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ATG DUST is a framework for building JUnit tests for applications built on the ATG Dynamo platform. This framework allows one to quickly write test code that depends up Nucleus or ATG Repositories. By using this framework one can drastically cut down on development time. It takes only a few seconds to start up a test with a repository, but it may take multiple minutes to start up an application server. To get started with DUST, take a look at http://atgdust.sourceforge.net/first-test.html. This page will walk you through the process of running a basic test which starts Nucleus. After that, read the other getting started guides to describe how to create standalone Junit tests which can startup repositories and use the DynamoHttpServletResponse classes. For only ATG10 and tested.

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package com.mycompany;

import java.io.IOException;
import java.util.Properties;

import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;

import atg.nucleus.naming.ParameterName;
import atg.servlet.DynamoHttpServletRequest;
import atg.servlet.DynamoHttpServletResponse;
import atg.servlet.DynamoServlet;

public class SimpleDroplet extends DynamoServlet {
  /**
   * 
   */
  public static final String USERNAME = "username";
  String mUsername = null;
  String mUsernameFromInputStream = null;

  /**
   * Called to execute this droplet
   */
  @Override
  public void service(final DynamoHttpServletRequest request,
      final DynamoHttpServletResponse response) throws ServletException,
      IOException {
    logInfo("Starting: " + this.getClass().getName());
    request.serviceLocalParameter(ParameterName.getParameterName("output"), request, response);
    request.setParameter("entry", "The Value");
    response.getOutputStream().write("Some content from the simple droplet".getBytes());
    mUsername = request.getParameter(USERNAME);
    // try to read data from the client if it is available
    if ("POST".equals(request.getMethod())) {
      ServletInputStream s = request.getInputStream();
      Properties p = new Properties();
      p.load(s);
      mUsernameFromInputStream = p.getProperty(USERNAME);
    }
  }

  /**
   * Returns the value of the username parameter
   * 
   * @return
   */
  public String getUsername() {
    return mUsername;
  }

  /**
   * Returns the value of the username as written to the request input stream
   * 
   * @return
   */
  public String getUsernameFromInputStream() {
    return mUsernameFromInputStream;
  }
}