-package org.simantics.spreadsheet.graph;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.databoard.binding.error.BindingConstructionException;\r
-import org.simantics.databoard.binding.mutable.Variant;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.request.VariableRead;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.slf4j.Logger;\r
-import org.slf4j.LoggerFactory;\r
-\r
-public class CellValue extends VariableRead<Object> {\r
-\r
- private static final Logger LOGGER = LoggerFactory.getLogger(CellValue.class);\r
-\r
- public CellValue(Variable variable) {\r
- super(variable);\r
- }\r
-\r
- @Override\r
- public Object perform(ReadGraph graph) throws DatabaseException {\r
- \r
- Object value = variable.getValue(graph);\r
- String propertyName = variable.getName(graph);\r
- \r
- if("content".equals(propertyName)) {\r
- if(value == null) {\r
- return Variant.ofInstance("Null content: " + variable.getURI(graph));\r
- }\r
- if(value instanceof Variable) {\r
- Variable var = (Variable)value;\r
- \r
- Object value2 = var.getValue(graph);\r
- if(value2 instanceof Variant) {\r
- return value;\r
- } else {\r
- if(value2 == null) return Variant.ofInstance("Null value from " + var.getURI(graph));\r
- try {\r
- Binding binding = Bindings.getBinding( value2.getClass() );\r
- return new Variant(binding, value2);\r
- } catch (BindingConstructionException e) {\r
- String msg = "Unsupported content " + value2 + " from " + var.getURI(graph);\r
- LOGGER.error(msg, e);\r
- return Variant.ofInstance(msg);\r
- }\r
- }\r
- }\r
- if(!(value instanceof Variant)) {\r
- try {\r
- Binding binding = Bindings.getBinding( value.getClass() );\r
- return new Variant(binding, value);\r
- } catch (BindingConstructionException e) {\r
- String msg = "Unsupported content " + value + " at " + variable.getURI(graph);\r
- LOGGER.error(msg, e);\r
- return Variant.ofInstance(msg);\r
- }\r
- }\r
- }\r
-\r
- return value;\r
- \r
- }\r
- \r
+package org.simantics.spreadsheet.graph;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.error.BindingConstructionException;
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.VariableRead;
+import org.simantics.db.layer0.variable.Variable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CellValue extends VariableRead<Object> {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(CellValue.class);
+
+ public CellValue(Variable variable) {
+ super(variable);
+ }
+
+ @Override
+ public Object perform(ReadGraph graph) throws DatabaseException {
+
+ Object value = variable.getValue(graph);
+ String propertyName = variable.getName(graph);
+
+ if("content".equals(propertyName)) {
+ if(value == null) {
+ return Variant.ofInstance("Null content: " + variable.getURI(graph));
+ }
+ if(value instanceof Variable) {
+ Variable var = (Variable)value;
+
+ Object value2 = var.getValue(graph);
+ if(value2 instanceof Variant) {
+ return value;
+ } else {
+ if(value2 == null) return Variant.ofInstance("Null value from " + var.getURI(graph));
+ try {
+ Binding binding = Bindings.getBinding( value2.getClass() );
+ return new Variant(binding, value2);
+ } catch (BindingConstructionException e) {
+ String msg = "Unsupported content " + value2 + " from " + var.getURI(graph);
+ LOGGER.error(msg, e);
+ return Variant.ofInstance(msg);
+ }
+ }
+ }
+ if(!(value instanceof Variant)) {
+ try {
+ Binding binding = Bindings.getBinding( value.getClass() );
+ return new Variant(binding, value);
+ } catch (BindingConstructionException e) {
+ String msg = "Unsupported content " + value + " at " + variable.getURI(graph);
+ LOGGER.error(msg, e);
+ return Variant.ofInstance(msg);
+ }
+ }
+ }
+
+ return value;
+
+ }
+