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16 package net.sf.cglib.beans;
17
18 import java.lang.reflect.Constructor  ;
19 import java.lang.reflect.Method ;
20 import java.lang.reflect.Modifier ;
21 import java.util.*;
22 import net.sf.cglib.core.*;
23 import org.objectweb.asm.ClassVisitor;
24
25
28 abstract public class BulkBean
29 {
30 private static final BulkBeanKey KEY_FACTORY =
31 (BulkBeanKey)KeyFactory.create(BulkBeanKey.class);
32
33 interface BulkBeanKey {
34 public Object newInstance(String target, String [] getters, String [] setters, String [] types);
35 }
36
37 protected Class target;
38 protected String [] getters, setters;
39 protected Class [] types;
40
41 protected BulkBean() { }
42
43 abstract public void getPropertyValues(Object bean, Object [] values);
44 abstract public void setPropertyValues(Object bean, Object [] values);
45
46 public Object [] getPropertyValues(Object bean) {
47 Object [] values = new Object [getters.length];
48 getPropertyValues(bean, values);
49 return values;
50 }
51
52 public Class [] getPropertyTypes() {
53 return (Class [])types.clone();
54 }
55
56 public String [] getGetters() {
57 return (String [])getters.clone();
58 }
59
60 public String [] getSetters() {
61 return (String [])setters.clone();
62 }
63
64 public static BulkBean create(Class target, String [] getters, String [] setters, Class [] types) {
65 Generator gen = new Generator();
66 gen.setTarget(target);
67 gen.setGetters(getters);
68 gen.setSetters(setters);
69 gen.setTypes(types);
70 return gen.create();
71 }
72
73 public static class Generator extends AbstractClassGenerator {
74 private static final Source SOURCE = new Source(BulkBean.class.getName());
75 private Class target;
76 private String [] getters;
77 private String [] setters;
78 private Class [] types;
79
80 public Generator() {
81 super(SOURCE);
82 }
83
84 public void setTarget(Class target) {
85 this.target = target;
86 }
87
88 public void setGetters(String [] getters) {
89 this.getters = getters;
90 }
91
92 public void setSetters(String [] setters) {
93 this.setters = setters;
94 }
95
96 public void setTypes(Class [] types) {
97 this.types = types;
98 }
99
100 protected ClassLoader getDefaultClassLoader() {
101 return target.getClassLoader();
102 }
103
104 public BulkBean create() {
105 setNamePrefix(target.getName());
106 String targetClassName = target.getName();
107 String [] typeClassNames = ReflectUtils.getNames(types);
108 Object key = KEY_FACTORY.newInstance(targetClassName, getters, setters, typeClassNames);
109 return (BulkBean)super.create(key);
110 }
111
112 public void generateClass(ClassVisitor v) throws Exception {
113 new BulkBeanEmitter(v, getClassName(), target, getters, setters, types);
114 }
115
116 protected Object firstInstance(Class type) {
117 BulkBean instance = (BulkBean)ReflectUtils.newInstance(type);
118 instance.target = target;
119
120 int length = getters.length;
121 instance.getters = new String [length];
122 System.arraycopy(getters, 0, instance.getters, 0, length);
123
124 instance.setters = new String [length];
125 System.arraycopy(setters, 0, instance.setters, 0, length);
126
127 instance.types = new Class [types.length];
128 System.arraycopy(types, 0, instance.types, 0, types.length);
129
130 return instance;
131 }
132
133 protected Object nextInstance(Object instance) {
134 return instance;
135 }
136 }
137 }
138 |
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