franta-hg@11
|
1 |
/**
|
franta-hg@11
|
2 |
* Alt2XML
|
franta-hg@11
|
3 |
* Copyright © 2014 František Kučera (frantovo.cz)
|
franta-hg@11
|
4 |
*
|
franta-hg@11
|
5 |
* This program is free software: you can redistribute it and/or modify
|
franta-hg@11
|
6 |
* it under the terms of the GNU General Public License as published by
|
franta-hg@11
|
7 |
* the Free Software Foundation, either version 3 of the License, or
|
franta-hg@11
|
8 |
* (at your option) any later version.
|
franta-hg@11
|
9 |
*
|
franta-hg@11
|
10 |
* This program is distributed in the hope that it will be useful,
|
franta-hg@11
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
franta-hg@11
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
franta-hg@11
|
13 |
* GNU General Public License for more details.
|
franta-hg@11
|
14 |
*
|
franta-hg@11
|
15 |
* You should have received a copy of the GNU General Public License
|
franta-hg@11
|
16 |
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
franta-hg@11
|
17 |
*/
|
franta-hg@103
|
18 |
package cz.frantovo.alt2xml.in.fs;
|
franta-hg@2
|
19 |
|
franta-hg@17
|
20 |
import cz.frantovo.alt2xml.AbstractAlt2XmlReader;
|
franta-hg@103
|
21 |
import java.io.File;
|
franta-hg@2
|
22 |
import java.io.IOException;
|
franta-hg@103
|
23 |
import java.net.URI;
|
franta-hg@103
|
24 |
import java.net.URISyntaxException;
|
franta-hg@106
|
25 |
import java.nio.ByteBuffer;
|
franta-hg@106
|
26 |
import java.nio.file.Files;
|
franta-hg@106
|
27 |
import java.nio.file.LinkOption;
|
franta-hg@106
|
28 |
import java.nio.file.Path;
|
franta-hg@106
|
29 |
import java.nio.file.attribute.PosixFilePermission;
|
franta-hg@106
|
30 |
import java.nio.file.attribute.UserDefinedFileAttributeView;
|
franta-hg@106
|
31 |
import java.nio.file.spi.FileSystemProvider;
|
franta-hg@106
|
32 |
import java.util.List;
|
franta-hg@106
|
33 |
import java.util.ArrayList;
|
franta-hg@106
|
34 |
import java.util.Set;
|
franta-hg@77
|
35 |
import java.util.logging.Logger;
|
franta-hg@103
|
36 |
import org.xml.sax.Attributes;
|
franta-hg@2
|
37 |
import org.xml.sax.InputSource;
|
franta-hg@2
|
38 |
import org.xml.sax.SAXException;
|
franta-hg@92
|
39 |
import org.xml.sax.helpers.AttributesImpl;
|
franta-hg@2
|
40 |
|
franta-hg@2
|
41 |
/**
|
franta-hg@103
|
42 |
* Reads filesystem – hierarchical structure of directories and files.
|
franta-hg@2
|
43 |
*
|
franta-hg@17
|
44 |
* @author Ing. František Kučera (frantovo.cz)
|
franta-hg@2
|
45 |
*/
|
franta-hg@17
|
46 |
public class Reader extends AbstractAlt2XmlReader {
|
franta-hg@13
|
47 |
|
franta-hg@103
|
48 |
public static final String ROOT_ELEMENT = "fs";
|
franta-hg@103
|
49 |
public static final String DIR_ELEMENT = "dir";
|
franta-hg@103
|
50 |
public static final String FILE_ELEMENT = "file";
|
franta-hg@106
|
51 |
public static final String XATTR_ELEMENT = "xattr";
|
franta-hg@106
|
52 |
public static final String PERMISSIONS_ELEMENT = "mode";
|
franta-hg@106
|
53 |
public static final String PERMISSIONS_U_ELEMENT = "user";
|
franta-hg@106
|
54 |
public static final String PERMISSIONS_G_ELEMENT = "group";
|
franta-hg@106
|
55 |
public static final String PERMISSIONS_O_ELEMENT = "others";
|
franta-hg@103
|
