Package org.apache.flink.client.deployment.application

Class JarManifestParser

java.lang.Object

org.apache.flink.client.deployment.application.JarManifestParser

public class JarManifestParser
extends Object

Utility that parses JAR manifest attributes.

Constructor Summary

Constructors

Constructor	Description
JarManifestParser()

Method Summary

Modifier and Type	Method	Description
static Optional<String>	findFirstManifestAttribute(File jarFile, String... attributes)	Returns the value of the first manifest attribute found in the provided JAR file.

Methods inherited from class java.lang.Object

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

Constructor Details

JarManifestParser

public JarManifestParser()

Method Details

findFirstManifestAttribute

public static Optional<String> findFirstManifestAttribute(File jarFile,
 String... attributes)
                                                   throws IOException

Returns the value of the first manifest attribute found in the provided JAR file.

Parameters:

jarFile - JAR file to parse

attributes - Attributes to check

Returns:

Optional holding value of first found attribute

Throws:

IOException - If there is an error accessing the JAR