Example usage for org.apache.hadoop.fs.permission FsPermission toShort

Introduction

In this page you can find the example usage for org.apache.hadoop.fs.permission FsPermission toShort.

Prototype

public short toShort() 

Source Link

Document

Encode the object to a short.

Usage

From source file:TestFuseDFS.java

License:Apache License

/**
 * use shell to create a dir and then use filesys to see it exists.
 *///from  w  w  w.j  a va 2  s .c  om
public void testChmod() throws IOException, InterruptedException, Exception {
    try {
        // First create a new directory with mkdirs
        Path path = new Path("/foo");
        Runtime r = Runtime.getRuntime();
        String cmd = "mkdir -p " + mpoint + path.toString();
        Process p = r.exec(cmd);
        assertTrue(p.waitFor() == 0);

        // check it is there
        assertTrue(fileSys.getFileStatus(path).isDir());

        cmd = "chmod 777 " + mpoint + path.toString();
        p = r.exec(cmd);
        assertTrue(p.waitFor() == 0);

        FileStatus foo = fileSys.getFileStatus(path);
        FsPermission perm = foo.getPermission();
        assertTrue(perm.toShort() == 0777);

    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }
}

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From source file:alluxio.hadoop.AbstractFileSystem.java

License:Apache License

/**
 * Changes permission of a path./*from   ww  w .  j  av a  2  s  .c o m*/
 *
 * @param path path to set permission
 * @param permission permission set to path
 * @throws IOException if the path failed to be changed permission
 */
public void setPermission(Path path, FsPermission permission) throws IOException {
    LOG.info("setMode({},{})", path, permission.toString());
    AlluxioURI uri = new AlluxioURI(HadoopUtils.getPathWithoutScheme(path));
    SetAttributeOptions options = SetAttributeOptions.defaults().setMode(permission.toShort())
            .setRecursive(false);
    try {
        sFileSystem.setAttribute(uri, options);
    } catch (AlluxioException e) {
        throw new IOException(e);
    }
}

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From source file:com.bigstep.datalake.JsonUtil.java

License:Apache License

private static String toString(final FsPermission permission) {
    return String.format("%o", permission.toShort());
}

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From source file:com.cloudera.hadoop.hdfs.nfs.nfs4.handlers.ACCESSHandler.java

License:Apache License

@Override
protected ACCESSResponse doHandle(NFS4Handler server, Session session, ACCESSRequest request)
        throws NFS4Exception {
    if (session.getCurrentFileHandle() == null) {
        throw new NFS4Exception(NFS4ERR_NOFILEHANDLE);
    }/*from   www.  j  a v  a2 s .co  m*/
    CompoundRequest compoundRequest = session.getCompoundRequest();
    AuthenticatedCredentials creds = compoundRequest.getCredentials();
    Path path = server.getPath(session.getCurrentFileHandle());
    try {

        UserIDMapper mapper = UserIDMapper.get(session.getConfiguration());
        String user = mapper.getUserForUID(creds.getUID(), null);
        if (user == null) {
            throw new Exception("Could not map " + creds.getUID() + " to user");
        }
        String group = mapper.getGroupForGID(creds.getGID(), null);
        if (group == null) {
            throw new Exception("Could not map " + creds.getGID() + " to group");
        }

        FileSystem fs = session.getFileSystem();
        FileStatus fileStatus = fs.getFileStatus(path);
        FsPermission perms = fileStatus.getPermission();
        //FsAction action = perms.getUserAction(); // always comes back ALL??

        int permissions = perms.toShort();
        int saved = permissions;
        int rtn = setPerms(permissions, false);
        permissions = permissions >> 3;
        if (group.equals(fileStatus.getGroup())) {
            rtn = setPerms(permissions, true);
        }
        permissions = permissions >> 3;
        if (user.equals(fileStatus.getOwner())) {
            rtn = setPerms(permissions, true);
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Checking access for '" + user + "' and path " + path + " owned by '"
                    + fileStatus.getOwner() + "' permissions " + Integer.toOctalString(saved) + ", Returning "
                    + Integer.toHexString(rtn));
        }
        int access = rtn & request.getAccess();

