Package org.goobi.mq.processors

Source Code of org.goobi.mq.processors.FinaliseStepProcessor

/**
* This file is part of the Goobi Application - a Workflow tool for the support
* of mass digitization.
*
* Visit the websites for more information.
*         - http://www.goobi.org
*         - http://launchpad.net/goobi-production
*         - http://gdz.sub.uni-goettingen.de
*       - http://www.intranda.com
*       - http://digiverso.com
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*
* Linking this library statically or dynamically with other modules is making a
* combined work based on this library. Thus, the terms and conditions of the
* GNU General Public License cover the whole combination. As a special
* exception, the copyright holders of this library give you permission to link
* this library with independent modules to produce an executable, regardless of
* the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also
* meet, for each linked independent module, the terms and conditions of the
* license of that module. An independent module is a module which is not
* derived from or based on this library. If you modify this library, you may
* extend this exception to your version of the library, but you are not obliged
* to do so. If you do not wish to do so, delete this exception statement from
* your version.
*/

package org.goobi.mq.processors;

import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringEscapeUtils;
import org.goobi.mq.ActiveMQProcessor;
import org.goobi.mq.MapMessageObjectReader;
import org.goobi.production.properties.AccessCondition;
import org.goobi.production.properties.ProcessProperty;

import de.sub.goobi.config.ConfigMain;
import de.sub.goobi.forms.AktuelleSchritteForm;
import de.sub.goobi.persistence.SchrittDAO;

/**
* This is a web service interface to close steps. You have to provide the step
* id as “id”; you can add a field “message” which will be added to the wiki
* field.
*
* @author Matthias Ronge <matthias.ronge@zeutschel.de>
*/
public class FinaliseStepProcessor extends ActiveMQProcessor {

  /**
   * The default constructor looks up the queue name to use in
   * goobi_config.properties. If that is not configured and “null” is passed to
   * the super constructor, this will prevent
   * ActiveMQDirector.registerListeners() from starting this service.
   */
  public FinaliseStepProcessor() {
    super(ConfigMain.getParameter("activeMQ.finaliseStep.queue", null));
  }

  /**
   * This is the main routine processing incoming tickets. It gets an
   * AktuelleSchritteForm object, sets it to the appropriate step which is
   * retrieved from the database, appends the message − if any − to the wiki
   * field, and executes the form’s the step close function.
   *
   * @param ticket
   *            the incoming message
   *
   * @see org.goobi.mq.ActiveMQProcessor#process(org.goobi.mq.MapMessageObjectReader)
   */
  protected void process(MapMessageObjectReader ticket) throws Exception {
    AktuelleSchritteForm dialog = new AktuelleSchritteForm();
    Integer stepID = ticket.getMandatoryInteger("id");
    dialog.setMySchritt(new SchrittDAO().get(stepID));
    if (ticket.hasField("properties")) updateProperties(dialog, ticket.getMapOfStringToString("properties"));
    if (ticket.hasField("message")) addMessageToWikiField(dialog, ticket.getString("message"));
    dialog.SchrittDurchBenutzerAbschliessen();
  }

  /**
   * The method updateProperties() transfers the properties to set into
   * Goobi’s data model.
   *
   * @param dialog
   *            The AktuelleSchritteForm that we work with
   * @param propertiesToSet
   *            A Map with the properties to set
   */
  protected void updateProperties(AktuelleSchritteForm dialog, Map<String, String> propertiesToSet) {
    List<ProcessProperty> availableProperties = dialog.getProcessProperties();
    for (int position = 0; position < availableProperties.size(); position++) {
      ProcessProperty propertyAtPosition = availableProperties.get(position);
      String key = propertyAtPosition.getName();
      if (propertiesToSet.containsKey(key)) {
        String desiredValue = propertiesToSet.get(key);
        AccessCondition permissions = propertyAtPosition.getCurrentStepAccessCondition();
        if (AccessCondition.WRITE.equals(permissions) || AccessCondition.WRITEREQUIRED.equals(permissions)) {
          propertyAtPosition.setValue(desiredValue);
          if (dialog.getContainer() == null || dialog.getContainer() == 0) {
            dialog.setProcessProperty(propertyAtPosition);
          } else
            availableProperties.set(position, propertyAtPosition);
          dialog.saveCurrentProperty();
        }
      }
    }
  }

  /**
   * Inspects a list of ProcessProperty for a ProcessProperty with given name
   * and sufficient AccessCondition and sets it to newValue. This method is
   * separated because it has to be called for the AktuelleSchritteForm’s
   * containerlessProperties and each of the containers as well.
   *
   * @param propertyList
   *            List of ProcessProperty to inspect
   * @param key
   *            name value of the ProcessProperty to modify
   * @param newValue
   *            new value to set the ProcessProperty to
   */
  protected void setProperty(List<ProcessProperty> propertyList, String key, String newValue) {

  }

  /**
   * The addMessageToWikiField() method is a helper method which composes the
   * new wiki field using a StringBuilder. The message is encoded using HTML
   * entities to prevent certain characters from playing merry havoc when the
   * message box shall be rendered in a browser later.
   *
   * @param form
   *            the AktuelleSchritteForm which is the owner of the wiki field
   * @param message
   *            the message to append
   */
  protected void addMessageToWikiField(AktuelleSchritteForm form, String message) {
    StringBuilder composer = new StringBuilder();
    String wikiField = form.getWikiField();
    if (wikiField != null && wikiField.length() > 0) {
      composer.append(wikiField);
      composer.append("\r\n");
    }
    composer.append("<p>");
    composer.append(StringEscapeUtils.escapeHtml(message));
    composer.append("</p>");
    form.setWikiField(composer.toString());
    return;
  }

}
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