I would like to run my Java program on System Startup on Mac OS/Windows. How can I do this?
- by Misha Koshelev
Here is what I came up with. It works but I was wondering if there is something more elegant. Thank you!
Misha
package com.mksoft.fbbday;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
public class RunOnStartup {
public static void install(String className,boolean doInstall) throws IOException,URISyntaxException {
String osName=System.getProperty("os.name");
String fileSeparator=System.getProperty("file.separator");
String javaHome=System.getProperty("java.home");
String userHome=System.getProperty("user.home");
File jarFile=new File(RunOnStartup.class.getProtectionDomain().getCodeSource().getLocation().toURI());
if (osName.startsWith("Windows")) {
Process process=Runtime.getRuntime().exec("reg query \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\" /v Startup");
BufferedReader in=new BufferedReader(new InputStreamReader(process.getInputStream()));
String result="",line;
while ((line=in.readLine())!=null) {
result+=line;
}
in.close();
result=result.replaceAll(".*REG_SZ[ ]*","");
File startupFile=new File(result+fileSeparator+jarFile.getName().replaceFirst(".jar",".bat"));
if (doInstall) {
PrintWriter out=new PrintWriter(new FileWriter(startupFile));
out.println("@echo off");
out.println("start /min \"\" \""+javaHome+fileSeparator+"bin"+fileSeparator+"java.exe -cp "+jarFile+" "+className+"\"");
out.close();
} else {
if (startupFile.exists()) {
startupFile.delete();
}
}
} else if (osName.startsWith("Mac OS")) {
File startupFile=new File(userHome+"/Library/LaunchAgents/com.mksoft."+jarFile.getName().replaceFirst(".jar",".plist"));
if (doInstall) {
PrintWriter out=new PrintWriter(new FileWriter(startupFile));
out.println("");
out.println("");
out.println("");
out.println("");
out.println(" Label");
out.println(" com.mksoft."+jarFile.getName().replaceFirst(".jar","")+"");
out.println(" ProgramArguments");
out.println(" ");
out.println(" "+javaHome+fileSeparator+"bin"+fileSeparator+"java");
out.println(" -cp");
out.println(" "+jarFile+"");
out.println(" "+className+"");
out.println(" ");
out.println(" RunAtLoad");
out.println(" ");
out.println("");
out.println("");
out.close();
} else {
if (startupFile.exists()) {
startupFile.delete();
}
}
}
}
}
