[COMPRESS-137] TarArchiveEntry.getFile() always returns null + no way to get an InputStream from TarArchiveInputStream similar to what you do with (java.util.zip.ZipFile())..getInputStream(ZipEntry);

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Not A Problem
• Affects Version/s: 1.1
• Fix Version/s: 1.1
• Component/s: Compressors
• Labels: zip_through_XMLReader

Environment

$ uname -a
Linux Microknoppix 2.6.31.6 #4 SMP PREEMPT Tue Nov 10 19:11:11 CET 2009 i686 GNU/Linux

$ java -version
java version "1.6.0_16"
Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
Java HotSpot(TM) Client VM (build 14.2-b01, mixed mode, sharing)

$ echo $CLASSPATH
/media/sdb3/prjx/Java/JUtils:/media/sdb3/prjx/Java/JUtils/jars/commons-compress-1.1.jar:.

• Assignee: Torsten Curdt
• Reporter: Albretch Mueller
• Created: 27/Jun/11 17:01
• Updated: 25/Nov/11 14:49
• Resolved: 27/Jun/11 23:53

Description

~
this is a test run using httpd-2.2.19.tar[.gz,bz2] to show what I mean
~
lbrtchx
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
$ wget http://apache.cyberuse.com//httpd/httpd-2.2.19.tar.gz
-2011-06-27 11:21:46- http://apache.cyberuse.com//httpd/httpd-2.2.19.tar.gz
Resolving apache.cyberuse.com... 174.132.149.89
Connecting to apache.cyberuse.com|174.132.149.89|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 7113418 (6.8M) [application/x-gzip]
Saving to: `httpd-2.2.19.tar.gz'

100%[===...===>] 7,113,418 296K/s in 24s

2011-06-27 11:22:10 (285 KB/s) - `httpd-2.2.19.tar.gz' saved [7113418/7113418]

$ wget http://apache.cyberuse.com//httpd/httpd-2.2.19.tar.bz2
-2011-06-27 11:22:19- http://apache.cyberuse.com//httpd/httpd-2.2.19.tar.bz2
Resolving apache.cyberuse.com... 174.132.149.89
Connecting to apache.cyberuse.com|174.132.149.89|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5322082 (5.1M) [application/x-bzip2]
Saving to: `httpd-2.2.19.tar.bz2'

100%[===...===>] 5,322,082 256K/s in 25s

2011-06-27 11:22:44 (207 KB/s) - `httpd-2.2.19.tar.bz2' saved [5322082/5322082]

$ wget http://www.apache.org/dist/httpd/httpd-2.2.19.tar.gz.md5
-2011-06-27 11:22:51- http://www.apache.org/dist/httpd/httpd-2.2.19.tar.gz.md5
Resolving www.apache.org... 140.211.11.131
Connecting to www.apache.org|140.211.11.131|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 54 [text/plain]
Saving to: `httpd-2.2.19.tar.gz.md5'

100%[===...===>] 54 --.-K/s in 0s

2011-06-27 11:22:51 (4.23 MB/s) - `httpd-2.2.19.tar.gz.md5' saved [54/54]

$ wget http://www.apache.org/dist/httpd/httpd-2.2.19.tar.bz2.md5
-2011-06-27 11:23:02- http://www.apache.org/dist/httpd/httpd-2.2.19.tar.bz2.md5
Resolving www.apache.org... 140.211.11.131
Connecting to www.apache.org|140.211.11.131|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 55 [text/plain]
Saving to: `httpd-2.2.19.tar.bz2.md5'

100%[===...===>] 55 --.-K/s in 0s

2011-06-27 11:23:02 (4.91 MB/s) - `httpd-2.2.19.tar.bz2.md5' saved [55/55]

