question: private String scriptFromDisk ( String name ) { name = name . replace ( '\\' , '/' ) ; final char SEP = ';' ; String pkgPart = "" ; String pathPart = "" ; String namePart = "" ; int at = name . indexOf ( SEP ) ; if ( at > - 1 ) { int nextAt = name . indexOf ( SEP , at + 1 ) ; if ( nextAt > - 1 ) { pathPart = name . substring ( 0 , at ) ; pkgPart = name . substring ( at + 1 , nextAt ) ; namePart = name . substring ( nextAt + 1 ) ; } else { pathPart = name . substring ( 0 , at ) ; namePart = name . substring ( at + 1 ) ; } } else { at = name . lastIndexOf ( '/' ) ; if ( at > - 1 ) { int mx = name . lastIndexOf ( "/mx/" ) ; if ( mx > - 1 ) { pathPart = name . substring ( 0 , mx ) ; pkgPart = name . substring ( mx + 1 , at ) ; } else { pathPart = name . substring ( 0 , at ) ; } namePart = name . substring ( at + 1 ) ; } else { pathPart = "." ; namePart = name ; } } String script = null ; try { Charset realEncoding = null ; Charset bomEncoding = null ; InputStream in = locateScriptFile ( pathPart , pkgPart , namePart ) ; if ( in != null ) { try { BufferedInputStream bis = new BufferedInputStream ( in ) ; bomEncoding = getEncodingFromBOM ( bis ) ; script = pullInSource ( bis , bomEncoding ) ; realEncoding = getEncodingFromXMLDirective ( script ) ; } finally { try { in . close ( ) ; } catch ( IOException e ) { } } } if ( realEncoding != null && ! realEncoding . equals ( bomEncoding ) ) { in = locateScriptFile ( pathPart , pkgPart , namePart ) ; if ( in != null ) { try { BufferedInputStream bis = new BufferedInputStream ( in ) ; getEncodingFromBOM ( bis ) ; script = pullInSource ( bis , realEncoding ) ; } finally { try { in . close ( ) ; } catch ( IOException e ) { } } } } } catch ( FileNotFoundException fnf ) { fnf . printStackTrace ( ) ; } return script ; }
target:  Scan the disk looking for the location of where the source resides.  May also peel open a swd file looking for the source file.