com.yahoo.vespa.testrunner.HtmlLogger Maven / Gradle / Ivy
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.testrunner;
import org.fusesource.jansi.HtmlAnsiOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import static java.nio.charset.StandardCharsets.UTF_8;
/**
* Converts ANSI output to HTML-safe log records
*
* @author jonmv
*/
public class HtmlLogger {
public static final Level HTML = new Level("html", 1) { };
private final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
public LogRecord toLog(String line) {
if (line.length() > 1 << 13)
line = line.substring(0, 1 << 13) + " ... (" + (line.length() - (1 << 13)) + " more bytes truncated)";
buffer.reset();
try (PrintStream formatter = new PrintStream(new HtmlAnsiOutputStream(buffer))) {
formatter.print(line);
}
return new LogRecord(HTML, buffer.toString(UTF_8));
}
}