D-Net

package eu.dnetlib.uoaadmintoolslibrary.controllers;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.boot.autoconfigure.web.ErrorAttributes;

import org.springframework.boot.autoconfigure.web.ErrorController;

import org.springframework.util.Assert;

import org.springframework.web.bind.annotation.CrossOrigin;

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;

import javax.servlet.http.HttpServletRequest;

import java.util.Map;

/**

 * Created by argirok on 8/3/2018.

 */

@RestController

@CrossOrigin(origins = "*")

@RequestMapping("/error")

public class SimpleErrorController implements ErrorController {

    private final ErrorAttributes errorAttributes;

    @Autowired

    public SimpleErrorController(ErrorAttributes errorAttributes) {

        Assert.notNull(errorAttributes, "ErrorAttributes must not be null");

        this.errorAttributes = errorAttributes;

    }

    @Override

    public String getErrorPath() {

        return "/error";

    }

    @RequestMapping

    public Map<String, Object> error(HttpServletRequest aRequest){

        Map<String, Object> body = getErrorAttributes(aRequest,getTraceParameter(aRequest));

        String trace = (String) body.get("trace");

        if(trace != null){

            String[] lines = trace.split("\n\t");

            body.put("trace", lines);

        }

        return body;

    }

    private boolean getTraceParameter(HttpServletRequest request) {

        String parameter = request.getParameter("trace");

        if (parameter == null) {

            return false;

        }

        return !"false".equals(parameter.toLowerCase());

    }

    private Map<String, Object> getErrorAttributes(HttpServletRequest aRequest, boolean includeStackTrace) {

        RequestAttributes requestAttributes = new ServletRequestAttributes(aRequest);

        return errorAttributes.getErrorAttributes(requestAttributes, includeStackTrace);

    }

}