/*
* Copyright 2014, The Sporting Exchange Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.betfair.cougar.transformations.validators;
import java.util.HashSet;
import java.util.Set;
import org.w3c.dom.Node;
import com.betfair.cougar.codegen.ValidationException;
public class DataTypeValidator extends AbstractValidator{
private Set<String> namesUsed = new HashSet<String>();
@Override
public boolean nodeMustExist() {
return false;
}
@Override
public String getName() {
return "Data Type Validator";
}
@Override
public String getXPath() {
return "/interface/dataType";
}
@Override
public void validate(Node node) throws ValidationException {
// Check that the data type name starts with a upper case letter
String name = getAttribute(getName(), node, "name");
if (name == null || name.length() < 1) {
throw new ValidationException("Data types must have a name", node);
} else if (Character.isLowerCase(name.charAt(0))) {
throw new ValidationException("Data types must start with a capital letter", node);
} else if (namesUsed.contains(name)) {
throw new ValidationException("The data type " + name + " is already defined", node);
}
namesUsed.add(name);
}
}