Package it.eng.spagobi.tools.datasource.presentation

Source Code of it.eng.spagobi.tools.datasource.presentation.DetailDataSourcePublisher

/**

SpagoBI - The Business Intelligence Free Platform

Copyright (C) 2005-2008 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.tools.datasource.presentation;

import it.eng.spago.base.RequestContainer;
import it.eng.spago.base.ResponseContainer;
import it.eng.spago.base.SourceBean;
import it.eng.spago.error.EMFErrorHandler;
import it.eng.spago.error.EMFErrorSeverity;
import it.eng.spago.error.EMFUserError;
import it.eng.spago.presentation.PublisherDispatcherIFace;
import it.eng.spagobi.commons.utilities.GeneralUtilities;

import org.apache.log4j.Logger;


/**
* Publishes the results of a detail request for a datasource into the correct
* jsp page according to what contained into request. If Any errors occurred during the
* execution of the <code>DetailDataSourceModule</code> class, the publisher
* is able to call the error page with the error message caught before and put into
* the error handler. If the input information don't fall into any of the cases declared,
* another error is generated.
*
*/
public class DetailDataSourcePublisher implements PublisherDispatcherIFace {
  static private Logger logger = Logger.getLogger(DetailDataSourcePublisher.class);
 
  /**
   * Given the request at input, gets the name of the reference publisher,driving
   * the execution into the correct jsp page, or jsp error page, if any error occurred.
   *
   * @param requestContainer The object containing all request information
   * @param responseContainer The object containing all response information
   *
   * @return A string representing the name of the correct publisher, which will
   * call the correct jsp reference.
   */
  public String getPublisherName(RequestContainer requestContainer, ResponseContainer responseContainer) {
    logger.debug("IN");

    EMFErrorHandler errorHandler = responseContainer.getErrorHandler();
   
    // get the module response
    SourceBean moduleResponse = (SourceBean)responseContainer.getServiceResponse().getAttribute("DetailDataSourceModule");
   
    // if the module response is null throws an error and return the name of the errors publisher
    if(moduleResponse==null) {
      logger.error("Module response null");
      EMFUserError error = new EMFUserError(EMFErrorSeverity.ERROR, 10 );
      errorHandler.addError(error);     
      return "error";
    }
   
    // if there are errors and they are only validation errors return the name for the detail publisher
    if(!errorHandler.isOK()) {
      if(GeneralUtilities.isErrorHandlerContainingOnlyValidationError(errorHandler)) {
        logger.info("Publish: detailDataSource"  );
        return "detailDataSource";
      }
    }
   
    // if there are some errors into the errorHandler (not validation errors), return the name for the errors publisher
    if(!errorHandler.isOKBySeverity(EMFErrorSeverity.ERROR)) {
      return new String("error");
    }

        Object loop = moduleResponse.getAttribute("loopback");
        if (loop != null) {
          logger.info("Publish: detailDataSourceLoop"  );
          logger.debug("OUT");
          return "detailDataSourceLoop";
    } else {
      logger.info("Publish: detailDataSource"  );
      logger.debug("OUT");
      return "detailDataSource";
    }
  }
}
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