public class ConsoleHandler extends StreamHandler
Handler
publishes log records to System.err
. By default the SimpleFormatter
is used to generate brief summaries. Configuration: By default each ConsoleHandler
is initialized using the following LogManager
configuration properties where <handler-name>
refers to the fully-qualified class name of the handler. If properties are not defined (or have invalid values) then the specified default values are used.
Handler
(defaults to Level.INFO
). Filter
class to use (defaults to no Filter
). Formatter
class to use (defaults to java.util.logging.SimpleFormatter
). For example, the properties for ConsoleHandler
would be:
For a custom handler, e.g. com.foo.MyHandler, the properties would be:
Constructor | Description |
---|---|
ConsoleHandler() |
Create a ConsoleHandler for System.err . |
flush, isLoggable, setEncoding, setOutputStream
getEncoding, getErrorManager, getFilter, getFormatter, getLevel, reportError, setErrorManager, setFilter, setFormatter, setLevel
public ConsoleHandler()
ConsoleHandler
for System.err
. The ConsoleHandler
is configured based on LogManager
properties (or their default values).
public void publish(LogRecord record)
LogRecord
. The logging request was made initially to a Logger
object, which initialized the LogRecord
and forwarded it here.
publish
in class StreamHandler
record
- description of the log event. A null record is silently ignored and is not publishedpublic void close()
StreamHandler.close
to do a flush but not to close the output stream. That is, we do not close System.err
.close
in class StreamHandler
© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.logging/java/util/logging/ConsoleHandler.html