source: trunk/gli/src/org/greenstone/gatherer/file/FileSystem.java@ 5860

package org.greenstone.gatherer.file;

import java.io.File;
import javax.swing.filechooser.FileSystemView;
import org.greenstone.gatherer.Dictionary;
import org.greenstone.gatherer.file.FileNode;
import org.greenstone.gatherer.util.ArrayTools;


public class FileSystem
{
    static public FileNode getLocalFileSystem()
    {
    FileNode file_system_root = null;

    // Get all the available roots mounted on the filesystem
    File[] roots = File.listRoots();
    if (roots == null) {
        return null;
    }

    // If there is just one root use it as the tree root (Linux)
    if (roots.length == 1) {
        file_system_root = new FileNode(roots[0], Dictionary.get("Tree.Root"));
    }

    // Otherwise build a dummy node which has the roots as children
    else {
        file_system_root = new FileNode(Dictionary.get("Tree.Root"));

        // Sort the roots into alphabetical order
        ArrayTools.sort(roots);
        for (int i = 0; i < roots.length; i++) {
        // Only add root if it isn't a floppy drive
        if (!FileSystemView.getFileSystemView().isFloppyDrive(roots[i])) {
            file_system_root.insert(new FileNode(roots[i]));
        }
        }
    }

    return file_system_root;
    }


    static public FileNode getUserHomeMapping()
    {
    // Generate a special mapping to the user home folder
    String home_folder_str = System.getProperty("user.home");
    if (home_folder_str == null || home_folder_str.length() == 0) {
        return null;
    }

    File home_folder = new File(home_folder_str);
    String[] args = new String[1];
    args[0] = home_folder.getName();
    return new FileNode(home_folder, Dictionary.get("Tree.Home", args));
    }
}