biz.chitec.quarterback.util
Class ManifestReader

java.lang.Object
  biz.chitec.quarterback.util.ManifestReader

public class ManifestReader

extends java.lang.Object

Access methods for JAR file manifests. This static class contains some methods to access the manifesto in the JAR file.

Version:

$Id: e749d2f821c6d0a9ec372f4ee51eb2d2407253d4 $

Author:

Dirk Hillbrecht 2000, chitec/Dirk Hillbrecht 2000. Distributed under the terms of the GNU LGPL.

Field Summary

private static java.lang.String

MANIFESTNAME

Constructor Summary

private

ManifestReader()

Method Summary

static byte[]	getMD5Digest(java.lang.String infile) returns a digest over the manifesto.
static EDate	getTimestamp(java.lang.String infile) returns timestamp entry.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MANIFESTNAME

private static final java.lang.String MANIFESTNAME

See Also:

Constant Field Values

Constructor Detail

ManifestReader

private ManifestReader()

Method Detail

getTimestamp

public static EDate getTimestamp(java.lang.String infile)
                          throws java.io.IOException

returns timestamp entry. The timestamp entry is a non-standard-extension which is available e.g. in the newer EBuS JAR files. It contains the date when the JAR was created.

Throws:

java.io.IOException

getMD5Digest

public static byte[] getMD5Digest(java.lang.String infile)
                           throws java.io.IOException

returns a digest over the manifesto. This digest can be used as fast-and-simple check whether the file has changed or not.

Throws:

java.io.IOException