// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty;
import org.eclipse.jetty.util.ByteArrayISO8859Writer;
import org.eclipse.jetty.util.StringUtil;
import java.io.IOException;
/**
* Creates HTML body having the status code, error message and request uri.
* The body is constructed from a template that is inspired by the default Jetty template (see {@link org.eclipse.jetty.server.Response#sendError(int, String)}).
* The content is written using the ISO-8859-1 charset.
*
* @author bjorncs
*/
class ErrorResponseContentCreator {
private final ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(2048);
byte[] createErrorContent(String requestUri, int statusCode, String message) {
String sanitizedString = message != null ? StringUtil.sanitizeXmlString(message) : "";
String statusCodeString = Integer.toString(statusCode);
writer.resetWriter();
try {
writer.write("\n\n\nError ");
writer.write(statusCodeString);
writer.write("\n\n\nHTTP ERROR: ");
writer.write(statusCodeString);
writer.write("
\nProblem accessing ");
writer.write(StringUtil.sanitizeXmlString(requestUri));
writer.write(". Reason:\n
");
writer.write(sanitizedString);
writer.write("\n
\n\n\n");
} catch (IOException e) {
// IOException should not be thrown unless writer is constructed using byte[] parameter
throw new RuntimeException(e);
}
return writer.getByteArray();
}
}