ctf: add support for string2s in tmf

Change-Id: I40faac6cc2590480c061824beb952d6a19cb2f12
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>

Author: MatthewKhouzam

ctf/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/ctf/core/event/types/StringDefinition.java

@@ -26,6 +26,7 @@
  *
  * @author Matthew Khouzam
  * @author Simon Marchi
+ * @apiNote as it is too coupled to the StringDeclaration class. Use StringDefinition2
  */
 public final class StringDefinition extends Definition {
 

ctf/org.eclipse.tracecompass.tmf.ctf.core/src/org/eclipse/tracecompass/tmf/ctf/core/event/CtfTmfEventField.java

@@ -39,6 +39,7 @@
 import org.eclipse.tracecompass.ctf.core.event.types.IntegerDeclaration;
 import org.eclipse.tracecompass.ctf.core.event.types.IntegerDefinition;
 import org.eclipse.tracecompass.ctf.core.event.types.StringDefinition;
+import org.eclipse.tracecompass.ctf.core.event.types.StringDefinition2;
 import org.eclipse.tracecompass.ctf.core.event.types.VariantDefinition;
 import org.eclipse.tracecompass.internal.ctf.core.event.types.ByteArrayDefinition;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEventField;
@@ -120,6 +121,9 @@ protected CtfTmfEventField(@NonNull String name, Object value, ITmfEventField[]
         } else if (fieldDef instanceof StringDefinition) {
             field = new CTFStringField(fieldName, ((StringDefinition) fieldDef).getValue());
 
+        } else if (fieldDef instanceof StringDefinition2) {
+            field = new CTFStringField(fieldName, ((StringDefinition2) fieldDef).getValue());
+
         } else if (fieldDef instanceof FloatDefinition) {
             FloatDefinition floatDef = (FloatDefinition) fieldDef;
             field = new CTFFloatField(fieldName, floatDef.getValue());