ConsoleHandler (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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java.util.logging
Class ConsoleHandler

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

public class ConsoleHandler
extends StreamHandler
extends StreamHandler

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

Constructor Summary

ConsoleHandler()
          Create a ConsoleHandler for System.err.

Method Summary

void close()
          Override StreamHandler.close to do a flush but not to close the output stream.

void publish(LogRecord record)
          Publish a LogRecord.

Methods inherited from class java.util.logging.StreamHandler

flush, isLoggable, setEncoding, setOutputStream

Methods inherited from class java.util.logging.Handler

getEncoding, getErrorManager, getFilter, getFormatter, getLevel, reportError, setErrorManager, setFilter, setFormatter, setLevel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`ConsoleHandler()` Create a `ConsoleHandler` for `System.err`.

Method Summary
`void`	`close()` Override `StreamHandler.close` to do a flush but not to close the output stream.
`void`	`publish(LogRecord record)` Publish a `LogRecord`.

Methods inherited from class java.util.logging.StreamHandler
`flush, isLoggable, setEncoding, setOutputStream`

Methods inherited from class java.util.logging.Handler
`getEncoding, getErrorManager, getFilter, getFormatter, getLevel, reportError, setErrorManager, setFilter, setFormatter, setLevel`

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

Constructor Detail

ConsoleHandler

public ConsoleHandler()

Create a ConsoleHandler for System.err.

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

Method Detail

publish

public void publish(LogRecord record)

Publish a LogRecord.

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

Overrides:: publish in class StreamHandler

Parameters:: record - description of the log event. A null record is silently ignored and is not published

close

public void close()

Override StreamHandler.close to do a flush but not to close the output stream. That is, we do not close System.err.

Overrides:: close in class StreamHandler