/* | |
* 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: | |
* <ul> | |
* <li>Filenames are case-sensitive</li> | |
* <li>Forward slashes (/) are the only valid path separators</li> | |
* </ul> | |
* <p/> | |
* The <code>directoryListingFormatter</code> 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; | |
} | |
} |