/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2012 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.bookmark.file;
import com.mucommander.bookmark.Bookmark;
import com.mucommander.bookmark.BookmarkManager;
import com.mucommander.commons.file.AbstractFile;
import com.mucommander.commons.file.FileFactory;
import com.mucommander.commons.file.FileURL;
import com.mucommander.commons.file.ProtocolProvider;
import java.io.IOException;
/**
* This class is the provider for the bookmark filesystem implemented by {@link com.mucommander.bookmark.file.BookmarkFile}.
*
* @author Nicolas Rinaudo
* @see com.mucommander.bookmark.file.BookmarkFile
*/
public class BookmarkProtocolProvider implements ProtocolProvider {
/** Protocol for the virtual bookmarks file system. */
public static final String BOOKMARK = "bookmark";
public AbstractFile getFile(FileURL url, Object... instantiationParams) throws IOException {
// If the URL contains a path but no host, it's illegal.
// If it contains neither host nor path, we're browsing bookmarks://
if(url.getHost() == null) {
if(url.getPath().equals("/"))
return new BookmarkRoot(url);
throw new IOException();
}
// If the URL contains a host, look it up in the bookmark list and use that
// as the root of the returned path.
else {
Bookmark bookmark;
// If the bookmark doesn't exist, but a path is specified, throws an exception.
// Otherwise, returns the requested bookmark.
if((bookmark = BookmarkManager.getBookmark(url.getHost())) == null) {
if(!url.getPath().equals("/"))
throw new IOException();
return new BookmarkFile(new Bookmark(url.getHost(), url.getPath()));
}
// If the bookmark exists, and a path is specified, creates a new path
// from the bookmark's location and the specified path.
if(!url.getPath().equals("/"))
return FileFactory.getFile(bookmark.getLocation() + url.getPath());
// Otherwise, creates a new bookmark file.
return new BookmarkFile(bookmark);
}
}
}