|
1 package org.jbpm.bpel.hibernate;
2
3 import java.io.Serializable  ;
4 import java.sql.PreparedStatement ;
5 import java.sql.ResultSet ;
6 import java.sql.SQLException ;
7 import java.sql.Types ;
8
9 import javax.xml.namespace.QName ;
10
11 import org.hibernate.Hibernate;
12 import org.hibernate.HibernateException;
13 import org.hibernate.usertype.UserType;
14
15
19 public class QNameType implements UserType {
20
21 private static final int[] SQL_TYPES = new int[] {Types.VARCHAR, Types.VARCHAR};
22 public int[] sqlTypes() {
23 return SQL_TYPES;
24 }
25
26 public boolean equals(Object x, Object y) throws HibernateException {
27 return (x == null) ? (y == null) : ((QName )x).equals(y);
28 }
29
30 public boolean isMutable() {
31 return false;
32 }
33
34 public Class returnedClass() {
35 return QName .class;
36 }
37
38 public int hashCode(Object x) throws HibernateException {
39 return x.hashCode();
40 }
41
42 public Object deepCopy(Object value) throws HibernateException {
43 return value;
44 }
45
46 public Serializable disassemble(Object value) throws HibernateException {
47 return (Serializable ) value;
48 }
49
50 public Object assemble(Serializable cached, Object owner) throws HibernateException {
51 return cached;
52 }
53
54 public Object replace(Object original, Object target, Object owner) throws HibernateException {
55 return target;
56 }
57
58
61 public Object nullSafeGet(ResultSet rs, String [] names, Object owner)
62 throws HibernateException, SQLException {
63 String namespaceURI = (String ) Hibernate.STRING.nullSafeGet(rs, names[0]);
64 String localPart = (String ) Hibernate.STRING.nullSafeGet(rs, names[1]);
65 return (namespaceURI != null || localPart != null) ? new QName (namespaceURI, localPart) : null;
66 }
67
68
71 public void nullSafeSet(PreparedStatement st, Object value, int index)
72 throws HibernateException, SQLException {
73 if(value == null) {
74 st.setNull(index, Types.VARCHAR);
75 st.setNull(index + 1, Types.VARCHAR);
76 }
77 else if (returnedClass().isAssignableFrom(value.getClass())) {
78 QName qname = (QName ) value;
79 st.setString(index, qname.getNamespaceURI());
81 st.setString(index + 1, qname.getLocalPart());
82 }
83 else {
84 throw new IllegalArgumentException ("Received value is not a[" +
86 returnedClass().getName() + "] but [" + value.getClass() + "]");
87 }
88 }
89 }
90 |
Popular Tags |
Java API By Example, From Geeks To Geeks.