package graphql.execution;

import graphql.Internal;

import graphql.language.ListType;

import graphql.language.NonNullType;

import graphql.language.Type;

import graphql.language.TypeName;

import graphql.schema.GraphQLList;

import graphql.schema.GraphQLNonNull;

import graphql.schema.GraphQLSchema;

import graphql.schema.GraphQLType;

@Internal

public class TypeFromAST {

public static GraphQLType getTypeFromAST(GraphQLSchema schema, Type type) {

GraphQLType innerType;

if (type instanceof ListType) {

innerType = getTypeFromAST(schema, ((ListType) type).getType());

return innerType != null ? new GraphQLList(innerType) : null;

} else if (type instanceof NonNullType) {

innerType = getTypeFromAST(schema, ((NonNullType) type).getType());

return innerType != null ? new GraphQLNonNull(innerType) : null;

}

return schema.getType(((TypeName) type).getName());

}

}