/* * Copyright 2008 the original author or authors. * * 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 org.mockftpserver.fake.filesystem; import org.mockftpserver.core.util.Assert; /** * Implementation of the {@link FileSystem} interface that simulates a Unix * file system. The rules for file and directory names include: *
directoryListingFormatter
property is automatically initialized to an instance
* of {@link UnixDirectoryListingFormatter}.
*
* @author Chris Mair
* @version $Revision$ - $Date$
*/
public class UnixFakeFileSystem extends AbstractFakeFileSystem {
public static final char SEPARATOR = '/';
/**
* Construct a new instance and initialize the directoryListingFormatter to a UnixDirectoryListingFormatter.
*/
public UnixFakeFileSystem() {
this.setDirectoryListingFormatter(new UnixDirectoryListingFormatter());
}
//-------------------------------------------------------------------------
// Abstract Method Implementations
//-------------------------------------------------------------------------
protected char getSeparatorChar() {
return SEPARATOR;
}
/**
* Return true if the specified path designates a valid (absolute) file path. For Unix,
* a path is valid if it starts with the '/' character, followed by zero or more names
* (a sequence of any characters except '/'), delimited by '/'. The path may optionally
* contain a terminating '/'.
*
* @param path - the path
* @return true if path is valid, false otherwise
* @throws AssertionError - if path is null
*/
protected boolean isValidName(String path) {
Assert.notNull(path, "path");
// Any character but '/'
return path.matches("\\/|(\\/[^\\/]+\\/?)+");
}
/**
* Return true if the specified char is a separator character ('\' or '/')
*
* @param c - the character to test
* @return true if the specified char is a separator character ('\' or '/')
*/
protected boolean isSeparator(char c) {
return c == SEPARATOR;
}
/**
* @return true if the specified path component is a root for this filesystem
*/
protected boolean isRoot(String pathComponent) {
return pathComponent.indexOf(":") != -1;
}
}