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Java > Open Source Codes > com > jcorporate > expresso > services > controller > dbmaint > UpdateDelete


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64
65 package com.jcorporate.expresso.services.controller.dbmaint;
66
67 import com.jcorporate.expresso.core.controller.ControllerException;
68 import com.jcorporate.expresso.core.controller.ControllerRequest;
69 import com.jcorporate.expresso.core.controller.ControllerResponse;
70 import com.jcorporate.expresso.core.controller.ErrorCollection;
71 import com.jcorporate.expresso.core.controller.NonHandleableException;
72 import com.jcorporate.expresso.core.controller.Output;
73 import com.jcorporate.expresso.core.dataobjects.DataObject;
74 import com.jcorporate.expresso.core.db.DBException;
75
76
77 /**
78  * Lets user delete a record. Processes the data passed via
79  * standard form by UPDATE, after the user has pressed the
80  * delete button.
81  *
82  * @author Michael Nash, contributions by Kevin King
83  * @version $Revision: 1.10 $ $Date: 2004/11/17 20:48:18 $
84  */
85 public class UpdateDelete
86         extends UpdateBase {
87     public UpdateDelete() {
88     }
89
90     /**
91      * Constructor
92      *
93      * @param code The name of the state.
94      * @param descrip The friendly name of the state
95      */
96     public UpdateDelete(String JavaDoc code, String JavaDoc descrip) {
97         super(code, descrip);
98     } /* UpdateDelete(String, String) */
99
100     /**
101      * Perform the actions of this state.
102      *
103      * @param req The <code>ControllerRequest</code> object
104      * @param res The <code>ControllerResponse</code> object
105      */
106     public void run(ControllerRequest req, ControllerResponse res)
107             throws NonHandleableException, ControllerException {
108         super.run(req, res);
109
110         DataObject myDBObj = this.getDataObject();
111         ErrorCollection ee = new ErrorCollection();
112
113         try {
114             retrieveMyDBObject();
115             myDBObj.delete();
116             showPrev = false;
117             showNext = false;
118             showUserName("");
119             addOutput(new Output("title", "Data Deleted"));
120             addOutput(new Output("message", "Record Deleted"));
121             showKey(false);
122             showOptions();
123             clearFormCache();
124         } catch (DBException de) {
125             ee.addError(de.getMessage());
126         }
127         if (ee.getErrorCount() > 0) {
128             res.saveErrors(ee);
129             setResponse(getController().newState("Update", req));
130
131             //getController().getState("Add").run(req, res);
132 }
133     } /* execute() */
134
135
136 }
137
138 /* UpdateDelete */
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