/**
* 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;
import it.eng.qbe.query.Query;
import it.eng.qbe.query.serializer.SerializerFactory;
import it.eng.qbe.serializer.SerializationException;
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.utilities.StringUtilities;
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;
/**
* This action is responsible to Persist the current working query represented by
* the object ISingleDataMartWizardObject in session.
*/
public class SaveQueryAction extends AbstractQbeEngineAction {
// INPUT PARAMETERS
public static final String QUERY_NAME = "queryName";
public static final String QUERY_DESCRIPTION = "queryDescription";
public static final String QUERY_SCOPE = "queryScope";
public static final String QUERY = "query";
/** Logger component. */
public static transient Logger logger = Logger.getLogger(SaveQueryAction.class);
public void service(SourceBean request, SourceBean response) {
String queryName = null;
String queryDescritpion = null;
String queryScope = null;
String jsonEncodedQuery = null;
EngineAnalysisMetadata analysisMetadata = null;
String result = 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(QUERY_NAME);
logger.debug(QUERY_NAME + ": " + queryName);
queryDescritpion = getAttributeAsString(QUERY_DESCRIPTION);
logger.debug(QUERY_DESCRIPTION + ": " + queryDescritpion);
queryScope = getAttributeAsString(QUERY_SCOPE);
logger.debug(QUERY_SCOPE + ": " + queryScope);
jsonEncodedQuery = getAttributeAsString(QUERY);
logger.debug(QUERY + ": " + jsonEncodedQuery);
Assert.assertNotNull(getEngineInstance(), "It's not possible to execute " + this.getActionName() + " service before having properly created an instance of EngineInstance class");
Assert.assertTrue(!StringUtilities.isEmpty(queryName), "Input parameter [" + QUERY_NAME + "] cannot be null or empty in oder to execute " + this.getActionName() + " service");
Assert.assertTrue(!StringUtilities.isEmpty(queryDescritpion), "Input parameter [" + QUERY_DESCRIPTION + "] cannot be null or empty in oder to execute " + this.getActionName() + " service");
Assert.assertTrue(!StringUtilities.isEmpty(queryScope), "Input parameter [" + QUERY_SCOPE + "] cannot be null or empty in oder to execute " + this.getActionName() + " service");
Assert.assertTrue(!StringUtilities.isEmpty(jsonEncodedQuery), "Input parameter [" + QUERY + "] cannot be null or empty in oder to execute " + this.getActionName() + " service");
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 " + QUERY_SCOPE);
}
Query query = null;
try {
query = SerializerFactory.getDeserializer("application/json").deserializeQuery(jsonEncodedQuery, getEngineInstance().getDataSource());
//query = QueryEncoder.decode(queryRecords, queryFilters, queryFilterExp, getDatamartModel());
} catch (SerializationException e) {
String message = "Impossible to decode query string comming from client";
throw new SpagoBIEngineServiceException(getActionName(), message, e);
}
Query queryBkp = getEngineInstance().getActiveQuery();
query.setId( queryBkp.getId() );
getEngineInstance().setActiveQuery(query);
result = saveAnalysisState();
getEngineInstance().setActiveQuery(queryBkp);
if(!result.trim().toLowerCase().startsWith("ok")) {
throw new SpagoBIEngineServiceException(getActionName(), result);
}
try {
writeBackToClient( new JSONSuccess( result ) );
} 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);
}
}
}
}
}