56 |
public static final String NAME_ATTRIBUTE = "name";
|
franta-hg@106
|
57 |
public static final String ABSOLUTE_PATH_ATTRIBUTE = "path";
|
franta-hg@106
|
58 |
public static final String SIZE_ATTRIBUTE = "size";
|
franta-hg@77
|
59 |
private static final Logger log = Logger.getLogger(Reader.class.getName());
|
franta-hg@77
|
60 |
|
franta-hg@106
|
61 |
/**
|
franta-hg@106
|
62 |
* indentation level
|
franta-hg@106
|
63 |
*/
|
franta-hg@106
|
64 |
private int level = 0;
|
franta-hg@106
|
65 |
|
franta-hg@2
|
66 |
@Override
|
franta-hg@6
|
67 |
public void parse(InputSource input) throws IOException, SAXException {
|
franta-hg@103
|
68 |
File dir = getFile(input.getSystemId());
|
franta-hg@77
|
69 |
|
franta-hg@103
|
70 |
outputStart(dir);
|
franta-hg@103
|
71 |
outputDir(dir);
|
franta-hg@59
|
72 |
outputEnd();
|
franta-hg@59
|
73 |
}
|
franta-hg@59
|
74 |
|
franta-hg@103
|
75 |
private File getFile(String systemId) throws IOException {
|
franta-hg@103
|
76 |
try {
|
franta-hg@103
|
77 |
return new File(new URI(systemId));
|
franta-hg@103
|
78 |
} catch (URISyntaxException e) {
|
franta-hg@103
|
79 |
throw new IOException("Invalid dir URI", e);
|
franta-hg@103
|
80 |
}
|
franta-hg@103
|
81 |
}
|
franta-hg@103
|
82 |
|
franta-hg@106
|
83 |
private String getAbsolutePath(File file) throws IOException {
|
franta-hg@106
|
84 |
return file.getCanonicalFile().getAbsolutePath();
|
franta-hg@106
|
85 |
}
|
franta-hg@106
|
86 |
|
franta-hg@106
|
87 |
private Attributes singleAttribute(String name, int value) {
|
franta-hg@106
|
88 |
AttributesImpl attributes = new AttributesImpl();
|
franta-hg@106
|
89 |
addAttribute(attributes, name, value);
|
franta-hg@106
|
90 |
return attributes;
|
franta-hg@106
|
91 |
}
|
franta-hg@109
|
92 |
|
franta-hg@103
|
93 |
private Attributes singleAttribute(String name, String value) {
|
franta-hg@103
|
94 |
AttributesImpl attributes = new AttributesImpl();
|
franta-hg@106
|
95 |
addAttribute(attributes, name, value);
|
franta-hg@103
|
96 |
return attributes;
|
franta-hg@103
|
97 |
}
|
franta-hg@103
|
98 |
|
franta-hg@106
|
99 |
private void addAttribute(AttributesImpl attributes, String name, int value) {
|
franta-hg@106
|
100 |
attributes.addAttribute(null, name, name, "xs:int", String.valueOf(value));
|
franta-hg@106
|
101 |
}
|
franta-hg@106
|
102 |
|
franta-hg@106
|
103 |
private void addAttribute(AttributesImpl attributes, String name, long value) {
|
franta-hg@106
|
104 |
attributes.addAttribute(null, name, name, "xs:long", String.valueOf(value));
|
franta-hg@106
|
105 |
}
|
franta-hg@106
|
106 |
|
franta-hg@106
|
107 |
private void addAttribute(AttributesImpl attributes, String name, String value) {
|
franta-hg@106
|
108 |
attributes.addAttribute(null, name, name, "xs:string", value);
|
franta-hg@106
|
109 |
}
|
franta-hg@106
|
110 |
|
franta-hg@106
|
111 |
private void outputStart(File root) throws SAXException, IOException {
|
franta-hg@21
|
112 |
contentHandler.startDocument();
|
franta-hg@76
|
113 |
contentHandler.lineBreak();
|
franta-hg@106
|
114 |
contentHandler.startElement(null, null, ROOT_ELEMENT, singleAttribute(ABSOLUTE_PATH_ATTRIBUTE, getAbsolutePath(root)));
|
franta-hg@75
|
115 |
contentHandler.lineBreak();
