/**
* 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.datamart;
import it.eng.qbe.model.structure.filter.IQbeTreeEntityFilter;
import it.eng.qbe.model.structure.filter.IQbeTreeFieldFilter;
import it.eng.qbe.model.structure.filter.QbeTreeAccessModalityEntityFilter;
import it.eng.qbe.model.structure.filter.QbeTreeAccessModalityFieldFilter;
import it.eng.qbe.model.structure.filter.QbeTreeFilter;
import it.eng.qbe.model.structure.filter.QbeTreeOrderEntityFilter;
import it.eng.qbe.model.structure.filter.QbeTreeOrderFieldFilter;
import it.eng.qbe.model.structure.filter.QbeTreeQueryEntityFilter;
import it.eng.qbe.query.Query;
import it.eng.spago.base.SourceBean;
import it.eng.spagobi.engines.qbe.services.core.AbstractQbeEngineAction;
import it.eng.spagobi.engines.qbe.tree.ExtJsQbeTreeBuilder;
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.JSONSuccess;
import java.io.IOException;
import java.util.Iterator;
import org.apache.log4j.Logger;
import org.json.JSONArray;
/**
*
* @author Andrea Gioia (andrea.gioia@eng.it)
*/
public class GetTreeAction extends AbstractQbeEngineAction {
// INPUT PARAMETERS
public static final String QUERY_ID = "parentQueryId";
public static final String DATAMART_NAME = "datamartName";
/** Logger component. */
public static transient Logger logger = Logger.getLogger(GetTreeAction.class);
public void service(SourceBean request, SourceBean response) {
String queryId = null;
String datamartName = null;
Query query = null;
IQbeTreeEntityFilter entityFilter = null;
IQbeTreeFieldFilter fieldFilter = null;
QbeTreeFilter treeFilter = null;
ExtJsQbeTreeBuilder qbeBuilder = null;
JSONArray nodes = null;
logger.debug("IN");
try {
super.service(request, response);
queryId = getAttributeAsString(QUERY_ID);
logger.debug("Parameter [" + QUERY_ID + "] is equals to [" + queryId + "]");
Assert.assertNotNull(getEngineInstance(), "It's not possible to execute " + this.getActionName() + " service before having properly created an instance of EngineInstance class");
logger.debug("Filtering entities list ...");
entityFilter = new QbeTreeAccessModalityEntityFilter();
logger.debug("Apply entity filter [" + entityFilter.getClass().getName() + "]");
if(queryId != null) {
logger.debug("Filtering on query [" + queryId + "] selectd entities");
query = getEngineInstance().getQueryCatalogue().getQuery(queryId);
if(query != null){
entityFilter = new QbeTreeQueryEntityFilter(entityFilter, query);
}
}
entityFilter = new QbeTreeOrderEntityFilter(entityFilter);
logger.debug("Apply field filter [" + entityFilter.getClass().getName() + "]");
logger.debug("Filtering fields list ...");
fieldFilter = new QbeTreeAccessModalityFieldFilter();
logger.debug("Apply field filter [" + fieldFilter.getClass().getName() + "]");
fieldFilter = new QbeTreeOrderFieldFilter(fieldFilter);
logger.debug("Apply field filter [" + fieldFilter.getClass().getName() + "]");
treeFilter = new QbeTreeFilter(entityFilter, fieldFilter);
qbeBuilder = new ExtJsQbeTreeBuilder(treeFilter);
datamartName = getAttributeAsString(DATAMART_NAME);
if (datamartName != null) {
nodes = qbeBuilder.getQbeTree(getDataSource(), getLocale(), datamartName);
} else {
Iterator<String> it = getDataSource().getModelStructure().getModelNames().iterator();
while (it.hasNext()) {
String modelName = it.next();
JSONArray temp = qbeBuilder.getQbeTree(getDataSource(), getLocale(), modelName);
for (int i = 0; i < temp.length(); i++) {
Object object = temp.get(i);
nodes.put(object);
}
}
/*
List<IDataSourceConfiguration> configurations = getEngineInstance().getDataSource().getConfiguration();
Iterator<IDataSourceConfiguration> it = configurations.iterator();
while (it.hasNext()) {
IDataSourceConfiguration configuration = it.next();
JSONArray temp = qbeBuilder.getQbeTree(getDataSource(), getLocale(), configuration.getModelName());
for (int i = 0; i < temp.length(); i++) {
Object object = temp.get(i);
nodes.put(object);
}
}
*/
}
try {
writeBackToClient( new JSONSuccess(nodes) );
} 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");
}
}
}