Package it.eng.spagobi.engines.geo.service

Source Code of it.eng.spagobi.engines.geo.service.SetAnalysisStateAction

/**
* 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.geo.service;

import it.eng.spago.base.SourceBean;
import it.eng.spagobi.engines.geo.GeoEngineAnalysisState;
import it.eng.spagobi.engines.geo.GeoEngineConstants;
import it.eng.spagobi.engines.geo.GeoEngineException;
import it.eng.spagobi.engines.geo.map.utils.SVGMapConverter;
import it.eng.spagobi.utilities.assertion.Assert;
import it.eng.spagobi.utilities.callbacks.audit.AuditAccessUtils;
import it.eng.spagobi.utilities.engines.EngineConstants;
import it.eng.spagobi.utilities.engines.IEngineInstance;
import it.eng.spagobi.utilities.engines.SpagoBIEngineException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceExceptionHandler;
import it.eng.spagobi.utilities.json.JSONUtils;
import it.eng.spagobi.utilities.service.JSONAcknowledge;
import it.eng.spagobi.utilities.service.JSONSuccess;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletOutputStream;

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


// TODO: Auto-generated Javadoc
/**
* The Class MapDrawAction.
*/
public class SetAnalysisStateAction extends AbstractGeoEngineAction {
 
  // REQUEST PARAMETERS 
  public static final String ANALYSIS_STATE = "analysisState";
  public static final String HIERARCHY = "hierarchy";
  public static final String HIERARCHY_LEVEL = "level";
  public static final String MAP = "map";
  public static final String FEATURES = "features"

  // RESPONSE PARAMETERS
  // ...
 
  // DEFAULT VALUES
  //...
 
  // Logger component
    public static transient Logger logger = Logger.getLogger(SetAnalysisStateAction.class);

  public void service(SourceBean serviceRequest, SourceBean serviceResponse) {
    JSONObject analysisStateJSON = null;
    String selectedHierarchyName = null;
    String selectedLevelName = null;
    String selectedMapName = null;
    List selectedFeatureNames = null;
 
    logger.debug("IN");   
   
    try
   
      super.service(serviceRequest, serviceResponse);     
     
      analysisStateJSON = getAttributeAsJSONObject( ANALYSIS_STATE );   
      logger.debug("Parameter [" + ANALYSIS_STATE + "] is equal to [" + analysisStateJSON + "]");
     
      if(analysisStateJSON == null) {
        selectedHierarchyName = getAttributeAsString( HIERARCHY );   
        logger.debug("Parameter [" + HIERARCHY + "] is equal to [" + selectedHierarchyName + "]");
       
        selectedLevelName = getAttributeAsString( HIERARCHY_LEVEL );
        logger.debug("Parameter [" + HIERARCHY_LEVEL + "] is equal to [" + selectedLevelName + "]");
       
        selectedMapName = getAttributeAsString( MAP );
        logger.debug("Parameter [" + MAP + "] is equal to [" + selectedMapName + "]");
       
        selectedFeatureNames = getAttributeAsCsvStringList( FEATURES, "," );
        logger.debug("Parameter [" + FEATURES + "] is equal to [" + selectedFeatureNames + "]");
       
        analysisStateJSON = new JSONObject();
        analysisStateJSON.put(HIERARCHY, selectedHierarchyName);
        analysisStateJSON.put(HIERARCHY_LEVEL, selectedLevelName);
        analysisStateJSON.put(MAP, selectedMapName);
        analysisStateJSON.put(FEATURES, new JSONArray(selectedFeatureNames));
      }
     
     
     
      // all or nothings
      Assert.assertTrue(!analysisStateJSON.isNull(HIERARCHY), "Attribute [" + HIERARCHY + "] cannot be null");
      Assert.assertNotNull(!analysisStateJSON.isNull(HIERARCHY_LEVEL), "Attribute [" + HIERARCHY_LEVEL + "] cannot be null");
      Assert.assertNotNull(!analysisStateJSON.isNull(MAP), "Attribute [" + MAP + "] cannot be null");
      Assert.assertNotNull(!analysisStateJSON.isNull(FEATURES), "Attribute [" + FEATURES + "] cannot be null");
      Assert.assertTrue(analysisStateJSON.getJSONArray(FEATURES).length()  > 0, "At least one feature need to be selected");
      Assert.assertNotNull(getEngineInstance(), "It's not possible to execute " + this.getActionName() + " service before having properly created an instance of GeoInstance class");
     
     
      GeoEngineAnalysisState analysisState =  (GeoEngineAnalysisState)getGeoEngineInstance().getAnalysisState();;
      analysisState.setSelectedMapName( analysisStateJSON.getString(MAP) );
      analysisState.setSelectedHierarchyName( analysisStateJSON.getString(HIERARCHY) );
      analysisState.setSelectedLevelName( analysisStateJSON.getString(HIERARCHY_LEVEL) );
      analysisState.setSelectedLayers( JSONUtils.asList( analysisStateJSON.getJSONArray(FEATURES) ) );     
      getGeoEngineInstance().setAnalysisState( analysisState );
   
      try {
        writeBackToClient( new JSONAcknowledge() );
      } 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(), (IEngineInstance)getAttributeFromSession( EngineConstants.ENGINE_INSTANCE ), t);
    } finally {
      // no resources need to be released
   
   
    logger.debug("OUT");
  }
}
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