com.github.lynxdb.server.api.http.handlers.EpError.java Source code

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Here is the source code for com.github.lynxdb.server.api.http.handlers.EpError.java

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/*
 * The MIT License
 *
 * Copyright 2016 honorem.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.github.lynxdb.server.api.http.handlers;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.web.ErrorAttributes;
import org.springframework.boot.autoconfigure.web.ErrorController;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.ServletRequestAttributes;

/**
 *
 * @author honorem
 */
@RestController
@RequestMapping(EpError.ENDPOINT)
public class EpError implements ErrorController {

    public static final String ENDPOINT = "/error";

    @Autowired
    private ErrorAttributes errorAttributes;

    @RequestMapping(value = "", produces = MediaType.APPLICATION_JSON_VALUE)
    public ResponseEntity error(HttpServletRequest request, HttpServletResponse response) {

        HttpStatus status = HttpStatus.valueOf((int) request.getAttribute("javax.servlet.error.status_code"));

        ObjectMapper mapper = new ObjectMapper();
        ObjectNode error = mapper.createObjectNode();
        error.put("code", status.value());
        error.put("message", status.getReasonPhrase());
        error.put("details", getErrorAttributes(request, true).get("message").toString());
        if (getErrorAttributes(request, true).get("exception") != null) {
            error.put("trace", getErrorAttributes(request, true).get("exception").toString() + "\n"
                    + getErrorAttributes(request, true).get("trace").toString());
        }

        return ResponseEntity.status(status).body(error.toString());
    }

    @Override
    public String getErrorPath() {
        return ENDPOINT;
    }

    private Map<String, Object> getErrorAttributes(HttpServletRequest request, boolean includeStackTrace) {
        RequestAttributes requestAttributes = new ServletRequestAttributes(request);
        return errorAttributes.getErrorAttributes(requestAttributes, includeStackTrace);
    }

}