/*
 * @(#)SecFile.java
 *
 * This file is part of webCDwriter - Network CD Writing.
 *
 * Copyright (C) 1999-2002 Jörg P. M. Haeger
 *
 * webCDwriter is free software. See CDcreator.java for details.
 */

import java.io.*;
import netscape.security.PrivilegeManager;

/**
 * Run the methods of File in a Netscape privilege environment.
 *
 * @version 20021111
 * @author Jörg P. M. Haeger
 */
class SecFile extends File2 {
	public SecFile(File parent, String child) {
		super(parent, child);
	}

	public SecFile(String pathname) {
		super(pathname);
	}

	public boolean canRead() {
		if (CDcreator.isNetscapeVM())
		try {
			PrivilegeManager.enablePrivilege(
				"UniversalFileRead");
		}
		catch (Exception e) {
		}
		return super.canRead();
	}

	public boolean isDirectory() {
		if (CDcreator.isNetscapeVM())
		try {
			PrivilegeManager.enablePrivilege(
				"UniversalFileRead");
		}
		catch (Exception e) {
		}
		return super.isDirectory();
	}

	public long length() {
		if (CDcreator.isNetscapeVM())
		try {
			PrivilegeManager.enablePrivilege(
				"UniversalFileRead");
		}
		catch (Exception e) {
		}
		return super.length();
	}

	public File[] listFiles() {
		if (CDcreator.isNetscapeVM())
		try {
			PrivilegeManager.enablePrivilege(
				"UniversalFileRead");
		}
		catch (Exception e) {
		}

		String names[] = list();
		if (names == null)
			return null;

		File[] files = new File[names.length];
		for (int i = 0; i < files.length; i++)
			files[i] = new SecFile(this, names[i]);
		return files;
	}
}