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Java > Open Source Codes > com > caucho > amber > type > PrimitiveCharArrayType


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source 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, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free Software Foundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Rodrigo Westrupp
27  */
28
29 package com.caucho.amber.type;
30
31 import com.caucho.java.JavaWriter;
32 import com.caucho.util.L10N;
33
34 import java.io.IOException JavaDoc;
35 import java.sql.PreparedStatement JavaDoc;
36 import java.sql.ResultSet JavaDoc;
37 import java.sql.SQLException JavaDoc;
38
39 /**
40  * The type of a property.
41  */
42 public class PrimitiveCharArrayType extends Type {
43   private static final L10N L = new L10N(PrimitiveCharArrayType.class);
44
45   private PrimitiveCharArrayType()
46   {
47   }
48
49   /**
50    * Returns the singleton PrimitiveCharArray type.
51    */
52   public static PrimitiveCharArrayType create()
53   {
54     return new PrimitiveCharArrayType();
55   }
56
57   /**
58    * Returns the type name.
59    */
60   public String JavaDoc getName()
61   {
62     return "char[]";
63   }
64
65   /**
66    * Returns the java type.
67    */
68   public String JavaDoc getJavaTypeName()
69   {
70     return "char[]";
71   }
72
73   /**
74    * Generates a string to load the property.
75    */
76   public int generateLoad(JavaWriter out, String JavaDoc rs,
77                           String JavaDoc indexVar, int index)
78     throws IOException JavaDoc
79   {
80     out.print(rs + ".getString(" + indexVar + " + " + index + ")");
81     out.print(" == null || " + rs + ".wasNull() ? null : ");
82     out.print(rs + ".getString(" + indexVar + " + " + index + ").toCharArray()");
83
84     return index + 1;
85   }
86
87   /**
88    * Generates a string to set the property.
89    */
90   public void generateSet(JavaWriter out, String JavaDoc pstmt,
91                           String JavaDoc index, String JavaDoc value)
92     throws IOException JavaDoc
93   {
94     out.println("if (" + value + " == null)");
95     out.println(" " + pstmt + ".setNull(" + index + "++, java.sql.Types.CHAR);");
96     out.println("else");
97     out.println(" " + pstmt + ".setString(" + index + "++, new String(" + value + "));");
98   }
99
100   /**
101    * Sets the value.
102    */
103   public void setParameter(PreparedStatement JavaDoc pstmt, int index, Object JavaDoc value)
104     throws SQLException JavaDoc
105   {
106     if (value == null)
107       pstmt.setNull(index, java.sql.Types.CHAR);
108     else
109       pstmt.setString(index, new String JavaDoc((char []) value));
110   }
111
112   /**
113    * Gets the value.
114    */
115   public Object JavaDoc getObject(ResultSet JavaDoc rs, int index)
116     throws SQLException JavaDoc
117   {
118     String JavaDoc s = rs.getString(index);
119
120     if (rs.wasNull())
121       return null;
122
123     return s.toCharArray();
124   }
125 }
126
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