filemount.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program 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 2 of
 *  the License, or (at your option) any later version.
 *  This program 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, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.vfs.store.file;

import java.io.IOException;
import java.net.URLDecoder;

import org.apache.commons.vfs.FileObject;

import com.sslexplorer.boot.Util;
import com.sslexplorer.core.CoreUtil;
import com.sslexplorer.vfs.NetworkPlace;
import com.sslexplorer.vfs.utils.URI;
import com.sslexplorer.vfs.utils.URI.MalformedURIException;
import com.sslexplorer.vfs.webdav.AbstractNetworkPlaceMount;
import com.sslexplorer.vfs.webdav.DAVStore;
import com.sslexplorer.vfs.webdav.DAVTransaction;
import com.sslexplorer.vfs.webdav.DAVUtilities;

/**
 * Implementation of a {@link AbstractNetworkPlaceMount} that provides mounts
 * to the local file system.
 *  
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.17 $
 */
public class FileMount extends AbstractNetworkPlaceMount {

    /**
     * Constructor.
     *
     * @param networkPlace network place
     * @param store store
     */
    public FileMount(NetworkPlace networkPlace, DAVStore store) {
        super(networkPlace, store);
    }
    
    /* (non-Javadoc)
     * @see com.sslexplorer.vfs.webdav.AbstractNetworkPlaceMount#getRootVFSURI(com.sslexplorer.vfs.webdav.DAVTransaction)
     */
    public URI getRootVFSURI(DAVTransaction transaction) throws MalformedURIException {
        try {
            String path = DAVUtilities.encodePath(CoreUtil.doStandardReplacements(transaction.getSessionInfo(), getNetworkPlace().getUri().replace('\\', '/')), false);
            if(path.length() > 2 && path.toLowerCase().charAt(0) >= 'a' && path.toLowerCase().charAt(0) <= 'z' && path.charAt(1) == ':') {
                return new URI("file:///" + path);                
            }
            return new URI(path);
        }
        catch(MalformedURIException muri) {
            String path = DAVUtilities.encodePath(CoreUtil.doStandardReplacements(transaction.getSessionInfo(), getNetworkPlace().getUri().replace('\\', '/')), false);
            return new URI("file:///" + path);
        }
    }

    public FileObject createVFSFileObject(String path, DAVTransaction transaction) throws IOException {
        URI uri = getRootVFSURI(transaction);
        uri.setPath(DAVUtilities.concatenatePaths(uri.getPath(), path));
        FileObject root = getStore().getRepository().getFileSystemManager().resolveFile(uri.toString());
        return root;
    }
}