        ACCESSResponse response = createResponse();
        response.setStatus(NFS4_OK);
        response.setAccess(access);
        response.setSupported(access);
        return response;
    } catch (Exception e) {
        throw new NFS4Exception(NFS4ERR_SERVERFAULT, e);
    }
}

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From source file:com.ngdata.sep.impl.SepConsumerIT.java

License:Apache License

static String getDefaultUmask() throws IOException {
    // Hack to get around the test DFS cluster only wanting to start up if the
    // umask is set to the expected value (i.e. 022)
    File tmpDir = Files.createTempDir();
    LocalFileSystem local = FileSystem.getLocal(new Configuration());
    FileStatus stat = local.getFileStatus(new Path(tmpDir.getAbsolutePath()));
    FsPermission permission = stat.getPermission();
    String permString = Integer.toString(permission.toShort(), 8);
    tmpDir.delete();/*w w w . jav a  2 s  .c o m*/
    return permString;
}

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From source file:com.pigai.hadoop.HttpFSFileSystem.java

License:Apache License

/**
 * Converts a <code>FsPermission</code> to a Unix octal representation.
 * /*from  w w w . j a  va2  s .c  o m*/
 * @param p
 *            the permission.
 * 
 * @return the Unix string symbolic reprentation.
 */
public static String permissionToString(FsPermission p) {
    return Integer.toString((p == null) ? DEFAULT_PERMISSION : p.toShort(), 8);
}

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From source file:com.quantcast.qfs.hadoop.Qfs.java

License:Apache License

@Override
public FSDataOutputStream createInternal(Path path, EnumSet<CreateFlag> createFlag,
        FsPermission absolutePermission, int bufferSize, short replication, long blockSize,
        Progressable progress, ChecksumOpt checksumOpt, boolean createParent) throws IOException {
    CreateFlag.validate(createFlag);/*ww w .  j a v a2  s.  co m*/
    checkPath(path);
    if (createParent) {
        mkdir(path.getParent(), absolutePermission, createParent);
    }
    return qfsImpl.create(getUriPath(path), replication, bufferSize, createFlag.contains(CreateFlag.OVERWRITE),
            absolutePermission.toShort(), createFlag.contains(CreateFlag.APPEND));
}

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From source file:com.quantcast.qfs.hadoop.Qfs.java

License:Apache License

@Override
public void mkdir(Path dir, FsPermission permission, boolean createParent)
        throws IOException, UnresolvedLinkException {
    checkPath(dir);//from  w  w  w .j av  a2  s.  c o m
    qfsImpl.retToIoException(createParent ? qfsImpl.mkdirs(getUriPath(dir), permission.toShort())
            : qfsImpl.mkdir(getUriPath(dir), permission.toShort()));
}

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From source file:com.quantcast.qfs.hadoop.QuantcastFileSystem.java

License:Apache License

public boolean mkdirs(Path path, FsPermission permission) throws IOException {
    return qfsImpl.mkdirs(makeAbsolute(path).toUri().getPath(), permission.toShort()) == 0;
}

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From source file:com.quantcast.qfs.hadoop.QuantcastFileSystem.java

License:Apache License

public FSDataOutputStream create(Path file, FsPermission permission, boolean overwrite, int bufferSize,
        short replication, long blockSize, Progressable progress) throws IOException {
    Path parent = file.getParent();
    if (parent != null && !mkdirs(parent)) {
        throw new IOException("Mkdirs failed to create " + parent);
    }//from   w w  w . j  a  va 2 s  .c o  m
    return qfsImpl.create(makeAbsolute(file).toUri().getPath(), replication, bufferSize, overwrite,
            permission.toShort());
}

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