1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
package org.apache.tapestry.services.impl; |
16 |
|
|
17 |
|
import org.apache.hivemind.ApplicationRuntimeException; |
18 |
|
import org.apache.hivemind.ErrorHandler; |
19 |
|
import org.apache.tapestry.IEngine; |
20 |
|
import org.apache.tapestry.IRequestCycle; |
21 |
|
import org.apache.tapestry.Tapestry; |
22 |
|
import org.apache.tapestry.engine.RequestCycle; |
23 |
|
import org.apache.tapestry.engine.RequestCycleEnvironment; |
24 |
|
import org.apache.tapestry.engine.ServiceEncoder; |
25 |
|
import org.apache.tapestry.engine.ServiceEncodingImpl; |
26 |
|
import org.apache.tapestry.record.PropertyPersistenceStrategySource; |
27 |
|
import org.apache.tapestry.services.*; |
28 |
|
import org.apache.tapestry.util.QueryParameterMap; |
29 |
|
import org.apache.tapestry.web.WebRequest; |
30 |
|
|
31 |
|
import java.io.IOException; |
32 |
|
import java.util.Iterator; |
33 |
|
|
34 |
|
|
35 |
|
|
36 |
|
|
37 |
|
|
38 |
|
|
39 |
|
|
40 |
|
|
41 |
0 |
public class RequestCycleFactoryImpl implements RequestCycleFactory |
42 |
|
{ |
43 |
|
private ServiceEncoder[] _encoders; |
44 |
|
|
45 |
|
private PropertyPersistenceStrategySource _strategySource; |
46 |
|
|
47 |
|
private ErrorHandler _errorHandler; |
48 |
|
|
49 |
|
private Infrastructure _infrastructure; |
50 |
|
|
51 |
|
private AbsoluteURLBuilder _absoluteURLBuilder; |
52 |
|
|
53 |
|
private RequestCycleEnvironment _environment; |
54 |
|
|
55 |
|
private RequestGlobals _requestGlobals; |
56 |
|
|
57 |
|
private ResponseDelegateFactory _responseDelegateFactory; |
58 |
|
|
59 |
|
public void initializeService() |
60 |
|
{ |
61 |
0 |
_environment = new RequestCycleEnvironment(_errorHandler, _infrastructure, _strategySource, |
62 |
|
_absoluteURLBuilder); |
63 |
0 |
} |
64 |
|
|
65 |
|
public IRequestCycle newRequestCycle(IEngine engine) |
66 |
|
{ |
67 |
0 |
WebRequest request = _infrastructure.getRequest(); |
68 |
|
|
69 |
0 |
QueryParameterMap parameters = extractParameters(request); |
70 |
|
|
71 |
0 |
decodeParameters(request.getActivationPath(), request.getPathInfo(), parameters); |
72 |
|
|
73 |
0 |
String serviceName = findService(parameters); |
74 |
|
|
75 |
0 |
IRequestCycle cycle = new RequestCycle(engine, parameters, serviceName, _environment); |
76 |
|
|
77 |
0 |
_requestGlobals.store(cycle); |
78 |
|
|
79 |
|
try { |
80 |
|
|
81 |
0 |
_requestGlobals.store(_responseDelegateFactory.getResponseBuilder(cycle)); |
82 |
|
|
83 |
0 |
cycle.setResponseBuilder(_requestGlobals.getResponseBuilder()); |
84 |
|
|
85 |
0 |
} catch (IOException e) { |
86 |
0 |
throw new ApplicationRuntimeException("Error creating response builder.", e); |
87 |
0 |
} |
88 |
|
|
89 |
0 |
return cycle; |
90 |
|
} |
91 |
|
|
92 |
|
private String findService(QueryParameterMap parameters) |
93 |
|
{ |
94 |
0 |
String serviceName = parameters.getParameterValue(ServiceConstants.SERVICE); |
95 |
|
|
96 |
0 |
return serviceName == null ? Tapestry.HOME_SERVICE : serviceName; |
97 |
|
} |
98 |
|
|
99 |
|
|
100 |
|
|
101 |
|
|
102 |
|
|
103 |
|
|
104 |
|
|
105 |
|
private QueryParameterMap extractParameters(WebRequest request) |
106 |
|
{ |
107 |
0 |
QueryParameterMap result = new QueryParameterMap(); |
108 |
|
|
109 |
0 |
Iterator i = request.getParameterNames().iterator(); |
110 |
|
|
111 |
0 |
while (i.hasNext()) |
112 |
|
{ |
113 |
0 |
String name = (String) i.next(); |
114 |
|
|
115 |
0 |
String[] values = request.getParameterValues(name); |
116 |
|
|
117 |
0 |
if (values.length == 1) |
118 |
0 |
result.setParameterValue(name, values[0]); |
119 |
|
else |
120 |
0 |
result.setParameterValues(name, values); |
121 |
0 |
} |
122 |
|
|
123 |
0 |
return result; |
124 |
|
} |
125 |
|
|
126 |
|
private void decodeParameters(String servletPath, String pathInfo, QueryParameterMap map) |
127 |
|
{ |
128 |
0 |
ServiceEncodingImpl se = new ServiceEncodingImpl(servletPath, pathInfo, map); |
129 |
|
|
130 |
0 |
for (int i = 0; i < _encoders.length; i++) |
131 |
|
{ |
132 |
0 |
_encoders[i].decode(se); |
133 |
|
|
134 |
0 |
if (se.isModified()) |
135 |
0 |
return; |
136 |
|
} |
137 |
0 |
} |
138 |
|
|
139 |
|
public void setEncoders(ServiceEncoder[] encoders) |
140 |
|
{ |
141 |
0 |
_encoders = encoders; |
142 |
0 |
} |
143 |
|
|
144 |
|
public void setStrategySource(PropertyPersistenceStrategySource strategySource) |
145 |
|
{ |
146 |
0 |
_strategySource = strategySource; |
147 |
0 |
} |
148 |
|
|
149 |
|
public void setErrorHandler(ErrorHandler errorHandler) |
150 |
|
{ |
151 |
0 |
_errorHandler = errorHandler; |
152 |
0 |
} |
153 |
|
|
154 |
|
public void setInfrastructure(Infrastructure infrastructure) |
155 |
|
{ |
156 |
0 |
_infrastructure = infrastructure; |
157 |
0 |
} |
158 |
|
|
159 |
|
public void setAbsoluteURLBuilder(AbsoluteURLBuilder absoluteURLBuilder) |
160 |
|
{ |
161 |
0 |
_absoluteURLBuilder = absoluteURLBuilder; |
162 |
0 |
} |
163 |
|
|
164 |
|
public void setRequestGlobals(RequestGlobals requestGlobals) |
165 |
|
{ |
166 |
0 |
_requestGlobals = requestGlobals; |
167 |
0 |
} |
168 |
|
|
169 |
|
|
170 |
|
|
171 |
|
|
172 |
|
public void setResponseDelegateFactory(ResponseDelegateFactory responseDelegate) |
173 |
|
{ |
174 |
0 |
_responseDelegateFactory = responseDelegate; |
175 |
0 |
} |
176 |
|
|
177 |
|
|
178 |
|
|
179 |
|
|
180 |
|
public ResponseDelegateFactory getResponseDelegateFactory() |
181 |
|
{ |
182 |
0 |
return _responseDelegateFactory; |
183 |
|
} |
184 |
|
} |