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Rev | Author | Line No. | Line |
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31 | PointedEar | 1 | package ch.ffhs.webE.action; |
2 | |||
3 | import java.util.ArrayList; |
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33 | PointedEar | 4 | import java.util.Date; |
31 | PointedEar | 5 | import java.util.List; |
33 | PointedEar | 6 | import java.util.Map; |
31 | PointedEar | 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.TermDAOImpl; |
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33 | PointedEar | 13 | import ch.ffhs.webE.dao.UserDAOImpl; |
14 | import ch.ffhs.webE.domain.ObjectEntity; |
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15 | import ch.ffhs.webE.domain.ObjectType; |
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31 | PointedEar | 16 | import ch.ffhs.webE.domain.Term; |
33 | PointedEar | 17 | import ch.ffhs.webE.domain.User; |
31 | PointedEar | 18 | |
19 | import com.opensymphony.xwork2.Action; |
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20 | import com.opensymphony.xwork2.ActionContext; |
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21 | import com.opensymphony.xwork2.ActionSupport; |
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22 | import com.opensymphony.xwork2.ModelDriven; |
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23 | |||
24 | /** |
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25 | * Implements actions applicable to term editing |
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26 | * |
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27 | * @author Thomas Lahn |
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28 | */ |
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29 | public class TermAction extends ActionSupport implements ModelDriven<Term> |
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30 | { |
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33 | PointedEar | 31 | private static final long serialVersionUID = 1L; |
31 | PointedEar | 32 | |
33 | private Term term = new Term(); |
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34 | private List<Term> termList = new ArrayList<Term>(); |
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33 | PointedEar | 35 | private final TermDAOImpl termDAO = new TermDAOImpl(); |
36 | private final UserDAOImpl userDAO = new UserDAOImpl(); |
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31 | PointedEar | 37 | |
33 | PointedEar | 38 | /** |
39 | * Session object |
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40 | */ |
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41 | Map<String, Object> session = ActionContext.getContext().getSession(); |
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42 | |||
34 | PointedEar | 43 | private final HttpServletRequest request = (HttpServletRequest) ActionContext |
44 | .getContext().get(StrutsStatics.HTTP_REQUEST); |
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45 | |||
31 | PointedEar | 46 | /* |
47 | * (non-Javadoc) |
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48 | * |
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49 | * @see com.opensymphony.xwork2.ModelDriven#getModel() |
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50 | */ |
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51 | public Term getModel() |
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52 | { |
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53 | return this.term; |
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54 | } |
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55 | |||
56 | /** |
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57 | * Executes the DB query to save the user |
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58 | * |
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59 | * @return {@link Action#SUCCESS} |
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60 | */ |
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34 | PointedEar | 61 | public String save() |
31 | PointedEar | 62 | { |
34 | PointedEar | 63 | if (!"1".equals(this.request.getParameter("edit"))) |
64 | { |
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65 | User user = this.userDAO.searchUsername((String) this.session |
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66 | .get("username")); |
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67 | ObjectEntity obj = new ObjectEntity(user, |
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68 | new ObjectType(ObjectType.TERM), user, null, new Date(), false, |
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69 | this.term, null, null); |
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70 | this.term.setObject(obj); |
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71 | } |
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72 | |||
33 | PointedEar | 73 | if (this.termDAO.saveOrUpdate(this.term)) |
74 | { |
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75 | return Action.SUCCESS; |
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76 | } |
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77 | |||
78 | return Action.ERROR; |
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31 | PointedEar | 79 | } |
80 | |||
81 | /** |
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33 | PointedEar | 82 | * DB query for term list |
31 | PointedEar | 83 | * |
84 | * @return SUCCESS |
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85 | */ |
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86 | public String list() |
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87 | { |
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34 | PointedEar | 88 | this.termList = this.termDAO.getTerms(); |
31 | PointedEar | 89 | return Action.SUCCESS; |
90 | } |
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91 | |||
92 | /** |
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93 | * @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR} |
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94 | * otherwise |
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95 | */ |
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96 | public String edit() |
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97 | { |
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98 | int id = this.getIdParameter(); |
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99 | |||
100 | if (id > 0) |
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101 | { |
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33 | PointedEar | 102 | this.term = this.termDAO.getTermById(id); |
103 | if (this.term != null) |
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104 | { |
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34 | PointedEar | 105 | this.term.edit = true; |
33 | PointedEar | 106 | return Action.SUCCESS; |
107 | } |
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31 | PointedEar | 108 | } |
33 | PointedEar | 109 | |
110 | return Action.ERROR; |
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31 | PointedEar | 111 | } |
112 | |||
113 | /** |
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114 | * Gets the ID Parameter for update / delete requests |
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115 | * |
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116 | * @return int from the ID request. If not set or wrong, it gives back -1 |
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117 | */ |
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118 | private int getIdParameter() |
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119 | { |
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120 | int id = -1; |
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121 | try |
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122 | { |
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34 | PointedEar | 123 | id = Integer.parseInt(this.request.getParameter("id")); //$NON-NLS-1$ |
31 | PointedEar | 124 | } |
125 | catch (Exception e) |
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126 | { |
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127 | /* TODO: Logging - wrong parameter set */ |
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128 | } |
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129 | |||
130 | return id; |
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131 | } |
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132 | |||
133 | /** |
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134 | * deletes a user, gets the ID from the "id" parameter that was submitted with |
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135 | * the HTTP request |
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136 | * |
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137 | * @return String - either SUCCESS or ERROR constant |
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138 | */ |
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139 | public String delete() |
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140 | { |
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141 | |||
142 | int id = this.getIdParameter(); |
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143 | |||
144 | /* Check for malicious ID values */ |
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145 | if (id > 0) |
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146 | { |
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147 | this.termDAO.deleteTerm(id); |
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148 | return Action.SUCCESS; |
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149 | } |
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150 | else |
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151 | { |
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152 | return Action.ERROR; |
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153 | } |
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154 | } |
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155 | |||
156 | /* |
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157 | * Standard getters and setters |
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158 | */ |
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159 | |||
160 | /** |
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161 | * @return The term edited with this instance |
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162 | */ |
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163 | public Term getTerm() |
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164 | { |
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165 | return this.term; |
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166 | } |
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167 | |||
168 | /** |
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169 | * @param term |
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170 | * The term edited with this instance |
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171 | */ |
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172 | public void setTerm(Term term) |
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173 | { |
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174 | this.term = term; |
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175 | } |
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176 | |||
177 | /** |
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178 | * @return The list of terms edited with this instance |
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179 | */ |
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180 | public List<Term> getTermList() |
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181 | { |
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182 | return this.termList; |
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183 | } |
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184 | |||
185 | /** |
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186 | * @param termList |
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187 | * The list of terms edited with this instance |
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188 | */ |
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189 | public void setTermList(List<Term> termList) |
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190 | { |
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191 | this.termList = termList; |
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192 | } |
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193 | } |