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