package org.kuali.student.core.statement.service.assembler;

 import org.apache.commons.beanutils.BeanUtils;

 import org.apache.log4j.Logger;

 import org.kuali.student.common.assembly.BOAssembler;

 import org.kuali.student.common.assembly.BaseDTOAssemblyNode;

 import org.kuali.student.common.assembly.BaseDTOAssemblyNode.NodeOperation;

 import org.kuali.student.common.assembly.data.AssemblyException;

 import org.kuali.student.common.service.impl.BaseAssembler;

 import org.kuali.student.core.statement.dto.StatementTreeViewInfo;

 /**

  * CRUD operations for StatementTreeViewInfo

  * <p/>

  * NOTE: the Natural Language field is NOT filled in. This has be done further up the calling stack.

  *

  * @author glindholm

  *

  */

 public class StatementTreeViewAssembler extends BaseAssembler implements BOAssembler<StatementTreeViewInfo, StatementTreeViewInfo>{

     final static Logger LOG = Logger.getLogger(StatementTreeViewAssembler.class);

         @Override

         public StatementTreeViewInfo assemble(StatementTreeViewInfo baseDTO,

                         StatementTreeViewInfo businessDTO, boolean shallowBuild)

                         throws AssemblyException {

                 StatementTreeViewInfo stmtTree = (null != businessDTO) ? businessDTO

                                 : new StatementTreeViewInfo();

                 try {

                         BeanUtils.copyProperties(stmtTree, baseDTO);

                 } catch (Exception e) {

                         throw new AssemblyException("Error assembling StatementTree",e);

                 }

                 return stmtTree;

         }

         @Override

         public BaseDTOAssemblyNode<StatementTreeViewInfo, StatementTreeViewInfo> disassemble(

                         StatementTreeViewInfo newTree, NodeOperation operation)

                         throws AssemblyException {

         if (newTree == null) {

                         // FIXME Unsure now if this is an exception or just return null or

                         // empty assemblyNode

                     LOG.error("StatementTreeView to disassemble is null!");

                         throw new AssemblyException("StatementTreeView can not be null");

                 }

                 BaseDTOAssemblyNode<StatementTreeViewInfo, StatementTreeViewInfo> result = new BaseDTOAssemblyNode<StatementTreeViewInfo, StatementTreeViewInfo>(this);

                 if(newTree.getId()==null|newTree.getId().isEmpty()){

                         result.setOperation(NodeOperation.CREATE);

                 }else{

                         result.setOperation(operation);

                 }

                 result.setBusinessDTORef(newTree);

                 result.setNodeData(newTree);

                 return result;

         }

 }