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


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 java.util.Date JavaDoc;
44 import org.apache.velocity.context.Context;
45
46 import org.apache.turbine.util.RunData;
47 import org.apache.torque.util.Criteria;
48 import org.apache.torque.util.Transaction;
49 import java.sql.Connection JavaDoc;
50
51 import org.campware.cream.om.Product;
52 import org.campware.cream.om.ProductPeer;
53
54 /**
55  * This class provides a simple set of methods to
56  * insert/update/delete records in a database.
57  */
58 public class ProductSQL extends CreamAction
59 {
60     protected void initScreen()
61     {
62         setModuleType(ENTITY);
63         setModuleName("PRODUCT");
64     }
65     /**
66      * This simply takes an entry from the web form and
67      * inserts it directly into the database.
68      *
69      * This would not be good in practice as the
70      * data should be verified before being allowed
71      * into the database. This is merely an
72      * example of how to use peers, this certainly
73      * wouldn't be secure.
74      */
75     public void doInsert(RunData data, Context context)
76         throws Exception JavaDoc
77     {
78         Product entry = new Product();
79         data.getParameters().setProperties(entry);
80
81
82         String JavaDoc myCode=data.getParameters().getString("productcode");
83
84         entry.setCreatedBy(data.getUser().getName());
85         entry.setCreated(new Date JavaDoc());
86         entry.setModifiedBy(data.getUser().getName());
87         entry.setModified(new Date JavaDoc());
88         
89         if (myCode.equals("AUTO"))
90         {
91             entry.setProductCode(getTempCode());
92
93             Connection JavaDoc conn = Transaction.begin(ProductPeer.DATABASE_NAME);
94             boolean success = false;
95             try {
96                 entry.save(conn);
97                 entry.setProductCode(getRowCode("PR", entry.getProductId()));
98                 entry.save(conn);
99                 Transaction.commit(conn);
100                 success = true;
101     
102             } finally {
103                 if (!success) Transaction.safeRollback(conn);
104             }
105         }
106         else
107         {
108             entry.save();
109         }
110
111     }
112
113     /**
114      * Update a record in the database with the
115      * information present in the web form.
116      *
117      * Again, this is merely an example. The data
118      * should be checked before being allowed
119      * into the database.
120      */
121     public void doUpdate(RunData data, Context context)
122         throws Exception JavaDoc
123     {
124         Product entry = new Product();
125         data.getParameters().setProperties(entry);
126
127         String JavaDoc myCode=data.getParameters().getString("productcode");
128         if (myCode.equals("AUTO"))
129         {
130             entry.setProductCode(getRowCode("PR", entry.getProductId()));
131         }
132
133         entry.setCreated(parseDateTime(data.getParameters().getString("created")));
134         entry.setModifiedBy(data.getUser().getName());
135         entry.setModified(new Date JavaDoc());
136
137         entry.setModified(true);
138         entry.setNew(false);
139         entry.save();
140
141     }
142
143     /**
144      * Delete a record from the database using
145      * the unique id gleaned from the web form.
146      */
147     public void doDelete(RunData data, Context context)
148         throws Exception JavaDoc
149     {
150         Criteria criteria = new Criteria();
151         criteria.add(ProductPeer.PRODUCT_ID, data.getParameters().getInt("productid"));
152         ProductPeer.doDelete(criteria);
153     }
154
155     /**
156      * Delete selected records from the database using
157      * the unique ids gleaned from the web form.
158      */
159     public void doDeleteselected(RunData data, Context context)
160         throws Exception JavaDoc
161     {
162         int[] delIds= data.getParameters().getInts("rowid");
163         Criteria criteria = new Criteria();
164         criteria.addIn(ProductPeer.PRODUCT_ID, delIds);
165         ProductPeer.doDelete(criteria);
166     }
167
168 }
169
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