2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020-2021 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.core.Response;
25 import javax.ws.rs.ext.ExceptionMapper;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
31 * Catches IOException when decoding/encoding a REST xacml request/response and converts them from an HTTP 500
32 * error code to an HTTP 400 error code.
35 public abstract class XacmlExceptionMapper implements ExceptionMapper<IOException> {
36 private static final Logger LOGGER = LoggerFactory.getLogger(XacmlExceptionMapper.class);
39 protected String invalidRequest;
41 protected String invalidResponse;
43 public abstract boolean isInvalidRequest(String message);
45 public abstract boolean isInvalidResponse(String message);
48 public Response toResponse(IOException exc) {
49 if (isInvalidRequest(exc.getMessage())) {
50 LOGGER.warn(invalidRequest, exc);
51 return Response.status(Response.Status.BAD_REQUEST).entity(new SimpleResponse(invalidRequest)).build();
52 } else if (isInvalidResponse(exc.getMessage())) {
53 LOGGER.warn(invalidResponse, exc);
54 return Response.status(Response.Status.BAD_REQUEST).entity(new SimpleResponse(invalidResponse)).build();
57 return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
62 private static class SimpleResponse {
63 private String errorDetails;
65 public SimpleResponse(String errorDetails) {
66 this.errorDetails = errorDetails;