Package it.eng.spagobi.engines.qbe.services.core.catalogue

Source Code of it.eng.spagobi.engines.qbe.services.core.catalogue.SaveAnalysisStateAction

/**
* 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.core.catalogue;

import it.eng.qbe.serializer.SerializationManager;
import it.eng.spago.base.SourceBean;
import it.eng.spago.error.EMFAbstractError;
import it.eng.spago.error.EMFErrorHandler;
import it.eng.spago.error.EMFErrorSeverity;
import it.eng.spagobi.commons.QbeEngineStaticVariables;
import it.eng.spagobi.engines.qbe.services.core.AbstractQbeEngineAction;
import it.eng.spagobi.engines.qbe.worksheet.WorkSheetDefinition;
import it.eng.spagobi.utilities.assertion.Assert;
import it.eng.spagobi.utilities.engines.EngineAnalysisMetadata;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceExceptionHandler;
import it.eng.spagobi.utilities.service.JSONSuccess;

import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;

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

/**
* This action is responsible to persist the queries contained into the catalogue
*/
public class SaveAnalysisStateAction extends AbstractQbeEngineAction {
 
  private static final long serialVersionUID = -2692347943059370260L;
  public static final String SERVICE_NAME = "SAVE_ANALYSIS_STATE_ACTION";
  public String getActionName(){return SERVICE_NAME;}
 
  //

  /** Logger component. */
    public static transient Logger logger = Logger.getLogger(SaveAnalysisStateAction.class);
   
 
  public void service(SourceBean request, SourceBean response) {
   
    String queryName = null;   
    String  queryDescritpion  = null;   
    String  queryScope  = null;
    EngineAnalysisMetadata analysisMetadata = null;
   
    logger.debug("IN");
   
    try {
      super.service(request, response)
     
      // validate input that cames from the clien side according to rules spicified in validation.xml
      // todo: move this activity in the parent abstract class and hide input validation from actual
      // service implementation
      validateInput();
     
      queryName = getAttributeAsString(QbeEngineStaticVariables.CATALOGUE_NAME);   
      logger.debug(QbeEngineStaticVariables.CATALOGUE_NAME + ": " + queryName);
      queryDescritpion  = getAttributeAsString(QbeEngineStaticVariables.CATALOGUE_DESCRIPTION);
      logger.debug(QbeEngineStaticVariables.CATALOGUE_DESCRIPTION + ": " + queryDescritpion);
      queryScope  = getAttributeAsString(QbeEngineStaticVariables.CATALOGUE_SCOPE);
      logger.debug(QbeEngineStaticVariables.CATALOGUE_SCOPE + ": " + queryScope);
     
//      JSONObject workSheetDefinitionJSON = getAttributeAsJSONObject( QbeEngineStaticVariables.WORKSHEET_DEFINITION_LOWER );
//      logger.debug("Parameter [" + workSheetDefinitionJSON + "] is equals to [" + workSheetDefinitionJSON.toString() + "]");
//     
//      WorkSheetDefinition workSheetDefinition = (WorkSheetDefinition)SerializationManager.deserialize(workSheetDefinitionJSON, "application/json", WorkSheetDefinition.class);
//      getEngineInstance().setWorkSheetDefinition(workSheetDefinition);
     
      analysisMetadata = getEngineInstance().getAnalysisMetadata();
      analysisMetadata.setName( queryName );
      analysisMetadata.setDescription( queryDescritpion );
   
      if( EngineAnalysisMetadata.PUBLIC_SCOPE.equalsIgnoreCase( queryScope ) ) {
        analysisMetadata.setScope( EngineAnalysisMetadata.PUBLIC_SCOPE );
      } else if( EngineAnalysisMetadata.PRIVATE_SCOPE.equalsIgnoreCase( queryScope ) ) {
        analysisMetadata.setScope( EngineAnalysisMetadata.PRIVATE_SCOPE );
      } else {
        Assert.assertUnreachable("Value [" + queryScope + "] is not valid for the input parameter " + QbeEngineStaticVariables.CATALOGUE_SCOPE);
      }
     
      String result = saveAnalysisState();
      if(!result.trim().toLowerCase().startsWith("ok")) {
        throw new SpagoBIEngineServiceException(getActionName(), result);
      }
     
      try {
        String newSubobjectId = result.substring(5);
        JSONSuccess success = new JSONSuccess(newSubobjectId);
        writeBackToClient( success );
      } catch (IOException e) {
        String message = "Impossible to write back the responce to the client";
        throw new SpagoBIEngineServiceException(getActionName(), message, e);
      }
     
    } catch(Throwable t) {
      throw SpagoBIEngineServiceExceptionHandler.getInstance().getWrappedException(getActionName(), getEngineInstance(), t);
    } finally {
      logger.debug("OUT");
    }   
  }
 
  public void validateInput() {
    EMFErrorHandler errorHandler = getErrorHandler();
    if (!errorHandler.isOKBySeverity(EMFErrorSeverity.ERROR)) {
      Collection errors = errorHandler.getErrors();
      Iterator it = errors.iterator();
      while (it.hasNext()) {
        EMFAbstractError error = (EMFAbstractError) it.next();
        if (error.getSeverity().equals(EMFErrorSeverity.ERROR)) {
          throw new SpagoBIEngineServiceException(getActionName(), error.getMessage(), null);
        }
      }
    }
  }
}
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