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Java Source Code / Java Documentation » 6.0 JDK Core » Collections Jar Zip Logging regex » java.util.logging

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

java.util.logging .Formatter

All known Subclasses:   java.util.logging .SimpleFormatter,  java.util.logging .XMLFormatter,
Formatter
abstract public class Formatter (Code)
A Formatter provides support for formatting LogRecords.
Typically each logging Handler will have a Formatter associated with it. The Formatter takes a LogRecord and converts it to a string.
Some formatters (such as the XMLFormatter) need to wrap head and tail strings around a set of formatted records. The getHeader and getTail methods can be used to obtain these strings.
version:
   1.24, 05/05/07
since:
   1.4

Constructor Summary
protected Formatter()
     Construct a new formatter.

Method Summary
abstract public String format(LogRecord record)
     Format the given log record and return the formatted string.
public synchronized String formatMessage(LogRecord record)
     Localize and format the message string from a log record.
public String getHead(Handler h)
     Return the header string for a set of formatted records.
public String getTail(Handler h)
     Return the tail string for a set of formatted records.

Constructor Detail
Formatter
protected Formatter()(Code)
Construct a new formatter.

Method Detail
format
abstract public String format(LogRecord record)(Code)
Format the given log record and return the formatted string.
The resulting formatted String will normally include a localized and formated version of the LogRecord's message field. It is recommended to use the Formatter.formatMessage convenience method to localize and format the message field.
Parameters:
  record - the log record to be formatted. the formatted log record

formatMessage
public synchronized String formatMessage(LogRecord record)(Code)
Localize and format the message string from a log record. This method is provided as a convenience for Formatter subclasses to use when they are performing formatting.
The message string is first localized to a format string using the record's ResourceBundle. (If there is no ResourceBundle, or if the message key is not found, then the key is used as the format string.) The format String uses java.text style formatting.

If there are no parameters, no formatter is used.
Otherwise, if the string contains "{0" then java.text.MessageFormat is used to format the string.
Otherwise no formatting is performed.

Parameters:
  record - the log record containing the raw message a localized and formatted message

getHead
public String getHead(Handler h)(Code)
Return the header string for a set of formatted records.
This base class returns an empty string, but this may be overriden by subclasses.
Parameters:
  h - The target handler (can be null) header string

getTail
public String getTail(Handler h)(Code)
Return the tail string for a set of formatted records.
This base class returns an empty string, but this may be overriden by subclasses.
Parameters:
  h - The target handler (can be null) tail string

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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