package org.jscsi.target.scsi.modeSense;

 /**

  * A builder object used during the initialization of new {@link ModeParameterList} objects.

  * 

  * @author Andreas Ergenzinger

  */

 public final class ModeParameterListBuilder {

     /**

      * The {@link HeaderType} to be used by the {@link ModeParameterList}.

      */

     final HeaderType headerType;

     /**

      * Contains all elements to be included in the list of {@link LogicalBlockDescriptor} objects of the

      * {@link ModeParameterList}.

      */

     LogicalBlockDescriptor[] logicalBlockDescriptors;

     /**

      * If the {@link ModeParameterList} uses a {@link HeaderType#MODE_PARAMETER_HEADER_10} and this value is

      * <code>true</code>, then all contained MODE PARAMETER BLOCK DESCRIPTORs will have the LONG LBA (LOGICAL BLOCK

      * ADDRESS) format.

      * <p>

      * The jSCSI Target supports only the short format.

      */

     boolean longLba = false;

     /**

      * Contains all elements to be included in the list of {@link ModePage} objects of the {@link ModeParameterList}.

      */

     ModePage[] modePages;

     public ModeParameterListBuilder (final HeaderType headerType) {

         this.headerType = headerType;

     }

     public void setLogicalBlockDescriptors (final ShortLogicalBlockDescriptor logicalBlockDescriptor) {

         final ShortLogicalBlockDescriptor[] array = new ShortLogicalBlockDescriptor[1];

         array[0] = logicalBlockDescriptor;

         setLogicalBlockDescriptors(array);

     }

     public void setLogicalBlockDescriptors (final ShortLogicalBlockDescriptor[] logicalBlockDescriptors) {

         this.logicalBlockDescriptors = logicalBlockDescriptors;

         longLba = false;

     }

     public void setLogicalBlockDescriptors (final LongLogicalBlockDescriptor[] logicalBlockDescriptors) {

         this.logicalBlockDescriptors = logicalBlockDescriptors;

         longLba = true;

     }

     public void setModePages (final ModePage modePage) {

         final ModePage[] array = new ModePage[1];

         array[0] = modePage;

         setModePages(array);

     }

     public void setModePages (final ModePage[] modePages) {

         this.modePages = modePages;

     }

     /**

      * This method is used for checking that all required members are initialized and their respective values compatible

      * with each other.

      * 

      * @return <code>true</code> if everything is fine, <code>false</code> if not

      */

     boolean checkIntegrity () {

         if (headerType == null) return false;

         if (headerType == HeaderType.MODE_PARAMETER_HEADER_6 && longLba) return false;

         return true;

     }

 }