/*

  * Copyright 2009 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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 org.kuali.student.contract.model.validation;

 import org.kuali.student.contract.model.ServiceContractModel;

 import org.kuali.student.contract.model.ServiceMethod;

 import org.kuali.student.contract.model.XmlType;

 import java.util.ArrayList;

 import java.util.Collection;

 /**

  * This validates a single serviceMethodinoary entry

  * @author nwright

  */

 public class ServiceContractModelValidator implements ModelValidator {

     private ServiceContractModel model;

     public ServiceContractModelValidator(ServiceContractModel model) {

         this.model = model;

     }

     private Collection errors;

     @Override

     public Collection<String> validate() {

         errors = new ArrayList();

         basicValidation();

         this.validateServiceMethods();

         validateXmlTypes();

         return errors;

     }

     private void validateServiceMethods() {

         for (ServiceMethod method : model.getServiceMethods()) {

             errors.addAll(new ServiceMethodValidator(method, model).validate());

         }

     }

     private void validateXmlTypes() {

         if (model.getXmlTypes().size() == 0) {

             addError("No xmlTypes found");

         }

         for (XmlType xmlType : model.getXmlTypes()) {

             XmlTypesValidator validator = new XmlTypesValidator(xmlType, model);

             errors.addAll(validator.validate());

         }

     }

     private void basicValidation() {

         if (model.getServiceMethods().size() == 0) {

             addError("no service methods have been defined");

         }

     }

     private void addError(String msg) {

         String error = "Error in service methods: " + msg;

         if (!errors.contains(error)) {

             errors.add(error);

         }

     }

 }