create fileinputstream for the nested jar files i.e jar inside jar

Asked Oct 22 '19 at 12:43

Active Oct 22 '19 at 13:30

Viewed 44 times

there is a nested jar in the jar, like this :

jar:file:/home/inct-venkates/work/workspace/WebGoat/webgoat-server/target/webgoat-server-v8.0.0-SNAPSHOT.jar!/BOOT-INF/lib/slf4j-api-1.7.25.jar!/

finally what I'm looking for is I need to create md5, sha1, sha256 for the nested jar file. please help me with this.

edited Oct 22 '19 at 13:30

Gergely Toth

asked Oct 22 '19 at 12:43

1

Welcome! What have you tried? – John Oct 22 '19 at 13:00
Hint: You don’t need a FileInputStream; you just need an InputStream. Also, see https://stackoverflow.com/questions/20389255/reading-a-resource-file-from-within-jar. – VGR Oct 22 '19 at 14:30
i tried new FileInputStream(new File(file)) ...but is is giving exception no such a file.. – venkateswararao yeluru Oct 23 '19 at 09:04
if i create just InputStream..i can't calculate the md5,sha1..so FileInputStream is requied. – venkateswararao yeluru Oct 23 '19 at 09:20

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