/**
?*?Licensed?to?the?Apache?Software?Foundation?（ASF）?under?one
?*?or?more?contributor?license?agreements.??See?the?NOTICE?file
?*?distributed?with?this?work?for?additional?information
?*?regarding?copyright?ownership.??The?ASF?licenses?this?file
?*?to?you?under?the?Apache?License?Version?2.0?（the
?*?“License“）;?you?may?not?use?this?file?except?in?compliance
?*?with?the?License.??You?may?obtain?a?copy?of?the?License?at
?*
?*?????http://www.apache.org/licenses/LICENSE-2.0
?*
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*/

package?org.apache.zookeeper.util;

import?java.io.BufferedReader;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.lang.reflect.InvocationTargetException;
import?java.lang.reflect.Method;
import?java.util.ArrayList;
import?java.util.HashMap;

/**
?*?This?is?a?generic?Main?class?that?is?completely?driven?by?the
?*?/mainClasses?resource?on?the?class?path.?This?resource?has?the
?*?format:
?*?

?*?cmd:mainClass:Description
?*?

?*?Any?lines?starting?with?#?will?be?skipped
?*
?*/
public?class?FatJarMain?{
????static?class?Cmd?{
????????Cmd（String?cmd?String?clazz?String?desc）?{
????????????this.cmd?=?cmd;
????????????this.clazz?=?clazz;
????????????this.desc?=?desc;
????????}
????????String?cmd;
????????String?clazz;
????????String?desc;
????}
????static?HashMap?cmds?=?new?HashMap（）;
????static?ArrayList?order?=?new?ArrayList（）;
????
????/**
?????*?@param?args?the?first?parameter?of?args?will?be?used?as?an
?????*?index?into?the?/mainClasses?resource.?The?rest?will?be?passed
?????*?to?the?mainClass?to?run.
?????*?@throws?IOException?
?????*?@throws?ClassNotFoundException?
?????*?@throws?NoSuchMethodException?
?????*?@throws?SecurityException?
?????*?@throws?IllegalAccessException?
?????*?@throws?IllegalArgumentException?
?????*/
????public?static?void?main（String[]?args）?throws?IOException?ClassNotFoundException?SecurityException?NoSuchMethodException?IllegalArgumentException?IllegalAccessException?{
????????InputStream?is?=?FatJarMain.class.getResourceAsStream（“/mainClasses“）;
????????if?（is?==?null）?{
????????????System.err.println（“Couldn‘t?find?/mainClasses?in?classpath.“）;
????????????System.exit（3）;
????????}
????????BufferedReader?br?=?new?BufferedReader（new?InputStreamReader（is））;
????????String?line;
????????while（（line?=?br.readLine（））?!=?null）?{
????????????String?parts[]?=?line.split（“:“?3）;
????????????if?（parts.length?!=?3?||?（parts[0].length（）?>?0?&&?parts[0].charAt（0）?==?‘#‘））?{
????????????????continue;
????????????}
????????????if?（parts[0].length（）?>?0）?{
????????????????cmds.put（parts[0]?new?Cmd（parts[0]?parts[1]?parts[2]））;
?