Tom White's book "Hadoop: The Definitive Guide" has a neat little section about this in Chapter 3. Look at the FsUrlStreamHandlerFactory class (http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/fs/FsUrlStreamHandlerFactory.html)
Once registered into Java's net.URL, you should be able to use most regular Java classes as long as you provide "hdfs" as the scheme (and that the FileSystem instance knows what to use for it). 2011/5/9 ltomuno <ltom...@163.com>: > using java > new File("/tmp/common") > but > /tmp/common is a HDFS file > how to implement this feature? > thanks > > > -- Harsh J