org.apache.flink.runtime.util

Class JarFileCreator

java.lang.Object

org.apache.flink.runtime.util.JarFileCreator

public class JarFileCreator
extends Object

This is an auxiliary program which creates a jar file from a set of classes.

This class is thread-safe.

Constructor Summary

Constructors

Constructor and Description
JarFileCreator(File outputFile) Constructs a new jar file creator.

Method Summary

Modifier and Type	Method and Description
JarFileCreator	addClass(Class<?> clazz) Adds a Class object to the set of classes which shall eventually be included in the jar file.
JarFileCreator	addPackage(String p) Manually specify the package of the dependencies.
JarFileCreator	addPackages(String[] packages) Manually specify the packages of the dependencies.
void	createJarFile() Creates a jar file which contains the previously added class.

Methods inherited from class java.lang.Object

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

Constructor Detail

JarFileCreator

public JarFileCreator(File outputFile)

Constructs a new jar file creator.

Parameters:

outputFile - the file which shall contain the output data, i.e. the final jar file

Method Detail

addClass

public JarFileCreator addClass(Class<?> clazz)

Adds a Class object to the set of classes which shall eventually be included in the jar file.

Parameters:

clazz - the class to be added to the jar file.

addPackage

public JarFileCreator addPackage(String p)

Manually specify the package of the dependencies.

Parameters:

p - the package to be included.

addPackages

public JarFileCreator addPackages(String[] packages)

Manually specify the packages of the dependencies.

Parameters:

packages - the packages to be included.

createJarFile

public void createJarFile()
                   throws IOException

Creates a jar file which contains the previously added class. The content of the jar file is written to outputFile which has been provided to the constructor. If outputFile already exists, it is overwritten by this operation.

Throws:

IOException - thrown if an error occurs while writing to the output file