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## com.install4j.api.windows
Class WinFileSystem

    java.lang.Object
      com.install4j.api.windows.WinFileSystem

    public class WinFileSystem

extends java.lang.Object

Collection of static methods to access Microsoft Windows-specific folder locations and to execute native file system operations.

Author:
  ej-technologies GmbH

Field Summary
`static int` | `FOLDER_APPDATA` Identifies the file system directory that serves as a common repository for application-specific data.
`static int` | `FOLDER_DESKTOP` Identifies the file system directory used to physically store file objects on the desktop.
`static int` | `FOLDER_DOCS` Identifies the file system directory used to physically store a user's common repository of documents.
`static int` | `FOLDER_FAVORITES` Identifies the file system directory that serves as a common repository for the user's favorite items.
`static int` | `FOLDER_FONTS` Identifies a virtual folder containing fonts.
`static int` | `FOLDER_LOCAL_APPDATA` Identifies the file system directory that serves as a data repository for local applications.
`static int` | `FOLDER_PROGRAMS` Identifies the file system directory that contains the user's program groups.
`static int` | `FOLDER_SENDTO` Identifies the file system directory that contains Send To menu items.
`static int` | `FOLDER_STARTMENU` Identifies the file system directory containing Start menu items.
`static int` | `FOLDER_STARTUP` Identifies the file system directory that corresponds to the user's Startup program group.
`static int` | `FOLDER_TEMPLATES` Identifies the file system directory that serves as a common repository for document templates.

Method Summary
`static boolean` | `createShellLink(java.io.File file, java.io.File shortcutTo, java.io.File iconFile)` Creates a shell link.
`static boolean` | `createShellLink(java.io.File file, java.io.File shortcutTo, java.io.File iconFile, java.lang.String arguments)` Creates a shell link.
`static void` | `createStartMenuEntry(InstallerContext context, java.lang.String name, java.io.File destination, java.io.File icon)` Creates an additional start menu entry if start menu creation is enabled by the installer context.
`static java.io.File` | `getCommonFilesDirectory()` Returns a folder for components that are shared across applications.
`static java.io.File` | `getProgramFilesDirectory()` Returns the program files directory of the current Windows installation.
`static java.io.File` | `getSpecialFolder(int folderType, boolean allUsers)` Returns Windows-specific directories like the start menu or the desktop.
`static java.io.File` | `getSystemDirectory()` Returns the system directory.
`static java.io.File` | `getWindowsDirectory()` Returns the "indows directory.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### FOLDER_DESKTOP

    public static final int FOLDER_DESKTOP

  Identifies the file system directory used to physically store file objects on the desktop. A typical path is `C:\Documents and Settings\username\Desktop`.

  See Also:
    Constant Field Values

### FOLDER_STARTMENU

    public static final int FOLDER_STARTMENU

  Identifies the file system directory containing Start menu items. A typical path is `C:\Documents and Settings\username\Start Menu`.

  See Also:
    Constant Field Values

### FOLDER_PROGRAMS

    public static final int FOLDER_PROGRAMS

  Identifies the file system directory that contains the user's program groups. The groups are themselves file system directories. A typical path is `C:\Documents and Settings\username\Start Menu\Programs`.

  See Also:
    Constant Field Values

### FOLDER_STARTUP

    public static final int FOLDER_STARTUP

  Identifies the file system directory that corresponds to the user's Startup program group. The system starts these programs whenever any user logs onto Windows NT or starts Windows 95. A typical path is `C:\Documents and Settings\username\Start Menu\Programs\Startup`.

  See Also:
    Constant Field Values

### FOLDER_SENDTO

    public static final int FOLDER_SENDTO

  Identifies the file system directory that contains Send To menu items. A typical path is `C:\Documents and Settings\username\SendTo`.

  See Also:
    Constant Field Values

### FOLDER_FONTS

    public static final int FOLDER_FONTS

  Identifies a virtual folder containing fonts. A typical path is `C:\Windows\Fonts`.

  See Also:
    Constant Field Values

### FOLDER_APPDATA

    public static final int FOLDER_APPDATA

  Identifies the file system directory that serves as a common repository for application-specific data. A typical path is `C:\Documents and Settings\username\Application Data`.

