26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 import java.nio.file.*;
33 import java.nio.file.attribute.*;
34 import java.io.IOException;
35
36 /**
37 * Example utility that works like the df(1M) program to print out disk space
38 * information
39 */
40
41 public class DiskUsage {
42
43 static final long K = 1024;
44
45 static void printFileStore(FileStore store) throws IOException {
46 FileStoreSpaceAttributes attrs = Attributes.readFileStoreSpaceAttributes(store);
47
48 long total = attrs.totalSpace() / K;
49 long used = (attrs.totalSpace() - attrs.unallocatedSpace()) / K;
50 long avail = attrs.usableSpace() / K;
51
52 String s = store.toString();
53 if (s.length() > 20) {
54 System.out.println(s);
55 s = "";
56 }
57 System.out.format("%-20s %12d %12d %12d\n", s, total, used, avail);
58 }
59
60 public static void main(String[] args) throws IOException {
61 System.out.format("%-20s %12s %12s %12s\n", "Filesystem", "kbytes", "used", "avail");
62 if (args.length == 0) {
63 FileSystem fs = FileSystems.getDefault();
64 for (FileStore store: fs.getFileStores()) {
65 printFileStore(store);
66 }
67 } else {
68 for (String file: args) {
69 FileStore store = Paths.get(file).getFileStore();
70 printFileStore(store);
71 }
72 }
73 }
74 }
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26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 import java.nio.file.*;
33 import java.nio.file.attribute.*;
34 import java.io.IOException;
35
36 /**
37 * Example utility that works like the df(1M) program to print out disk space
38 * information
39 */
40
41 public class DiskUsage {
42
43 static final long K = 1024;
44
45 static void printFileStore(FileStore store) throws IOException {
46 long total = store.getTotalSpace() / K;
47 long used = (store.getTotalSpace() - store.getUnallocatedSpace()) / K;
48 long avail = store.getUsableSpace() / K;
49
50 String s = store.toString();
51 if (s.length() > 20) {
52 System.out.println(s);
53 s = "";
54 }
55 System.out.format("%-20s %12d %12d %12d\n", s, total, used, avail);
56 }
57
58 public static void main(String[] args) throws IOException {
59 System.out.format("%-20s %12s %12s %12s\n", "Filesystem", "kbytes", "used", "avail");
60 if (args.length == 0) {
61 FileSystem fs = FileSystems.getDefault();
62 for (FileStore store: fs.getFileStores()) {
63 printFileStore(store);
64 }
65 } else {
66 for (String file: args) {
67 FileStore store = Files.getFileStore(Paths.get(file));
68 printFileStore(store);
69 }
70 }
71 }
72 }
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