Mininimal example of setup for writing Grinder test scripts in Java

grinder.properties

java_test_runner = my.java.package.MyTestRunner

grinder.script = grinder.py
grinder.runs = 10
grinder.threads = 2
# etc

grinder.py

from net.grinder.plugin.http import HTTPRequest
from net.grinder.script.Grinder import grinder

def load_class(class_name):
    m = __import__(class_name)
    for comp in class_name.split('.')[1:]:
        m = getattr(m, comp)
    return m

test_runner = load_class(grinder.getProperties().getProperty('java_test_runner'))

class TestRunner:

    def __init__(self):
        self.runner = test_runner(HTTPRequest())

    def __call__(self):
        self.runner.call()

MyTestRunner.java

package my.java.package;

import net.grinder.plugin.http.HTTPRequest;
import net.grinder.script.NotWrappableTypeException;
import net.grinder.script.Test;

public class MyTestRunner {

    private HTTPRequest test;

    public JavaTestRunner(HTTPRequest req) throws NotWrappableTypeException {
        this.test = (HTTPRequest) new Test(100, "http test").wrap(req);
    }

    public void call() throws Exception {
        this.test.GET("http://google.com");
        this.test.GET("http://nytimes.com");
    }
}