java.util.logging: public class: ConsoleHandler

java.util.logging
public class: ConsoleHandler [javadoc | source]

java.lang.Object
   java.util.logging.Handler
      java.util.logging.StreamHandler
         java.util.logging.ConsoleHandler

This 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. If properties are not defined (or have invalid values) then the specified default values are used.

java.util.logging.ConsoleHandler.level specifies the default level for the Handler (defaults to Level.INFO).
java.util.logging.ConsoleHandler.filter specifies the name of a Filter class to use (defaults to no Filter).
java.util.logging.ConsoleHandler.formatter specifies the name of a Formatter class to use (defaults to java.util.logging.SimpleFormatter).
java.util.logging.ConsoleHandler.encoding the name of the character set encoding to use (defaults to the default platform encoding).

since: 1.4 -

Fields inherited from java.util.logging.Handler:
sealed

Constructor:

Constructor:
public ConsoleHandler() { sealed = false; configure(); setOutputStream(System.err); sealed = true; } Create a `ConsoleHandler` for `System.err`. The `ConsoleHandler` is configured based on `LogManager` properties (or their default values).

 public ConsoleHandler() {
        sealed = false;
        configure();
        setOutputStream(System.err);
        sealed = true;
}

Create a ConsoleHandler for System.err.

The ConsoleHandler is configured based on LogManager properties (or their default values).

Method from java.util.logging.ConsoleHandler Summary:
close, publish

Methods from java.util.logging.StreamHandler:
close, flush, isLoggable, publish, setEncoding, setOutputStream

Methods from java.util.logging.Handler:
checkAccess, close, flush, getEncoding, getErrorManager, getFilter, getFormatter, getLevel, isLoggable, publish, reportError, setEncoding, setErrorManager, setFilter, setFormatter, setLevel

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from java.util.logging.ConsoleHandler Detail:
public void close() { flush(); } Override `StreamHandler.close` to do a flush but not to close the output stream. That is, we do not close `System.err`.
public void publish(LogRecord record) { super.publish(record); flush(); } Publish a `LogRecord`. The logging request was made initially to a `Logger` object, which initialized the `LogRecord` and forwarded it here.

Method from java.util.logging.ConsoleHandler Detail:

 public  void close() {
        flush();
}

StreamHandler.close

not

System.err

 public  void publish(LogRecord record) {
        super.publish(record);
        flush();
}

LogRecord

The logging request was made initially to a Logger object, which initialized the LogRecord and forwarded it here.