/*

  * 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);

   }

  }

 }