Updated Rules

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-expression-widget@114299 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnExpressionPanel.java

@@ -250,7 +250,7 @@ public class ColumnExpressionPanel extends FramedPanel {
 		conditionsField.add(conditionWidget);
 
 		btnApply = new TextButton("Save");
-		btnApply.setIcon(ExpressionResources.INSTANCE.rule());
+		btnApply.setIcon(ExpressionResources.INSTANCE.ruleColumnAdd());
 		btnApply.setIconAlign(IconAlign.RIGHT);
 		btnApply.setToolTip("Save rule");
 		btnApply.addSelectHandler(new SelectHandler() {

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/RuleDialog.java

@@ -69,7 +69,7 @@ public class RuleDialog extends Window implements
 		setClosable(true);
 		setModal(true);
 		forceLayoutOnResize = true;
-		getHeader().setIcon(ExpressionResources.INSTANCE.rule());
+		getHeader().setIcon(ExpressionResources.INSTANCE.ruleColumnAdd());
 
 	}
 

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/TemplateColumnExpressionDialog.java

@@ -88,7 +88,7 @@ public class TemplateColumnExpressionDialog extends Window implements
 		setClosable(true);
 		setModal(true);
 		forceLayoutOnResize = true;
-		getHeader().setIcon(ExpressionResources.INSTANCE.rule());
+		getHeader().setIcon(ExpressionResources.INSTANCE.ruleAdd());
 
 	}
 

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resources/ExpressionResources.java

@@ -30,7 +30,16 @@ public interface  ExpressionResources extends ClientBundle {
 		ImageResource close();
 		
 		@Source("rule-add.png")
-		ImageResource rule();
+		ImageResource ruleAdd();
+		
+		@Source("rule-add_32.png")
+		ImageResource ruleAdd32();
+		
+		@Source("rule-column-add.png")
+		ImageResource ruleColumnAdd();
+		
+		@Source("rule-column-add_32.png")
+		ImageResource ruleColumnAdd32();
 		
 		@Source("wrench-go.png")
 		ImageResource apply();

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/rpc/ExpressionService.java

@@ -6,12 +6,14 @@ package org.gcube.portlets.user.td.expressionwidget.client.rpc;
 import java.util.ArrayList;
 
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.AppliedRulesResponseData;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleDescriptionData;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleScopeType;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.ApplyColumnRulesSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.AddColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
 
 import com.google.gwt.user.client.rpc.RemoteService;
@@ -67,4 +69,8 @@ public interface ExpressionService extends RemoteService {
 	
 	public String startApplyColumnRules(ApplyColumnRulesSession ruleOnColumnApplySession)
 			throws TDGWTServiceException;
+	
+	public AppliedRulesResponseData getAppliedRulesByTabularResourceId(TRId trId)
+			throws TDGWTServiceException;
+	
 }

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/rpc/ExpressionServiceAsync.java

@@ -5,12 +5,14 @@ package org.gcube.portlets.user.td.expressionwidget.client.rpc;
 
 import java.util.ArrayList;
 
+import org.gcube.portlets.user.td.gwtservice.shared.rule.AppliedRulesResponseData;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.ApplyColumnRulesSession;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleDescriptionData;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleScopeType;
-import org.gcube.portlets.user.td.gwtservice.shared.rule.ApplyColumnRulesSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.AddColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
 
 import com.google.gwt.core.client.GWT;
@@ -56,4 +58,7 @@ public interface ExpressionServiceAsync {
 			ApplyColumnRulesSession ruleOnColumnApplySession,
 			AsyncCallback<String> callback);
 	
+	void getAppliedRulesByTabularResourceId(TRId trId,
+			AsyncCallback<AppliedRulesResponseData> callback);
+
 }

