/*

  * 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);

   }

  }

 }