SWITCHYARD-2972 - removing validation error for rest bindings

eclipse/plugins/org.switchyard.tools.ui/src/org/switchyard/tools/ui/validation/ServiceWiringConstraints.java

@@ -37,6 +37,7 @@
 import org.switchyard.ExchangePattern;
 import org.switchyard.metadata.ServiceInterface;
 import org.switchyard.metadata.ServiceOperation;
+import org.switchyard.tools.models.switchyard1_0.resteasy.RESTBindingType;
 import org.switchyard.tools.models.switchyard1_0.switchyard.StaticOperationSelectorType;
 import org.switchyard.transform.TransformSequence;
 
@@ -147,20 +148,23 @@ private IStatus validateBindingOperationSelection(IValidationContext ctx, Contra
                 // reference binding - FUSETOOLS-1927
                 boolean isSCABinding = binding instanceof SCABinding;
 
+                // is handled differently and the NoBindingOperationSelected error is invalid.
+                boolean isRestBinding = binding instanceof RESTBindingType;
+
                 if (binding.getOperationSelector() != null 
                         && binding.getOperationSelector() instanceof StaticOperationSelectorType) {
                     StaticOperationSelectorType staticOpSelector = 
                             (StaticOperationSelectorType) binding.getOperationSelector();
 
                     // if it already specifies which one, then we're good to go, otherwise...
-                    if (staticOpSelector.getOperationName() == null && hasMoreThanOneOperation) {
+                    if (staticOpSelector.getOperationName() == null && hasMoreThanOneOperation && !isRestBinding) {
                         // the user needs to specify the operation name when there is more than
                         // one operation in a Java interface
                         final ValidationProblem problem = ValidationProblem.NoBindingOperationSelected;
                         return ConstraintStatus.createStatus(ctx, contract, null, problem.getSeverity(), problem.ordinal(),
                                 problem.getMessage(), contract.getName(), binding.getName());
                     }
-                } else if (binding.getOperationSelector() == null && hasMoreThanOneOperation && !isSCABinding) {
+                } else if (binding.getOperationSelector() == null && hasMoreThanOneOperation && !isSCABinding && !isRestBinding) {
                     // if there is no operation selector specified and the interface specifies two or more operations, 
                     // and it's not an SCA binding, we have a problem (FUSETOOLS-1927)
                     final ValidationProblem problem = ValidationProblem.NoBindingOperationSelected;