/*

  * Copyright 2010 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 java.util.ArrayList;

 import java.util.Collection;

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

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

 import org.kuali.student.contract.model.util.ModelFinder;

 /**

  *

  * @author nwright

  */

 public class XmlTypesValidator implements ModelValidator {

     private ServiceContractModel model;

     private ModelFinder finder;

     private XmlType xmlType;

     public XmlTypesValidator(XmlType xmlType, ServiceContractModel model) {

         this.model = model;

         this.finder = new ModelFinder(model);

         this.xmlType = xmlType;

     }

     private Collection errors;

     @Override

     public Collection<String> validate() {

         errors = new ArrayList();

         basicValidation();

         return errors;

     }

     private void basicValidation() {

         if (xmlType.getName().equals("")) {

             addError("Name is required");

         }

         if (xmlType.getName().equalsIgnoreCase("Object")) {

             addError("Object is reserved and cannot be used as the name of an XmlType");

         }

         if (xmlType.getName().equalsIgnoreCase("ObjectList")) {

             addError("Object is reserved and cannot be used as the name of an XmlType");

         }

         if (!xmlType.getService().equals("")) {

             for (String srv : xmlType.getService().split(",")) {

                 if (finder.findService(srv.trim()) == null) {

                     addError("Service, [" + srv

                             + "] could not be found in the list of services");

                 }

             }

         }

     }

     private void addError(String msg) {

         String error = "Error in xmlType entry: " + xmlType.getName() + ": " + msg;

         if (!errors.contains(error)) {

             errors.add(error);

         }

     }

 }