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package org.apache.tapestry.services.impl; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.ErrorHandler; |
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import org.apache.tapestry.IEngine; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.Tapestry; |
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import org.apache.tapestry.engine.RequestCycle; |
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import org.apache.tapestry.engine.RequestCycleEnvironment; |
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import org.apache.tapestry.engine.ServiceEncoder; |
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import org.apache.tapestry.engine.ServiceEncodingImpl; |
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import org.apache.tapestry.record.PropertyPersistenceStrategySource; |
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import org.apache.tapestry.services.*; |
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import org.apache.tapestry.util.QueryParameterMap; |
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import org.apache.tapestry.web.WebRequest; |
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import java.io.IOException; |
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import java.util.Iterator; |
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41 | 0 | public class RequestCycleFactoryImpl implements RequestCycleFactory |
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{ |
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private ServiceEncoder[] _encoders; |
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private PropertyPersistenceStrategySource _strategySource; |
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private ErrorHandler _errorHandler; |
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private Infrastructure _infrastructure; |
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private AbsoluteURLBuilder _absoluteURLBuilder; |
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private RequestCycleEnvironment _environment; |
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private RequestGlobals _requestGlobals; |
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private ResponseDelegateFactory _responseDelegateFactory; |
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public void initializeService() |
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{ |
61 | 0 | _environment = new RequestCycleEnvironment(_errorHandler, _infrastructure, _strategySource, |
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_absoluteURLBuilder); |
63 | 0 | } |
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public IRequestCycle newRequestCycle(IEngine engine) |
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{ |
67 | 0 | WebRequest request = _infrastructure.getRequest(); |
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69 | 0 | QueryParameterMap parameters = extractParameters(request); |
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71 | 0 | decodeParameters(request.getActivationPath(), request.getPathInfo(), parameters); |
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73 | 0 | String serviceName = findService(parameters); |
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75 | 0 | IRequestCycle cycle = new RequestCycle(engine, parameters, serviceName, _environment); |
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77 | 0 | _requestGlobals.store(cycle); |
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try { |
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81 | 0 | _requestGlobals.store(_responseDelegateFactory.getResponseBuilder(cycle)); |
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83 | 0 | cycle.setResponseBuilder(_requestGlobals.getResponseBuilder()); |
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85 | 0 | } catch (IOException e) { |
86 | 0 | throw new ApplicationRuntimeException("Error creating response builder.", e); |
87 | 0 | } |
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89 | 0 | return cycle; |
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} |
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private String findService(QueryParameterMap parameters) |
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{ |
94 | 0 | String serviceName = parameters.getParameterValue(ServiceConstants.SERVICE); |
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96 | 0 | return serviceName == null ? Tapestry.HOME_SERVICE : serviceName; |
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} |
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private QueryParameterMap extractParameters(WebRequest request) |
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{ |
107 | 0 | QueryParameterMap result = new QueryParameterMap(); |
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109 | 0 | Iterator i = request.getParameterNames().iterator(); |
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111 | 0 | while (i.hasNext()) |
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{ |
113 | 0 | String name = (String) i.next(); |
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115 | 0 | String[] values = request.getParameterValues(name); |
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117 | 0 | if (values.length == 1) |
118 | 0 | result.setParameterValue(name, values[0]); |
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else |
120 | 0 | result.setParameterValues(name, values); |
121 | 0 | } |
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123 | 0 | return result; |
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} |
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private void decodeParameters(String servletPath, String pathInfo, QueryParameterMap map) |
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{ |
128 | 0 | ServiceEncodingImpl se = new ServiceEncodingImpl(servletPath, pathInfo, map); |
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|
130 | 0 | for (int i = 0; i < _encoders.length; i++) |
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{ |
132 | 0 | _encoders[i].decode(se); |
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134 | 0 | if (se.isModified()) |
135 | 0 | return; |
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} |
137 | 0 | } |
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public void setEncoders(ServiceEncoder[] encoders) |
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{ |
141 | 0 | _encoders = encoders; |
142 | 0 | } |
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public void setStrategySource(PropertyPersistenceStrategySource strategySource) |
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{ |
146 | 0 | _strategySource = strategySource; |
147 | 0 | } |
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public void setErrorHandler(ErrorHandler errorHandler) |
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{ |
151 | 0 | _errorHandler = errorHandler; |
152 | 0 | } |
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public void setInfrastructure(Infrastructure infrastructure) |
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{ |
156 | 0 | _infrastructure = infrastructure; |
157 | 0 | } |
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public void setAbsoluteURLBuilder(AbsoluteURLBuilder absoluteURLBuilder) |
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{ |
161 | 0 | _absoluteURLBuilder = absoluteURLBuilder; |
162 | 0 | } |
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public void setRequestGlobals(RequestGlobals requestGlobals) |
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{ |
166 | 0 | _requestGlobals = requestGlobals; |
167 | 0 | } |
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public void setResponseDelegateFactory(ResponseDelegateFactory responseDelegate) |
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{ |
174 | 0 | _responseDelegateFactory = responseDelegate; |
175 | 0 | } |
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public ResponseDelegateFactory getResponseDelegateFactory() |
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{ |
182 | 0 | return _responseDelegateFactory; |
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} |
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} |