public class LocationInfo
extends java.lang.Object
implements java.io.Serializable
限定符和类型 | 字段和说明 |
---|---|
java.lang.String |
fullInfo
All available caller information, in the format
fully.qualified.classname.of.caller.methodName(Filename.java:line) |
static java.lang.String |
NA
When location information is not available the constant
NA is returned. |
static LocationInfo |
NA_LOCATION_INFO
NA_LOCATION_INFO is provided for compatibility with log4j 1.3.
|
构造器和说明 |
---|
LocationInfo(java.lang.String file,
java.lang.String classname,
java.lang.String method,
java.lang.String line)
Create new instance.
|
LocationInfo(java.lang.Throwable t,
java.lang.String fqnOfCallingClass)
Instantiate location information based on a Throwable.
|
限定符和类型 | 方法和说明 |
---|---|
java.lang.String |
getClassName()
Return the fully qualified class name of the caller making the
logging request.
|
java.lang.String |
getFileName()
Return the file name of the caller.
|
java.lang.String |
getLineNumber()
Returns the line number of the caller.
|
java.lang.String |
getMethodName()
Returns the method name of the caller.
|
public java.lang.String fullInfo
fully.qualified.classname.of.caller.methodName(Filename.java:line)
public static final java.lang.String NA
NA
is returned. Current value of this string
constant is ?.public static final LocationInfo NA_LOCATION_INFO
public LocationInfo(java.lang.Throwable t, java.lang.String fqnOfCallingClass)
t
, to be in the format
java.lang.Throwable ... at PatternLayout.format(PatternLayout.java:413) at FileAppender.doAppend(FileAppender.java:183) at Category.callAppenders(Category.java:131) at Category.log(Category.java:512) at callers.fully.qualified.className.methodName(FileName.java:74) ...
However, we can also deal with JIT compilers that "lose" the location information, especially between the parentheses.
t
- throwable used to determine location, may be null.fqnOfCallingClass
- class name of first class considered part of
the logging framework. Location will be site that calls a method on this class.public LocationInfo(java.lang.String file, java.lang.String classname, java.lang.String method, java.lang.String line)
file
- source file nameclassname
- class namemethod
- methodline
- source line numberpublic java.lang.String getClassName()
public java.lang.String getFileName()
This information is not always available.
public java.lang.String getLineNumber()
This information is not always available.
public java.lang.String getMethodName()