2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.pdpx.main.rest.serialization;
23 import java.io.IOException;
24 import javax.ws.rs.Produces;
25 import javax.ws.rs.core.Response;
26 import javax.ws.rs.ext.ExceptionMapper;
27 import javax.ws.rs.ext.Provider;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
33 * Catches IOException when decoding/encoding a REST xacml request/response and converts them from an HTTP 500
34 * error code to an HTTP 400 error code.
36 * @author Chenfei Gao (cgao@research.att.com)
39 @Produces(XacmlJsonMessageBodyHandler.APPLICATION_XACML_JSON)
40 public class XacmlJsonExceptionMapper implements ExceptionMapper<IOException> {
42 private static final Logger LOGGER = LoggerFactory.getLogger(XacmlJsonExceptionMapper.class);
43 private static final String INVALID_REQUEST = "invalid JSON xacml request";
44 private static final String INVALID_RESPONSE = "invalid JSON xacml response";
47 public Response toResponse(IOException exc) {
48 if (exc.getMessage().contains("json request")) {
49 LOGGER.warn(INVALID_REQUEST, exc);
50 return Response.status(Response.Status.BAD_REQUEST).entity(new SimpleResponse(INVALID_REQUEST)).build();
51 } else if (exc.getMessage().contains("json response")) {
52 LOGGER.warn(INVALID_RESPONSE, exc);
53 return Response.status(Response.Status.BAD_REQUEST).entity(new SimpleResponse(INVALID_RESPONSE)).build();
56 return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
61 private static class SimpleResponse {
62 private String errorDetails;
64 public SimpleResponse(String errorDetails) {
65 this.errorDetails = errorDetails;