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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.providers.jsp.jasper3.tomcat.logging   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sun.portal.providers.jsp.jasper3.tomcat.logging.Logger All known Subclasses:   com.sun.portal.providers.jsp.jasper3.jasper.JspCLogger, Logger abstract public class Logger (Code) Interface for a logging object. A logging object provides mechanism for logging errors and messages that are of interest to someone who is trying to monitor the system. author:    Anil Vijendran (akv@eng.sun.com) since:    Tomcat 3.1 Field Summary final public static  int DEBUG      final public static  int ERROR      final public static  int FATAL      Verbosity level codes. final public static  int INFORMATION      final public static  int WARNING      protected  boolean custom      protected static  Writer defaultSink      protected static  Hashtable loggers      protected  String name       String path      static  java.text.FieldPosition position      protected  Writer sink      protected  boolean timestamp      protected  String timestampFormat      protected  SimpleDateFormat timestampFormatter      protected  boolean timestampRaw      Method Summary public synchronized  void close()      Close the log. abstract public  void flush()      Flush the log. protected  String formatTimestamp(long msec)      protected  void formatTimestamp(long msec, StringBuffer buf)      public static  Logger getLogger(String name)      public static  Enumeration getLoggerNames()      public  String getName()      Get name of this log channel. public  String getPath()      public  String getTimestampFormat()      public  int getVerbosityLevel()      Get the current verbosity level. public  boolean isOpen()      public  boolean isTimestamp()      public static  void log(String logName, String message, int verbosityLevel)      Prints the log message on a specified logger. public static  void log(String logName, String message)      Prints the log message on a specified logger at the "default" log leve: INFORMATION Parameters:   name - the name of the logger. final public  void log(String message, int verbosityLevel)      Prints the log message. final public  void log(String message)      final public  void log(String message, Throwable t, int verbosityLevel)      Prints log message and stack trace. Parameters:   message - the message to log. public  boolean matchVerbosityLevel(int verbosityLevel)      public  void open()      Open the log - will create the log file and all the parent directories. public static  void putLogger(Logger logger)      abstract protected  void realLog(String message)      Subclasses implement these methods which are called by the log(..) methods internally. abstract protected  void realLog(String message, Throwable t)      Subclasses implement these methods which are called by the log(..) methods internally. public static  void removeLogger(Logger logger)      public  void setCustomOutput(String value)      public static  void setDefaultSink(Writer w)      Set the default output stream that is used by all logging channels. public  void setName(String name)      Set name of this log channel. Parameters:   name - Name of this logger. public  void setPath(String path)      Set the path name for the log output file. Parameters:   path - The path to the log file. public  void setTimestamp(String value)      public  void setTimestampFormat(String value)      If we are timestamping at all, what format do we use to print the timestamp? See java.text.SimpleDateFormat. Default = "yyyy-MM-dd hh:mm:ss". public  void setVerbosityLevel(String level)      Set the verbosity level for this logger. public  void setVerbosityLevel(int level)      Set the verbosity level for this logger. Field Detail DEBUG final public static int DEBUG(Code) ERROR final public static int ERROR(Code) FATAL final public static int FATAL(Code) Verbosity level codes. INFORMATION final public static int INFORMATION(Code) WARNING final public static int WARNING(Code) custom protected boolean custom(Code) defaultSink protected static Writer defaultSink(Code) loggers protected static Hashtable loggers(Code) name protected String name(Code) path String path(Code) position static java.text.FieldPosition position(Code) sink protected Writer sink(Code) timestamp protected boolean timestamp(Code) Should we timestamp this log at all? timestampFormat protected String timestampFormat(Code) The timestamp format string, default is "yyyy-MM-dd HH:mm:ss" timestampFormatter protected SimpleDateFormat timestampFormatter(Code) timestampRaw protected boolean timestampRaw(Code) true = The timestamp format is raw msec-since-epoch false = The timestamp format is a custom string to pass to SimpleDateFormat Method Detail close public synchronized void close()(Code) Close the log. flush abstract public void flush()(Code) Flush the log. formatTimestamp protected String formatTimestamp(long msec)(Code) formatTimestamp protected void formatTimestamp(long msec, StringBuffer buf)(Code) getLogger public static Logger getLogger(String name)(Code) getLoggerNames public static Enumeration getLoggerNames()(Code) getName public String getName()(Code) Get name of this log channel. getPath public String getPath()(Code) getTimestampFormat public String getTimestampFormat()(Code) getVerbosityLevel public int getVerbosityLevel()(Code) Get the current verbosity level. isOpen public boolean isOpen()(Code) Is this Log usable? isTimestamp public boolean isTimestamp()(Code) log public static void log(String logName, String message, int verbosityLevel)(Code) Prints the log message on a specified logger. Parameters:   name - the name of the logger. Parameters:   message - the message to log. Parameters:   verbosityLevel - what type of message is this? (WARNING/DEBUG/INFO etc) log public static void log(String logName, String message)(Code) Prints the log message on a specified logger at the "default" log leve: INFORMATION Parameters:   name - the name of the logger. Parameters:   message - the message to log. log final public void log(String message, int verbosityLevel)(Code) Prints the log message. Parameters:   message - the message to log. Parameters:   verbosityLevel - what type of message is this?(WARNING/DEBUG/INFO etc) log final public void log(String message)(Code) Prints the log message at the "default" log level: INFORMATION Parameters:   message - the message to log. log final public void log(String message, Throwable t, int verbosityLevel)(Code) Prints log message and stack trace. Parameters:   message - the message to log. Parameters:   t - the exception that was thrown. Parameters:   verbosityLevel - what type of message is this?(WARNING/DEBUG/INFO etc) matchVerbosityLevel public boolean matchVerbosityLevel(int verbosityLevel)(Code) open public void open()(Code) Open the log - will create the log file and all the parent directories. You must open the logger before use, or it will write to System.err putLogger public static void putLogger(Logger logger)(Code) realLog abstract protected void realLog(String message)(Code) Subclasses implement these methods which are called by the log(..) methods internally. Parameters:   message - the message to log. realLog abstract protected void realLog(String message, Throwable t)(Code) Subclasses implement these methods which are called by the log(..) methods internally. Parameters:   message - the message to log. Parameters:   t - the exception that was thrown. removeLogger public static void removeLogger(Logger logger)(Code) setCustomOutput public void setCustomOutput(String value)(Code) setDefaultSink public static void setDefaultSink(Writer w)(Code) Set the default output stream that is used by all logging channels. Parameters:   w - the default output stream. setName public void setName(String name)(Code) Set name of this log channel. Parameters:   name - Name of this logger. setPath public void setPath(String path)(Code) Set the path name for the log output file. Parameters:   path - The path to the log file. setTimestamp public void setTimestamp(String value)(Code) Do we need to time stamp this or not? Parameters:   value - "yes/no" or "true/false" setTimestampFormat public void setTimestampFormat(String value)(Code) If we are timestamping at all, what format do we use to print the timestamp? See java.text.SimpleDateFormat. Default = "yyyy-MM-dd hh:mm:ss". Special case: "msec" => raw number of msec since epoch, very efficient but not user-friendly setVerbosityLevel public void setVerbosityLevel(String level)(Code) Set the verbosity level for this logger. This controls how the logs will be filtered. Parameters:   level - one of the verbosity level strings. setVerbosityLevel public void setVerbosityLevel(int level)(Code) Set the verbosity level for this logger. This controls how the logs will be filtered. Parameters:   level - one of the verbosity level codes. 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)