/* * 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 Microsoft * Windows file system. The rules for file and directory names include: *
directoryListingFormatter
property is automatically initialized to an instance
* of {@link WindowsDirectoryListingFormatter}.
*
* @author Chris Mair
* @version $Revision$ - $Date$
*/
public class WindowsFakeFileSystem extends AbstractFakeFileSystem {
public static final char SEPARATOR = '\\';
private static final String VALID_PATTERN = "\\p{Alpha}\\:" + "(\\\\|(\\\\[^\\\\\\:\\*\\?\\<\\>\\|\\\"]+)+)";
//static final VALID_PATTERN = /\p{Alpha}\:(\\|(\\[^\\\:\*\?\<\>\|\"]+)+)/
private static final String LAN_PREFIX = "\\\\";
/**
* Construct a new instance and initialize the directoryListingFormatter to a WindowsDirectoryListingFormatter.
*/
public WindowsFakeFileSystem() {
this.setDirectoryListingFormatter(new WindowsDirectoryListingFormatter());
}
//-------------------------------------------------------------------------
// Abstract Or Overridden Method Implementations
//-------------------------------------------------------------------------
/**
* Return the normalized and unique key used to access the file system entry. Windows is case-insensitive,
* so normalize all paths to lower-case.
*
* @param path - the path
* @return the corresponding normalized key
*/
protected String getFileSystemEntryKey(String path) {
return normalize(path).toLowerCase();
}
protected char getSeparatorChar() {
return SEPARATOR;
}
/**
* Return true if the specified path designates a valid (absolute) file path. For Windows
* paths, a path is valid if it starts with a drive specifier followed by
* '\' or '/', or if it starts with "\\".
*
* @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");
String standardized = path.replace('/', '\\');
return standardized.matches(VALID_PATTERN) || standardized.startsWith(LAN_PREFIX);
}
/**
* 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 == '\\' || c == '/';
}
/**
* @return true if the specified path component is a root for this filesystem
*/
protected boolean isRoot(String pathComponent) {
return pathComponent.indexOf(":") != -1;
}
}