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java

@@ -19,14 +19,17 @@ import org.gcube.data.analysis.tabulardata.service.impl.TabularDataServiceFactor
 import org.gcube.data.analysis.tabulardata.service.rules.RuleId;
 import org.gcube.data.analysis.tabulardata.service.tabular.TabularResourceId;
 import org.gcube.portlets.user.td.expressionwidget.client.rpc.ExpressionService;
+import org.gcube.portlets.user.td.expressionwidget.server.service.rule.AppliedRulesResponseMap;
+import org.gcube.portlets.user.td.expressionwidget.server.service.rule.RuleColumnTypeMap;
+import org.gcube.portlets.user.td.expressionwidget.server.service.rule.RuleDescriptionMap;
+import org.gcube.portlets.user.td.expressionwidget.server.service.rule.RuleScopeMap;
 import org.gcube.portlets.user.td.expressionwidget.shared.exception.ExpressionParserException;
 import org.gcube.portlets.user.td.expressionwidget.shared.exception.ExpressionServiceException;
 import org.gcube.portlets.user.td.gwtservice.server.SessionUtil;
 import org.gcube.portlets.user.td.gwtservice.server.TDGWTServiceImpl;
 import org.gcube.portlets.user.td.gwtservice.server.trservice.ColumnDataTypeMap;
-import org.gcube.portlets.user.td.gwtservice.server.trservice.rule.RuleColumnTypeMap;
-import org.gcube.portlets.user.td.gwtservice.server.trservice.rule.RuleScopeMap;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.AppliedRulesResponseData;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleDescriptionData;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleScopeType;
 import org.gcube.portlets.user.td.gwtservice.shared.rule.ApplyColumnRulesSession;
@@ -273,7 +276,6 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 
 	}
 
-	
 	/**
 	 * 
 	 * {@inheritDoc}
@@ -308,7 +310,7 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 						ruleDescription.getOwner(),
 						RuleScopeMap.map(ruleDescription.getScope()),
 						tdRuleColumnType, cexp);
-				logger.info("Rule: "+ruleData);
+				logger.info("Rule: " + ruleData);
 				rulesDes.add(ruleData);
 
 			}
@@ -361,29 +363,20 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 
 			List<RuleDescription> rules = service
 					.getApplicableBaseColumnRules(dataType);
-			if(rules==null){
+			if (rules == null) {
 				logger.error("Invalid applicable base column rules from service: null");
-				throw new TDGWTServiceException("Error retrieving the rules: invalid applicable base column rules from service(null)");
+				throw new TDGWTServiceException(
+						"Error retrieving the rules: invalid applicable base column rules from service(null)");
 			} else {
-				logger.debug("Applicable Base Column Rules: "+rules.size());
+				logger.debug("Applicable Base Column Rules: " + rules.size());
 			}
 			ArrayList<RuleDescriptionData> rulesDes = new ArrayList<RuleDescriptionData>();
 
-			C_ExpressionParser parser = new C_ExpressionParser();
-
 			for (RuleDescription ruleDescription : rules) {
-				Expression serviceExpression = ruleDescription.getRule();
+				RuleDescriptionData ruleData = RuleDescriptionMap
-				C_Expression cexp = parser.parse(serviceExpression);
+						.map(ruleDescription);
-				TDRuleColumnType tdRuleColumnType = RuleColumnTypeMap
-						.map(ruleDescription.getRuleColumnType());
-				RuleDescriptionData ruleData = new RuleDescriptionData(
-						ruleDescription.getId(), ruleDescription.getName(),
-						ruleDescription.getDescription(),
-						ruleDescription.getOwner(),
-						RuleScopeMap.map(ruleDescription.getScope()),
-						tdRuleColumnType, cexp);
 				rulesDes.add(ruleData);
-				logger.info("Rule:"+ruleData);
+				logger.info("Rule:" + ruleData);
 
 			}
 
@@ -397,7 +390,8 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 			e.printStackTrace();
 			throw e;
 		} catch (Throwable e) {
-			logger.error("Error in getApplicableBaseColumnRules(): " + e.getLocalizedMessage());
+			logger.error("Error in getApplicableBaseColumnRules(): "
+					+ e.getLocalizedMessage());
 			e.printStackTrace();
 			throw new TDGWTServiceException("Error retrieving the rules: "
 					+ e.getLocalizedMessage());
@@ -406,9 +400,13 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 	}
 	
