extract a property value by name from the given properties object . both null and empty string are viewed as the same , and return null . concode_field_sep String PLACEHOLDER_START concode_field_sep void resolvePlaceHolders concode_elem_sep Integer getInteger concode_elem_sep String getString concode_elem_sep String getString concode_elem_sep String getString concode_elem_sep String[] toStringArray concode_elem_sep String[] toStringArray concode_elem_sep Boolean getBooleanWrapper concode_elem_sep String resolvePlaceHolder concode_elem_sep long getLong concode_elem_sep int getInt concode_elem_sep Properties maskOut concode_elem_sep Map toMap concode_elem_sep Map toMap concode_elem_sep Map clone concode_elem_sep boolean getBoolean concode_elem_sep boolean getBoolean concode_elem_sep String extractFromSystem
String function ( String arg0 , Properties arg1 ) { String loc0 = arg1 . getProperty ( arg0 ) ; if ( loc0 == null ) { return null ; } loc0 = loc0 . trim ( ) ; if ( StringHelper . isEmpty ( loc0 ) ) { return null ; } return loc0 ; }