Package jj2000.j2k.util
Class StreamMsgLogger
java.lang.Object
jj2000.j2k.util.StreamMsgLogger
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MsgLogger
This class implements the MsgLogger interface for streams. Streams can
be simple files, terminals, stdout, stderr, etc. The messages or simple
strings are formatted using the linewidth given to the constructor.
Messages are printed to the 'err' stream if they are of severity WARNING or ERROR, otherwise they are printed to the 'out' stream. Simple strings are always printed the 'out' stream.
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Field Summary
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Constructor Summary
ConstructorsConstructorDescriptionStreamMsgLogger(OutputStream outstr, OutputStream errstr, int lw) Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream.StreamMsgLogger(PrintWriter outstr, PrintWriter errstr, int lw) Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream.StreamMsgLogger(Writer outstr, Writer errstr, int lw) Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream. -
Method Summary
Modifier and TypeMethodDescriptionvoidflush()Writes any buffered data from the print() and println() methods to the device.voidPrints the string 'str' to the 'out' stream, appending a newline.voidPrints the message 'msg' to the output device, appending a newline, with severity 'sev'.
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Constructor Details
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StreamMsgLogger
Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream. Note that 'outstr' and 'errstr' can be System.out and System.err.- Parameters:
outstr- Where to print simple strings and LOG and INFO messages.errstr- Where to print WARNING and ERROR messageslw- The line width to use in formatting
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StreamMsgLogger
Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream. Note that 'outstr' and 'errstr' can be System.out and System.err.- Parameters:
outstr- Where to print simple strings and LOG and INFO messages.errstr- Where to print WARNING and ERROR messageslw- The line width to use in formatting
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StreamMsgLogger
Constructs a StreamMsgLogger that uses 'outstr' as the 'out' stream, and 'errstr' as the 'err' stream. Note that 'outstr' and 'errstr' can be System.out and System.err.- Parameters:
outstr- Where to print simple strings and LOG and INFO messages.errstr- Where to print WARNING and ERROR messageslw- The line width to use in formatting
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Method Details
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printmsg
Prints the message 'msg' to the output device, appending a newline, with severity 'sev'. The severity of the message is prepended to the message. -
println
Prints the string 'str' to the 'out' stream, appending a newline. The message is reformatted to the line width given to the constructors and using 'flind' characters to indent the first line and 'ind' characters to indent the second line. However, any newlines appearing in 'str' are respected. The output device may or may not display the string until flush() is called, depending on the autoflush state of the PrintWriter, to be sure flush() should be called to write the string to the device. This method just prints the string, the string does not make part of a "message" in the sense that noe severity is associated to it. -
flush
public void flush()Writes any buffered data from the print() and println() methods to the device.
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