108 int volumeType() {
109 return volType;
110 }
111
112 @Override
113 public String name() {
114 return volInfo.volumeName(); // "SYSTEM", "DVD-RW", ...
115 }
116
117 @Override
118 public String type() {
119 return volInfo.fileSystemName(); // "FAT", "NTFS", ...
120 }
121
122 @Override
123 public boolean isReadOnly() {
124 return ((volInfo.flags() & FILE_READ_ONLY_VOLUME) != 0);
125 }
126
127 // read the free space info
128 private DiskFreeSpace readDiskFreeSpace() throws IOException {
129 try {
130 return GetDiskFreeSpaceEx(root);
131 } catch (WindowsException x) {
132 x.rethrowAsIOException(root);
133 return null;
134 }
135 }
136
137 @Override
138 public long getTotalSpace() throws IOException {
139 return readDiskFreeSpace().totalNumberOfBytes();
140 }
141
142 @Override
143 public long getUsableSpace() throws IOException {
144 return readDiskFreeSpace().freeBytesAvailable();
145 }
146
147 @Override
148 public long getUnallocatedSpace() throws IOException {
149 return readDiskFreeSpace().freeBytesAvailable();
150 }
151
152 @Override
153 public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {
154 if (type == null)
155 throw new NullPointerException();
156 return (V) null;
157 }
158
159 @Override
160 public Object getAttribute(String attribute) throws IOException {
161 // standard
162 if (attribute.equals("totalSpace"))
163 return getTotalSpace();
164 if (attribute.equals("usableSpace"))
165 return getUsableSpace();
166 if (attribute.equals("unallocatedSpace"))
167 return getUnallocatedSpace();
168 // windows specific for testing purposes
169 if (attribute.equals("volume:vsn"))
170 return volInfo.volumeSerialNumber();
171 if (attribute.equals("volume:isRemovable"))
172 return volType == DRIVE_REMOVABLE;
173 if (attribute.equals("volume:isCdrom"))
174 return volType == DRIVE_CDROM;
175 throw new UnsupportedOperationException("'" + attribute + "' not recognized");
176 }
177
178 @Override
179 public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {
180 if (type == null)
181 throw new NullPointerException();
182 if (type == BasicFileAttributeView.class || type == DosFileAttributeView.class)
183 return true;
184 if (type == AclFileAttributeView.class || type == FileOwnerAttributeView.class)
185 return ((volInfo.flags() & FILE_PERSISTENT_ACLS) != 0);
186 if (type == UserDefinedFileAttributeView.class)
187 return ((volInfo.flags() & FILE_NAMED_STREAMS) != 0);
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108 int volumeType() {
109 return volType;
110 }
111
112 @Override
113 public String name() {
114 return volInfo.volumeName(); // "SYSTEM", "DVD-RW", ...
115 }
116
117 @Override
118 public String type() {
119 return volInfo.fileSystemName(); // "FAT", "NTFS", ...
120 }
121
122 @Override
123 public boolean isReadOnly() {
124 return ((volInfo.flags() & FILE_READ_ONLY_VOLUME) != 0);
125 }
126
127 // read the free space info
128 private DiskFreeSpace readDiskFreeSpaceEx() throws IOException {
129 try {
130 return GetDiskFreeSpaceEx(root);
131 } catch (WindowsException x) {
132 x.rethrowAsIOException(root);
133 return null;
134 }
135 }
136
137 private DiskFreeSpace readDiskFreeSpace() throws IOException {
138 try {
139 return GetDiskFreeSpace(root);
140 } catch (WindowsException x) {
141 x.rethrowAsIOException(root);
142 return null;
143 }
144 }
145
146 @Override
147 public long getTotalSpace() throws IOException {
148 return readDiskFreeSpaceEx().totalNumberOfBytes();
149 }
150
151 @Override
152 public long getUsableSpace() throws IOException {
153 return readDiskFreeSpaceEx().freeBytesAvailable();
154 }
155
156 @Override
157 public int getBlockSize() throws IOException {
158 return (int)readDiskFreeSpace().bytesPerSector();
159 }
160
161 @Override
162 public long getUnallocatedSpace() throws IOException {
163 return readDiskFreeSpaceEx().freeBytesAvailable();
164 }
165
166 @Override
167 public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {
168 if (type == null)
169 throw new NullPointerException();
170 return (V) null;
171 }
172
173 @Override
174 public Object getAttribute(String attribute) throws IOException {
175 // standard
176 if (attribute.equals("totalSpace"))
177 return getTotalSpace();
178 if (attribute.equals("usableSpace"))
179 return getUsableSpace();
180 if (attribute.equals("unallocatedSpace"))
181 return getUnallocatedSpace();
182 if (attribute.equals("bytesPerSector"))
183 return getBlockSize();
184 // windows specific for testing purposes
185 if (attribute.equals("volume:vsn"))
186 return volInfo.volumeSerialNumber();
187 if (attribute.equals("volume:isRemovable"))
188 return volType == DRIVE_REMOVABLE;
189 if (attribute.equals("volume:isCdrom"))
190 return volType == DRIVE_CDROM;
191 throw new UnsupportedOperationException("'" + attribute + "' not recognized");
192 }
193
194 @Override
195 public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {
196 if (type == null)
197 throw new NullPointerException();
198 if (type == BasicFileAttributeView.class || type == DosFileAttributeView.class)
199 return true;
200 if (type == AclFileAttributeView.class || type == FileOwnerAttributeView.class)
201 return ((volInfo.flags() & FILE_PERSISTENT_ACLS) != 0);
202 if (type == UserDefinedFileAttributeView.class)
203 return ((volInfo.flags() & FILE_NAMED_STREAMS) != 0);
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