com.ibm.di.api.syslog
Class LogUtils

java.lang.Object
  extended by com.ibm.di.api.syslog.LogUtils

public class LogUtils
extends java.lang.Object

Some Logging Utilities


Field Summary
static java.lang.String AL_LOG_DIR_PREFIX
          Assembly Line log directory prefix
static java.lang.String ROOT_LOG_DIR
          Root log directory
 
Constructor Summary
LogUtils()
           
 
Method Summary
static java.lang.String cleanALLogs(java.lang.String aConfigId, java.lang.String aALName, java.lang.String[] logsToBeDeleted)
          Deletes all the logs which are specified in " logsToBeDeleted" array.
static void cleanAllOldALLogs(java.util.Date aMinDate)
          Cleans all AL logs created after the given Date
static void cleanAllOldALLogs(int aKeepNum)
          Cleans all AL logs and leaves only aKeepNum of them
static void cleanAllOldLogs(java.util.Date aMinDate)
          Cleans all logs(AL and EH) created after the given Date
static void cleanAllOldLogs(int aKeepNum)
          Cleans all logs(AL and EH) and leaves only aKeepNum of them
static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId, java.lang.String aALName, java.util.Date aMinDate)
          Cleans AL logs, for a given config ID and Assembly Line name, created after the given Date
static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId, java.lang.String aALName, java.util.Date aMinDate, java.util.Date aMaxDate)
          Cleans AL logs, for a given config ID and Assembly Line name, created after the given Date
static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId, java.lang.String aALName, int aKeepNum)
          Cleans AL logs, for a given config ID and Assembly Line name, and leaves only aKeepNum of them
static java.lang.String getALLastLogFileName(java.lang.String aConfigId, java.lang.String aALName)
          Retrieves the available log names, sorts them in ascending order according to the Natural Ordering and returns the last one.
static java.lang.String getALLog(java.lang.String aConfigId, java.lang.String aALName, java.lang.String aLogFileName)
          Retrieves the content of the AL log.
static java.lang.String[] getALLogFileNames(java.lang.String aConfigId, java.lang.String aALName)
          Retrieves the available component's log files names.
static java.lang.String[] getALLogFileNames(java.lang.String aConfigId, java.lang.String aALName, java.util.Date dDate)
          Retrieves the available component's log files names after the specified date.
static java.lang.String[] getALLogFileNames(java.lang.String aConfigId, java.lang.String aALName, java.util.Date startDate, java.util.Date endDate)
          Retrieves the available component's log files names after the specified date.
static java.lang.String[] getALLogFileNames(java.lang.String aConfigId, java.lang.String aALName, int iNumber)
          Retrieves the specified number of available component's log files names.
static java.lang.String getALLogLastChunk(java.lang.String aConfigId, java.lang.String aALName, java.lang.String aLogFileName, int aKilobytes)
          This method retrieves the specified number of kylobytes from the content of a AL's log file as String.
static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir, java.lang.String aConfigId, java.lang.String aComponentName)
          Retrieves the available component's log files in ascending order.
static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir, java.lang.String aConfigId, java.lang.String aComponentName, java.util.Date dDate)
          Retrieves the available component's log files after the specified date sorted in ascending order.
static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir, java.lang.String aConfigId, java.lang.String aComponentName, int number)
          Retrieves the specified number of available component's log files sorted in ascending order.
static java.lang.String getCleanConfigId(java.lang.String aConfigId)
          Replaces '/', ':', '\\', '*', '?', '"', '<', '>', '|' symbols with '_' from the given config id
static java.lang.String getComponentLog(java.lang.String aLogFileName)
          Retrieves the content of the log file.
static java.lang.String getComponentLogLastChunk(java.lang.String aLogFileName, int aKilobytes)
          Retrieves the specified number of kilobytes from the end of the log file.
static SystemLogAppender getSystemLogAppender(Log aLog)
          Searches the given Log object for the System Log Appender
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ROOT_LOG_DIR

public static final java.lang.String ROOT_LOG_DIR
Root log directory

See Also:
Constant Field Values

AL_LOG_DIR_PREFIX

public static final java.lang.String AL_LOG_DIR_PREFIX
Assembly Line log directory prefix

See Also:
Constant Field Values
Constructor Detail

LogUtils

public LogUtils()
Method Detail

getSystemLogAppender

public static SystemLogAppender getSystemLogAppender(Log aLog)
Searches the given Log object for the System Log Appender

Parameters:
aLog -
Returns:
the System Log Appender, part of the given Log object, null if not found

getComponentLog

public static java.lang.String getComponentLog(java.lang.String aLogFileName)
                                        throws DIException
Retrieves the content of the log file.