|
franta-hg@59
|
116 |
}
|
franta-hg@59
|
117 |
|
franta-hg@59
|
118 |
private void outputEnd() throws SAXException {
|
franta-hg@102
|
119 |
contentHandler.endElement(null, null, ROOT_ELEMENT);
|
franta-hg@75
|
120 |
contentHandler.lineBreak();
|
franta-hg@21
|
121 |
contentHandler.endDocument();
|
franta-hg@6
|
122 |
}
|
franta-hg@76
|
123 |
|
franta-hg@106
|
124 |
private void outputFile(File file) throws SAXException, IOException {
|
franta-hg@106
|
125 |
level++;
|
franta-hg@106
|
126 |
|
franta-hg@106
|
127 |
AttributesImpl attributes = new AttributesImpl();
|
franta-hg@106
|
128 |
addAttribute(attributes, NAME_ATTRIBUTE, file.getName());
|
franta-hg@106
|
129 |
addAttribute(attributes, ABSOLUTE_PATH_ATTRIBUTE, getAbsolutePath(file));
|
franta-hg@106
|
130 |
addAttribute(attributes, SIZE_ATTRIBUTE, file.length());
|
franta-hg@106
|
131 |
|
franta-hg@106
|
132 |
contentHandler.indentation(level);
|
franta-hg@106
|
133 |
contentHandler.startElement(null, null, FILE_ELEMENT, attributes);
|
franta-hg@103
|
134 |
contentHandler.lineBreak();
|
franta-hg@77
|
135 |
|
franta-hg@106
|
136 |
outputPermissions(file.toPath());
|
franta-hg@106
|
137 |
outputExtendedAttributes(file);
|
franta-hg@77
|
138 |
|
franta-hg@106
|
139 |
contentHandler.indentation(level);
|
franta-hg@103
|
140 |
contentHandler.endElement(null, null, FILE_ELEMENT);
|
franta-hg@103
|
141 |
contentHandler.lineBreak();
|
franta-hg@106
|
142 |
|
franta-hg@106
|
143 |
level--;
|
franta-hg@77
|
144 |
}
|
franta-hg@77
|
145 |
|
franta-hg@106
|
146 |
private void outputDir(File dir) throws SAXException, IOException {
|
franta-hg@106
|
147 |
level++;
|
franta-hg@89
|
148 |
|
franta-hg@106
|
149 |
final File[] children = dir.listFiles();
|
franta-hg@106
|
150 |
|
franta-hg@106
|
151 |
AttributesImpl attributes = new AttributesImpl();
|
franta-hg@106
|
152 |
addAttribute(attributes, NAME_ATTRIBUTE, dir.getName());
|
franta-hg@106
|
153 |
addAttribute(attributes, ABSOLUTE_PATH_ATTRIBUTE, getAbsolutePath(dir));
|
franta-hg@106
|
154 |
addAttribute(attributes, SIZE_ATTRIBUTE, children.length);
|
franta-hg@106
|
155 |
|
franta-hg@106
|
156 |
contentHandler.indentation(level);
|
franta-hg@106
|
157 |
contentHandler.startElement(null, null, DIR_ELEMENT, attributes);
|
franta-hg@103
|
158 |
contentHandler.lineBreak();
|
franta-hg@77
|
159 |
|
franta-hg@106
|
160 |
outputPermissions(dir.toPath());
|
franta-hg@106
|
161 |
outputExtendedAttributes(dir);
|
franta-hg@106
|
162 |
|
franta-hg@106
|
163 |
for (File file : children) {
|
franta-hg@103
|
164 |
if (file.isDirectory()) {
|
franta-hg@103
|
165 |
outputDir(file);
|
franta-hg@103
|
166 |
} else {
|
franta-hg@103
|
167 |
outputFile(file);
|
franta-hg@81
|
168 |
}
|
franta-hg@77
|
169 |
}
|
franta-hg@77
|
170 |
|
franta-hg@106
|
171 |
contentHandler.indentation(level);
|
franta-hg@103
|
172 |
contentHandler.endElement(null, null, DIR_ELEMENT);
|
franta-hg@103
|
173 |
contentHandler.lineBreak();
|
franta-hg@106
|
174 |
|
franta-hg@106
|
175 |
level--;
|
franta-hg@106
|
176 |
}
|
franta-hg@106
|
177 |
|
franta-hg@106
|
178 |
private String encodeElementName(String originalName) {
|
franta-hg@106
|
179 |
/**
|
franta-hg@106
|
180 |
