Package com.install4j.api.unix

Class UnixFileSystem

java.lang.Object
com.install4j.api.unix.UnixFileSystem
public class UnixFileSystem extends Object
Collection of static methods to access Unix-specific file operations and information.

  • Constructor Details

    • UnixFileSystem

      public UnixFileSystem()

  • Method Details

    • setMode

      public static boolean setMode(int intMode, File destFile)
      Set the Unix file mode for a file. For specifying integer file modes, you can use octal numbers by prefixing a "0".
      Parameters:
      intMode - the Unix file mode
      destFile - the file for which the mode should be set
      Returns:
      whether the operation was successful or not

    • setMode

      public static boolean setMode(String mode, File destFile)
      Set the Unix file mode for a file.
      Parameters:
      mode - the Unix file mode as an octal string, e.g. "755".
      destFile - the file for which the mode should be set
      Returns:
      whether the operation was successful or not

    • createLink

      public static boolean createLink(String destFileName, File linkFile)
      Create a symbolic link on Unix. If the link exists, it will be overwritten.
      Parameters:
      destFileName - the file where the link should point to
      linkFile - the link that should be created
      Returns:
      whether the operation was successful or not

    • setOwner

      public static boolean setOwner(String owner, File file)
      Set the owner of a file.
      Parameters:
      owner - the owner spec. Either a user name like "user" or a user name followed by a colon and a group name, like "user:group". In the latter case, "user" can be the empty string and only the group ownership will be changed.
      file - the file for which the owner should be set.
      Returns:
      whether the operation was successful or not

    • getFileInformation

      public static UnixFileSystem.FileInformation getFileInformation(File file)
      Get Unix-specific information about a file.
      Parameters:
      file - the file for which the information is requested.
      Returns:
      the FileInformation object with the Unix-specific information

    • findExecutableInPath

      public static File findExecutableInPath(String executable)
      Returns the absolute path of an executable if it is located on the path.
      Parameters:
      executable - the executable name without path information or quotes
      Returns:
      the path of the executable or null if the executable was not found.

    • getShell

      public static String getShell()
      Returns the shell executable of the current user. If the SHELL environment variable is set, its value is returned, otherwise the return value is /bin/sh