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


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 CharacterArrayType extends ArrayType {
43   private static final L10N L = new L10N(CharacterArrayType.class);
44
45   private CharacterArrayType()
46   {
47   }
48
49   /**
50    * Returns the singleton CharacterArray type.
51    */
52   public static CharacterArrayType create()
53   {
54     return new CharacterArrayType();
55   }
56
57   /**
58    * Returns the type name.
59    */
60   public String JavaDoc getName()
61   {
62     return "java.lang.Character[]";
63   }
64
65   /**
66    * Returns the java type.
67    */
68   public String JavaDoc getJavaTypeName()
69   {
70     return "java.lang.Character[]";
71   }
72
73   /**
74    * Returns the java type for a single entry.
75    */
76   public String JavaDoc getJavaObjectTypeName()
77   {
78     return "java.lang.Character";
79   }
80
81   /**
82    * Returns the corresponding primitive array
83    * type name.
84    */
85   public String JavaDoc getPrimitiveArrayTypeName()
86   {
87     return "char[]";
88   }
89
90   /**
91    * Generates a string to load the property.
92    */
93   public int generateLoad(JavaWriter out, String JavaDoc rs,
94                           String JavaDoc indexVar, int index)
95     throws IOException JavaDoc
96   {
97     out.print(rs + ".getString(" + indexVar + " + " + index + ")");
98     out.print(" == null || " + rs + ".wasNull() ? null : ");
99     out.print(rs + ".getString(" + indexVar + " + " + index + ").toCharArray()");
100
101     return index + 1;
102   }
103
104   /**
105    * Generates a string to set the property.
106    */
107   public void generateSet(JavaWriter out, String JavaDoc pstmt,
108                           String JavaDoc index, String JavaDoc value)
109     throws IOException JavaDoc
110   {
111     out.println("if (" + value + " == null)");
112     out.println(" " + pstmt + ".setNull(" + index + "++, java.sql.Types.CHAR);");
113     out.println("else {");
114     out.println(" java.lang.Character[] super_temp_" + index + " = " + value + ";");
115     out.println(" char[] temp_" + index + " = new char[super_temp_" + index + ".length];");
116     out.println(" for (int i=0; i < temp_" + index + ".length; i++)");
117     out.println(" temp_" + index + "[i] = super_temp_" + index + "[i].charValue();");
118     out.println(" " + pstmt + ".setString(" + index + "++, new String(temp_" + index + "));");
119     out.println("}");
120   }
121
122   /**
123    * Sets the value.
124    */
125   public void setParameter(PreparedStatement JavaDoc pstmt, int index, Object JavaDoc value)
126     throws SQLException JavaDoc
127   {
128     Character JavaDoc[] wrapperCharacter = (Character JavaDoc []) value;
129
130     char[] primitiveCharacter = new char[wrapperCharacter.length];
131     for (int i=0; i<wrapperCharacter.length; i++)
132       primitiveCharacter[i] = wrapperCharacter[i].charValue();
133
134     pstmt.setString(index, new String JavaDoc(primitiveCharacter));
135   }
136
137   /**
138    * Gets the value.
139    */
140   public Object JavaDoc getObject(ResultSet JavaDoc rs, int index)
141     throws SQLException JavaDoc
142   {
143     char[] primitiveCharacter = rs.getString(index).toCharArray();
144
145     if (rs.wasNull())
146       return null;
147
148     Character JavaDoc[] wrapperCharacter = new Character JavaDoc[primitiveCharacter.length];
149     for (int i=0; i < primitiveCharacter.length; i++)
150       wrapperCharacter[i] = new Character JavaDoc(primitiveCharacter[i]);
151
152     return wrapperCharacter;
153   }
154 }
155
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