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package org.seasar.cubby.internal.controller.impl; |
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import static org.seasar.cubby.CubbyConstants.ATTR_ACTION; |
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import static org.seasar.cubby.CubbyConstants.ATTR_ACTION_CONTEXT; |
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import static org.seasar.cubby.CubbyConstants.ATTR_ERRORS; |
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import static org.seasar.cubby.CubbyConstants.ATTR_FLASH; |
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import static org.seasar.cubby.internal.util.LogMessages.format; |
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import java.lang.reflect.Method; |
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import java.util.Iterator; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import org.seasar.cubby.action.Action; |
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import org.seasar.cubby.action.ActionContext; |
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import org.seasar.cubby.action.ActionErrors; |
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import org.seasar.cubby.action.ActionException; |
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import org.seasar.cubby.action.ActionResult; |
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import org.seasar.cubby.action.FlashMap; |
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import org.seasar.cubby.internal.controller.ActionProcessor; |
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import org.seasar.cubby.internal.controller.ActionResultWrapper; |
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import org.seasar.cubby.plugin.ActionInvocation; |
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import org.seasar.cubby.plugin.Plugin; |
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import org.seasar.cubby.plugin.PluginRegistry; |
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import org.seasar.cubby.routing.Routing; |
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import org.seasar.cubby.spi.ContainerProvider; |
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import org.seasar.cubby.spi.ProviderFactory; |
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import org.seasar.cubby.spi.container.Container; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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54 | 2 | public class ActionProcessorImpl implements ActionProcessor { |
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57 | 1 | private static final Logger logger = LoggerFactory |
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.getLogger(ActionProcessorImpl.class); |
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public ActionResultWrapper process(final HttpServletRequest request, |
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final HttpServletResponse response, final Routing routing) |
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throws Exception { |
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67 | 1 | final Method actionMethod = routing.getActionMethod(); |
68 | 1 | if (logger.isDebugEnabled()) { |
69 | 1 | logger.debug(format("DCUB0004", request.getRequestURI())); |
70 | 1 | logger.debug(format("DCUB0005", actionMethod)); |
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} |
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73 | 1 | final Class<?> actionClass = routing.getActionClass(); |
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75 | 1 | final Container container = ProviderFactory |
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.get(ContainerProvider.class).getContainer(); |
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78 | 1 | final Object action = container.lookup(actionClass); |
79 | 1 | request.setAttribute(ATTR_ACTION, action); |
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81 | 1 | final ActionErrors actionErrors = container.lookup(ActionErrors.class); |
82 | 1 | request.setAttribute(ATTR_ERRORS, actionErrors); |
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84 | 1 | final FlashMap flashMap = container.lookup(FlashMap.class); |
85 | 1 | request.setAttribute(ATTR_FLASH, flashMap); |
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87 | 1 | final ActionContext actionContext = container |
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.lookup(ActionContext.class); |
89 | 1 | actionContext.initialize(action, actionClass, actionMethod, |
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actionErrors, flashMap); |
91 | 1 | request.setAttribute(ATTR_ACTION_CONTEXT, actionContext); |
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93 | 1 | if (action instanceof Action) { |
94 | 0 | initializeAction((Action) action, actionErrors, flashMap); |
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} |
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97 | 1 | actionContext.invokeInitializeMethod(); |
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99 | 1 | final ActionInvocation actionInvocation = new ActionInvocationImpl( |
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request, response, actionContext); |
101 | 1 | final ActionResult actionResult = actionInvocation.proceed(); |
102 | 1 | if (actionResult == null) { |
103 | 0 | throw new ActionException(format("ECUB0101", actionMethod)); |
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} |
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106 | 1 | final ActionResultWrapper actionResultWrapper = new ActionResultWrapperImpl( |
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actionResult, actionContext); |
108 | 1 | return actionResultWrapper; |
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} |
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private void initializeAction(final Action action, |
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final ActionErrors actionErrors, final Map<String, Object> flashMap) { |
113 | 0 | action.setErrors(actionErrors); |
114 | 0 | action.setFlash(flashMap); |
115 | 0 | } |
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122 | 2 | static class ActionInvocationImpl implements ActionInvocation { |
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private final HttpServletRequest request; |
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private final HttpServletResponse response; |
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private final ActionContext actionContext; |
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private final Iterator<Plugin> pluginsIterator; |
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public ActionInvocationImpl(final HttpServletRequest request, |
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final HttpServletResponse response, |
148 | 1 | final ActionContext actionContext) { |
149 | 1 | this.request = request; |
150 | 1 | this.response = response; |
151 | 1 | this.actionContext = actionContext; |
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153 | 1 | final PluginRegistry pluginRegistry = PluginRegistry.getInstance(); |
154 | 1 | this.pluginsIterator = pluginRegistry.getPlugins().iterator(); |
155 | 1 | } |
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public ActionResult proceed() throws Exception { |
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final ActionResult actionResult; |
162 | 2 | if (pluginsIterator.hasNext()) { |
163 | 1 | final Plugin plugin = pluginsIterator.next(); |
164 | 1 | actionResult = plugin.invokeAction(this); |
165 | 1 | } else { |
166 | 1 | final ActionContext actionContext = getActionContext(); |
167 | 1 | final Object action = actionContext.getAction(); |
168 | 1 | final Method actionMethod = actionContext.getActionMethod(); |
169 | 1 | actionResult = (ActionResult) actionMethod.invoke(action); |
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} |
171 | 2 | return actionResult; |
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} |
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public HttpServletRequest getRequest() { |
178 | 0 | return request; |
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} |
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public HttpServletResponse getResponse() { |
185 | 0 | return response; |
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} |
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public ActionContext getActionContext() { |
192 | 1 | return actionContext; |
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} |
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} |
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} |