* TODO: encode and/or skip invalid characters
|
franta-hg@106
|
181 |
*/
|
franta-hg@106
|
182 |
return originalName;
|
franta-hg@106
|
183 |
}
|
franta-hg@106
|
184 |
|
franta-hg@106
|
185 |
private void outputPermissions(Path path) throws IOException, SAXException {
|
franta-hg@106
|
186 |
level++;
|
franta-hg@109
|
187 |
Set<PosixFilePermission> permissions = Files.getPosixFilePermissions(path); // TODO: maybe symlinks: LinkOption.NOFOLLOW_LINKS
|
franta-hg@106
|
188 |
|
franta-hg@106
|
189 |
contentHandler.indentation(level);
|
franta-hg@106
|
190 |
contentHandler.startElement(null, PERMISSIONS_ELEMENT, PERMISSIONS_ELEMENT, singleAttribute("octal", getOctal(permissions)));
|
franta-hg@106
|
191 |
contentHandler.lineBreak();
|
franta-hg@106
|
192 |
|
franta-hg@106
|
193 |
level++;
|
franta-hg@106
|
194 |
|
franta-hg@106
|
195 |
outputPermission("owner", permissions.contains(PosixFilePermission.OWNER_READ), permissions.contains(PosixFilePermission.OWNER_WRITE), permissions.contains(PosixFilePermission.OWNER_EXECUTE));
|
franta-hg@106
|
196 |
outputPermission("group", permissions.contains(PosixFilePermission.GROUP_READ), permissions.contains(PosixFilePermission.GROUP_WRITE), permissions.contains(PosixFilePermission.GROUP_EXECUTE));
|
franta-hg@106
|
197 |
outputPermission("others", permissions.contains(PosixFilePermission.OTHERS_READ), permissions.contains(PosixFilePermission.OTHERS_WRITE), permissions.contains(PosixFilePermission.OTHERS_EXECUTE));
|
franta-hg@106
|
198 |
|
franta-hg@106
|
199 |
level--;
|
franta-hg@106
|
200 |
|
franta-hg@106
|
201 |
contentHandler.indentation(level);
|
franta-hg@106
|
202 |
contentHandler.endElement(null, PERMISSIONS_ELEMENT, PERMISSIONS_ELEMENT);
|
franta-hg@106
|
203 |
contentHandler.lineBreak();
|
franta-hg@106
|
204 |
|
franta-hg@106
|
205 |
level--;
|
franta-hg@106
|
206 |
}
|
franta-hg@106
|
207 |
|
franta-hg@106
|
208 |
private int getOctal(Set<PosixFilePermission> permissions) {
|
franta-hg@106
|
209 |
int octal = 0;
|
franta-hg@109
|
210 |
|
franta-hg@106
|
211 |
octal = octal + 100 * (permissions.contains(PosixFilePermission.OWNER_READ) ? 4 : 0);
|
franta-hg@106
|
212 |
octal = octal + 100 * (permissions.contains(PosixFilePermission.OWNER_WRITE) ? 2 : 0);
|
franta-hg@106
|
213 |
octal = octal + 100 * (permissions.contains(PosixFilePermission.OWNER_EXECUTE) ? 1 : 0);
|
franta-hg@109
|
214 |
|
franta-hg@106
|
215 |
octal = octal + 10 * (permissions.contains(PosixFilePermission.GROUP_READ) ? 4 : 0);
|
franta-hg@106
|
216 |
octal = octal + 10 * (permissions.contains(PosixFilePermission.GROUP_WRITE) ? 2 : 0);
|
franta-hg@106
|
217 |
octal = octal + 10 * (permissions.contains(PosixFilePermission.GROUP_EXECUTE) ? 1 : 0);
|
franta-hg@109
|
218 |
|
franta-hg@106
|
219 |
octal = octal + 1 * (permissions.contains(PosixFilePermission.OTHERS_READ) ? 4 : 0);
|
franta-hg@106
|
220 |
octal = octal + 1 * (permissions.contains(PosixFilePermission.OTHERS_WRITE) ? 2 : 0);
|
franta-hg@106
|
221 |
octal = octal + 1 * (permissions.contains(PosixFilePermission.OTHERS_EXECUTE) ? 1 : 0);
|
franta-hg@106
|
222 |
|
franta-hg@106
|
223 |
return octal;
|
franta-hg@106
|
224 |
}
|
franta-hg@106
|
225 |
|
franta-hg@106
|
226 |
