com.jn.langx.commandline

类 LogOutputStream

java.lang.Object

java.io.OutputStream

com.jn.langx.commandline.LogOutputStream

所有已实现的接口:

Closeable, Flushable, AutoCloseable

public abstract class LogOutputStream
extends OutputStream

Base class to connect a logging system to the output and/or error stream of then external process. The implementation parses the incoming data to construct a line and passes the complete line to an user-defined implementation.

构造器概要

构造器

构造器和说明
LogOutputStream() Creates a new instance of this class.
LogOutputStream(int level) Creates a new instance of this class.

方法概要

限定符和类型	方法和说明
void	close() Writes all remaining data from the buffer.
void	flush() Flush this log stream.
int	getMessageLevel()
protected void	processBuffer() Converts the buffer to a string and sends it to processLine.
protected void	processLine(String line) Logs a line to the log system of the user.
protected abstract void	processLine(String line, int logLevel) Logs a line to the log system of the user.
void	write(byte[] b, int off, int len) Write a block of characters to the output stream
void	write(int cc) Write the data to the buffer and flush the buffer, if a line separator is detected.

从类继承的方法 java.io.OutputStream

write

从类继承的方法 java.lang.Object

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

构造器详细资料

LogOutputStream

public LogOutputStream()

Creates a new instance of this class. Uses the default level of 999.

LogOutputStream

public LogOutputStream(int level)

Creates a new instance of this class.

参数:

level - loglevel used to log data written to this stream.

方法详细资料

write

public void write(int cc)
           throws IOException

Write the data to the buffer and flush the buffer, if a line separator is detected.

指定者:

write 在类中 OutputStream

参数:

cc - data to log (byte).

抛出:

IOException

另请参阅:

OutputStream.write(int)

flush

public void flush()

Flush this log stream.

指定者:

flush 在接口中 Flushable

覆盖:

flush 在类中 OutputStream

另请参阅:

OutputStream.flush()

close

public void close()
           throws IOException

Writes all remaining data from the buffer.

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

覆盖:

close 在类中 OutputStream

抛出:

IOException

另请参阅:

OutputStream.close()

getMessageLevel

public int getMessageLevel()

返回:

the trace level of the log system

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Write a block of characters to the output stream

覆盖:

write 在类中 OutputStream

参数:

b - the array containing the data

off - the offset into the array where data starts

len - the length of block

抛出:

IOException - if the data cannot be written into the stream.

另请参阅:

OutputStream.write(byte[], int, int)

processBuffer

protected void processBuffer()

Converts the buffer to a string and sends it to processLine.

processLine

protected void processLine(String line)

Logs a line to the log system of the user.

参数:

line - the line to log.

processLine

protected abstract void processLine(String line,
                                    int logLevel)

Logs a line to the log system of the user.

参数:

line - the line to log.

logLevel - the log level to use