|
|||||||||||||||||||
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ServiceMapImpl.java | 100% | 100% | 100% | 100% |
|
1 |
// Copyright 2004, 2005 The Apache Software Foundation
|
|
2 |
//
|
|
3 |
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
4 |
// you may not use this file except in compliance with the License.
|
|
5 |
// You may obtain a copy of the License at
|
|
6 |
//
|
|
7 |
// http://www.apache.org/licenses/LICENSE-2.0
|
|
8 |
//
|
|
9 |
// Unless required by applicable law or agreed to in writing, software
|
|
10 |
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
11 |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
12 |
// See the License for the specific language governing permissions and
|
|
13 |
// limitations under the License.
|
|
14 |
|
|
15 |
package org.apache.tapestry.services.impl;
|
|
16 |
|
|
17 |
import java.util.HashMap;
|
|
18 |
import java.util.Iterator;
|
|
19 |
import java.util.List;
|
|
20 |
import java.util.Map;
|
|
21 |
|
|
22 |
import org.apache.hivemind.ApplicationRuntimeException;
|
|
23 |
import org.apache.hivemind.ErrorLog;
|
|
24 |
import org.apache.tapestry.engine.IEngineService;
|
|
25 |
import org.apache.tapestry.services.ServiceMap;
|
|
26 |
|
|
27 |
/**
|
|
28 |
* Implementation of {@link org.apache.tapestry.services.ServiceMap}
|
|
29 |
*
|
|
30 |
* @author Howard Lewis Ship
|
|
31 |
* @since 4.0
|
|
32 |
*/
|
|
33 |
public class ServiceMapImpl implements ServiceMap, EngineServiceSource |
|
34 |
{ |
|
35 |
/**
|
|
36 |
* List of {@link EngineServiceContribution}.
|
|
37 |
*/
|
|
38 |
private List _applicationServices;
|
|
39 |
|
|
40 |
/**
|
|
41 |
* List of {@link EngineServiceContribution}.
|
|
42 |
*/
|
|
43 |
private List _factoryServices;
|
|
44 |
|
|
45 |
private ErrorLog _errorLog;
|
|
46 |
|
|
47 |
/**
|
|
48 |
* Map of {@link EngineServiceContribution} keyed on String name.
|
|
49 |
*/
|
|
50 |
private Map _services;
|
|
51 |
|
|
52 |
/**
|
|
53 |
* Map of {@link org.apache.tapestry.services.impl.EngineServiceOuterProxy}, keyed on String
|
|
54 |
* name.
|
|
55 |
*/
|
|
56 |
|
|
57 |
private Map _proxies = new HashMap(); |
|
58 |
|
|
59 | 51 |
public void initializeService() |
60 |
{ |
|
61 | 51 |
Map factoryMap = buildServiceMap(_factoryServices); |
62 | 51 |
Map applicationMap = buildServiceMap(_applicationServices); |
63 |
|
|
64 |
// Add services from the applicationMap to factoryMap, overwriting
|
|
65 |
// factoryMap entries with the same name.
|
|
66 |
|
|
67 | 51 |
factoryMap.putAll(applicationMap); |
68 |
|
|
69 | 51 |
_services = factoryMap; |
70 |
} |
|
71 |
|
|
72 | 102 |
private Map buildServiceMap(List services)
|
73 |
{ |
|
74 | 102 |
Map result = new HashMap();
|
75 |
|
|
76 | 102 |
Iterator i = services.iterator(); |
77 | 102 |
while (i.hasNext())
|
78 |
{ |
|
79 | 368 |
EngineServiceContribution contribution = (EngineServiceContribution) i.next(); |
80 | 368 |
String name = contribution.getName(); |
81 |
|
|
82 | 368 |
EngineServiceContribution existing = (EngineServiceContribution) result.get(name); |
83 |
|
|
84 | 368 |
if (existing != null) |
85 |
{ |
|
86 | 1 |
_errorLog.error( |
87 |
ImplMessages.dupeService(name, existing), |
|
88 |
existing.getLocation(), |
|
89 |
null);
|
|
90 | 1 |
continue;
|
91 |
} |
|
92 |
|
|
93 | 367 |
result.put(name, contribution); |
94 |
} |
|
95 |
|
|
96 | 102 |
return result;
|
97 |
} |
|
98 |
|
|
99 | 369 |
public synchronized IEngineService getService(String name) |
100 |
{ |
|
101 | 369 |
IEngineService result = (IEngineService) _proxies.get(name); |
102 |
|
|
103 | 369 |
if (result == null) |
104 |
{ |
|
105 | 167 |
result = buildProxy(name); |
106 | 166 |
_proxies.put(name, result); |
107 |
} |
|
108 |
|
|
109 | 368 |
return result;
|
110 |
} |
|
111 |
|
|
112 |
/**
|
|
113 |
* This returns the actual service, not the outer proxy.
|
|
114 |
*/
|
|
115 |
|
|
116 | 141 |
public IEngineService resolveEngineService(String name)
|
117 |
{ |
|
118 | 141 |
EngineServiceContribution contribution = (EngineServiceContribution) _services.get(name); |
119 |
|
|
120 | 141 |
if (contribution == null) |
121 | 1 |
throw new ApplicationRuntimeException(ImplMessages.noSuchService(name)); |
122 |
|
|
123 | 140 |
IEngineService service = contribution.getService(); |
124 | 140 |
String serviceName = service.getName(); |
125 |
|
|
126 | 140 |
if (!serviceName.equals(name))
|
127 | 1 |
throw new ApplicationRuntimeException(ImplMessages.serviceNameMismatch( |
128 |
service, |
|
129 |
name, |
|
130 |
serviceName), contribution.getLocation(), null);
|
|
131 |
|
|
132 | 139 |
return service;
|
133 |
} |
|
134 |
|
|
135 | 167 |
private IEngineService buildProxy(String name)
|
136 |
{ |
|
137 | 167 |
if (!_services.containsKey(name))
|
138 | 1 |
throw new ApplicationRuntimeException(ImplMessages.noSuchService(name)); |
139 |
|
|
140 | 166 |
EngineServiceOuterProxy outer = new EngineServiceOuterProxy(name);
|
141 |
|
|
142 | 166 |
EngineServiceInnerProxy inner = new EngineServiceInnerProxy(name, outer, this); |
143 |
|
|
144 | 166 |
outer.installDelegate(inner); |
145 |
|
|
146 | 166 |
return outer;
|
147 |
} |
|
148 |
|
|
149 | 51 |
public void setApplicationServices(List applicationServices) |
150 |
{ |
|
151 | 51 |
_applicationServices = applicationServices; |
152 |
} |
|
153 |
|
|
154 | 51 |
public void setFactoryServices(List factoryServices) |
155 |
{ |
|
156 | 51 |
_factoryServices = factoryServices; |
157 |
} |
|
158 |
|
|
159 | 46 |
public void setErrorLog(ErrorLog errorLog) |
160 |
{ |
|
161 | 46 |
_errorLog = errorLog; |
162 |
} |
|
163 |
} |
|