| package org.eclipse.epsilon.eol.dom; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.epsilon.eol.exceptions.EolRuntimeException; |
| import org.eclipse.epsilon.eol.exceptions.models.EolNotInstantiableModelElementTypeException; |
| import org.eclipse.epsilon.eol.execute.context.IEolContext; |
| import org.eclipse.epsilon.eol.types.EolCollectionType; |
| import org.eclipse.epsilon.eol.types.EolMapType; |
| import org.eclipse.epsilon.eol.types.EolModelElementType; |
| import org.eclipse.epsilon.eol.types.EolPrimitiveType; |
| import org.eclipse.epsilon.eol.types.EolType; |
| |
| public abstract class TypeInitialiser extends Expression { |
| |
| protected Object initialiseType(EolType type, List<Expression> parameters, IEolContext context, boolean createIfNonPrimitive) throws EolRuntimeException { |
| |
| if (type instanceof EolPrimitiveType || type instanceof EolCollectionType || type instanceof EolMapType){ |
| return type.createInstance(); |
| } |
| else if (createIfNonPrimitive) { |
| |
| if (type instanceof EolModelElementType && !((EolModelElementType) type).isInstantiable()) { |
| EolModelElementType modelElementType = (EolModelElementType) type; |
| throw new EolNotInstantiableModelElementTypeException(modelElementType); |
| } |
| |
| if (!parameters.isEmpty()) { |
| ArrayList<Object> parameterValues = new ArrayList<Object>(); |
| for (Expression parameter : parameters) { |
| parameterValues.add(context.getExecutorFactory().execute(parameter, context)); |
| } |
| return type.createInstance(parameterValues); |
| } |
| else { |
| return type.createInstance(); |
| } |
| } |
| return null; |
| } |
| } |
