Jetty example source code file (RunEmbedded.java)

This example Jetty source code file (RunEmbedded.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Jetty tags/keywords

bufferedreader, class, enter, exception, exception, file, fileserver, hashmap, io, object, object, reflection, runembedded, runembedded, string, string, util

The Jetty RunEmbedded.java source code

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
import java.util.HashMap;

import junit.framework.TestCase;

public class RunEmbedded
{
    private static HashMap argMap;
    
    private static String[] stringArrayType = new String[0];
    
    private BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    static 
    {
        argMap = new HashMap();
        argMap.put ("FileServer", new String[]{"port", "resourceBase"});
    }
    
    
    private String askWhichOneToRun()
    throws Exception
    {
        System.err.println("Embedded examples to choose from: ");
        File classesDir = new File ("./target/classes/org/mortbay/jetty/example");
        String[] classNames = classesDir.list();
        for (int i=0; i<classNames.length; i++)
        {
            String className = classNames[i].substring(0, classNames[i].length()-6);
            if (className.indexOf('$') < 0)
            {
                if (!className.equals("LikeJettyXml"))
                System.err.println("\t"+className);
            }
        }
        System.err.println("The example LikeJettyXml can only be run from $(jetty.home), so try it using your IDE instead.\n\n");
        System.err.print("Enter the name (case sensitive) > ");
        return reader.readLine();
    }
    
    public void testEmbedded ()
    throws Exception
    {
        String whichOneToRun = askWhichOneToRun();
        
        String className = "org.mortbay.jetty.example."+ whichOneToRun;
        
        Class clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
        Object o = clazz.newInstance();
        
        Method main = clazz.getMethod("main", new Class[]{stringArrayType.getClass()});
        
        String[] prompts = (String[])argMap.get(whichOneToRun);
        String[] args = new String[0];
        if (prompts != null)
        {
            args = new String[prompts.length];
            
            for (int i=0; i<prompts.length; i++)
            {
                System.err.print("Enter arg "+i+": "+prompts[i]+" > ");
                args[i]=reader.readLine();
            }
        }
        Object[] methodArgs = new Object[1];
        methodArgs[0]=args;
        main.invoke(null, methodArgs);
    }
    
    public static final void main (String[] args)
    {
        try
        {
        RunEmbedded runner = new RunEmbedded();
        runner.testEmbedded();
        }
        catch (Exception e)
        {
            e.printStackTrace();
            System.exit(2);
        }
    }
}