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/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for
 *  additional information regarding copyright ownership.
 *
 *  GraphHopper GmbH 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 com.graphhopper.http;

import com.graphhopper.jackson.MultiException;
import com.graphhopper.util.Helper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

@Provider
public class MultiExceptionMapper implements ExceptionMapper {
    private static final Logger logger = LoggerFactory.getLogger(MultiExceptionMapper.class);

    @Override
    public Response toResponse(MultiException e) {
        logger.info("bad request: " + (Helper.isEmpty(e.getMessage())
                ? (e.getErrors().isEmpty() ? "unknown reason" : e.getErrors().toString())
                : e.getErrors()));
        return Response.status(Response.Status.BAD_REQUEST)
                .entity(e)
                .build();
    }
}