| java.lang.Object org.apache.poi.util.POILogger org.apache.poi.util.NullLogger
NullLogger | public class NullLogger extends POILogger (Code) | | A logger class that strives to make it as easy as possible for
developers to write log calls, while simultaneously making those
calls as cheap as possible by performing lazy evaluation of the log
message.
author: Marc Johnson (mjohnson at apache dot org) author: Glen Stampoultzis (glens at apache.org) author: Nicola Ken Barozzi (nicolaken at apache.org) |
Method Summary | |
public boolean | check(int level) | public void | initialize(String cat) | public void | log(int level, Object obj1) | public void | log(int level, Object obj1, Object obj2) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8) Log a message. | public void | log(int level, Object obj1, Throwable exception) Log a message
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - The object to log. | public void | log(int level, Object obj1, Object obj2, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Throwable exception) Log a message. | public void | log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8, Throwable exception) Log a message. | public void | logFormatted(int level, String message, Object obj1) Logs a formated message. | public void | logFormatted(int level, String message, Object obj1, Object obj2) Logs a formated message. | public void | logFormatted(int level, String message, Object obj1, Object obj2, Object obj3) Logs a formated message. | public void | logFormatted(int level, String message, Object obj1, Object obj2, Object obj3, Object obj4) Logs a formated message. |
check | public boolean check(int level)(Code) | | Check if a logger is enabled to log at the specified level
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL |
log | public void log(int level, Object obj1)(Code) | | Log a message
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - The object to log. |
log | public void log(int level, Object obj1, Object obj2)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first object to place in the message Parameters: obj2 - second object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message Parameters: obj4 - fourth Object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message Parameters: obj4 - fourth Object to place in the message Parameters: obj5 - fifth Object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message Parameters: obj4 - fourth Object to place in the message Parameters: obj5 - fifth Object to place in the message Parameters: obj6 - sixth Object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message Parameters: obj4 - fourth Object to place in the message Parameters: obj5 - fifth Object to place in the message Parameters: obj6 - sixth Object to place in the message Parameters: obj7 - seventh Object to place in the message |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third Object to place in the message Parameters: obj4 - fourth Object to place in the message Parameters: obj5 - fifth Object to place in the message Parameters: obj6 - sixth Object to place in the message Parameters: obj7 - seventh Object to place in the message Parameters: obj8 - eighth Object to place in the message |
log | public void log(int level, Object obj1, Throwable exception)(Code) | | Log a message
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - The object to log. This is converted to a string. Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: exception - An error message to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: obj4 - fourth object to place in the message Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: obj4 - fourth object to place in the message Parameters: obj5 - fifth object to place in the message Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: obj4 - fourth object to place in the message Parameters: obj5 - fifth object to place in the message Parameters: obj6 - sixth object to place in the message Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: obj4 - fourth object to place in the message Parameters: obj5 - fifth object to place in the message Parameters: obj6 - sixth object to place in the message Parameters: obj7 - seventh object to place in the message Parameters: exception - An exception to be logged |
log | public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8, Throwable exception)(Code) | | Log a message. Lazily appends Object parameters together.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: obj1 - first Object to place in the message Parameters: obj2 - second Object to place in the message Parameters: obj3 - third object to place in the message Parameters: obj4 - fourth object to place in the message Parameters: obj5 - fifth object to place in the message Parameters: obj6 - sixth object to place in the message Parameters: obj7 - seventh object to place in the message Parameters: obj8 - eighth object to place in the message Parameters: exception - An exception to be logged |
logFormatted | public void logFormatted(int level, String message, Object obj1)(Code) | | Logs a formated message. The message itself may contain %
characters as place holders. This routine will attempt to match
the placeholder by looking at the type of parameter passed to
obj1.
If the parameter is an array, it traverses the array first and
matches parameters sequentially against the array items.
Otherwise the parameters after message are matched
in order.
