/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.fs.service.def;
import java.io.File;
import java.io.IOException;
import org.jnode.fs.FSAccessRights;
import org.jnode.fs.FSDirectory;
import org.jnode.fs.FSEntry;
import org.jnode.fs.FSFile;
import org.jnode.fs.FileSystem;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
final class VirtualMountEntry implements FSEntry {
private final FileSystem<?> mountedFS;
private final String name;
private final FSDirectory parent;
private final FSEntry root;
/**
* Initialize this instance.
*
* @param mountedFS
* @param path Path in the mountedFS (null or "" for root)
* @param name
* @param parent
* @throws IOException
*/
VirtualMountEntry(FileSystem<?> mountedFS, String path, String name, VirtualDirEntry parent)
throws IOException {
this.mountedFS = mountedFS;
this.name = name;
this.parent = parent.getDirectory();
if ((path == null) || (path.length() == 0)) {
this.root = mountedFS.getRootEntry();
} else {
FSEntry e = mountedFS.getRootEntry();
while (path != null) {
final int idx = path.indexOf(File.separatorChar);
final String dir;
if (idx > 0) {
dir = path.substring(0, idx);
path = path.substring(idx + 1);
} else {
dir = path;
path = null;
}
e = e.getDirectory().getEntry(dir);
}
this.root = e;
}
}
/**
* @see org.jnode.fs.FSEntry#getAccessRights()
*/
public FSAccessRights getAccessRights() throws IOException {
return root.getAccessRights();
}
/**
* @see org.jnode.fs.FSEntry#getDirectory()
*/
public FSDirectory getDirectory() throws IOException {
return root.getDirectory();
}
/**
* @see org.jnode.fs.FSEntry#getFile()
*/
public FSFile getFile() throws IOException {
return root.getFile();
}
/**
* @see org.jnode.fs.FSEntry#getLastModified()
*/
public long getLastModified() throws IOException {
return root.getLastModified();
}
@Override
public String getId() {
return getName();
}
/**
* @see org.jnode.fs.FSEntry#getName()
*/
public String getName() {
return name;
}
/**
* @see org.jnode.fs.FSEntry#getParent()
*/
public FSDirectory getParent() {
return parent;
}
/**
* @see org.jnode.fs.FSEntry#isDirectory()
*/
public boolean isDirectory() {
return root.isDirectory();
}
/**
* @see org.jnode.fs.FSEntry#isDirty()
*/
public boolean isDirty() throws IOException {
return root.isDirty();
}
/**
* @see org.jnode.fs.FSEntry#isFile()
*/
public boolean isFile() {
return root.isFile();
}
/**
* @see org.jnode.fs.FSEntry#setLastModified(long)
*/
public void setLastModified(long lastModified) throws IOException {
root.setLastModified(lastModified);
}
/**
* @see org.jnode.fs.FSEntry#setName(java.lang.String)
*/
public void setName(String newName) throws IOException {
throw new IOException("Cannot set name of mount entry");
}
/**
* @see org.jnode.fs.FSObject#getFileSystem()
*/
public FileSystem<?> getFileSystem() {
return mountedFS;
}
/**
* @see org.jnode.fs.FSObject#isValid()
*/
public boolean isValid() {
return !mountedFS.isClosed();
}
/**
* @return Returns the mountedFS.
*/
public final FileSystem<?> getMountedFS() {
return mountedFS;
}
}