Parameters:
aLogFileName - name of log file.
Returns:
the content of the aLogFileName log file as a String
Throws:
DIException - if an error occurs

getComponentLogLastChunk

public static java.lang.String getComponentLogLastChunk(java.lang.String aLogFileName,
                                                        int aKilobytes)
                                                 throws DIException
Retrieves the specified number of kilobytes from the end of the log file.

Parameters:
aLogFileName - name of the file
aKilobytes - number of kilobytes
Returns:
the last aKilobytes of the content of aLogFileName log file as a String
Throws:
DIException

getALLogFileNames

public static java.lang.String[] getALLogFileNames(java.lang.String aConfigId,
                                                   java.lang.String aALName)
                                            throws DIException
Retrieves the available component's log files names.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
Returns:
a String array containing all the available log files for the components in the given Assembly Line
Throws:
DIException - if an error occurs.

getALLogFileNames

public static java.lang.String[] getALLogFileNames(java.lang.String aConfigId,
                                                   java.lang.String aALName,
                                                   int iNumber)
                                            throws DIException
Retrieves the specified number of available component's log files names.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
iNumber - how many of the available log files you need
Returns:
a String array containing containing the first number amount of the sorted by names according to the natural ordering available log files for the components in the given Assembly Line
Throws:
DIException - if an error occurs.

getALLogFileNames

public static java.lang.String[] getALLogFileNames(java.lang.String aConfigId,
                                                   java.lang.String aALName,
                                                   java.util.Date dDate)
                                            throws DIException
Retrieves the available component's log files names after the specified date.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
dDate - the earliest Date for the logs needed
Returns:
a String array containing available log files for the components in the given Assembly Line which are created after the given Date
Throws:
DIException - if an error occurs.

getALLogFileNames

public static java.lang.String[] getALLogFileNames(java.lang.String aConfigId,
                                                   java.lang.String aALName,
                                                   java.util.Date startDate,
                                                   java.util.Date endDate)
                                            throws DIException
Retrieves the available component's log files names after the specified date.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
startDate - the start Date for the logs needed
endDate - the end Date for the logs needed
Returns:
a String array containing available log files for the components in the given Assembly Line which are created after the given Date
Throws:
DIException - if an error occurs.

getALLastLogFileName

public static java.lang.String getALLastLogFileName(java.lang.String aConfigId,
                                                    java.lang.String aALName)
                                             throws DIException
Retrieves the available log names, sorts them in ascending order according to the Natural Ordering and returns the last one.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
Returns:
The last log according to the Natural Ordering of the names
Throws:
DIException

getALLog

public static java.lang.String getALLog(java.lang.String aConfigId,
                                        java.lang.String aALName,
                                        java.lang.String aLogFileName)
                                 throws DIException
Retrieves the content of the AL log.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
aLogFileName - the name of the log file
Returns:
The content of the Assembly Line log file as String
Throws:
DIException - if an error occurs.

getALLogLastChunk

public static java.lang.String getALLogLastChunk(java.lang.String aConfigId,
                                                 java.lang.String aALName,
                                                 java.lang.String aLogFileName,
                                                 int aKilobytes)
                                          throws DIException
This method retrieves the specified number of kylobytes from the content of a AL's log file as String.

Parameters:
aConfigId - the ID of the configuration the Assembly Line belongs to
aALName - the Assembly Line name
aLogFileName - the name of the log file
aKilobytes - number of kilobytes.
Returns:
The last aKilobytes from the content of the Assembly Line log file as String
Throws:
DIException

getAvailableComponentLogFiles

public static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir,
                                                               java.lang.String aConfigId,
                                                               java.lang.String aComponentName)
Retrieves the available component's log files in ascending order.

