chrismair | 00dc7bd | 2014-05-11 21:21:28 +0000 | [diff] [blame] | 1 | /*
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| 2 | * Copyright 2008 the original author or authors.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | package org.mockftpserver.fake.filesystem;
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| 17 |
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| 18 | import org.mockftpserver.core.util.Assert;
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| 19 |
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| 20 | /**
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| 21 | * Implementation of the {@link FileSystem} interface that simulates a Unix
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| 22 | * file system. The rules for file and directory names include:
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| 23 | * <ul>
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| 24 | * <li>Filenames are case-sensitive</li>
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| 25 | * <li>Forward slashes (/) are the only valid path separators</li>
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| 26 | * </ul>
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| 27 | * <p/>
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| 28 | * The <code>directoryListingFormatter</code> property is automatically initialized to an instance
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| 29 | * of {@link UnixDirectoryListingFormatter}.
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| 30 | *
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| 31 | * @author Chris Mair
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| 32 | * @version $Revision$ - $Date$
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| 33 | */
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| 34 | public class UnixFakeFileSystem extends AbstractFakeFileSystem {
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| 35 |
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| 36 | public static final char SEPARATOR = '/';
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| 37 |
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| 38 | /**
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| 39 | * Construct a new instance and initialize the directoryListingFormatter to a UnixDirectoryListingFormatter.
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| 40 | */
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| 41 | public UnixFakeFileSystem() {
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| 42 | this.setDirectoryListingFormatter(new UnixDirectoryListingFormatter());
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| 43 | }
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| 44 |
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| 45 | //-------------------------------------------------------------------------
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| 46 | // Abstract Method Implementations
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| 47 | //-------------------------------------------------------------------------
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| 48 |
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| 49 | protected char getSeparatorChar() {
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| 50 | return SEPARATOR;
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| 51 | }
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| 52 |
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| 53 | /**
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| 54 | * Return true if the specified path designates a valid (absolute) file path. For Unix,
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| 55 | * a path is valid if it starts with the '/' character, followed by zero or more names
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| 56 | * (a sequence of any characters except '/'), delimited by '/'. The path may optionally
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| 57 | * contain a terminating '/'.
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| 58 | *
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| 59 | * @param path - the path
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| 60 | * @return true if path is valid, false otherwise
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| 61 | * @throws AssertionError - if path is null
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| 62 | */
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| 63 | protected boolean isValidName(String path) {
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| 64 | Assert.notNull(path, "path");
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| 65 | // Any character but '/'
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| 66 | return path.matches("\\/|(\\/[^\\/]+\\/?)+");
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| 67 |
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| 68 | }
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| 69 |
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| 70 | /**
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| 71 | * Return true if the specified char is a separator character ('\' or '/')
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| 72 | *
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| 73 | * @param c - the character to test
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| 74 | * @return true if the specified char is a separator character ('\' or '/')
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| 75 | */
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| 76 | protected boolean isSeparator(char c) {
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| 77 | return c == SEPARATOR;
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| 78 | }
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| 79 |
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| 80 | /**
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| 81 | * @return true if the specified path component is a root for this filesystem
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| 82 | */
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| 83 | protected boolean isRoot(String pathComponent) {
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| 84 | return pathComponent.indexOf(":") != -1;
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| 85 | }
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| 86 |
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| 87 | } |