 	
-   
+	/**
-   	public ArrayList<RuleDescriptionData> getAppliedRulesByTabularResourceId(
+	 * 
-   			TRId trId) throws TDGWTServiceException {
+	 * {@inheritDoc}
+	 */
+	@Override
+	public AppliedRulesResponseData getAppliedRulesByTabularResourceId(TRId trId)
+			throws TDGWTServiceException {
 		try {
 			HttpSession session = this.getThreadLocalRequest().getSession();
 			ASLSession aslSession = SessionUtil.getAslSession(session);
@@ -418,53 +416,29 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 					aslSession.getUsername(), aslSession.getScope()));
 			TabularDataService service = TabularDataServiceFactory.getService();
 
-   			if (trId == null || trId.getId()==null || trId.getId().isEmpty()) {
+			if (trId == null || trId.getId() == null || trId.getId().isEmpty()) {
 				logger.error("Error in getAppliedRulesByTabularResourceId(): No valid tabular resource id!");
 				throw new TDGWTServiceException(
 						"Error in get applied rules: invalid tabular resource id!");
 			}
 
-   			TabularResourceId tabularResourceId=new TabularResourceId(Long.valueOf(trId.getId()));
+			TabularResourceId tabularResourceId = new TabularResourceId(
+					Long.valueOf(trId.getId()));
 
 			AppliedRulesResponse appliedRulesResponse = service
 					.getAppliedRulesByTabularResourceId(tabularResourceId);
-   			if(appliedRulesResponse==null){
+			if (appliedRulesResponse == null) {
 				logger.error("Invalid applied rules response from service: null");
-   				throw new TDGWTServiceException("Invalid applied rules response from service: null");
+				throw new TDGWTServiceException(
+						"Invalid applied rules response from service: null");
 			} else {
-   				logger.debug("Applied Rules Response: "+appliedRulesResponse);
+				logger.debug("Applied Rules Response: " + appliedRulesResponse);
 			}
 
-   			//List<RuleDescription> appliedRulesResponse.getTableRules();
+			AppliedRulesResponseData appliedRulesResponseData = AppliedRulesResponseMap
+					.map(appliedRulesResponse);
 
-   			
+			return appliedRulesResponseData;
-   			
-   			/*
-   			
-   			ArrayList<RuleDescriptionData> rulesDes = new ArrayList<RuleDescriptionData>();
-
-   			C_ExpressionParser parser = new C_ExpressionParser();
-
-   			for (RuleDescription ruleDescription : rules) {
-   				Expression serviceExpression = ruleDescription.getRule();
-   				C_Expression cexp = parser.parse(serviceExpression);
-   				TDRuleColumnType tdRuleColumnType = RuleColumnTypeMap
-   						.map(ruleDescription.getRuleColumnType());
-   				RuleDescriptionData ruleData = new RuleDescriptionData(
-   						ruleDescription.getId(), ruleDescription.getName(),
-   						ruleDescription.getDescription(),
-   						ruleDescription.getOwner(),
-   						RuleScopeMap.map(ruleDescription.getScope()),
-   						tdRuleColumnType, cexp);
-   				rulesDes.add(ruleData);
-   				logger.info("Rule:"+ruleData);
-
-   			}
-		
-   			return rulesDes;
-			*/
-   			
-   			return null;
 		} catch (TDGWTServiceException e) {
 			logger.error(e.getLocalizedMessage());
 			throw e;
@@ -473,16 +447,15 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 			e.printStackTrace();
 			throw e;
 		} catch (Throwable e) {
-   			logger.error("Error in getApplicableBaseColumnRules(): " + e.getLocalizedMessage());
+			logger.error("Error in getAppliedRulesByTabularResourceId(): "
+					+ e.getLocalizedMessage());
 			e.printStackTrace();
-   			throw new TDGWTServiceException("Error retrieving the rules: "
+			throw new TDGWTServiceException("Error retrieving applied rules: "
 					+ e.getLocalizedMessage());
 		}
 