If the place holder matches against a number it is printed as a
whole number. This can be overridden by specifying a precision
in the form %n.m where n is the padding for the whole part and
m is the number of decimal places to display. n can be excluded
if desired. n and m may not be more than 9.
If the last parameter (after flattening) is a Throwable it is
logged specially.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: message - The message to log. Parameters: obj1 - The first object to match against. |
logFormatted | public void logFormatted(int level, String message, Object obj1, Object obj2)(Code) | | Logs a formated message. The message itself may contain %
characters as place holders. This routine will attempt to match
the placeholder by looking at the type of parameter passed to
obj1.
If the parameter is an array, it traverses the array first and
matches parameters sequentially against the array items.
Otherwise the parameters after message are matched
in order.
If the place holder matches against a number it is printed as a
whole number. This can be overridden by specifying a precision
in the form %n.m where n is the padding for the whole part and
m is the number of decimal places to display. n can be excluded
if desired. n and m may not be more than 9.
If the last parameter (after flattening) is a Throwable it is
logged specially.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: message - The message to log. Parameters: obj1 - The first object to match against. Parameters: obj2 - The second object to match against. |
logFormatted | public void logFormatted(int level, String message, Object obj1, Object obj2, Object obj3)(Code) | | Logs a formated message. The message itself may contain %
characters as place holders. This routine will attempt to match
the placeholder by looking at the type of parameter passed to
obj1.
If the parameter is an array, it traverses the array first and
matches parameters sequentially against the array items.
Otherwise the parameters after message are matched
in order.
If the place holder matches against a number it is printed as a
whole number. This can be overridden by specifying a precision
in the form %n.m where n is the padding for the whole part and
m is the number of decimal places to display. n can be excluded
if desired. n and m may not be more than 9.
If the last parameter (after flattening) is a Throwable it is
logged specially.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: message - The message to log. Parameters: obj1 - The first object to match against. Parameters: obj2 - The second object to match against. Parameters: obj3 - The third object to match against. |
logFormatted | public void logFormatted(int level, String message, Object obj1, Object obj2, Object obj3, Object obj4)(Code) | | Logs a formated message. The message itself may contain %
characters as place holders. This routine will attempt to match
the placeholder by looking at the type of parameter passed to
obj1.
If the parameter is an array, it traverses the array first and
matches parameters sequentially against the array items.
Otherwise the parameters after message are matched
in order.
If the place holder matches against a number it is printed as a
whole number. This can be overridden by specifying a precision
in the form %n.m where n is the padding for the whole part and
m is the number of decimal places to display. n can be excluded
if desired. n and m may not be more than 9.
If the last parameter (after flattening) is a Throwable it is
logged specially.
Parameters: level - One of DEBUG, INFO, WARN, ERROR, FATAL Parameters: message - The message to log. Parameters: obj1 - The first object to match against. Parameters: obj2 - The second object to match against. Parameters: obj3 - The third object to match against. Parameters: obj4 - The forth object to match against. |
Methods inherited from org.apache.poi.util.POILogger | abstract public boolean check(int level)(Code)(Java Doc) abstract public void initialize(String cat)(Code)(Java Doc) abstract public void log(int level, Object obj1)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8)(Code)(Java Doc) public void log(int level, Object obj1, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Throwable exception)(Code)(Java Doc) public void log(int level, Object obj1, Object obj2, Object obj3, Object obj4, Object obj5, Object obj6, Object obj7, Object obj8, Throwable exception)(Code)(Java Doc) public void logFormatted(int level, String message, Object obj1)(Code)(Java Doc) public void logFormatted(int level, String message, Object obj1, Object obj2)(Code)(Java Doc) public void logFormatted(int level, String message, Object obj1, Object obj2, Object obj3)(Code)(Java Doc) public void logFormatted(int level, String message, Object obj1, Object obj2, Object obj3, Object obj4)(Code)(Java Doc)
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