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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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 org.apache.tuscany.core.config.processor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Collection;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.core.config.InvalidSetterException;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.model.assembly.AssemblyFactory;
import org.apache.tuscany.model.assembly.ComponentType;
import org.apache.tuscany.model.assembly.Multiplicity;
import org.apache.tuscany.model.assembly.Reference;
import org.apache.tuscany.model.assembly.ServiceContract;
import org.osoa.sca.annotations.Scope;
/**
* Processes the {@link org.osoa.sca.annotations.Reference} annotation
*
* @version $$Rev$$ $$Date$$
*/
@Scope("MODULE")
public class ReferenceProcessor extends ImplementationProcessorSupport {
public ReferenceProcessor() {
}
public ReferenceProcessor(AssemblyFactory factory) {
super(factory);
}
@Override
public void visitMethod(Method method, ComponentType type) throws ConfigurationLoadException {
if(method.getDeclaringClass().equals(Object.class)){
return;
}
int modifiers = method.getModifiers();
org.osoa.sca.annotations.Reference annotation = method.getAnnotation(org.osoa.sca.annotations.Reference.class);
if (annotation != null) {
if (!Modifier.isPublic(modifiers)) {
InvalidSetterException e = new InvalidSetterException("Reference setter method is not public");
e.setIdentifier(method.getName());
throw e;
}
if (!Void.TYPE.equals(method.getReturnType())) {
InvalidSetterException e = new InvalidSetterException("Refence setter method must return void");
e.setIdentifier(method.toString());
throw e;
}
Class<?>[] params = method.getParameterTypes();
if (params.length != 1) {
InvalidSetterException e = new InvalidSetterException("Reference setter method must have one parameter");
e.setIdentifier(method.toString());
throw e;
}
String name = annotation.name();
if (name.length() == 0) {
name = method.getName();
if (name.length() > 3 && name.startsWith("set")) {
// follow JavaBeans conventions
name = JavaIntrospectionHelper.toPropertyName(name);
}
}
addReference(name, params[0], annotation.required(), type);
}
}
@Override
public void visitField(Field field, ComponentType type) throws ConfigurationLoadException {
if(field.getDeclaringClass().equals(Object.class)){
return;
}
int modifiers = field.getModifiers();
org.osoa.sca.annotations.Reference annotation = field.getAnnotation(org.osoa.sca.annotations.Reference.class);
if (annotation != null) {
if (!Modifier.isPublic(modifiers) && !Modifier.isProtected(modifiers)) {
InvalidSetterException e = new InvalidSetterException("Reference field is not public or protected");
e.setIdentifier(field.getName());
throw e;
}
String name = annotation.name();
if (name.length() == 0) {
name = field.getName();
}
addReference(name, field.getType(), annotation.required(), type);
}
}
private void addReference(String name, Class<?> paramType, boolean required, ComponentType type) {
Reference reference = factory.createReference();
reference.setName(name);
ServiceContract contract = factory.createJavaServiceContract();
contract.setInterface(paramType);
reference.setServiceContract(contract);
boolean many = paramType.isArray() || Collection.class.isAssignableFrom(paramType);
Multiplicity multiplicity;
if (required)
multiplicity = many ? Multiplicity.ONE_N : Multiplicity.ONE_ONE;
else
multiplicity = many ? Multiplicity.ZERO_N : Multiplicity.ZERO_ONE;
reference.setMultiplicity(multiplicity);
type.getReferences().add(reference);
}
}
|