private void outputPermission(String name, boolean read, boolean write, boolean execute) throws SAXException {
|
franta-hg@106
|
227 |
contentHandler.indentation(level);
|
franta-hg@106
|
228 |
AttributesImpl attributes = new AttributesImpl();
|
franta-hg@106
|
229 |
attributes.addAttribute(null, "read", "read", "xs:boolean", String.valueOf(read));
|
franta-hg@106
|
230 |
attributes.addAttribute(null, "write", "write", "xs:boolean", String.valueOf(write));
|
franta-hg@106
|
231 |
attributes.addAttribute(null, "execute", "execute", "xs:boolean", String.valueOf(execute));
|
franta-hg@106
|
232 |
contentHandler.startElement(null, name, name, attributes);
|
franta-hg@106
|
233 |
contentHandler.endElement(null, name, name);
|
franta-hg@106
|
234 |
contentHandler.lineBreak();
|
franta-hg@106
|
235 |
}
|
franta-hg@106
|
236 |
|
franta-hg@106
|
237 |
private void outputExtendedAttributes(File file) throws IOException, SAXException {
|
franta-hg@106
|
238 |
level++;
|
franta-hg@106
|
239 |
|
franta-hg@106
|
240 |
final List<ExtendedAttribute> extendedAttributes = getExtendedAttributes(file);
|
franta-hg@106
|
241 |
|
franta-hg@106
|
242 |
if (!extendedAttributes.isEmpty()) {
|
franta-hg@106
|
243 |
contentHandler.indentation(level);
|
franta-hg@106
|
244 |
contentHandler.startElement(null, XATTR_ELEMENT, XATTR_ELEMENT, null);
|
franta-hg@106
|
245 |
contentHandler.lineBreak();
|
franta-hg@106
|
246 |
level++;
|
franta-hg@106
|
247 |
for (ExtendedAttribute ea : extendedAttributes) {
|
franta-hg@106
|
248 |
contentHandler.indentation(level);
|
franta-hg@106
|
249 |
String elementName = encodeElementName(ea.getKey());
|
franta-hg@106
|
250 |
contentHandler.textElement(ea.getValue(), null, elementName, elementName, null);
|
franta-hg@106
|
251 |
contentHandler.lineBreak();
|
franta-hg@106
|
252 |
}
|
franta-hg@106
|
253 |
level--;
|
franta-hg@106
|
254 |
contentHandler.indentation(level);
|
franta-hg@106
|
255 |
contentHandler.endElement(null, XATTR_ELEMENT, XATTR_ELEMENT);
|
franta-hg@106
|
256 |
contentHandler.lineBreak();
|
franta-hg@106
|
257 |
}
|
franta-hg@106
|
258 |
|
franta-hg@106
|
259 |
level--;
|
franta-hg@106
|
260 |
}
|
franta-hg@106
|
261 |
|
franta-hg@106
|
262 |
private List<ExtendedAttribute> getExtendedAttributes(File file) throws IOException {
|
franta-hg@106
|
263 |
|
franta-hg@106
|
264 |
List<ExtendedAttribute> l = new ArrayList<>();
|
franta-hg@106
|
265 |
|
franta-hg@106
|
266 |
Path path = file.toPath();
|
franta-hg@106
|
267 |
FileSystemProvider provider = path.getFileSystem().provider();
|
franta-hg@106
|
268 |
UserDefinedFileAttributeView attributes = provider.getFileAttributeView(path, UserDefinedFileAttributeView.class);
|
franta-hg@106
|
269 |
|
franta-hg@106
|
270 |
for (String jménoAtributu : attributes.list()) {
|
franta-hg@106
|
271 |
ByteBuffer hodnotaAtributu = ByteBuffer.allocate(attributes.size(jménoAtributu));
|
franta-hg@106
|
272 |
attributes.read(jménoAtributu, hodnotaAtributu);
|
franta-hg@106
|
273 |
l.add(new ExtendedAttribute(jménoAtributu, hodnotaAtributu));
|
franta-hg@106
|
274 |
}
|
franta-hg@106
|
275 |
|
franta-hg@106
|
276 |
return l;
|
franta-hg@106
|
277 |
|
franta-hg@77
|
278 |
}
|
franta-hg@2
|
279 |
}
|