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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.plugin.util
import java.util.jar.JarFile
import java.util.zip.{ZipFile, ZipEntry}
import IO.using
import java.io.{Closeable, InputStream, File}
/**
* @author tonytv
*/
object JarFiles {
def withJarFile[T](file : File)(f : JarFile => T ) : T =
using(new JarFile(file) with Closeable, readOnly = true)(f)
def withInputStream[T](zipFile: ZipFile, zipEntry: ZipEntry)(f: InputStream => T): T =
using(zipFile.getInputStream(zipEntry), readOnly = true)(f)
def getManifest(jarFile : File) : Option[java.util.jar.Manifest] = {
withJarFile(jarFile) { jar =>
Option(jar.getManifest)
}
}
}
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