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1 package org.hibernate.type;
3
4 import java.lang.reflect.Method  ;
5 import java.sql.PreparedStatement ;
6 import java.sql.ResultSet ;
7 import java.sql.SQLException ;
8
9 import org.hibernate.AssertionFailure;
10 import org.hibernate.Hibernate;
11 import org.hibernate.HibernateException;
12
13
19 public class CurrencyType extends ImmutableType implements LiteralType {
20
21 public static final Class CURRENCY_CLASS;
22 private static final Method CURRENCY_GET_INSTANCE;
23 private static final Method CURRENCY_GET_CODE;
24
25 static {
26 Class clazz;
27 try {
28 clazz = Class.forName("java.util.Currency");
29 }
30 catch (ClassNotFoundException cnfe) {
31 clazz = null;
32 }
33 if (clazz==null) {
34 CURRENCY_CLASS = null;
35 CURRENCY_GET_INSTANCE = null;
36 CURRENCY_GET_CODE = null;
37 }
38 else {
39 CURRENCY_CLASS = clazz;
40 try {
41 CURRENCY_GET_INSTANCE = clazz.getMethod("getInstance", new Class [] { String .class } );
42 CURRENCY_GET_CODE = clazz.getMethod("getCurrencyCode", new Class [0] );
43 }
44 catch (Exception e) {
45 throw new AssertionFailure("Exception in static initializer of CurrencyType", e);
46 }
47 }
48 }
49
50
53 public Object get(ResultSet rs, String name)
54 throws HibernateException, SQLException {
55 String code = (String ) Hibernate.STRING.nullSafeGet(rs, name);
56 try {
57 return (code==null) ? null : CURRENCY_GET_INSTANCE.invoke(null, new Object [] { code } );
58 }
59 catch (Exception e) {
60 throw new HibernateException("Could not resolve currency code: " + code);
61 }
62 }
63
64
67 public void set(PreparedStatement st, Object value, int index)
68 throws HibernateException, SQLException {
69 Object code;
70 try {
71 code = CURRENCY_GET_CODE.invoke(value, null);
72 }
73 catch (Exception e) {
74 throw new HibernateException("Could not get Currency code", e);
75 }
76 Hibernate.STRING.set(st, code, index);
77 }
78
79
82 public int sqlType() {
83 return Hibernate.STRING.sqlType();
84 }
85
86
88 public String toString(Object value) throws HibernateException {
89 try {
90 return (String ) CURRENCY_GET_CODE.invoke(value, null);
91 }
92 catch (Exception e) {
93 throw new HibernateException("Could not get Currency code", e);
94 }
95 }
96
97
100 public Class getReturnedClass() {
101 return CURRENCY_CLASS;
102 }
103
104
107 public String getName() {
108 return "currency";
109 }
110
111
114 public String objectToSQLString(Object value) throws Exception {
115 String code;
116 try {
117 code = (String ) CURRENCY_GET_CODE.invoke(value, null);
118 }
119 catch (Exception e) {
120 throw new HibernateException("Could not get Currency code", e);
121 }
122 return ( (LiteralType) Hibernate.STRING ).objectToSQLString(code);
123 }
124
125 public Object fromStringValue(String xml) throws HibernateException {
126 try {
127 return CURRENCY_GET_INSTANCE.invoke( null, new Object [] {xml} );
128 }
129 catch (Exception e) {
130 throw new HibernateException("Could not resolve currency code: " + xml);
131 }
132 }
133
134 }
135
136
137
138
139
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