/**
* Determines if the given path is on a Hadoop under file system
*
* <p>To decide if a path should use the hadoop implementation, we check {@link
* String#startsWith(String)} to see if the configured schemas are found.
*
* @param path the path in under filesystem
* @return true if the given path is on a Hadoop under file system, false otherwise
*/
public static boolean isHadoopUnderFS(final String path) {
// TODO(hy): In Hadoop 2.x this can be replaced with the simpler call to
// FileSystem.getFileSystemClass() without any need for having users explicitly declare the file
// system schemes to treat as being HDFS. However as long as pre 2.x versions of Hadoop are
// supported this is not an option and we have to continue to use this method.
for (final String prefix : Configuration.getList(PropertyKey.UNDERFS_HDFS_PREFIXES, ",")) {
if (path.startsWith(prefix)) {
return true;
}
}
return false;
}
