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package org.apache.tapestry.services.impl; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.ErrorLog; |
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import org.apache.tapestry.engine.IEngineService; |
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import org.apache.tapestry.services.ServiceMap; |
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33 | 0 | public class ServiceMapImpl implements ServiceMap, EngineServiceSource |
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{ |
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private List _applicationServices; |
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private List _factoryServices; |
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private ErrorLog _errorLog; |
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private Map _services; |
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57 | 0 | private Map _proxies = new HashMap(); |
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public void initializeService() |
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{ |
61 | 0 | Map factoryMap = buildServiceMap(_factoryServices); |
62 | 0 | Map applicationMap = buildServiceMap(_applicationServices); |
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67 | 0 | factoryMap.putAll(applicationMap); |
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69 | 0 | _services = factoryMap; |
70 | 0 | } |
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private Map buildServiceMap(List services) |
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{ |
74 | 0 | Map result = new HashMap(); |
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76 | 0 | Iterator i = services.iterator(); |
77 | 0 | while (i.hasNext()) |
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{ |
79 | 0 | EngineServiceContribution contribution = (EngineServiceContribution) i.next(); |
80 | 0 | String name = contribution.getName(); |
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82 | 0 | EngineServiceContribution existing = (EngineServiceContribution) result.get(name); |
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84 | 0 | if (existing != null) |
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{ |
86 | 0 | _errorLog.error( |
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ImplMessages.dupeService(name, existing), |
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existing.getLocation(), |
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null); |
90 | 0 | continue; |
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} |
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93 | 0 | result.put(name, contribution); |
94 | 0 | } |
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96 | 0 | return result; |
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} |
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public synchronized IEngineService getService(String name) |
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{ |
101 | 0 | IEngineService result = (IEngineService) _proxies.get(name); |
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103 | 0 | if (result == null) |
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{ |
105 | 0 | result = buildProxy(name); |
106 | 0 | _proxies.put(name, result); |
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} |
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109 | 0 | return result; |
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} |
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public boolean isValid(String name) |
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{ |
114 | 0 | return _services.containsKey(name); |
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} |
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public IEngineService resolveEngineService(String name) |
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{ |
123 | 0 | EngineServiceContribution contribution = (EngineServiceContribution) _services.get(name); |
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125 | 0 | if (contribution == null) |
126 | 0 | throw new ApplicationRuntimeException(ImplMessages.noSuchService(name)); |
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128 | 0 | IEngineService service = contribution.getService(); |
129 | 0 | String serviceName = service.getName(); |
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131 | 0 | if (!name.equals(serviceName)) |
132 | 0 | throw new ApplicationRuntimeException(ImplMessages.serviceNameMismatch( |
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service, |
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name, |
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serviceName), contribution.getLocation(), null); |
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137 | 0 | return service; |
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} |
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private IEngineService buildProxy(String name) |
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{ |
142 | 0 | if (!_services.containsKey(name)) |
143 | 0 | throw new ApplicationRuntimeException(ImplMessages.noSuchService(name)); |
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145 | 0 | EngineServiceOuterProxy outer = new EngineServiceOuterProxy(name); |
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147 | 0 | EngineServiceInnerProxy inner = new EngineServiceInnerProxy(name, outer, this); |
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149 | 0 | outer.installDelegate(inner); |
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151 | 0 | return outer; |
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} |
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public void setApplicationServices(List applicationServices) |
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{ |
156 | 0 | _applicationServices = applicationServices; |
157 | 0 | } |
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public void setFactoryServices(List factoryServices) |
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{ |
161 | 0 | _factoryServices = factoryServices; |
162 | 0 | } |
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public void setErrorLog(ErrorLog errorLog) |
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{ |
166 | 0 | _errorLog = errorLog; |
167 | 0 | } |
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} |