2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 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.common.endpoints.http.server;
23 import com.google.gson.JsonSyntaxException;
24 import javax.ws.rs.Produces;
25 import javax.ws.rs.core.MediaType;
26 import javax.ws.rs.core.Response;
27 import javax.ws.rs.ext.ExceptionMapper;
28 import javax.ws.rs.ext.Provider;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 * Catches JSON exceptions when decoding a REST request and converts them from an HTTP 500
35 * error code to an HTTP 400 error code.
38 @Produces(MediaType.APPLICATION_JSON)
39 public class JsonExceptionMapper implements ExceptionMapper<JsonSyntaxException> {
40 private static Logger logger = LoggerFactory.getLogger(JsonExceptionMapper.class);
43 public Response toResponse(JsonSyntaxException exception) {
44 logger.warn("invalid JSON request", exception);
45 return Response.status(Response.Status.BAD_REQUEST).entity(new SimpleResponse("Invalid request")).build();
49 private static class SimpleResponse {
50 private String errorDetails;
52 public SimpleResponse(String errorDetails) {
53 this.errorDetails = errorDetails;