ControllerJob.java :  » J2EE » Expresso » com » jcorporate » expresso » services » job » Java Open Source

Java Open Source » J2EE » Expresso 
Expresso » com » jcorporate » expresso » services » job » ControllerJob.java
/* ====================================================================
 * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
 *
 * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by Jcorporate Ltd.
 *        (http://www.jcorporate.com/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. "Jcorporate" and product names such as "Expresso" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written permission,
 *    please contact info@jcorporate.com.
 *
 * 5. Products derived from this software may not be called "Expresso",
 *    or other Jcorporate product names; nor may "Expresso" or other
 *    Jcorporate product names appear in their name, without prior
 *    written permission of Jcorporate Ltd.
 *
 * 6. No product derived from this software may compete in the same
 *    market space, i.e. framework, without prior written permission
 *    of Jcorporate Ltd. For written permission, please contact
 *    partners@jcorporate.com.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Jcorporate Ltd. Contributions back
 * to the project(s) are encouraged when you make modifications.
 * Please send them to support@jcorporate.com. For more information
 * on Jcorporate Ltd. and its products, please see
 * <http://www.jcorporate.com/>.
 *
 * Portions of this software are based upon other open source
 * products and are subject to their respective licenses.
 */

package com.jcorporate.expresso.services.job;

import com.jcorporate.expresso.core.controller.Controller;
import com.jcorporate.expresso.core.controller.ControllerRequest;
import com.jcorporate.expresso.core.controller.ControllerResponse;
import com.jcorporate.expresso.core.controller.Output;
import com.jcorporate.expresso.core.job.Job;
import com.jcorporate.expresso.core.job.ServerException;
import com.jcorporate.expresso.core.misc.ConfigManager;
import com.jcorporate.expresso.core.misc.StringUtil;

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;


/**
 * ControllerJob provides a Job "wrapper" for any Controller
 * object. It uses the parameters to the Job to invoke the
 * specified state of the controller, and includes the
 * controller's outputs in the email notification to the requestor
 *
 * @author Michael Nash
 */
public class ControllerJob
        extends Job {

    /**
     * REtrieve the job title
     *
     * @return java.lang.String
     */
    public String getTitle() {
        return "ControllerJob";
    } /* getTitle() */

    /**
     * Instantiate the specified Controller, transition to the appropriate state (if
     * given, else call newState("") to transition to default state) then send any
     * outputs generated in the "finish" email.
     */
    public void run() {
        super.run();
        try {
            StringBuffer mailMsg = new StringBuffer("");
            String controllerName = StringUtil.notNull(getJobParameter(Controller.CONTROLLER_PARAM_KEY));

            if (controllerName.equals("")) {
                throw new ServerException("Parameter 'controller' " +
                        "must be specified");
            }

            Controller myController = ConfigManager.getControllerFactory().getController(controllerName);
            ControllerRequest cparams = new ControllerRequest();

            // add all job params as controller params
            Hashtable names = getParameterNamesAndDescriptions();
            Hashtable namesValues = new Hashtable(names.size());
            for (Iterator iterator = names.keySet().iterator(); iterator.hasNext();) {
                String name = (String) iterator.next();
                namesValues.put(name, getJobParameter(name));
            }
            cparams.setParameters(namesValues);

            String newState = StringUtil.notNull(getJobParameter(Controller.STATE_PARAM_KEY));
            ControllerResponse myResponse = myController.newState(newState,
                    cparams);
            Output oneOutput = null;

            for (Enumeration ov = myResponse.getOutputs().elements();
                 ov.hasMoreElements();) {
                oneOutput = (Output) ov.nextElement();
                mailMsg.append("\n" + oneOutput.getContent());
            }

            finish(mailMsg.toString());
        } catch (Exception de) {
            log.error("Error handling job", de);
            finish(getString("Test_Job_Failed"), de);
        }
    } /* run() */

} /* ControllerJob */
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.