blob: 0a478269bb29cdd6a80662c2aafc4bd48f9c466b (
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
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
|
/**
*
* 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.container.groovy.invoker;
import java.lang.reflect.InvocationTargetException;
import org.apache.tuscany.core.context.AtomicContext;
import org.apache.tuscany.core.context.ScopeContext;
import org.apache.tuscany.core.message.Message;
import org.apache.tuscany.core.wire.Interceptor;
import org.apache.tuscany.core.wire.TargetInvoker;
/**
* Groovy target invoker.
*
*/
public class GroovyInvoker implements TargetInvoker, Cloneable {
// SCope context
private ScopeContext scopeContext;
// Srevice name
private String serviceName;
// Method name
private String methodName;
/**
* Initializes the invoker.
*
* @param scopeContext SCope context.
* @param serviceName Service name.
* @param methodName Method name.
*/
public GroovyInvoker(ScopeContext scopeContext, String serviceName, String methodName) {
this.scopeContext = scopeContext;
this.serviceName = serviceName;
this.methodName = methodName;
}
/**
* Invokes the target.
*/
public Object invokeTarget(Object payload) throws InvocationTargetException {
AtomicContext atomicContext = (AtomicContext)scopeContext.getContext(serviceName);
GroovyScript groovyScript = (GroovyScript)atomicContext.getTargetInstance();
Object[] args = (Object[])payload;
try {
return groovyScript.runScript(methodName, args);
} catch(Exception ex) {
throw new InvocationTargetException(ex);
}
}
/**
* Whether the invoker is cacheable.
*/
public boolean isCacheable() {
return false;
}
/**
* Invokes the servce.
*/
public Message invoke(Message msg) {
try {
Object resp = invokeTarget(msg.getBody());
msg.setBody(resp);
} catch (InvocationTargetException e) {
msg.setBody(e.getCause());
} catch (Throwable e) {
msg.setBody(e);
}
return msg;
}
/**
* Sets interceptor.
*/
public void setNext(Interceptor next) {
}
/**
* Implementations must support deep cloning
*/
public Object clone() {
return new GroovyInvoker(scopeContext, serviceName, methodName);
}
}
|
