/*

  * Copyright 2011 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.opensource.org/licenses/ecl1.php

  *

  * 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.rice.kew.api.action;

 import java.util.Collection;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAnyElement;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.mo.AbstractDataTransferObject;

 import org.w3c.dom.Element;

 @XmlRootElement(name = MovePoint.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = MovePoint.Constants.TYPE_NAME, propOrder = {

                 MovePoint.Elements.START_NODE_NAME,

                 MovePoint.Elements.STEPS_TO_MOVE,

                 CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class MovePoint extends AbstractDataTransferObject {

         @XmlElement(name = Elements.START_NODE_NAME, required = true)

     private final String startNodeName;

         @XmlElement(name = Elements.STEPS_TO_MOVE, required = true)

     private final int stepsToMove;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     private MovePoint() {

             this.startNodeName = null;

             this.stepsToMove = 0;

     }

     private MovePoint(String startNodeName, int stepsToMove) {

             if (StringUtils.isBlank(startNodeName)) {

                     throw new IllegalArgumentException("startNodeName was null or blank");

             }

         this.startNodeName = startNodeName;

         this.stepsToMove = stepsToMove;

     }

     public static MovePoint create(String startNodeName, int stepsToMove) {

             return new MovePoint(startNodeName, stepsToMove);

     }

     public String getStartNodeName() {

         return startNodeName;

     }

     public int getStepsToMove() {

         return stepsToMove;

     }

     /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "movePoint";

         final static String TYPE_NAME = "MovePointType";

     }

     /**

      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.

      */

     static class Elements {

         final static String START_NODE_NAME = "startNodeName";

         final static String STEPS_TO_MOVE = "stepsToMove";

     }

 }