本文整理匯總了Java中org.apache.hadoop.util.Shell.getSetOwnerCommand方法的典型用法代碼示例。如果您正苦於以下問題：Java Shell.getSetOwnerCommand方法的具體用法？Java Shell.getSetOwnerCommand怎麽用？Java Shell.getSetOwnerCommand使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.util.Shell的用法示例。
在下文中一共展示了Shell.getSetOwnerCommand方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: setOwner
import org.apache.hadoop.util.Shell; //導入方法依賴的package包/類
/**
* Set the ownership on a file / directory. User name and group name
* cannot both be null.
* @param file the file to change
* @param username the new user owner name
* @param groupname the new group owner name
* @throws IOException
*/
public static void setOwner(File file, String username,
String groupname) throws IOException {
if (username == null && groupname == null) {
throw new IOException("username == null && groupname == null");
}
String arg = (username == null ? "" : username)
+ (groupname == null ? "" : ":" + groupname);
String [] cmd = Shell.getSetOwnerCommand(arg);
execCommand(file, cmd);
}