001/**
002 * Copyright (C) 2006-2020 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.server.front.error;
017
018import java.util.concurrent.CompletionException;
019
020import javax.enterprise.context.Dependent;
021import javax.ws.rs.core.Context;
022import javax.ws.rs.core.Response;
023import javax.ws.rs.ext.ExceptionMapper;
024import javax.ws.rs.ext.Provider;
025import javax.ws.rs.ext.Providers;
026
027import org.talend.sdk.component.server.front.model.ErrorDictionary;
028import org.talend.sdk.component.server.front.model.error.ErrorPayload;
029
030@Provider
031@Dependent
032public class CompletionExceptionExceptionMapper implements ExceptionMapper<CompletionException> {
033
034    @Context
035    private Providers providers;
036
037    @Override
038    public Response toResponse(final CompletionException exception) {
039        final Throwable cause = exception.getCause();
040        if (cause != null) {
041            final Class type = cause.getClass();
042            return providers.getExceptionMapper(type).toResponse(cause);
043        }
044        return Response
045                .serverError()
046                .entity(new ErrorPayload(ErrorDictionary.UNEXPECTED, exception.getMessage()))
047                .build();
048    }
049}