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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 | |||
31 | PointedEar | 43 | /* |
44 | * (non-Javadoc) |
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45 | * |
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46 | * @see com.opensymphony.xwork2.ModelDriven#getModel() |
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47 | */ |
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48 | public Term getModel() |
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49 | { |
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50 | return this.term; |
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51 | } |
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52 | |||
53 | /** |
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54 | * Executes the DB query to save the user |
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55 | * |
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56 | * @return {@link Action#SUCCESS} |
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57 | */ |
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33 | PointedEar | 58 | public String add() |
31 | PointedEar | 59 | { |
33 | PointedEar | 60 | User user = this.userDAO.searchUsername((String) this.session |
61 | .get("username")); |
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62 | ObjectEntity obj = new ObjectEntity(user, new ObjectType(ObjectType.TERM), |
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63 | user, null, new Date(), false, this.term, null, null); |
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64 | this.term.setObject(obj); |
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65 | if (this.termDAO.saveOrUpdate(this.term)) |
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66 | { |
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67 | return Action.SUCCESS; |
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68 | } |
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69 | |||
70 | return Action.ERROR; |
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31 | PointedEar | 71 | } |
72 | |||
73 | /** |
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33 | PointedEar | 74 | * DB query for term list |
31 | PointedEar | 75 | * |
76 | * @return SUCCESS |
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77 | */ |
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78 | public String list() |
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79 | { |
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80 | this.termList = this.termDAO.listTerm(); |
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81 | return Action.SUCCESS; |
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82 | } |
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83 | |||
84 | /** |
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85 | * @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR} |
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86 | * otherwise |
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87 | */ |
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88 | public String edit() |
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89 | { |
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90 | int id = this.getIdParameter(); |
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91 | |||
92 | if (id > 0) |
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93 | { |
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33 | PointedEar | 94 | this.term = this.termDAO.getTermById(id); |
95 | if (this.term != null) |
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96 | { |
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97 | return Action.SUCCESS; |
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98 | } |
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31 | PointedEar | 99 | } |
33 | PointedEar | 100 | |
101 | return Action.ERROR; |
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31 | PointedEar | 102 | } |
103 | |||
104 | /** |
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105 | * Gets the ID Parameter for update / delete requests |
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106 | * |
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107 | * @return int from the ID request. If not set or wrong, it gives back -1 |
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108 | */ |
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109 | private int getIdParameter() |
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110 | { |
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111 | HttpServletRequest request = (HttpServletRequest) ActionContext |
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112 | .getContext().get(StrutsStatics.HTTP_REQUEST); |
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113 | |||
114 | int id = -1; |
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115 | try |
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116 | { |
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117 | id = Integer.parseInt(request.getParameter("id")); //$NON-NLS-1$ |
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118 | } |
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119 | catch (Exception e) |
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120 | { |
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121 | /* TODO: Logging - wrong parameter set */ |
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122 | } |
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123 | |||
124 | return id; |
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125 | } |
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126 | |||
127 | /** |
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128 | * deletes a user, gets the ID from the "id" parameter that was submitted with |
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129 | * the HTTP request |
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130 | * |
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131 | * @return String - either SUCCESS or ERROR constant |
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132 | */ |
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133 | public String delete() |
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134 | { |
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135 | |||
136 | int id = this.getIdParameter(); |
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137 | |||
138 | /* Check for malicious ID values */ |
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139 | if (id > 0) |
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140 | { |
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141 | this.termDAO.deleteTerm(id); |
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142 | return Action.SUCCESS; |
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143 | } |
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144 | else |
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145 | { |
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146 | return Action.ERROR; |
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147 | } |
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148 | } |
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149 | |||
150 | /* |
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151 | * Standard getters and setters |
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152 | */ |
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153 | |||
154 | /** |
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155 | * @return The term edited with this instance |
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156 | */ |
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157 | public Term getTerm() |
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158 | { |
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159 | return this.term; |
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160 | } |
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161 | |||
162 | /** |
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163 | * @param term |
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164 | * The term edited with this instance |
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165 | */ |
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166 | public void setTerm(Term term) |
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167 | { |
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168 | this.term = term; |
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169 | } |
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170 | |||
171 | /** |
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172 | * @return The list of terms edited with this instance |
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173 | */ |
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174 | public List<Term> getTermList() |
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175 | { |
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176 | return this.termList; |
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177 | } |
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178 | |||
179 | /** |
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180 | * @param termList |
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181 | * The list of terms edited with this instance |
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182 | */ |
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183 | public void setTermList(List<Term> termList) |
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184 | { |
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185 | this.termList = termList; |
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186 | } |
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187 | } |