Starting March 27, 2025, we recommend using android-latest-release instead of aosp-main to build and contribute to AOSP. For more information, see Changes to AOSP.

BaseStreamLogger

public abstract class BaseStreamLogger
extends BaseLeveledLogOutput

java.lang.Object
↳	com.android.tradefed.log.BaseLeveledLogOutput
	↳	com.android.tradefed.log.BaseStreamLogger<OS extends OutputStream>

Known direct subclasses

FileLogger, SimpleFileLogger

FileLogger	A `ILeveledLogOutput` that directs log messages to a file and to stdout.
SimpleFileLogger	A `ILeveledLogOutput` that directs log messages to stdout and to a single log file.

Known indirect subclasses

HistoryLogger

HistoryLogger TF History Logger, special log that contains only some specific events.

A ILeveledLogOutput that directs log messages to an output stream and to stdout.

Summary

Fields
`protected OS extends OutputStream`	`mOutputStream`

Public constructors
`BaseStreamLogger()`

Public methods
`void`	`closeLog()`
`Log.LogLevel`	`getLogLevel()`
`Log.LogLevel`	`getLogLevelDisplay()`
`void`	`printAndPromptLog(Log.LogLevel logLevel, String tag, String message)`
`void`	`printLog(Log.LogLevel logLevel, String tag, String message)`
`void`	`setLogLevel(Log.LogLevel logLevel)`
`void`	`setLogLevelDisplay(Log.LogLevel logLevel)` For compatibility
`void`	`setLogLevelDisplay(Log.LogLevel logLevel)` Sets the minimum `LogLevel` to display on stdout.

Protected methods
`void`	`writeToLog(String message)` Writes a message to the output stream.

Fields

mOutputStream

protected OS extends OutputStream mOutputStream

Public constructors

BaseStreamLogger

public BaseStreamLogger ()

Public methods

closeLog

public void closeLog ()

getLogLevel

public Log.LogLevel getLogLevel ()

Returns
`Log.LogLevel`

getLogLevelDisplay

public Log.LogLevel getLogLevelDisplay ()

Returns
`Log.LogLevel`	current minimum `LogLevel` to display on stdout.

printAndPromptLog

public void printAndPromptLog (Log.LogLevel logLevel, 
                String tag, 
                String message)

Parameters
`logLevel`	`Log.LogLevel`
`tag`	`String`
`message`	`String`

printLog

public void printLog (Log.LogLevel logLevel, 
                String tag, 
                String message)

Parameters
`logLevel`	`Log.LogLevel`
`tag`	`String`
`message`	`String`

setLogLevel

public void setLogLevel (Log.LogLevel logLevel)

Parameters
`logLevel`	`Log.LogLevel`

setLogLevelDisplay

public void setLogLevelDisplay (Log.LogLevel logLevel)

For compatibility

Parameters
`logLevel`	`Log.LogLevel`

setLogLevelDisplay

public void setLogLevelDisplay (Log.LogLevel logLevel)

Sets the minimum LogLevel to display on stdout.

Parameters
`logLevel`	`Log.LogLevel`

Protected methods

writeToLog

protected void writeToLog (String message)

Writes a message to the output stream.

Parameters
`message`	`String`: the entry to write to log

Throws
	if an I/O error occurs