ratpack.error.DebugErrorHandler Maven / Gradle / Ivy
/*
* Copyright 2013 the original author or authors.
*
* Licensed 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 ratpack.error;
import ratpack.handling.Context;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A simple server and client error handler that prints out information in plain text to the response.
*
* This is not suitable for use in production as it exposes internal information about your application via stack traces.
*/
public class DebugErrorHandler implements ServerErrorHandler, ClientErrorHandler {
private final static Logger LOGGER = LoggerFactory.getLogger(DebugErrorHandler.class);
/**
* {@link Exception#printStackTrace() Prints the stacktrace} of the given exception to the response with a 500 status.
*
* @param context The context being processed
* @param throwable The exception that occurred
*/
@Override
public void error(Context context, Throwable throwable) {
Writer writer = new StringWriter();
throwable.printStackTrace(new PrintWriter(writer));
String stackTrace = writer.toString();
LOGGER.error(stackTrace);
context.getResponse().status(500).send(stackTrace);
}
/**
* Prints the string "Client error «statusCode»" to the response as text with the given status code.
*
* @param context The context
* @param statusCode The 4xx status code that explains the problem
*/
@Override
public void error(Context context, int statusCode) {
context.getResponse().status(statusCode).send(String.format("Client error %s", statusCode));
}
}