HADOOP-6714. Resolve compressed files using CodecFactory in FsShell::text. Contributed by Patrick Angeles

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@946976 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Christopher Douglas 2010-05-21 11:45:12 +00:00
parent f4998a7813
commit af3fef3463
2 changed files with 13 additions and 0 deletions

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@ -21,6 +21,9 @@ Trunk (unreleased changes)
HADOOP-6761. The Trash Emptier has the ability to run more frequently.
(Dmytro Molkov via dhruba)
HADOOP-6714. Resolve compressed files using CodecFactory in FsShell::text.
(Patrick Angeles via cdouglas)
BUG FIXES
HADOOP-6781. security audit log shouldn't have exception in it.

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@ -36,6 +36,8 @@ import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.SequenceFile;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.io.compress.CompressionCodecFactory;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.util.ReflectionUtils;
@ -402,6 +404,14 @@ public class FsShell extends Configured implements Tool {
private InputStream forMagic(Path p, FileSystem srcFs) throws IOException {
FSDataInputStream i = srcFs.open(p);
// check codecs
CompressionCodecFactory cf = new CompressionCodecFactory(getConf());
CompressionCodec codec = cf.getCodec(p);
if (codec != null) {
return codec.createInputStream(i);
}
switch(i.readShort()) {
case 0x1f8b: // RFC 1952
i.seek(0);