org.af.jhlir.tools
Class DirectoryGuesser

java.lang.Object
  org.af.jhlir.tools.DirectoryGuesser

public class DirectoryGuesser
extends Object

Class encapsulates methods to guess installation paths for used third party applications and our own applications

Nested Class Summary

static class	DirectoryGuesser.ContainsFilePredicate
static class	DirectoryGuesser.Predicate
static class	DirectoryGuesser.RHomeBinPredicate

Constructor Summary

DirectoryGuesser()

Method Summary

static String	guessDesktop()
static String	guessJavaHome()
static String	guessPDFViewerPath() Guesses absolute path to PDF viewer.
static String	guessRHome() Guesses R Home.
static String	searchDir(String[] search, String[] searchDir, String[] searchFile, boolean directory) Searches for files and returns the first candidate.
static File	searchForFile(File dir, List<String> searchFirst, DirectoryGuesser.Predicate pred)
static String	searchforFile(File dir, String[] searchDir, String[] searchFile, boolean directory) Searches for files and returns the first candidate.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DirectoryGuesser

public DirectoryGuesser()

Method Detail

searchDir

public static String searchDir(String[] search,
                               String[] searchDir,
                               String[] searchFile,
                               boolean directory)

Searches for files and returns the first candidate.

Parameters:

search - Array of paths to the root directories of this search.

searchDir - Files which contain these Strings as substrings should be searched.

searchFile - Files which contain these Strings as substrings are final candidates.

directory - is the file we are looking for a directory?

Returns:

searchforFile

public static String searchforFile(File dir,
                                   String[] searchDir,
                                   String[] searchFile,
                                   boolean directory)

Searches for files and returns the first candidate.

Parameters:

searchDir - Files which contain these Strings as substrings should be searched.

searchFile - Files which contain these Strings as substrings are final candidates.

directory - is the file we are looking for a directory?

Returns:

searchForFile

public static File searchForFile(File dir,
                                 List<String> searchFirst,
                                 DirectoryGuesser.Predicate pred)

guessPDFViewerPath

public static String guessPDFViewerPath()

Guesses absolute path to PDF viewer.

Returns:

Guessed path to PDF viewer.

guessRHome

public static String guessRHome()

Guesses R Home.

Returns:

Guessed path to R Home.

guessJavaHome

public static String guessJavaHome()

guessDesktop

public static String guessDesktop()