Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.samza.sql.master.rest.providers; import javax.ws.rs.core.Response; import javax.ws.rs.core.Response.Status; import javax.ws.rs.ext.ExceptionMapper; import javax.ws.rs.ext.Provider; import com.fasterxml.jackson.core.JsonProcessingException; @Provider public class JsonProcessingExceptionMapper implements ExceptionMapper<JsonProcessingException> { public static class Error { public String key; public String message; } @Override public Response toResponse(JsonProcessingException exception) { Error error = new Error(); error.key = "bad-json"; error.message = exception.getMessage(); return Response.status(Status.BAD_REQUEST).entity(error).build(); } }