 	}
 
-    
-
 	/**
 	 * 
 	 * {@inheritDoc}
@@ -514,9 +487,10 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 
 			RuleColumnType ruleColumnType = RuleColumnTypeMap
 					.map(ruleDescriptionData.getTdRuleColumnType());
-			if(ruleColumnType==null){
+			if (ruleColumnType == null) {
 				logger.debug("Error saving rule: rule column type is null!");
-				throw new TDGWTServiceException("Error saving rule: rule column type is null!");
+				throw new TDGWTServiceException(
+						"Error saving rule: rule column type is null!");
 			}
 
 			RuleId ruleId = service.saveColumnRule(
@@ -593,9 +567,6 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 
 	}
 
-	
-	
-
 	/**
 	 * 
 	 * {@inheritDoc}

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/service/rule/AppliedRulesResponseMap.java

@@ -0,0 +1,84 @@
+package org.gcube.portlets.user.td.expressionwidget.server.service.rule;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.data.analysis.tabulardata.commons.webservice.types.AppliedRulesResponse;
+import org.gcube.data.analysis.tabulardata.commons.webservice.types.RuleDescription;
+import org.gcube.portlets.user.td.expressionwidget.shared.exception.ExpressionParserException;
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.AppliedRulesResponseData;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleDescriptionData;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class AppliedRulesResponseMap {
+	private static Logger logger = LoggerFactory
+			.getLogger(AppliedRulesResponseMap.class);
+
+	public static AppliedRulesResponseData map(
+			AppliedRulesResponse appliedRulesResponse)
+			throws TDGWTServiceException, ExpressionParserException {
+		AppliedRulesResponseData appliedRulesResponseData = null;
+		if (appliedRulesResponse == null) {
+			logger.debug("Applied Rules: " + appliedRulesResponse);
+			throw new TDGWTServiceException("Applied Rules Response is null!");
+		}
+
+		ArrayList<RuleDescriptionData> tableRulesData = new ArrayList<RuleDescriptionData>();
+		List<RuleDescription> tableRules = appliedRulesResponse.getTableRules();
+		if (tableRules != null && tableRules.size() > 0) {
+			for (RuleDescription ruleDescription : tableRules) {
+				RuleDescriptionData ruleDescriptionData = RuleDescriptionMap
+						.map(ruleDescription);
+				if (ruleDescriptionData != null) {
+					tableRulesData.add(ruleDescriptionData);
+				} else {
+					logger.error("Invalid Rule Description(Rule is discarded): "
+							+ ruleDescription);
+
+				}
+
+			}
+		}
+
+		HashMap<String, ArrayList<RuleDescriptionData>> columnRuleMappingData = new HashMap<String, ArrayList<RuleDescriptionData>>();
+		Map<String, List<RuleDescription>> columnRuleMapping = appliedRulesResponse
+				.getColumnRuleMapping();
+		if (columnRuleMapping != null && columnRuleMapping.size() > 0) {
+			for (Map.Entry<String, List<RuleDescription>> entry : columnRuleMapping
+					.entrySet()) {
+				ArrayList<RuleDescriptionData> columnRules = new ArrayList<RuleDescriptionData>();
+				for (RuleDescription ruleDescription : entry.getValue()) {
+					RuleDescriptionData ruleDescriptionData = RuleDescriptionMap
+							.map(ruleDescription);
+					if (ruleDescriptionData != null) {
+						columnRules.add(ruleDescriptionData);
+					} else {
+						logger.error("Invalid Rule Description(Rule is discarded): "
+								+ ruleDescription);
+
+					}
+				}
+				columnRuleMappingData.put(entry.getKey(), columnRules);
+
+			}
+		}
+
+		appliedRulesResponseData = new AppliedRulesResponseData(tableRulesData,
+				columnRuleMappingData);
+
+		logger.debug("Applied Rules: " + appliedRulesResponseData);
+		return appliedRulesResponseData;
+
+	}
+
+}

