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Rev | Author | Line No. | Line |
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34 | PointedEar | 1 | package ch.ffhs.webE.action; |
2 | |||
3 | import java.util.ArrayList; |
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4 | import java.util.Date; |
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5 | import java.util.List; |
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6 | import java.util.Map; |
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37 | PointedEar | 7 | import java.util.Set; |
34 | PointedEar | 8 | |
9 | import javax.servlet.http.HttpServletRequest; |
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10 | |||
11 | import org.apache.struts2.StrutsStatics; |
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12 | |||
37 | PointedEar | 13 | import ch.ffhs.webE.dao.HistoryDAO; |
14 | import ch.ffhs.webE.dao.RelationshipDAO; |
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15 | import ch.ffhs.webE.dao.RelationshipTypeDAO; |
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16 | import ch.ffhs.webE.dao.TermDAO; |
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17 | import ch.ffhs.webE.dao.UserDAO; |
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18 | import ch.ffhs.webE.domain.ActionType; |
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19 | import ch.ffhs.webE.domain.History; |
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34 | PointedEar | 20 | import ch.ffhs.webE.domain.ObjectEntity; |
21 | import ch.ffhs.webE.domain.ObjectType; |
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22 | import ch.ffhs.webE.domain.Relationship; |
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23 | import ch.ffhs.webE.domain.RelationshipType; |
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24 | import ch.ffhs.webE.domain.Term; |
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25 | import ch.ffhs.webE.domain.User; |
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26 | |||
27 | import com.opensymphony.xwork2.Action; |
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28 | import com.opensymphony.xwork2.ActionContext; |
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29 | import com.opensymphony.xwork2.ActionSupport; |
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30 | import com.opensymphony.xwork2.ModelDriven; |
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31 | |||
32 | /** |
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33 | * Implements actions applicable to relationship editing |
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34 | * |
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35 | * @author Thomas Lahn |
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36 | */ |
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37 | public class RelationshipAction extends ActionSupport implements |
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38 | ModelDriven<Relationship> |
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39 | { |
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40 | private static final long serialVersionUID = 1L; |
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41 | |||
42 | private List<RelationshipType> relationshipTypes = new ArrayList<RelationshipType>(); |
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37 | PointedEar | 43 | private final RelationshipTypeDAO relationshipTypeDAO = new RelationshipTypeDAO(); |
44 | |||
34 | PointedEar | 45 | private List<Term> terms = new ArrayList<Term>(); |
37 | PointedEar | 46 | private final TermDAO termDAO = new TermDAO(); |
47 | |||
34 | PointedEar | 48 | private List<Relationship> relationshipList = new ArrayList<Relationship>(); |
49 | private Relationship relationship = new Relationship(); |
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50 | |||
51 | /** |
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37 | PointedEar | 52 | * The term that was just saved (added, renamed) |
53 | */ |
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54 | private Relationship modifiedRelationship; |
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55 | |||
56 | private final RelationshipDAO relationshipDAO = new RelationshipDAO(); |
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57 | |||
58 | private final UserDAO userDAO = new UserDAO(); |
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59 | |||
60 | private Set<History> history; |
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61 | private final HistoryDAO historyDAO = new HistoryDAO(); |
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62 | |||
63 | /** |
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34 | PointedEar | 64 | * Session object |
65 | */ |
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66 | Map<String, Object> session = ActionContext.getContext().getSession(); |
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67 | |||
35 | PointedEar | 68 | /** |
69 | * @var <code>true</code> if the relationship is to be edited/renamed, |
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70 | * <code>false</code> otherwise |
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71 | */ |
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72 | public boolean edit = false; |
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73 | |||
74 | /** |
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75 | * @var <code>true</code> if a relationship was added, <code>false</code> |
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76 | * otherwise |
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77 | */ |
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78 | public boolean added = false; |
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79 | |||
34 | PointedEar | 80 | private final HttpServletRequest request = (HttpServletRequest) ActionContext |
81 | .getContext().get(StrutsStatics.HTTP_REQUEST); |
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82 | |||
83 | /* |
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84 | * (non-Javadoc) |
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85 | * |
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86 | * @see com.opensymphony.xwork2.ModelDriven#getModel() |
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87 | */ |
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88 | public Relationship getModel() |
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89 | { |
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90 | return this.relationship; |
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91 | } |
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92 | |||
93 | /** |
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35 | PointedEar | 94 | * DB query for relationship list |
34 | PointedEar | 95 | * |
35 | PointedEar | 96 | * @return SUCCESS |
34 | PointedEar | 97 | */ |
35 | PointedEar | 98 | public String list() |
34 | PointedEar | 99 | { |
37 | PointedEar | 100 | this.setTerms(this.termDAO.getList()); |
101 | this.setRelationshipTypes(this.relationshipTypeDAO.getList()); |
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102 | this.setRelationshipList(this.relationshipDAO.getList()); |
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34 | PointedEar | 103 | return Action.SUCCESS; |
104 | } |
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105 | |||
106 | /** |
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35 | PointedEar | 107 | * Executes the DB query to save the relationship |
34 | PointedEar | 108 | * |
109 | * @return {@link Action#SUCCESS} |
