question: private boolean verifySortedCoordinatesPropertiesFile ( File coordinatePropertiesFile ) { log ( "Checking for lexically sorted non-duplicated '/org/name' keys in: " + coordinatePropertiesFile , verboseLevel ) ; boolean success = true ; String line = null ; String currentKey = null ; String previousKey = null ; try ( InputStream stream = new FileInputStream ( coordinatePropertiesFile ) ; Reader reader = new InputStreamReader ( stream , StandardCharsets . ISO_8859_1 ) ; BufferedReader bufferedReader = new BufferedReader ( reader ) ) { while ( null != ( line = readLogicalPropertiesLine ( bufferedReader ) ) ) { final Matcher keyMatcher = COORDINATE_KEY_PATTERN . matcher ( line ) ; if ( ! keyMatcher . lookingAt ( ) ) { continue ; } currentKey = keyMatcher . group ( 1 ) ; if ( null != previousKey ) { int comparison = currentKey . compareTo ( previousKey ) ; if ( 0 == comparison ) { log ( "DUPLICATE coordinate key '" + currentKey + "' in " + coordinatePropertiesFile . getName ( ) , Project . MSG_ERR ) ; success = false ; } else if ( comparison < 0 ) { log ( "OUT-OF-ORDER coordinate key '" + currentKey + "' in " + coordinatePropertiesFile . getName ( ) , Project . MSG_ERR ) ; success = false ; } } previousKey = currentKey ; } } catch ( IOException e ) { throw new BuildException ( "Exception reading " + coordinatePropertiesFile . getPath ( ) + ": " + e . toString ( ) , e ) ; } return success ; }
target:  Returns true if the "/org/name" coordinate keys in the given properties file are lexically sorted and are not duplicates.