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| package org.apache.tapestry.services.impl; |
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| |
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| import java.util.Iterator; |
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| |
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| import javax.servlet.http.HttpServletRequest; |
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| import javax.servlet.http.HttpServletResponse; |
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| |
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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.IEngineService; |
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| import org.apache.tapestry.engine.IMonitor; |
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| import org.apache.tapestry.engine.IMonitorFactory; |
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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.request.RequestContext; |
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| import org.apache.tapestry.services.AbsoluteURLBuilder; |
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| import org.apache.tapestry.services.Infrastructure; |
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| import org.apache.tapestry.services.RequestCycleFactory; |
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| import org.apache.tapestry.services.ServiceConstants; |
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| import org.apache.tapestry.util.QueryParameterMap; |
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| import org.apache.tapestry.web.WebRequest; |
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| public class RequestCycleFactoryImpl implements RequestCycleFactory |
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| { |
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| private ServiceEncoder[] _encoders; |
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| |
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| private IMonitorFactory _monitorFactory; |
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| |
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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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| |
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| private AbsoluteURLBuilder _absoluteURLBuilder; |
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| |
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| private RequestCycleEnvironment _environment; |
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| |
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| private HttpServletRequest _servletRequest; |
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| private HttpServletResponse _servletResponse; |
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| public void initializeService()
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| { |
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| RequestContext context = new RequestContext(_servletRequest, _servletResponse);
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| _environment = new RequestCycleEnvironment(_errorHandler, _infrastructure, context,
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| _strategySource, _absoluteURLBuilder); |
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| } |
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| |
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| public IRequestCycle newRequestCycle(IEngine engine)
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| { |
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| WebRequest request = _infrastructure.getRequest();
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| IMonitor monitor = _monitorFactory.createMonitor(request);
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| QueryParameterMap parameters = extractParameters(request);
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| decodeParameters(request.getActivationPath(), parameters);
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| IEngineService service = findService(parameters);
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| return new RequestCycle(engine, parameters, service, monitor, _environment);
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| } |
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| private IEngineService findService(QueryParameterMap parameters)
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| { |
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| String serviceName = parameters.getParameterValue(ServiceConstants.SERVICE);
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| if (serviceName == null)
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| serviceName = Tapestry.HOME_SERVICE;
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| return _infrastructure.getServiceMap().getService(serviceName);
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| } |
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| private QueryParameterMap extractParameters(WebRequest request)
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| { |
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| QueryParameterMap result = new QueryParameterMap();
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| Iterator i = request.getParameterNames().iterator();
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| while (i.hasNext())
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| { |
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| String name = (String) i.next();
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| String[] values = request.getParameterValues(name);
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| if (values.length == 1)
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| result.setParameterValue(name, values[0]);
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| else |
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| result.setParameterValues(name, values);
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| } |
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| return result;
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| } |
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| private void decodeParameters(String servletPath, QueryParameterMap map)
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| { |
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| ServiceEncodingImpl se = new ServiceEncodingImpl(servletPath, map);
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| for (int i = 0; i < _encoders.length; i++)
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| { |
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| _encoders[i].decode(se);
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| if (se.isModified())
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| return;
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| } |
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| } |
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| public void setEncoders(ServiceEncoder[] encoders)
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| { |
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| _encoders = encoders;
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| } |
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| public void setMonitorFactory(IMonitorFactory monitorFactory)
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| { |
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| _monitorFactory = monitorFactory;
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| } |
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| public void setStrategySource(PropertyPersistenceStrategySource strategySource)
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| { |
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| _strategySource = strategySource;
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| } |
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| public void setErrorHandler(ErrorHandler errorHandler)
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| { |
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| _errorHandler = errorHandler;
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| } |
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| public void setInfrastructure(Infrastructure infrastructure)
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| { |
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| _infrastructure = infrastructure;
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| } |
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| public void setAbsoluteURLBuilder(AbsoluteURLBuilder absoluteURLBuilder)
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| { |
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| _absoluteURLBuilder = absoluteURLBuilder;
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| } |
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| public void setServletRequest(HttpServletRequest servletRequest)
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| { |
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| _servletRequest = servletRequest;
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| } |
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| public void setServletResponse(HttpServletResponse servletResponse)
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| { |
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| _servletResponse = servletResponse;
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| } |
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| } |