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110 | */ |
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111 | public String save() |
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112 | { |
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37 | PointedEar | 113 | this.relationship.setTermFrom(this.termDAO.getById(Integer |
34 | PointedEar | 114 | .parseInt(this.request.getParameter("term1")))); |
37 | PointedEar | 115 | this.relationship.setTermTo(this.termDAO.getById(Integer |
34 | PointedEar | 116 | .parseInt(this.request.getParameter("term2")))); |
117 | this.relationship.setRelationshipType(this.relationshipTypeDAO |
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37 | PointedEar | 118 | .getById(Integer.parseInt(this.request.getParameter("type")))); |
34 | PointedEar | 119 | |
37 | PointedEar | 120 | User user = this.userDAO.getByUsername((String) this.session |
35 | PointedEar | 121 | .get("username")); |
37 | PointedEar | 122 | Date now = new Date(); |
123 | ObjectEntity obj; |
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124 | int action = 0; |
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35 | PointedEar | 125 | |
126 | if ("false".equals(this.request.getParameter("edit"))) |
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34 | PointedEar | 127 | { |
35 | PointedEar | 128 | /* Add a new relationship */ |
37 | PointedEar | 129 | obj = new ObjectEntity(user, new ObjectType(ObjectType.RELATIONSHIP), |
130 | user, null, new Date(), false, null, null, this.relationship); |
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34 | PointedEar | 131 | this.relationship.setObject(obj); |
35 | PointedEar | 132 | this.added = true; |
37 | PointedEar | 133 | action = ActionType.ADD; |
34 | PointedEar | 134 | } |
37 | PointedEar | 135 | else |
136 | { |
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137 | obj = new ObjectEntity(); |
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138 | obj.setId(this.relationship.getObjectId()); |
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139 | action = ActionType.MODIFY; |
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140 | } |
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34 | PointedEar | 141 | |
35 | PointedEar | 142 | this.edit = false; |
143 | |||
144 | String result = Action.SUCCESS; |
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37 | PointedEar | 145 | if (this.relationshipDAO.saveOrUpdate(this.relationship)) |
34 | PointedEar | 146 | { |
37 | PointedEar | 147 | String comment = this.request.getParameter("comment"); |
148 | |||
149 | History historyRecord = new History(user, new ActionType(action), obj, |
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150 | "(" + this.relationship.getTermFrom().getName() + ") (" |
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151 | + this.relationship.getRelationshipType().getNameFrom() + ") (" |
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152 | + this.relationship.getTermTo().getName() + ")", comment, now); |
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153 | |||
154 | this.historyDAO.saveOrUpdate(historyRecord); |
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155 | } |
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156 | else |
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157 | { |
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35 | PointedEar | 158 | result = Action.ERROR; |
34 | PointedEar | 159 | } |
160 | |||
35 | PointedEar | 161 | this.setModifiedRelationship(this.relationship); |
162 | this.setRelationship(null); |
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34 | PointedEar | 163 | |
35 | PointedEar | 164 | this.list(); |
165 | |||
166 | return result; |
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34 | PointedEar | 167 | } |
168 | |||
169 | /** |
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170 | * @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR} |
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171 | * otherwise |
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172 | */ |
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173 | public String edit() |
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174 | { |
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175 | int id = this.getIdParameter(); |
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176 | |||
35 | PointedEar | 177 | String result = Action.ERROR; |
34 | PointedEar | 178 | if (id > 0) |
179 | { |
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37 | PointedEar | 180 | this.setRelationship(this.relationshipDAO.getById(id)); |
35 | PointedEar | 181 | if (this.getRelationship() != null) |
34 | PointedEar | 182 | { |
35 | PointedEar | 183 | this.edit = true; |
184 | result = Action.SUCCESS; |
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34 | PointedEar | 185 | } |
186 | } |
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187 | |||
35 | PointedEar | 188 | this.list(); |
34 | PointedEar | 189 | |
35 | PointedEar | 190 | return result; |
34 | PointedEar | 191 | } |
192 | |||
193 | /** |
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194 | * deletes a user, gets the ID from the "id" parameter that was submitted with |
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195 | * the HTTP request |
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196 | * |
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197 | * @return String - either SUCCESS or ERROR constant |
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198 | */ |
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199 | public String delete() |
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200 | { |
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201 | int id = this.getIdParameter(); |
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202 | |||
203 | /* Check for malicious ID values */ |
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35 | PointedEar | 204 | String result = Action.SUCCESS; |
34 | PointedEar | 205 | if (id > 0) |
206 | { |
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37 | PointedEar | 207 | this.relationshipDAO.delete(id); |
34 | PointedEar | 208 | } |
209 | else |
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210 | { |
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35 | PointedEar | 211 | result = Action.ERROR; |
34 | PointedEar | 212 | } |
35 | PointedEar | 213 | |
214 | this.list(); |
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215 | |||
216 | return result; |
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34 | PointedEar | 217 | } |
218 | |||
35 | PointedEar | 219 | /** |
220 | * Gets the ID Parameter for update / delete requests |
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221 | * |
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222 | * @return int from the ID request. If not set or wrong, it gives back -1 |
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34 | PointedEar | 223 | */ |
35 | PointedEar | 224 | private int getIdParameter() |
225 | { |
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226 | int id = -1; |
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227 | try |
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228 | { |
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229 | id = Integer.parseInt(this.request.getParameter("id")); //$NON-NLS-1$ |
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230 | } |
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231 | catch (Exception e) |
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232 | { |
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233 | /* TODO: Logging - wrong parameter set */ |