  See Also:
    Constant Field Values

### FOLDER_DOCS

    public static final int FOLDER_DOCS

  Identifies the file system directory used to physically store a user's common repository of documents. A typical path is `C:\Documents and Settings\username\My Documents`.

  See Also:
    Constant Field Values

### FOLDER_TEMPLATES

    public static final int FOLDER_TEMPLATES

  Identifies the file system directory that serves as a common repository for document templates. A typical path is `C:\Documents and Settings\username\Templates`.

  See Also:
    Constant Field Values

### FOLDER_FAVORITES

    public static final int FOLDER_FAVORITES

  Identifies the file system directory that serves as a common repository for the user's favorite items. A typical path is `C:\Documents and Settings\username\Favorites`.

  See Also:
    Constant Field Values

### FOLDER_LOCAL_APPDATA

    public static final int FOLDER_LOCAL_APPDATA

  Identifies the file system directory that serves as a data repository for local applications. A typical path is `C:\Documents and Settings\username\Local Settings\Application Data`.

  See Also:
    Constant Field Values

Method Detail

### getSpecialFolder

    public static java.io.File getSpecialFolder(int folderType,
                                                boolean allUsers)

  Returns Windows-specific directories like the start menu or the desktop.

  Parameters:
    `folderType` - specifies the requested folder type. Supply one of the FOLDER_ constants.
    `allUsers` - if this parameter is `true` and if the current user is in the Administrators group, the method returns the requested folder for all users. Otherwise it returns the folder for the current user.
  Returns:
    the requested folder location.

### getProgramFilesDirectory

    public static java.io.File getProgramFilesDirectory()

  Returns the program files directory of the current Windows installation. A typical path is `C:\Program Files`.

  Returns:
    the program files directory.

### getCommonFilesDirectory

    public static java.io.File getCommonFilesDirectory()

  Returns a folder for components that are shared across applications. A typical path is `C:\Program Files\Common`. Valid only for Windows NT, Windows 2000, and Windows XP systems.

  Returns:
    the common files directory.

### getWindowsDirectory

    public static java.io.File getWindowsDirectory()

  Returns the "indows directory. A typical path is `C:\Windows`.

  Returns:
    the Windows directory.

### getSystemDirectory

    public static java.io.File getSystemDirectory()

  Returns the system directory. A typical path is `C:\Windows\system32`

  Returns:
    the system directory.

### createShellLink

    public static boolean createShellLink(java.io.File file,
                                          java.io.File shortcutTo,
                                          java.io.File iconFile)

  Creates a shell link. Note that Windows might change the link suffix from `lnk` to `pif`, if you are linking to a DOS executable or a batch file. This as the same as calling `createShellLink(file, shortcutTo, iconFile, null)`

  Parameters:
    `file` - the shell link that should be created inluding the `lnk` suffix.
    `shortcutTo` - the file it should link to.
    `iconFile` - an optional icon file. If `null` is given, the icon of the `shortcutTo` target will be used.
  Returns:
    `true` if successful.

### createShellLink

    public static boolean createShellLink(java.io.File file,
                                          java.io.File shortcutTo,
                                          java.io.File iconFile,
                                          java.lang.String arguments)

  Creates a shell link. Note that Windows might change the link suffix from `lnk` to `pif`, if you are linking to a DOS executable or a batch file.

  Parameters:
    `file` - the shell link that should be created inluding the `lnk` suffix.
    `shortcutTo` - the file it should link to.
    `iconFile` - an optional icon file. If `null` is given, the icon of the `shortcutTo` target will be used.
    `arguments` - the arguments passed to the target.
  Returns:
    `true` if successful.

### createStartMenuEntry

    public static void createStartMenuEntry(InstallerContext context,
                                            java.lang.String name,
                                            java.io.File destination,
                                            java.io.File icon)
                                     throws java.io.IOException

  Creates an additional start menu entry if start menu creation is enabled by the installer context. The entry is placed in the group determined by the context.

  Parameters:
    `context` - the InstallerContext you receive in Actions and Screens
    `name` - the name of the menu entry. You can create subfolders with a backslash
    `destination` - the file you want to link to
    `icon` - an optional icon file. If `null` is given, the icon of the `destination` will be used.
  Throws:
    `java.io.IOException` - if it cannot create the folder for the menu entry

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