1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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 com.android.sched.util.file;
import com.android.sched.util.RunnableHooks;
import com.android.sched.util.location.DirectoryLocation;
import com.android.sched.util.location.Location;
import com.android.sched.util.log.LoggerFactory;
import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* Class representing a directory path.
*/
public class Directory extends FileOrDirectory {
@Nonnull
private static final Logger logger = LoggerFactory.getLogger();
@Nonnull
private final File file;
public Directory(@Nonnull String name, @CheckForNull RunnableHooks hooks,
@Nonnull Existence existence, int permissions, @Nonnull ChangePermission change)
throws WrongPermissionException,
CannotSetPermissionException,
NoSuchFileException,
NotDirectoryException,
FileAlreadyExistsException,
CannotCreateFileException {
this(new File(name), new DirectoryLocation(name), hooks, existence, permissions, change);
}
public Directory(@CheckForNull Directory workingDirectory,
@Nonnull String string,
@CheckForNull RunnableHooks runnableHooks,
@Nonnull Existence existence,
int permissions,
@Nonnull ChangePermission change)
throws NotDirectoryException,
WrongPermissionException,
CannotSetPermissionException,
NoSuchFileException,
FileAlreadyExistsException,
CannotCreateFileException {
this(getFileFromWorkingDirectory(workingDirectory, string),
new DirectoryLocation(string),
runnableHooks,
existence,
permissions,
change);
}
private Directory(@Nonnull File file,
@Nonnull DirectoryLocation location,
@CheckForNull RunnableHooks hooks,
@Nonnull Existence existence,
int permissions,
@Nonnull ChangePermission change)
throws WrongPermissionException,
CannotSetPermissionException,
NoSuchFileException,
NotDirectoryException,
FileAlreadyExistsException,
CannotCreateFileException {
super(hooks);
this.file = file;
this.location = location;
if (existence == Existence.MAY_EXIST) {
if (file.exists()) {
existence = Existence.MUST_EXIST;
} else {
existence = Existence.NOT_EXIST;
}
}
switch (existence) {
case MUST_EXIST:
Directory.check(file, location);
FileOrDirectory.checkPermissions(file, location, permissions);
break;
case NOT_EXIST:
Directory.create(file, location);
addRemover(file);
FileOrDirectory.setPermissions(file, location, permissions, change);
FileOrDirectory.checkPermissions(file, location, permissions);
break;
case MAY_EXIST:
throw new AssertionError();
}
}
@Nonnull
public File getFile() {
clearRemover();
return file;
}
@Override
@Nonnull
public String toString() {
return location.getDescription();
}
public static void check(@Nonnull File file, @Nonnull DirectoryLocation location)
throws NoSuchFileException, NotDirectoryException {
assert file != null;
// Check existing
if (!file.exists()) {
throw new NoSuchFileException(location);
}
// Check if it is a directory
if (!file.isDirectory()) {
throw new NotDirectoryException(location);
}
}
public static void create(@Nonnull File file, @Nonnull Location location)
throws FileAlreadyExistsException, CannotCreateFileException {
assert file != null;
// Check Existing
if (file.exists()) {
throw new FileAlreadyExistsException(location);
}
// Create
if (file.mkdir()) {
logger.log(Level.FINE, "Create {0} (''{1}'')",
new Object[] {location.getDescription(), file.getAbsoluteFile()});
} else {
if (!file.exists()) {
throw new CannotCreateFileException(location);
}
}
}
@Override
@Nonnull
public String getPath() {
return file.getPath();
}
}
|
