public class FileLogger extends AbstractLogger
Clients may instantiate or subclass this class.
| Constructor and Description |
|---|
FileLogger(File file)
Constructs a logger which outputs log information into the specified file.
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FileLogger(File file,
boolean append)
Constructs a logger which outputs log information into the specified file.
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| Modifier and Type | Method and Description |
|---|---|
protected void |
log(Level level,
Object message,
Throwable error)
Appends the specified message and error to the underlying file.
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public FileLogger(File file) throws FileNotFoundException
If the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other
reason then a FileNotFoundException is thrown.
file - the file where to log information.FileNotFoundException - if the file exists but is a directory rather than a regular file,
does not exist but cannot be created, or cannot be opened for any other reason.public FileLogger(File file, boolean append) throws FileNotFoundException
If the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other
reason then a FileNotFoundException is thrown.
file - the file where to log information.append - if true, then information will be written to the end of the file rather than the beginning.FileNotFoundException - if the file exists but is a directory rather than a regular file,
does not exist but cannot be created, or cannot be opened for any other reason.protected void log(Level level, Object message, Throwable error)
log in class AbstractLoggerlevel - the log level (not considered by the implementation).message - the information to log (usually a String), maybe null.error - an exception to log, maybe null.