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1
32
33 package com.mockobjects.eziba.sql;
34 import java.sql.SQLException  ;
35 import java.util.Vector ;
36 import java.lang.reflect.Method ;
37 import java.lang.reflect.InvocationTargetException ;public class ReflectiveResultSetRowGenerator
38 implements ResultSetRowGenerator
39 {
40
41 public ReflectiveResultSetRowGenerator(String [] p_propertyNames)
42 {
43 m_propertyNames = p_propertyNames;
44 }
45
46 private final String [] m_propertyNames;
47
48 public Object [] createRow(Object p_sourceObj)
49 throws SQLException
50 {
51 Vector result = new Vector ();
52 for (int i = 0; i < m_propertyNames.length; ++i)
53 {
54 result.add(getColumnData(p_sourceObj, m_propertyNames[i]));
55 }
56 return result.toArray();
57 }
58
59 private Object getColumnData(Object p_obj, String p_colName)
60 throws SQLException
61 {
62 try
63 {
64 Method m = p_obj.getClass().getMethod("get" + p_colName,
65 new Class [0]);
66 if (m.getReturnType().equals(Void.TYPE))
67 {
68 throw new SQLException ( "Column-mapped method " + m
69 + " returns void while looking for "
70 + p_colName + " on "
71 + p_obj.getClass() );
72 }
73 return m.invoke(p_obj,new Object [0]);
74 }
75 catch (NoSuchMethodException e)
76 {
77 choke(e,p_obj,p_colName);
78 }
79 catch (InvocationTargetException e)
80 {
81 choke(e,p_obj,p_colName);
82 }
83 catch (IllegalAccessException e)
84 {
85 choke(e,p_obj,p_colName);
86 }
87 return null;
89 }
90
91 private void choke(Throwable p_throwable,
92 Object p_obj,
93 String p_colName)
94 throws SQLException
95 {
96 throw new SQLException ("while looking for " + p_colName + " on "
97 + p_obj.getClass() + " got " +
98 p_throwable.toString());
99 }
100 } |
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