代碼部分
?
void
log4cplus
::
PropertyConfigurator
::
replaceEnvironVariables
()
{
std
::
vector
<
log4cplus
::
tstring
>
keys
=
properties
.
propertyNames
();
//
解析屬性文件中的內容
,
需要定義什么是主屬性
,
什么次屬性
--
注意
propertyName
以及
substEnvironVars
???
std
::
vector
<
log4cplus
::
tstring
>::
iterator
?
it
=
keys
.
begin
();
???
for
(;
it
!=
keys
.
end
(); ++
it
) {
???????
log4cplus
::
tstring
?
key
= *
it
;
???????
log4cplus
::
tstring
?
val
=
properties
.
getProperty
(
key
);
???????
log4cplus
::
tstring
?
subKey
=
substEnvironVars
(
key
,
getLogLog
());
???????
if
(
subKey
!=
key
) {
???????????
properties
.
removeProperty
(
key
);
???????????
properties
.
setProperty
(
subKey
,
val
);
??????? }
???????
log4cplus
::
tstring
?
subVal
=
substEnvironVars
(
val
,
getLogLog
());
???????
if
(
subVal
!=
val
) {
???????????
properties
.
setProperty
(
subKey
,
subVal
);
??????? }
??? }
}
void
log4cplus
::
PropertyConfigurator
::
configureLoggers
()
{
??? //
定義屬性文件的屬性項
???
if
(
properties
.
exists
(
LOG4CPLUS_TEXT
(
"rootLogger"
) )) {
???????
Logger
?
root
=
h
.
getRoot
();
??????? //
加載有關根
log
模塊的信息
???????
configureLogger
(
root
,
???????
properties
.
getProperty
(
LOG4CPLUS_TEXT
(
"rootLogger"
)));
??? }
??? //
獲取子屬性部件
??
?
Properties
?
loggerProperties
=
???????????
properties
.
getPropertySubset
(
LOG4CPLUS_TEXT
(
"logger."
));
vector
<
tstring
>
loggers
=
loggerProperties
.
propertyNames
();
//
注意
ConfigureLogger
部分的內容
,
獲取有關屬性值的描述
???
for
(
vector
<
tstring
>::
iterator
?
it
=
loggers
.
begin
();
it
!=
loggers
.
end
(); ++
it
) {
???????
Logger
?
log
=
getLogger
(*
it
);
???????
configureLogger
(
log
,
loggerProperties
.
getProperty
(*
it
));
??? }
}
void
log4cplus
::
PropertyConfigurator
::
configureLogger
(
log4cplus
::
Logger
?
logger
,
?????????????????????????????????????
???????????
const
?
log4cplus
::
tstring
&
config
)
{
???
// Remove all spaces from config
tstring
?
configString
;
//
如何實現
trim
的功能，實現一個范型的方法調用
???
remove_copy_if
(
config
.
begin
(),
config
.
end
(),
??????????????????
string_append_iterator
<
tstring
>(
configString
),
??????????????????
bind1st
(
equal_to
<
tchar
>(),
' '
));
// "Tokenize" configString
//
分離字符部分的內容
,
按照
? “,”
進行分隔
???
vector
<
tstring
>
tokens
;
???
tokenize
(
configString
,
','
,
????????????
back_insert_iterator
<
vector
<
tstring
> >(
tokens
));
???
if
(
tokens
.
size
() == 0) {
???????
getLogLog
().
error
(?
LOG4CPLUS_TEXT
(
"PropertyConfigurator::configureLogger()- Invalid config string(Logger = "
)
????????????????????????? +
logger
.
getName
()
????????????????????????? +
LOG4CPLUS_TEXT
(
"): \""
)
????????????????????????? +
config
?
????????????????????????? +
LOG4CPLUS_TEXT
(
"\""
));
???????
return
;
??? }
?