/**
    * Copyright 2005-2012 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/ecl2.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.io.Serializable;
  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.kuali.rice.core.api.mo.ModelBuilder;
  import org.kuali.rice.kew.api.action.ActionItem.Elements;
  import org.kuali.rice.kew.api.actionlist.DisplayParameters;
  import org.w3c.dom.Element;
  
  @XmlRootElement(name = ActionItemCustomization.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = ActionItemCustomization.Constants.TYPE_NAME, propOrder = {
          ActionItemCustomization.Elements.ID,
          ActionItemCustomization.Elements.ACTION_SET,
          ActionItemCustomization.Elements.DISPLAY_PARAMETERS,
          CoreConstants.CommonElements.FUTURE_ELEMENTS
  })
  public class ActionItemCustomization extends AbstractDataTransferObject implements ActionItemCustomizationContract {
  
      @XmlElement(name = Elements.ID, required = false)
      private final String id;
      @XmlElement(name = Elements.ACTION_SET, required = true)
      private final ActionSet actionSet;
      @XmlElement(name = Elements.DISPLAY_PARAMETERS, required = true)
      private final DisplayParameters displayParameters;
      @SuppressWarnings("unused")
      @XmlAnyElement
      private final Collection<Element> _futureElements = null;
      
      /**
       * Private constructor used only by JAXB.
       * 
       */
      private ActionItemCustomization() {
          this.id = null;
          this.actionSet = null;
          this.displayParameters = null;
      }
      
      private ActionItemCustomization(Builder builder) {
          this.id = builder.getId();
          this.actionSet = builder.getActionSet();
          this.displayParameters = builder.getDisplayParameters();
      }
  
      @Override
      public String getId() {
          return this.id;
      }
      
      @Override
      public ActionSet getActionSet() {
          return this.actionSet;
      }
  
      @Override
      public DisplayParameters getDisplayParameters() {
          return this.displayParameters;
      }
      
      /**
       * A builder which can be used to construct {@link ActionItemCustomization} instances.  
       * Enforces the constraints of the {@link ActionItemCustomizationContract}. 
       */
      public final static class Builder
          implements Serializable, ModelBuilder, ActionItemCustomizationContract
      {
          
          private String id;        
          private ActionSet actionSet;        
          private DisplayParameters displayParameters;
          
          private Builder(ActionSet actionSet, DisplayParameters displayParameters) {
             setActionSet(actionSet);
             setDisplayParameters(displayParameters);
         }
         
         public static Builder create(ActionSet actionSet, DisplayParameters displayParameters) {
             return new Builder(actionSet, displayParameters);
         }
         
         public static Builder create(ActionItemCustomizationContract contract) {
             if (contract == null) {
                 throw new IllegalArgumentException("contract is null");
             }
             Builder builder = create(contract.getActionSet(), contract.getDisplayParameters());
             builder.setId(contract.getId());
             return builder;
         }
                     
         @Override
         public ActionItemCustomization build() {
             return new ActionItemCustomization(this);
         }
 
         @Override
         public ActionSet getActionSet() {
             return this.actionSet;
         }
 
         public DisplayParameters getDisplayParameters() {
             return this.displayParameters;
         }
 
         public String getId() {
             return this.id;
         }
         
         public void setId(String id) {
             if (StringUtils.isWhitespace(id)) {
                 throw new IllegalArgumentException("id is blank");
             }
             this.id = id;
         }
         
         public void setActionSet(ActionSet actionSet) {
             if (actionSet == null) {
                 throw new IllegalArgumentException("actionSet is null");
             }
             this.actionSet = actionSet;
         }
         
         public void setDisplayParameters(DisplayParameters displayParameters) {
             if (displayParameters == null) {
                 throw new IllegalArgumentException("displayParameters is null");
             }
             this.displayParameters = displayParameters;
         }
     }    
     
     /**
      * Defines some internal constants used on this class.
      * 
      */
     static class Constants {
         final static String ROOT_ELEMENT_NAME = "actionItemCustomization";
         final static String TYPE_NAME = "ActionItemCustomizationType";
     }
 
     /**
       * 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 ID = "id";
         final static String ACTION_SET = "actionSet";
         final static String DISPLAY_PARAMETERS = "displayParameters";
     }
 }