Example usage for java.nio.file FileStore getUsableSpace

Introduction

In this page you can find the example usage for java.nio.file FileStore getUsableSpace.

Prototype

public abstract long getUsableSpace() throws IOException;

Source Link

Document

Returns the number of bytes available to this Java virtual machine on the file store.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {
    FileSystem fileSystem = FileSystems.getDefault();

    for (FileStore store : fileSystem.getFileStores()) {
        System.out.println(store.getUsableSpace());
    }/*from   w w w. j ava  2  s .  c  o  m*/
}

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From source file:Test.java

public static void main(String[] args) throws Exception {
    FileSystem fileSystem = FileSystems.getDefault();

    for (FileStore fileStore : fileSystem.getFileStores()) {
        long totalSpace = fileStore.getTotalSpace() / kiloByte;
        long usedSpace = (fileStore.getTotalSpace() - fileStore.getUnallocatedSpace()) / kiloByte;
        long usableSpace = fileStore.getUsableSpace() / kiloByte;
        String name = fileStore.name();
        String type = fileStore.type();
        boolean readOnly = fileStore.isReadOnly();
    }/*from   w w w  . j a  va2 s.com*/
}

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From source file:Main.java

public static void printDetails(FileStore store) {
    try {/*from  w ww.  ja va 2  s  .  c o m*/
        String desc = store.toString();
        String type = store.type();
        long totalSpace = store.getTotalSpace();
        long unallocatedSpace = store.getUnallocatedSpace();
        long availableSpace = store.getUsableSpace();
        System.out.println(desc + ", Total: " + totalSpace + ",  Unallocated: " + unallocatedSpace
                + ",  Available: " + availableSpace);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:com.commander4j.util.JUtility.java

public static String diskFree() {
    String result = "";
    long free = 0;
    File f = new File(System.getProperty("user.dir"));
    String root = "";

    while (f.getParent() != null) {
        root = f.getParent();/* w  w  w. j  a va2  s  .co  m*/
        f = new File(root);
    }

    try {
        URI rootURI = new URI("file:///");
        Path rootPath = Paths.get(rootURI);
        Path dirPath = rootPath.resolve(root);
        FileStore dirFileStore = Files.getFileStore(dirPath);

        free = dirFileStore.getUsableSpace() / 1048576;
        result = String.valueOf(free) + " mb on " + root;

    } catch (Exception e) {
        result = "Error trying to determine free disk space " + e.getLocalizedMessage();
    }

    return result;
}

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From source file:com.ethercamp.harmony.service.BlockchainInfoService.java

/**
 * Get free space of disk where project located.
 * Verified on multi disk Windows./*  w ww .j  ava 2  s.  c  o m*/
 * Not tested against sym links
 */
private long getFreeDiskSpace() {
    final File currentDir = new File(".");
    for (Path root : FileSystems.getDefault().getRootDirectories()) {
        //            log.debug(root.toAbsolutePath() + " vs current " + currentDir.getAbsolutePath());
        try {
            final FileStore store = Files.getFileStore(root);

            final boolean isCurrentDirBelongsToRoot = Paths.get(currentDir.getAbsolutePath())
                    .startsWith(root.toAbsolutePath());
            if (isCurrentDirBelongsToRoot) {
                final long usableSpace = store.getUsableSpace();
                //                    log.debug("Disk available:" + readableFileSize(usableSpace)
                //                            + ", total:" + readableFileSize(store.getTotalSpace()));
                return usableSpace;
            }
        } catch (IOException e) {
            log.error("Problem querying space: " + e.toString());
        }
    }
    return 0;
}

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From source file:fr.ortolang.diffusion.store.binary.BinaryStoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<BinaryStoreContent> systemBrowse(String name, String prefix) throws BinaryStoreServiceException {
    if (name == null || name.length() == 0) {
        List<BinaryStoreContent> vinfos = new ArrayList<BinaryStoreContent>();
        List<String> vnames = new ArrayList<String>();
        vnames.addAll(BinaryStoreVolumeMapper.listVolumes());
        vnames.add(WORK);/* w  w w  . j a v a 2s  . co  m*/
        for (String vname : vnames) {
            try {
                BinaryStoreContent volume = new BinaryStoreContent();
                Path vpath = Paths.get(base.toString(), vname);
                FileStore vstore = Files.getFileStore(vpath);
                volume.setPath(vname);
                volume.setType(Type.VOLUME);
                volume.setFsName(vstore.name());
                volume.setFsType(vstore.type());
                volume.setFsTotalSize(vstore.getTotalSpace());
                volume.setFsFreeSize(vstore.getUsableSpace());
                volume.setSize(Files.size(vpath));
                volume.setLastModificationDate(Files.getLastModifiedTime(vpath).toMillis());
                vinfos.add(volume);
            } catch (IOException e) {
                LOGGER.log(Level.WARNING,
                        "Unable to retrieve binary store volume information for volume: " + vname);
            }
        }
        return vinfos;
    } else {
        try {
            if (prefix == null) {
                prefix = "";
            }
            Path vpath = Paths.get(base.toString(), name, prefix);
            if (!Files.exists(vpath)) {
                throw new BinaryStoreServiceException(
                        "volume name does not point to an existing file or a directory");
            }
            return Files.list(vpath).map(this::pathToContent).collect(Collectors.toList());
        } catch (IOException e) {
            throw new BinaryStoreServiceException(e);
        }
    }
}

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From source file:de.blizzy.backup.backup.BackupRun.java

private void checkDiskSpaceAndRemoveOldBackups() {
    try {//from   ww  w  .j  ava  2s.  co  m
        FileStore store = Files.getFileStore(new File(settings.getOutputFolder()).toPath());
        long total = store.getTotalSpace();
        if (total > 0) {
            for (;;) {
                long available = store.getUsableSpace();
                if (available <= 0) {
                    break;
                }

                double avail = available * 100d / total;
                if (avail >= (100d - settings.getMaxDiskFillRate())) {
                    break;
                }

                if (!removeOldestBackup()) {
                    break;
                }

                removeUnusedFiles();
            }
        }
    } catch (IOException e) {
        // ignore
    } catch (DataAccessException e) {
        BackupPlugin.getDefault().logError("error removing oldest backup", e); //$NON-NLS-1$
        fireBackupErrorOccurred(e, BackupErrorEvent.Severity.WARNING);
    }
}

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