001    package org.kuali.student.core.dto;
002    
003    public class DtoConstants {
004     
005            public static final String DTO_STATE = "DtoState";
006            public static final String DTO_NEXT_STATE = "DtoNextState"; 
007    
008            //FIXME: Need to split out proposal states (ie. workflow states) versus dto states
009            public enum DtoState {
010                    DRAFT, SUBMITTED, APPROVED, ACTIVE, INACTIVE, RETIRED, SUPERSEDED, SAVED, ENROUTE;
011    
012                    public boolean equalsString(String state){
013                            if (state != null){
014                                    return this.toString().equals(state.toUpperCase());
015                            }
016                            
017                            return false;
018                    }
019                    
020                    /**
021                 * This is used to determine the next state.
022                 * 
023                 * TODO: Ideally this method should not be hardcoded here.  Also determining next state may
024                 * be a more complicated and not just be a simple sequence.
025                 * 
026                 * @param state
027                 * @return the next state
028                 */
029                    public static DtoState getNextState(String state){
030                            // Element States
031                            if (DRAFT.equalsString(state)) {
032                        return SUBMITTED;
033                    } else if (SUBMITTED.equalsString(state)) {
034                        return APPROVED;
035                    } else if (APPROVED.equalsString(state)) {
036                            return ACTIVE;
037                    } else if (ACTIVE.equalsString(state)) {
038                            return INACTIVE;
039                    } else if (INACTIVE.equalsString(state)) {
040                            return RETIRED;
041                    
042                    // Proposal States
043                    } else if (SAVED.equalsString(state)) {
044                            return ENROUTE;
045                    } else if (ENROUTE.equalsString(state)) {
046                            return APPROVED;
047                    }
048                                            
049                            
050                            return null;
051                    }
052                    
053                    public static String getNextStateAsString(String state){
054                            DtoState dtoState = getNextState(state);
055                            if (dtoState == null){
056                                    return null;
057                            } else {
058                                    return dtoState.toString();
059                            }
060                    }
061            }
062    }