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/service/rule/RuleColumnTypeMap.java

@@ -0,0 +1,95 @@
+package org.gcube.portlets.user.td.expressionwidget.server.service.rule;
+
+import org.gcube.data.analysis.tabulardata.commons.rules.types.BaseColumnRuleType;
+import org.gcube.data.analysis.tabulardata.commons.rules.types.DimensionColumnRuleType;
+import org.gcube.data.analysis.tabulardata.commons.rules.types.RuleColumnType;
+import org.gcube.data.analysis.tabulardata.commons.utils.DimensionReference;
+import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
+import org.gcube.data.analysis.tabulardata.model.table.TableId;
+import org.gcube.portlets.user.td.gwtservice.server.trservice.ColumnDataTypeMap;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.type.TDBaseColumnRuleType;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.type.TDDimensionColumnRuleType;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.type.TDRuleColumnType;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.DimensionReferenceData;
+
+/**
+ * 
+ * @author giancarlo
+ * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class RuleColumnTypeMap {
+	
+	public static RuleColumnType map(TDRuleColumnType tdRuleColumnType) {
+		if (tdRuleColumnType == null) {
+			return null;
+		}
+
+		if (tdRuleColumnType instanceof TDBaseColumnRuleType) {
+			TDBaseColumnRuleType tdBaseColumnRuleType = (TDBaseColumnRuleType) tdRuleColumnType;
+			BaseColumnRuleType baseColumnRuleType = new BaseColumnRuleType(
+					ColumnDataTypeMap.map(tdBaseColumnRuleType
+							.getColumnDataType()));
+			return baseColumnRuleType;
+
+		}
+
+		if (tdRuleColumnType instanceof TDDimensionColumnRuleType) {
+			TDDimensionColumnRuleType tdDimensionColumnRuleType = (TDDimensionColumnRuleType) tdRuleColumnType;
+
+			TableId tableId = new TableId(
+					Long.valueOf(tdDimensionColumnRuleType
+							.getDimensionReferenceData().getTableId()));
+			ColumnLocalId columnId = new ColumnLocalId(
+					tdDimensionColumnRuleType.getDimensionReferenceData()
+							.getColumnId());
+
+			DimensionReference dimensionReference = new DimensionReference(
+					tableId, columnId);
+
+			DimensionColumnRuleType dimensionColumnRuleType = new DimensionColumnRuleType(
+					dimensionReference);
+
+			return dimensionColumnRuleType;
+
+		}
+
+		return null;
+
+	}
+	
+	public static TDRuleColumnType map(RuleColumnType ruleColumnType) {
+		if (ruleColumnType == null) {
+			return null;
+		}
+
+		if (ruleColumnType instanceof BaseColumnRuleType) {
+			BaseColumnRuleType baseColumnRuleType = (BaseColumnRuleType) ruleColumnType;
+			TDBaseColumnRuleType tdBaseColumnRuleType = new TDBaseColumnRuleType(
+					ColumnDataTypeMap.map(baseColumnRuleType
+							.getInternalType()));
+			return tdBaseColumnRuleType;
+
+		}
+
+		if (ruleColumnType instanceof DimensionColumnRuleType) {
+			DimensionColumnRuleType dimensionColumnRuleType = (DimensionColumnRuleType) ruleColumnType;
+
+			DimensionReference dimensionReference=(DimensionReference)dimensionColumnRuleType.getInternalType();
+			
+			DimensionReferenceData dimensionReferenceData = new DimensionReferenceData(
+					String.valueOf(dimensionReference.getTableId().getValue()), dimensionReference.getColumnId().getValue());
+
+			TDDimensionColumnRuleType tdDimensionColumnRuleType = new TDDimensionColumnRuleType(
+					dimensionReferenceData);
+
+			return tdDimensionColumnRuleType;
+
+		}
+
+		return null;
+
+	}
+	
+	
+}