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234 | } |
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34 | PointedEar | 235 | |
35 | PointedEar | 236 | return id; |
237 | } |
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238 | |||
239 | /* Standard getters and setters */ |
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240 | |||
34 | PointedEar | 241 | /** |
242 | * @return The relationship edited with this instance |
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243 | */ |
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244 | public Relationship getRelationship() |
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245 | { |
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246 | return this.relationship; |
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247 | } |
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248 | |||
249 | /** |
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250 | * @param relationship |
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251 | * The relationship edited with this instance |
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252 | */ |
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253 | public void setRelationship(Relationship relationship) |
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254 | { |
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255 | this.relationship = relationship; |
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256 | } |
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257 | |||
258 | /** |
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259 | * @return The list of terms edited with this instance |
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260 | */ |
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261 | public List<Relationship> getRelationshipList() |
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262 | { |
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263 | return this.relationshipList; |
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264 | } |
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265 | |||
266 | /** |
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267 | * @param relationshipList |
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268 | * The list of terms edited with this instance |
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269 | */ |
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270 | public void setRelationshipList(List<Relationship> relationshipList) |
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271 | { |
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272 | this.relationshipList = relationshipList; |
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273 | } |
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274 | |||
275 | /** |
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276 | * @return the relationshipTypes |
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277 | */ |
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278 | public List<RelationshipType> getRelationshipTypes() |
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279 | { |
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280 | return this.relationshipTypes; |
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281 | } |
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282 | |||
283 | /** |
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284 | * @param relationshipTypes |
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285 | * the relationshipTypes to set |
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286 | */ |
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287 | public void setRelationshipTypes(List<RelationshipType> relationshipTypes) |
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288 | { |
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289 | this.relationshipTypes = relationshipTypes; |
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290 | } |
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291 | |||
292 | /** |
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293 | * @return the terms |
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294 | */ |
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295 | public List<Term> getTerms() |
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296 | { |
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297 | return this.terms; |
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298 | } |
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299 | |||
300 | /** |
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301 | * @param terms |
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302 | * the terms to set |
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303 | */ |
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304 | public void setTerms(List<Term> terms) |
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305 | { |
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306 | this.terms = terms; |
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307 | } |
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35 | PointedEar | 308 | |
309 | /** |
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310 | * @return the modifiedRelationship |
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311 | */ |
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312 | public Relationship getModifiedRelationship() |
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313 | { |
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314 | return this.modifiedRelationship; |
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315 | } |
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316 | |||
317 | /** |
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318 | * @param modifiedRelationship |
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319 | * the modifiedRelationship to set |
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320 | */ |
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321 | public void setModifiedRelationship(Relationship modifiedRelationship) |
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322 | { |
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323 | this.modifiedRelationship = modifiedRelationship; |
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324 | } |
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37 | PointedEar | 325 | |
326 | /** |
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327 | * @return the history |
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328 | */ |
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329 | public Set<History> getHistory() |
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330 | { |
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331 | return this.history; |
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332 | } |
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333 | |||
334 | /** |
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335 | * @param history |
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336 | * the history to set |
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337 | */ |
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338 | public void setHistory(Set<History> history) |
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339 | { |
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340 | this.history = history; |
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341 | } |
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34 | PointedEar | 342 | } |