/*
 * Copyright 2013 Yuichiro Moriguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.morilib.sh;

import java.io.InputStream;

public interface ShFileSystem {

	/**
	 * 
	 * @return
	 */
	public ShFile getRoot();

	/**
	 * 
	 * @return
	 */
	public ShFile getCurrentDirectory();

	/**
	 * 
	 */
	public void setCurrentDirectory(ShFile s);

	/**
	 * 
	 * @param s
	 * @return
	 */
	public ShFile getFile(String s);

	/**
	 * 
	 * @param dir
	 * @param name
	 * @return
	 */
	public ShFile getFile(String dir, String name);

	/**
	 * 
	 * @param dir
	 * @param name
	 * @return
	 */
	public ShFile getFile(ShFile dir, String name);

	/**
	 * 
	 * @param s
	 * @return
	 */
	public ShFile getNativeFile(String s);

	/**
	 * 
	 * @return
	 */
	public ShSecurityPolicy getSecurityPolicy();

	/**
	 * 
	 * @return
	 */
	public InputStream getProfile();

	/**
	 * 
	 * @return
	 */
	public InputStream getRc();

	/**
	 * 
	 * @return
	 */
	public ShFile getHome();

	/**
	 * 
	 * @param env
	 * @param name
	 * @return
	 */
	public ShFile searchPath(ShEnvironment env, String name);

}
