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The PKI Connector RESTAPI is a library that helps developing new PKI Connectors for TrustedX

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package com.safelayer.rap.rest.impl;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.Map;

import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;

import org.slf4j.Logger;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.safelayer.rap.json.JsonExceptionMessage;

public class ExceptionHandler {

	
	static public Response handleError(Logger logger, Status status, Exception e, Map details) throws JsonProcessingException {
		logger.error(e.getLocalizedMessage(), e);

		String stackTrace = getStackTrace(e);
		details.put("stackTrace", stackTrace);		
				
		ObjectMapper objectMapper = new ObjectMapper();
		JsonExceptionMessage message = new JsonExceptionMessage(e.getClass().getSimpleName(), e.getMessage(), details);

		return Response.status(status).entity(objectMapper.writeValueAsString(message)).build();
	}

	private static String getStackTrace(Exception e) {
		String stackTrace = "";
		try {

			ByteArrayOutputStream os = new ByteArrayOutputStream();
			PrintStream ps = new PrintStream(os);
			e.printStackTrace(ps);
			
			stackTrace = os.toString("UTF-8");
				
		} 
		catch (Exception ex) {
		}
		
		return stackTrace;
	}
	
}