/*
* $Id$
*
* 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.jarfs;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import org.jnode.fs.FSDirectory;
import org.jnode.fs.FSEntry;
import org.jnode.fs.FileSystem;
import org.jnode.fs.ReadOnlyFileSystemException;
/**
* @author Fabien DUMINY (fduminy at users.sourceforge.net)
*/
public final class JarFSDirectory implements FSDirectory {
private final JarFSEntry entry;
private Map<String, JarFSEntry> jarEntries;
/**
* @param entry
*/
public JarFSDirectory(JarFSEntry entry, Map<String, JarFSEntry> entries) {
this.entry = entry;
this.jarEntries = entries;
}
/**
* @see org.jnode.fs.FSDirectory#iterator()
*/
public Iterator<? extends FSEntry> iterator() {
return jarEntries.values().iterator();
}
/**
* @see org.jnode.fs.FSDirectory#getEntry(java.lang.String)
*/
public FSEntry getEntry(String name) throws IOException {
return jarEntries.get(name);
}
@Override
public FSEntry getEntryById(String id) throws IOException {
return getEntry(id);
}
/**
* @see org.jnode.fs.FSDirectory#addFile(java.lang.String)
*/
public FSEntry addFile(String name) throws IOException {
throw new ReadOnlyFileSystemException("jar file systems are always readOnly");
}
/**
* @see org.jnode.fs.FSDirectory#addDirectory(java.lang.String)
*/
public FSEntry addDirectory(String name) throws IOException {
throw new ReadOnlyFileSystemException("jar file systems are always readOnly");
}
/**
* @see org.jnode.fs.FSDirectory#remove(java.lang.String)
*/
public void remove(String name) throws IOException {
throw new ReadOnlyFileSystemException("jar file systems are always readOnly");
}
/**
* @see org.jnode.fs.FSObject#isValid()
*/
public final boolean isValid() {
return true;
}
/**
* @see org.jnode.fs.FSObject#getFileSystem()
*/
public final FileSystem<?> getFileSystem() {
return entry.getFileSystem();
}
/**
* Save all dirty (unsaved) data to the device
*
* @throws IOException
*/
public void flush() throws IOException {
// jar file systems are always readOnly
}
}