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/service/rule/RuleDescriptionMap.java

@@ -0,0 +1,86 @@
+package org.gcube.portlets.user.td.expressionwidget.server.service.rule;
+
+
+
+import org.gcube.data.analysis.tabulardata.commons.webservice.types.RuleDescription;
+import org.gcube.data.analysis.tabulardata.expression.Expression;
+import org.gcube.portlets.user.td.expressionwidget.server.C_ExpressionParser;
+import org.gcube.portlets.user.td.expressionwidget.shared.exception.ExpressionParserException;
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleDescriptionData;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.type.TDRuleColumnType;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.expression.C_Expression;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class RuleDescriptionMap {
+	private static Logger logger = LoggerFactory
+			.getLogger(RuleDescriptionMap.class);
+
+	
+	public static RuleDescriptionData map(RuleDescription ruleDescription) 
+	throws TDGWTServiceException, ExpressionParserException {
+		RuleDescriptionData ruleDescriptionData=null;
+		if(ruleDescription==null){
+			logger.error("Rule description is null");
+			throw new TDGWTServiceException("Rule description is null");
+			
+		}
+			
+		
+		if(ruleDescription.getScope()==null){
+			logger.error("Rule description has scope null");
+			throw new TDGWTServiceException("Rule description has scope null");
+		}
+		
+		
+		switch (ruleDescription.getScope()) {
+		case COLUMN:
+			ruleDescriptionData=createColumnRule(ruleDescription);
+			break;
+		case TABLE:
+			ruleDescriptionData=createTableRule(ruleDescription);
+			break;
+		default:
+			break;
+		}
+		
+		return ruleDescriptionData;
+		
+	}
+
+
+	private static RuleDescriptionData createTableRule(
+			RuleDescription ruleDescription) {
+		return null;
+	}
+
+
+	private static RuleDescriptionData createColumnRule(
+			RuleDescription ruleDescription) throws ExpressionParserException {
+		
+		Expression serviceExpression = ruleDescription.getRule();
+		
+		C_ExpressionParser parser = new C_ExpressionParser();
+		
+		C_Expression cexp = parser.parse(serviceExpression);
+		TDRuleColumnType tdRuleColumnType = RuleColumnTypeMap
+				.map(ruleDescription.getRuleColumnType());
+		RuleDescriptionData ruleData = new RuleDescriptionData(
+				ruleDescription.getId(), ruleDescription.getName(),
+				ruleDescription.getDescription(),
+				ruleDescription.getOwner(),
+				RuleScopeMap.map(ruleDescription.getScope()),
+				tdRuleColumnType, cexp);
+		
+		return ruleData;
+	}
+	
+}

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/service/rule/RuleScopeMap.java

@@ -0,0 +1,46 @@
+package org.gcube.portlets.user.td.expressionwidget.server.service.rule;
+
+import org.gcube.data.analysis.tabulardata.commons.rules.RuleScope;
+import org.gcube.portlets.user.td.gwtservice.shared.rule.RuleScopeType;
+
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class RuleScopeMap {
+	public static RuleScopeType map(RuleScope ruleScope) {
+		if(ruleScope==null){
+			return null;
+		}
+		
+		switch (ruleScope) {
+		case COLUMN:
+			return RuleScopeType.COLUMN;
+		case TABLE:
+			return RuleScopeType.TABLE;
+		default:
+			return null;
+		
+		}
+	}
+	
+	public static RuleScope map(RuleScopeType ruleScopeType) {
+		if(ruleScopeType==null){
+			return null;
+		}
+		
+		switch (ruleScopeType) {
+		case COLUMN:
+			return RuleScope.COLUMN;
+		case TABLE:
+			return RuleScope.TABLE;
+		default:
+			return null;
+		
+		}
+	}
+	
+}