This interface is used by the Directory Service to get file locations.
Inherits from:
nsISupports
Last changed in Gecko 1.7 nsIDirectoryServiceProvider
.
Method overview
nsIFile getFile(in string prop, out PRBool persistent); |
Methods
getFile()
The Directory Service calls this method when it gets the first request for a prop or on every request if the prop is not persistent.
nsIFile getFile( in string prop, out PRBool persistent );
Parameters
prop
- The symbolic name of the file.
persistent
true
if the returned file will be cached by Directory Service. Subsequent requests for this prop will bypass the provider and use the cache.false
if the provider will be asked for this prop each time it is requested.
Return value
The nsIFile
represented by the property.
Example
This code creates a global, read-only string called currDir
with the value of the current working directory.
__defineGetter__("currDir", function getCurrDir() { return Components.classes["@mozilla.org/file/directory_service;1"] .getService(Components.interfaces.nsIDirectoryServiceProvider) .getFile("CurWorkD",{}).path; });
Test it with to see the magic happen.
alert(currDir);
See also
Additionally, see section 16.5.2 of the Rapid Application Development with Mozilla book for instructions on how to get the current working directory and the process binary directory, among other things.