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1
56 package org.objectstyle.cayenne.access.types;
57
58 import java.sql.CallableStatement  ;
59 import java.sql.PreparedStatement ;
60 import java.sql.ResultSet ;
61 import java.sql.Types ;
62 import java.util.Date ;
63
64 import org.objectstyle.cayenne.CayenneRuntimeException;
65 import org.objectstyle.cayenne.dba.TypesMapping;
66 import org.objectstyle.cayenne.map.DbAttribute;
67 import org.objectstyle.cayenne.validation.ValidationResult;
68
69
75 public class UtilDateType extends AbstractType {
76
77
80 public String getClassName() {
81 return Date .class.getName();
82 }
83
84
90 public boolean validateProperty(
91 Object source,
92 String property,
93 Object value,
94 DbAttribute dbAttribute,
95 ValidationResult validationResult) {
96 return true;
97 }
98
99 protected Object convertToJdbcObject(Object val, int type) throws Exception {
100 if (type == Types.DATE)
101 return new java.sql.Date (((Date ) val).getTime());
102 else if (type == Types.TIME)
103 return new java.sql.Time (((Date ) val).getTime());
104 else if (type == Types.TIMESTAMP)
105 return new java.sql.Timestamp (((Date ) val).getTime());
106 else
107 throw new IllegalArgumentException (
108 "Only date/time types can be used for '" + getClassName() + "'.");
109 }
110
111 public Object materializeObject(ResultSet rs, int index, int type) throws Exception {
112 Date val = null;
113
114 switch (type) {
115 case Types.TIMESTAMP:
116 val = rs.getTimestamp(index);
117 break;
118 case Types.DATE:
119 val = rs.getDate(index);
120 break;
121 case Types.TIME:
122 val = rs.getTime(index);
123 break;
124 default:
125 Object object = rs.getObject(index);
128
129 if (object != null && !(object instanceof Date )) {
130 throw new CayenneRuntimeException(
131 "Expected an instance of java.util.Date, instead got "
132 + object.getClass().getName()
133 + ", column index: "
134 + index);
135 }
136
137 val = (Date ) object;
138 break;
139 }
140
141 return (rs.wasNull()) ? null : new Date (val.getTime());
142 }
143
144 public Object materializeObject(CallableStatement cs, int index, int type)
145 throws Exception {
146 Object val = null;
147
148 switch (type) {
149 case Types.TIMESTAMP :
150 val = cs.getTimestamp(index);
151 break;
152 case Types.DATE :
153 val = cs.getDate(index);
154 break;
155 case Types.TIME :
156 val = cs.getTime(index);
157 break;
158 default :
159 val = cs.getObject(index);
160 if (val != null && !(val instanceof java.util.Date )) {
162 String typeName = TypesMapping.getSqlNameByType(type);
163 throw new ClassCastException (
164 "Expected a java.util.Date or subclass, instead fetched '"
165 + val.getClass().getName()
166 + "' for JDBC type "
167 + typeName);
168 }
169 break;
170 }
171
172 return (cs.wasNull())
177 ? null
178 : new java.util.Date (((java.util.Date ) val).getTime());
179 }
180
181 public void setJdbcObject(
182 PreparedStatement st,
183 Object val,
184 int pos,
185 int type,
186 int precision)
187 throws Exception {
188 super.setJdbcObject(st, convertToJdbcObject(val, type), pos, type, precision);
189 }
190 } |
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