$ ls -l httpd-2.2.19.tar.*
rw-rr- 1 knoppix knoppix 5322082 May 21 18:58 httpd-2.2.19.tar.bz2
rw-rr- 1 knoppix knoppix 55 May 21 18:58 httpd-2.2.19.tar.bz2.md5
rw-rr- 1 knoppix knoppix 7113418 May 21 18:58 httpd-2.2.19.tar.gz
rw-rr- 1 knoppix knoppix 54 May 21 18:58 httpd-2.2.19.tar.gz.md5
$ md5sum -b httpd-2.2.19.tar.bz2
832f96a6ec4b8fc7cf49b9efd4e89060 *httpd-2.2.19.tar.bz2
$ md5sum -b httpd-2.2.19.tar.gz
e9f5453e1e4d7aeb0e7ec7184c6784b5 *httpd-2.2.19.tar.gz
$ cat *.md5
832f96a6ec4b8fc7cf49b9efd4e89060 *httpd-2.2.19.tar.bz2
e9f5453e1e4d7aeb0e7ec7184c6784b5 *httpd-2.2.19.tar.gz

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

/*
TarArchiveEntry.getFile() always returns null + no way to get an InputStream from TarArchiveInputStream similar to what you do with (java.util.zip.ZipFile())..getInputStream(ZipEntry);
*/

import org.apache.commons.compress.compressors.bzip2.*;
import org.apache.commons.compress.compressors.gzip.*;
import org.apache.commons.compress.archivers.tar.*;
import org.apache.commons.compress.utils.*;
import org.apache.commons.compress.archivers.*;

import java.io.*;
import java.util.*;
import java.text.*;

// __
public class TAR00Test{
// __
public static void main(String[] args){
// __
TarArchiveInputStream TArkIS = null;
TarArchiveEntry TArkEntry = null;

File TARFl, IFl, IDir = new File("/media/sda1/prjx/sw/text_synch/XML_Fls/test");
String[] aIFl = new String[]

{"httpd-2.2.19.tar.bz2", "httpd-2.2.19.tar.gz"}

;

String aFlPth;
// __
try{
for(int i = 0; (i < aIFl.length); ++i){
IFl = new File(IDir, aIFl[i]);
aFlPth = IFl.getCanonicalPath();
if(IFl.exists()){
aFlPth = aFlPth.toLowerCase();
// __
if(aFlPth.endsWith(".tar.bz2"))

{ TArkIS = new TarArchiveInputStream(new BZip2CompressorInputStream(new FileInputStream(IFl))); }

else if(aFlPth.endsWith(".tar.gz"))

{ TArkIS = new TarArchiveInputStream(new GzipCompressorInputStream(new FileInputStream(IFl))); }

else{} // ...
// __
TArkEntry = (TarArchiveEntry)TArkIS.getNextEntry();
while(TArkEntry != null){
if(!TArkEntry.isDirectory()){
System.err.println(TArkEntry);
// __ org/apache/commons/compress/archivers/tar/TarArchiveEntry.html
System.err.println("// __ getName: |" + TArkEntry.getName() + "|");
System.err.println("// __ getSize: |" + TArkEntry.getSize() + "|");
System.err.println("// __ getUserId: |" + TArkEntry.getUserId() + "|");
System.err.println("// __ GroupId: |" + TArkEntry.getGroupId() + "|");
System.err.println("// __ GroupName: |" + TArkEntry.getGroupName() + "|");
System.err.println("// __ LastModifiedDate: |" + TArkEntry.getLastModifiedDate() + "|");
System.err.println("// __ LinkName: |" + TArkEntry.getLinkName() + "|");
System.err.println("// __ Mode: |" + TArkEntry.getMode() + "|");
System.err.println("// __ ModTime: |" + TArkEntry.getModTime() + "|");
TARFl = TArkEntry.getFile();
System.err.println("// __ File: |" + TARFl + "|");

if(TARFl != null)

{ System.err.println("~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~ * ~"); }

else

{ System.err.println("~"); }

}
TArkEntry = (TarArchiveEntry)TArkIS.getNextEntry();
}
// __
TArkIS.close();
}// (IFl.exists())
else

{ System.err.println("// __ File not found! |" + aFlPth + "|"); }

}// i [0, aIFl.length)
}catch(FileNotFoundException FlNFX)

{ FlNFX.printStackTrace(System.err); }

catch(IOException IOX)

{ IOX.printStackTrace(System.err); }

}
}