if not, see <http://www.gnu.org/licenses>.
016 */
017
018package com.unboundid.scim2.server.providers;
019
020import com.unboundid.scim2.common.exceptions.BadRequestException;
021import com.unboundid.scim2.common.messages.ErrorResponse;
022import com.unboundid.scim2.server.utils.ServerUtils;
023
024import javax.ws.rs.WebApplicationException;
025import javax.ws.rs.core.Context;
026import javax.ws.rs.core.HttpHeaders;
027import javax.ws.rs.core.NoContentException;
028import javax.ws.rs.core.Request;
029import javax.ws.rs.core.Response;
030import javax.ws.rs.ext.ExceptionMapper;
031import javax.ws.rs.ext.Provider;
032
033/**
034 * A JAX-RS ExceptionMapper for to convert standard WebApplicationExceptions to
035 * SCIM ErrorResponses.
036 */
037@Provider
038public class RuntimeExceptionMapper implements
039    ExceptionMapper<RuntimeException>
040{
041  @Context
042  private Request request;
043  @Context
044  private HttpHeaders headers;
045
046  /**
047   * {@inheritDoc}
048   */
049  public Response toResponse(final RuntimeException exception)
050  {
051    ErrorResponse errorResponse;
052
053    if(exception instanceof WebApplicationException)
054    {
055      if(exception.getCause() != null && exception.getCause()
056          instanceof NoContentException)
057      {
058        errorResponse = new ErrorResponse(400);
059        errorResponse.setScimType(BadRequestException.INVALID_SYNTAX);
060        errorResponse.setDetail("No content provided. A valid SCIM object " +
061            "represented as a json document is required");
062      }
063      else
064      {
065        errorResponse = new ErrorResponse(
066            ((WebApplicationException) exception).getResponse().getStatus());
067        errorResponse.setDetail(exception.getMessage());
068      }
069    }
070    else
071    {
072      errorResponse = new ErrorResponse(500);
073      errorResponse.setDetail(exception.toString());
074    }
075
076    return ServerUtils.setAcceptableType(
077        Response.status(errorResponse.getStatus()).entity(errorResponse),
078        headers.getAcceptableMediaTypes()).build();
079  }
080}