Parameters:
aComponentTypeDir - the component type directory
aConfigId - the ID of the configuration the Assembly Line belongs to
aComponentName - the component name
Returns:
a String array containing the sorted into ascending order according to the natural ordering of the names of the available log files for the given component

getCleanConfigId

public static java.lang.String getCleanConfigId(java.lang.String aConfigId)
Replaces '/', ':', '\\', '*', '?', '"', '<', '>', '|' symbols with '_' from the given config id

Parameters:
aConfigId - configuration ID
Returns:
the modified config name.

cleanAllOldLogs

public static void cleanAllOldLogs(java.util.Date aMinDate)
                            throws DIException
Cleans all logs(AL and EH) created after the given Date

Parameters:
aMinDate - after this date , the log are deleted
Throws:
DIException - if an error occurs.

cleanAllOldLogs

public static void cleanAllOldLogs(int aKeepNum)
                            throws DIException
Cleans all logs(AL and EH) and leaves only aKeepNum of them

Parameters:
aKeepNum - number of logs to keep.
Throws:
DIException - if an error occurs.

cleanAllOldALLogs

public static void cleanAllOldALLogs(java.util.Date aMinDate)
                              throws DIException
Cleans all AL logs created after the given Date

Parameters:
aMinDate - after this date , the log are deleted
Throws:
DIException - if an error occurs.

cleanAllOldALLogs

public static void cleanAllOldALLogs(int aKeepNum)
                              throws DIException
Cleans all AL logs and leaves only aKeepNum of them

Parameters:
aKeepNum - number of logs to keep
Throws:
DIException - if an error occurs

cleanOldALLogs

public static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId,
                                               java.lang.String aALName,
                                               java.util.Date aMinDate)
                                        throws DIException
Cleans AL logs, for a given config ID and Assembly Line name, created after the given Date

Parameters:
aConfigId - configuration ID
aALName - name of the assembly line
aMinDate - after this date , the log are deleted
Returns:
whether the operation was successful
Throws:
DIException

cleanOldALLogs

public static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId,
                                               java.lang.String aALName,
                                               java.util.Date aMinDate,
                                               java.util.Date aMaxDate)
                                        throws DIException
Cleans AL logs, for a given config ID and Assembly Line name, created after the given Date

Parameters:
aConfigId - configuration ID
aALName - name of the assembly line
aMinDate - after this date , the log are deleted
aMaxDate - before this date , the log are deleted
Returns:
whether the operation was successful
Throws:
DIException

cleanOldALLogs

public static java.lang.Boolean cleanOldALLogs(java.lang.String aConfigId,
                                               java.lang.String aALName,
                                               int aKeepNum)
                                        throws DIException
Cleans AL logs, for a given config ID and Assembly Line name, and leaves only aKeepNum of them

Parameters:
aConfigId - configuration ID
aALName - name of the assembly line
aKeepNum - number of logs to keep
Returns:
whether the operation was successful
Throws:
DIException

cleanALLogs

public static java.lang.String cleanALLogs(java.lang.String aConfigId,
                                           java.lang.String aALName,
                                           java.lang.String[] logsToBeDeleted)
                                    throws DIException
Deletes all the logs which are specified in " logsToBeDeleted" array.

Parameters:
aConfigId - identification of the AssemblyLine's Config Instance.
aALName - the name of the AssemblyLine whose logs will be cleaned up.
logsToBeDeleted - name of the log files which are to be deleted.
Returns:
a String that holds null if the log files are deleted successfully; else comma separated names of the log files which are not deleted.
Throws:
DIException - if an error occurs while deleting log files.

getAvailableComponentLogFiles

public static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir,
                                                               java.lang.String aConfigId,
                                                               java.lang.String aComponentName,
                                                               int number)
Retrieves the specified number of available component's log files sorted in ascending order.

Parameters:
aComponentTypeDir - the component type directory
aConfigId - the ID of the configuration the Assembly Line belongs to
aComponentName - the component name
number - how many of the available log files you need
Returns:
a String array containing the first number amount of the sorted into ascending order according to the natural ordering of the names of the available log files for the given component

getAvailableComponentLogFiles

public static java.lang.String[] getAvailableComponentLogFiles(java.lang.String aComponentTypeDir,
                                                               java.lang.String aConfigId,
                                                               java.lang.String aComponentName,
                                                               java.util.Date dDate)
Retrieves the available component's log files after the specified date sorted in ascending order.

Parameters:
aComponentTypeDir - the component type directory
aConfigId - the ID of the configuration the Assembly Line belongs to
aComponentName - the component name
dDate - the earliest Date for the logs needed
Returns:
a String array containing available log files for the given component which are created after the given Date, sorted into ascending order according to the natural ordering of their names