if the location of jenkins.war is known in this life cycle , return it location . otherwise return null to indicate that it is unknown . when a non-null value is returned , hudson will offer an upgrade ui to a newer version . concode_field_sep Logger LOGGER concode_elem_sep Lifecycle INSTANCE concode_field_sep void rewriteHudsonWar concode_elem_sep void restart concode_elem_sep boolean canRestart concode_elem_sep Lifecycle get concode_elem_sep void verifyRestartable concode_elem_sep boolean canRewriteHudsonWar
File function ( ) { String loc0 = SystemProperties . getString ( "srini_string" ) ; if ( loc0 != null && new File ( loc0 ) . exists ( ) ) return new File ( loc0 ) ; return null ; }