Package it.eng.spagobi.engines.qbe.services.worksheet

Source Code of it.eng.spagobi.engines.qbe.services.worksheet.SetWorkSheetDefinitionAction

/**
* SpagoBI - The Business Intelligence Free Platform
*
* Copyright (C) 2004 - 2008 Engineering Ingegneria Informatica S.p.A.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.

* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*
**/
package it.eng.spagobi.engines.qbe.services.worksheet;

import it.eng.qbe.serializer.SerializationManager;
import it.eng.spago.base.SourceBean;
import it.eng.spagobi.commons.QbeEngineStaticVariables;
import it.eng.spagobi.engines.qbe.FormState;
import it.eng.spagobi.engines.qbe.services.core.AbstractQbeEngineAction;
import it.eng.spagobi.engines.qbe.services.initializers.WorksheetEngineStartAction;
import it.eng.spagobi.engines.qbe.worksheet.WorkSheet;
import it.eng.spagobi.engines.qbe.worksheet.WorkSheetDefinition;
import it.eng.spagobi.utilities.assertion.Assert;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceExceptionHandler;
import it.eng.spagobi.utilities.service.JSONAcknowledge;
import java.io.IOException;
import java.util.List;

import org.apache.log4j.Logger;
import org.json.JSONObject;

/**
* @authors Alberto Ghedin (alberto.ghedin@eng.it)
*
*/
public class SetWorkSheetDefinitionAction extends AbstractQbeEngineAction {

  private static final long serialVersionUID = -7253525210753136929L;
  public static transient Logger logger = Logger.getLogger(SetWorkSheetDefinitionAction.class);
  public static final String FORM_STATE = "formState";
 
  /**
   * Get the definition of the worksheet from the request, serialize and save it into the qbe engine instance
   */
  public void service(SourceBean request, SourceBean response)  {       

    logger.debug("IN");
   
    super.service(request, response)
    try {
      //get the worksheet from the request
      JSONObject workSheetDefinitionJSON = getAttributeAsJSONObject(QbeEngineStaticVariables.WORKSHEET_DEFINITION_LOWER );
      Assert.assertNotNull(workSheetDefinitionJSON, "Parameter [" + QbeEngineStaticVariables.WORKSHEET_DEFINITION_LOWER + "] cannot be null in oder to execute " + this.getActionName() + " service");
      logger.debug("Parameter [" + workSheetDefinitionJSON + "] is equals to [" + workSheetDefinitionJSON.toString() + "]");

      //set the worksheet into the qbe instance
      WorkSheetDefinition workSheetDefinition = (WorkSheetDefinition)SerializationManager.deserialize(workSheetDefinitionJSON, "application/json", WorkSheetDefinition.class);
      List<WorkSheet> ws = workSheetDefinition.getWorkSheet();
      for(int i=0; i<ws.size();i++){
        WorksheetEngineStartAction.setImageWidth((ws.get(i)).getHeader());
        WorksheetEngineStartAction.setImageWidth((ws.get(i)).getFooter());
      }
     
      getEngineInstance().setWorkSheetDefinition(workSheetDefinition);
     
      try {
        JSONObject jsonEncodedFormState = getAttributeAsJSONObject(FORM_STATE);
       
        FormState formState = getEngineInstance().getFormState();
        if(formState==null){
          formState = new FormState();
          getEngineInstance().setFormState(formState);
        }
        formState.setFormStateValues(jsonEncodedFormState);
       

      } catch (Exception e) {
        logger.debug("No Form State defined");
      }

     
    } catch(Throwable t) {
      throw SpagoBIEngineServiceExceptionHandler.getInstance().getWrappedException(getActionName(), getEngineInstance(), t);
    } finally {
      logger.debug("OUT");
   
    try {
      writeBackToClient(new JSONAcknowledge())
    } catch (IOException e) {
      String message = "Impossible to write back the responce to the client";
      throw new SpagoBIEngineServiceException(getActionName(), message, e);
    }
  }
}
 
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