coding a command that involves running a class with param

Question

I am coding this below functionality where I need to run a class which takes some parameters this will perform an action on the server that is given in the url ....

oracle.ucm.client.DownloadTool --ping --URL=abz.com --param1=abc --param=xyz

And this class is present in a jar which I have included in the build path.

Executing this manually through command line looks something like this:

bash$ java -classpath ".jar file location" abc.xyz.DownloadTool --ping --url=www.google.com --username=xyx --password=abc

Please let me know how to program this.

are you looking for something like this? https://stackoverflow.com/questions/367706/how-do-i-parse-command-line-arguments-in-java — Anurag Wagh, Jun 16 '20 at 05:35

score 0 · Answer 1 · answered Jun 16 '20 at 07:17

Convert your JAR file to executable. Executable name can be "ucmclient". Ref: https://coderwall.com/p/ssuaxa/how-to-make-a-jar-file-linux-executable

ucmclient oracle.ucm.client.DownloadTool --ping --URL=abz.com --param1=abc --param=xyz

In your main class:

Retrieve class name from command line arguments:

String className = args[0];

Create object of class using class name, You can use any of below option:

Use switch case

    switch(className)
    {
        case "oracle.ucm.client.DownloadTool" 
            oracle.ucm.client.DownloadTool downloadTool = new oracle.ucm.client.DownloadTool();
            downloadTool.main(args);
    }

You can use Reflection.
You can also use factory design pattern.

yes it worked thank you...had to pass the arguments to the main directly — Shashi Kempwodeyar, Jun 19 '20 at 09:47

coding a command that involves running a class with param

1 Answers1