blob: 0f8add6e7eff65f777faf769884b264f8637ee95 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.agfa.hap.sdo.mapper;
import java.lang.reflect.Method;
import com.agfa.hap.sdo.Property;
import com.agfa.hap.sdo.Type;
/**
* PropertyAccessorBuilder that uses Java Bean conventions to extract properties from an object.
* @author AMOCZ
*/
public class BeanPropertyAccessorBuilder extends PropertyAccessorBuilder {
public BeanPropertyAccessorBuilder() {
super();
}
public BeanPropertyAccessorBuilder(PropertyAccessorBuilder next) {
super(next);
}
@Override
protected boolean accepts(Class cls, Type type) {
return true;
}
@Override
protected PropertyAccessor createPropertyAccessor(Class cls, Property prop) {
String propertyName = Character.toUpperCase(prop.getName().charAt(0)) + prop.getName().substring(1);
String methodName;
if (prop.getType().getInstanceClass() == Boolean.class) {
if (propertyName.startsWith("Is")){
methodName = prop.getName();
} else {
methodName = "is" + propertyName;
}
} else {
methodName = "get" + propertyName;
}
BeanPropertyAccessor property = prop.isMany() ? new ManyValuedBeanPropertyAccessor() : new BeanPropertyAccessor();
try {
Method method = cls.getMethod(methodName, (Class[]) null);
property.setGetter(method);
method = getSetMethod(cls, propertyName);
property.setSetter(method);
return property;
} catch (NoSuchMethodException e) {
throw new IllegalArgumentException("Can't find property " + prop.getName() + " on class " + cls.getName(), e);
}
}
// we assume there is no type overloading
private Method getSetMethod(Class cls, String propertyName) {
String methodName = "set" + propertyName;
for (Method m : cls.getMethods()) {
if (m.getName().equals(methodName)) {
return m;
}
}
return null;
}
}
|
