Example usage for org.apache.hadoop.fs FileContext setPermission

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FileContext setPermission.

Prototype

public void setPermission(final Path f, final FsPermission permission)
        throws AccessControlException, FileNotFoundException, UnsupportedFileSystemException, IOException 

Source Link

Document

Set permission of a path.

Usage

From source file:com.ikanow.aleph2.core.shared.utils.DirUtils.java

License:Apache License

/** Creates a directory in the storage servce
 * @param fileContext//from   www  .j  ava 2  s  . c o m
 * @param pathString
 */
public static void createDirectory(FileContext fileContext, String pathString) {
    if (fileContext != null && pathString != null) {
        try {
            Path dir = new Path(pathString);
            if (!fileContext.util().exists(dir)) {
                fileContext.mkdir(dir, DEFAULT_DIR_PERMS, true); //(note perm is & with umask)
                try {
                    fileContext.setPermission(dir, DEFAULT_DIR_PERMS);
                } catch (Exception e) {
                } // (not supported in all FS)
            }
        } catch (Exception e) {
            logger.error("createFolderStructure Caught Exception", e);
        }
    }

}

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From source file:com.ikanow.aleph2.management_db.services.DataBucketCrudService.java

License:Apache License

/** Create the different default files needed by the bucket in the distributed file system
 * @param bucket//from  w w w  .  j  av  a 2 s. co m
 * @param storage_service
 * @throws Exception
 */
public static void createFilePaths(final DataBucketBean bucket, final IStorageService storage_service)
        throws Exception {
    final FileContext dfs = storage_service.getUnderlyingPlatformDriver(FileContext.class, Optional.empty())
            .get();

    final String bucket_root = storage_service.getBucketRootPath() + "/" + bucket.full_name();

    // Check if a "delete touch file is present, bail if so"
    if (doesBucketPathExist(bucket, storage_service, Optional.of(DELETE_TOUCH_FILE))) {
        throw new RuntimeException(
                ErrorUtils.get(ManagementDbErrorUtils.DELETE_TOUCH_FILE_PRESENT, bucket.full_name()));
    }

    Arrays.asList("", "logs", "logs/harvest", "logs/enrichment", "logs/storage", "assets", "import",
            "import/temp", "import/temp/upload", "import/transient", "import/stored", "import/stored/raw",
            "import/stored/json", "import/stored/processed", "import/ready").stream()
            .map(s -> new Path(bucket_root + IStorageService.BUCKET_SUFFIX + s))
            .forEach(Lambdas.wrap_consumer_u(p -> {
                dfs.mkdir(p, DEFAULT_DIR_PERMS, true); //(note perm is & with umask)
                try {
                    dfs.setPermission(p, DEFAULT_DIR_PERMS);
                } catch (Exception e) {
                } // (not supported in all FS)
            }));
}

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