com.alipay.sofa.ark.tools

Class MainClassFinder

java.lang.Object

com.alipay.sofa.ark.tools.MainClassFinder

public class MainClassFinder
extends Object

Finds any class with a public static main method by performing a breadth first search.

Author:

Phillip Webb, Andy Wilkinson

Constructor Summary

Constructors

Constructor and Description
MainClassFinder()

Method Summary

Modifier and Type	Method and Description
static String	findSingleMainClass(JarFile jarFile, String classesLocation, String annotationName) Find a single main class in a given jar file.

Methods inherited from class java.lang.Object

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

Constructor Detail

MainClassFinder

public MainClassFinder()

Method Detail

findSingleMainClass

public static String findSingleMainClass(JarFile jarFile,
                                         String classesLocation,
                                         String annotationName)
                                  throws IOException

Find a single main class in a given jar file. A main class annotated with an annotation with the given annotationName will be preferred over a main class with no such annotation.

Parameters:

jarFile - the jar file to search

classesLocation - the location within the jar containing classes

annotationName - the name of the annotation that may be present on the main class

Returns:

the main class or null

Throws:

IOException - if the jar file cannot be read