/* | |
* 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: | |
* <ul> | |
* <li>Filenames are case-insensitive (and normalized to lower-case)</li> | |
* <li>Either forward slashes (/) or backward slashes (\) are valid path separators (but are normalized to '\')</li> | |
* <li>An absolute path starts with a drive specifier (e.g. 'a:' or 'c:') followed | |
* by '\' or '/', or else if it starts with "\\"</li> | |
* </ul> | |
* <p/> | |
* The <code>directoryListingFormatter</code> 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; | |
} | |
} |