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Java > Open Source Codes > org > campware > cream > modules > actions > GroupSQL


1 package org.campware.cream.modules.actions;
2
3 /* ====================================================================
4  * Copyright (C) 2003-2005 Media Development Loan Fund
5  *
6  * * contact: contact@campware.org - http://www.campware.org
7  * Campware encourages further development. Please let us know.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * as published by the Free Software Foundation; either version 2
12  * of the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
27  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
30  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  * ====================================================================
36  *
37  * This software consists of voluntary contributions made by many
38  * individuals on behalf of the Apache Software Foundation. For more
39  * information on the Apache Software Foundation, please see
40  * <http://www.apache.org/>.
41  */
42
43 import org.apache.velocity.context.Context;
44
45 import org.apache.turbine.util.RunData;
46 import org.apache.torque.util.Criteria;
47
48 import org.campware.cream.om.TurbineGroup;
49 import org.campware.cream.om.TurbineGroupPeer;
50
51 /**
52  * This class provides a simple set of methods to
53  * insert/update/delete records in a database.
54  */
55 public class GroupSQL extends CreamAction
56 {
57     /**
58      * This simply takes an entry from the web form and
59      * inserts it directly into the database.
60      *
61      * This would not be good in practice as the
62      * data should be verified before being allowed
63      * into the database. This is merely an
64      * example of how to use peers, this certainly
65      * wouldn't be secure.
66      */
67     public void doInsert(RunData data, Context context)
68         throws Exception JavaDoc
69     {
70         TurbineGroup entry = new TurbineGroup();
71         data.getParameters().setProperties(entry);
72         entry.save();
73     }
74
75     /**
76      * Update a record in the database with the
77      * information present in the web form.
78      *
79      * Again, this is merely an example. The data
80      * should be checked before being allowed
81      * into the database.
82      */
83     public void doUpdate(RunData data, Context context)
84         throws Exception JavaDoc
85     {
86         TurbineGroup entry = new TurbineGroup();
87         data.getParameters().setProperties(entry);
88         entry.setModified(true);
89         entry.setNew(false);
90         entry.save();
91     }
92
93     /**
94      * Delete a record from the database using
95      * the unique id gleaned from the web form.
96      */
97     public void doDelete(RunData data, Context context)
98         throws Exception JavaDoc
99     {
100         Criteria criteria = new Criteria();
101         criteria.add(TurbineGroupPeer.GROUP_ID, data.getParameters().getInt("groupid"));
102         TurbineGroupPeer.doDelete(criteria);
103     }
104
105 }
106
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