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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.filemanager.commands.shell;
import android.util.Log;
import com.cyanogenmod.filemanager.commands.ListExecutable;
import com.cyanogenmod.filemanager.console.CommandNotFoundException;
import com.cyanogenmod.filemanager.console.ExecutionException;
import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
import com.cyanogenmod.filemanager.console.shell.ShellConsole;
import com.cyanogenmod.filemanager.model.FileSystemObject;
import com.cyanogenmod.filemanager.model.ParentDirectory;
import com.cyanogenmod.filemanager.util.FileHelper;
import com.cyanogenmod.filemanager.util.ParseHelper;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.StringReader;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
/**
* A class for list information about files and directories.
*
* {@link "http://unixhelp.ed.ac.uk/CGI/man-cgi?stat"}
*/
public class ListCommand extends SyncResultProgram implements ListExecutable {
private static final String TAG = "ListCommand"; //$NON-NLS-1$
private static final String ID_LS = "ls"; //$NON-NLS-1$
private static final String ID_FILEINFO = "fileinfo"; //$NON-NLS-1$
private final LIST_MODE mMode;
private final List<FileSystemObject> mFiles;
private String mParentDir;
/**
* Constructor of <code>ListCommand</code>. List mode.
*
* @param src The file system object to be listed
* @param console The console in which retrieve the parent directory information.
* <code>null</code> to attach to the default console
* @throws InvalidCommandDefinitionException If the command has an invalid definition
*/
public ListCommand(String src, ShellConsole console)
throws InvalidCommandDefinitionException {
// Always add backslash for list the files of the directory, instead of
// the directory.
super(ID_LS, new String[]{ FileHelper.addTrailingSlash(src) });
//Initialize files to something distinct of null
this.mFiles = new ArrayList<FileSystemObject>();
this.mMode = LIST_MODE.DIRECTORY;
//Retrieve parent directory information
if (src.compareTo(FileHelper.ROOT_DIRECTORY) == 0) {
this.mParentDir = null;
} else {
this.mParentDir = new File(src).getAbsolutePath();
}
}
/**
* Constructor of <code>ListCommand</code>. FileInfo mode
*
* @param src The file system object to be listed
* @param followSymlinks If follow the symlink
* @param console The console in which retrieve the parent directory information.
* <code>null</code> to attach to the default console
* @throws InvalidCommandDefinitionException If the command has an invalid definition
* @throws FileNotFoundException If the initial directory not exists
* @throws IOException If initial directory couldn't be checked
*/
public ListCommand(String src, boolean followSymlinks, ShellConsole console)
throws InvalidCommandDefinitionException, FileNotFoundException, IOException {
// Always remove backslash for avoid listing the files of the directory, instead of
// the directory.
super(ID_FILEINFO,
new String[]{
FileHelper.removeTrailingSlash(
followSymlinks ?
new File(src).getCanonicalPath() :
new File(src).getAbsolutePath())});
//Initialize files to something distinct of null
this.mFiles = new ArrayList<FileSystemObject>();
this.mMode = LIST_MODE.FILEINFO;
//Get the absolute path
if (followSymlinks) {
this.mParentDir =
FileHelper.removeTrailingSlash(
new File(src).getCanonicalFile().getParent());
} else {
this.mParentDir =
FileHelper.removeTrailingSlash(
new File(src).getAbsoluteFile().getParent());
}
}
/**
* {@inheritDoc}
*/
@Override
public void parse(String in, String err) throws ParseException {
//Release the array
this.mFiles.clear();
// Read every line and parse it
BufferedReader br = null;
try {
br = new BufferedReader(new StringReader(in));
String line = null;
while ((line = br.readLine()) != null) {
//Checks that there is some text in the line. Otherwise ignore it
if (line.trim().length() == 0) {
break;
}
// Parse and add to result files
try {
this.mFiles.add(ParseHelper.parseStatOutput(line));
} catch (Exception e) {
// Log the parsing error
if (isTrace()) {
Log.w(TAG,
String.format(
"Failed to parse output: %s", //$NON-NLS-1$
String.valueOf(line)));
}
}
}
// Add the parent directory
if (this.mParentDir != null &&
this.mParentDir.compareTo(FileHelper.ROOT_DIRECTORY) != 0 &&
this.mMode.compareTo(LIST_MODE.DIRECTORY) == 0) {
this.mFiles.add(0, new ParentDirectory(new File(this.mParentDir).getParent()));
}
} catch (IOException ioEx) {
throw new ParseException(ioEx.getMessage(), 0);
} catch (Exception ex) {
throw new ParseException(ex.getMessage(), 0);
} finally {
try {
if (br != null) {
br.close();
}
} catch (Throwable ex) {
/**NON BLOCK**/
}
}
}
/**
* {@inheritDoc}
*/
@Override
public List<FileSystemObject> getResult() {
return this.mFiles;
}
/**
* Method that returns a single result of the program invocation.
* Only must be called within a <code>FILEINFO</code> mode listing.
*
* @return FileSystemObject The file system object reference
*/
public FileSystemObject getSingleResult() {
return this.mFiles.get(0);
}
/**
* {@inheritDoc}
*/
@Override
public void checkExitCode(int exitCode)
throws InsufficientPermissionsException, CommandNotFoundException, ExecutionException {
// 123: stat failed ... Function not implemented (for broken symlinks)
if (exitCode != 0 && exitCode != 1 && exitCode != 123) {
throw new ExecutionException("exitcode != 0 && != 1 && != 123"); //$NON-NLS-1$
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean isWaitOnNewDataReceipt() {
return true;
}
}
|
