package org.kuali.rice.kew.api.document.attribute;
   
   import org.joda.time.DateTime;
   import org.kuali.rice.core.api.util.jaxb.DateTimeAdapter;
   
   import javax.xml.bind.annotation.XmlAccessType;
   import javax.xml.bind.annotation.XmlAccessorType;
   import javax.xml.bind.annotation.XmlElement;
   import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
  
  /**
   * A document attribute which contains date/time data.  Construct instances of {@code DocumentAttributeDateTime} using
   * it's builder or the {@link DocumentAttributeFactory}.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @XmlRootElement(name = DocumentAttributeDateTime.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = DocumentAttributeDateTime.Constants.TYPE_NAME, propOrder = {
      DocumentAttributeDateTime.Elements.VALUE
  })
  public final class DocumentAttributeDateTime extends DocumentAttribute {
  
      @XmlElement(name = Elements.VALUE, required = false)
      @XmlJavaTypeAdapter(DateTimeAdapter.class)
      private final DateTime value;
  
      @SuppressWarnings("unused")
      private DocumentAttributeDateTime() {
          this.value = null;
      }
  
      private DocumentAttributeDateTime(Builder builder) {
          super(builder.getName());
          this.value = builder.getValue();
      }
  
      @Override
      public DateTime getValue() {
          return value;
      }
  
      @Override
      public DocumentAttributeDataType getDataType() {
          return DocumentAttributeDataType.DATE_TIME;
      }
  
      /**
       * A builder implementation which allows for construction of a {@code DocumentAttributeDateTime}.
       */
      public static final class Builder extends AbstractBuilder<DateTime> {
  
          private Builder(String name) {
              super(name);
          }
  
          /**
           * Create a builder for the document attribute using the given attribute name.
           *
           * @param name the name of the document attribute which should be built by this builder, should never be a
           * null or blank value
           * @return a builder instance initialized with the given attribute name
           */
          public static Builder create(String name) {
              return new Builder(name);
          }
  
          @Override
          public DocumentAttributeDataType getDataType() {
              return DocumentAttributeDataType.DATE_TIME;
          }
  
          @Override
          public DocumentAttributeDateTime build() {
              return new DocumentAttributeDateTime(this);
          }
          
      }
  
      /**
       * Defines some internal constants used on this class.
       */
      static class Constants {
          final static String ROOT_ELEMENT_NAME = "documentAttributeDateTime";
          final static String TYPE_NAME = "DocumentAttributeDateTimeType";
      }
  
      /**
       * 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 VALUE = "value";
      }
  
  }