@ -333,6 +333,95 @@ public class Config {
}
}
/ * *
* Parse an enumeration from the configuration .
*
* @param < T >
* type of the enumeration object .
* @param section
* section the key is grouped within .
* @param subsection
* subsection name , such a remote or branch name .
* @param name
* name of the key to get .
* @param defaultValue
* default value to return if no value was present .
* @return the selected enumeration value , or { @code defaultValue } .
* /
public < T extends Enum < ? > > T getEnum ( final String section ,
final String subsection , final String name , final T defaultValue ) {
final T [ ] all = allValuesOf ( defaultValue ) ;
return getEnum ( all , section , subsection , name , defaultValue ) ;
}
@SuppressWarnings ( "unchecked" )
private static < T > T [ ] allValuesOf ( final T value ) {
try {
return ( T [ ] ) value . getClass ( ) . getMethod ( "values" ) . invoke ( null ) ;
} catch ( Exception err ) {
String typeName = value . getClass ( ) . getName ( ) ;
String msg = MessageFormat . format (
JGitText . get ( ) . enumValuesNotAvailable , typeName ) ;
throw new IllegalArgumentException ( msg , err ) ;
}
}
/ * *
* Parse an enumeration from the configuration .
*
* @param < T >
* type of the enumeration object .
* @param all
* all possible values in the enumeration which should be
* recognized . Typically { @code EnumType . values ( ) } .
* @param section
* section the key is grouped within .
* @param subsection
* subsection name , such a remote or branch name .
* @param name
* name of the key to get .
* @param defaultValue
* default value to return if no value was present .
* @return the selected enumeration value , or { @code defaultValue } .
* /
public < T extends Enum < ? > > T getEnum ( final T [ ] all , final String section ,
final String subsection , final String name , final T defaultValue ) {
String value = getString ( section , subsection , name ) ;
if ( value = = null )
return defaultValue ;
String n = value . replace ( ' ' , '_' ) ;
T trueState = null ;
T falseState = null ;
for ( T e : all ) {
if ( StringUtils . equalsIgnoreCase ( e . name ( ) , n ) )
return e ;
else if ( StringUtils . equalsIgnoreCase ( e . name ( ) , "TRUE" ) )
trueState = e ;
else if ( StringUtils . equalsIgnoreCase ( e . name ( ) , "FALSE" ) )
falseState = e ;
}
// This is an odd little fallback. C Git sometimes allows boolean
// values in a tri-state with other things. If we have both a true
// and a false value in our enumeration, assume its one of those.
//
if ( trueState ! = null & & falseState ! = null ) {
try {
return StringUtils . toBoolean ( n ) ? trueState : falseState ;
} catch ( IllegalArgumentException err ) {
// Fall through and use our custom error below.
}
}
if ( subsection ! = null )
throw new IllegalArgumentException ( MessageFormat . format ( JGitText
. get ( ) . enumValueNotSupported3 , section , name , value ) ) ;
else
throw new IllegalArgumentException ( MessageFormat . format ( JGitText
. get ( ) . enumValueNotSupported2 , section , name , value ) ) ;
}
/ * *
* Get string value
*
@ -625,6 +714,32 @@ public class Config {
setString ( section , subsection , name , value ? "true" : "false" ) ;
}
/ * *
* Add or modify a configuration value . The parameters will result in a
* configuration entry like this .
*
* < pre >
* [ section & quot ; subsection & quot ; ]
* name = value
* < / pre >
*
* @param < T >
* type of the enumeration object .
* @param section
* section name , e . g "branch"
* @param subsection
* optional subsection value , e . g . a branch name
* @param name
* parameter name , e . g . "filemode"
* @param value
* parameter value
* /
public < T extends Enum < ? > > void setEnum ( final String section ,
final String subsection , final String name , final T value ) {
String n = value . name ( ) . toLowerCase ( ) . replace ( '_' , ' ' ) ;
setString ( section , subsection , name , n ) ;
}
/ * *
* Add or modify a configuration value . The parameters will result in a
* configuration entry like this .
Shawn O. Pearce
14 years ago