Coverage Report - org.seasar.cubby.internal.controller.impl.ActionProcessorImpl
 
Classes in this File Line Coverage Branch Coverage Complexity
ActionProcessorImpl
83%
25/30
50%
3/6
1.714
ActionProcessorImpl$ActionInvocationImpl
90%
18/20
100%
2/2
1.714
 
 1  
 /*
 2  
  * Copyright 2004-2009 the Seasar Foundation and the Others.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 13  
  * either express or implied. See the License for the specific language
 14  
  * governing permissions and limitations under the License.
 15  
  */
 16  
 package org.seasar.cubby.internal.controller.impl;
 17  
 
 18  
 import static org.seasar.cubby.CubbyConstants.ATTR_ACTION;
 19  
 import static org.seasar.cubby.CubbyConstants.ATTR_ACTION_CONTEXT;
 20  
 import static org.seasar.cubby.CubbyConstants.ATTR_ERRORS;
 21  
 import static org.seasar.cubby.CubbyConstants.ATTR_FLASH;
 22  
 import static org.seasar.cubby.internal.util.LogMessages.format;
 23  
 
 24  
 import java.lang.reflect.Method;
 25  
 import java.util.Iterator;
 26  
 import java.util.Map;
 27  
 
 28  
 import javax.servlet.http.HttpServletRequest;
 29  
 import javax.servlet.http.HttpServletResponse;
 30  
 
 31  
 import org.seasar.cubby.action.Action;
 32  
 import org.seasar.cubby.action.ActionContext;
 33  
 import org.seasar.cubby.action.ActionErrors;
 34  
 import org.seasar.cubby.action.ActionException;
 35  
 import org.seasar.cubby.action.ActionResult;
 36  
 import org.seasar.cubby.action.FlashMap;
 37  
 import org.seasar.cubby.internal.controller.ActionProcessor;
 38  
 import org.seasar.cubby.internal.controller.ActionResultWrapper;
 39  
 import org.seasar.cubby.plugin.ActionInvocation;
 40  
 import org.seasar.cubby.plugin.Plugin;
 41  
 import org.seasar.cubby.plugin.PluginRegistry;
 42  
 import org.seasar.cubby.routing.Routing;
 43  
 import org.seasar.cubby.spi.ContainerProvider;
 44  
 import org.seasar.cubby.spi.ProviderFactory;
 45  
 import org.seasar.cubby.spi.container.Container;
 46  
 import org.slf4j.Logger;
 47  
 import org.slf4j.LoggerFactory;
 48  
 
 49  
 /**
 50  
  * 要求のパスを元にアクションメソッドを決定して実行するクラスの実装です。
 51  
  * 
 52  
  * @author baba
 53  
  */
 54  2
 public class ActionProcessorImpl implements ActionProcessor {
 55  
 
 56  
         /** ロガー。 */
 57  1
         private static final Logger logger = LoggerFactory
 58  
                         .getLogger(ActionProcessorImpl.class);
 59  
 
 60  
         /**
 61  
          * {@inheritDoc}
 62  
          */
 63  
         public ActionResultWrapper process(final HttpServletRequest request,
 64  
                         final HttpServletResponse response, final Routing routing)
 65  
                         throws Exception {
 66  
 
 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));
 71  
                 }
 72  
 
 73  1
                 final Class<?> actionClass = routing.getActionClass();
 74  
 
 75  1
                 final Container container = ProviderFactory
 76  
                                 .get(ContainerProvider.class).getContainer();
 77  
 
 78  1
                 final Object action = container.lookup(actionClass);
 79  1
                 request.setAttribute(ATTR_ACTION, action);
 80  
 
 81  1
                 final ActionErrors actionErrors = container.lookup(ActionErrors.class);
 82  1
                 request.setAttribute(ATTR_ERRORS, actionErrors);
 83  
 
 84  1
                 final FlashMap flashMap = container.lookup(FlashMap.class);
 85  1
                 request.setAttribute(ATTR_FLASH, flashMap);
 86  
 
 87  1
                 final ActionContext actionContext = container
 88  
                                 .lookup(ActionContext.class);
 89  1
                 actionContext.initialize(action, actionClass, actionMethod,
 90  
                                 actionErrors, flashMap);
 91  1
                 request.setAttribute(ATTR_ACTION_CONTEXT, actionContext);
 92  
 
 93  1
                 if (action instanceof Action) {
 94  0
                         initializeAction((Action) action, actionErrors, flashMap);
 95  
                 }
 96  
 
 97  1
                 actionContext.invokeInitializeMethod();
 98  
 
 99  1
                 final ActionInvocation actionInvocation = new ActionInvocationImpl(
 100  
                                 request, response, actionContext);
 101  1
                 final ActionResult actionResult = actionInvocation.proceed();
 102  1
                 if (actionResult == null) {
 103  0
                         throw new ActionException(format("ECUB0101", actionMethod));
 104  
                 }
 105  
 
 106  1
                 final ActionResultWrapper actionResultWrapper = new ActionResultWrapperImpl(
 107  
                                 actionResult, actionContext);
 108  1
                 return actionResultWrapper;
 109  
         }
 110  
 
 111  
         private void initializeAction(final Action action,
 112  
                         final ActionErrors actionErrors, final Map<String, Object> flashMap) {
 113  0
                 action.setErrors(actionErrors);
 114  0
                 action.setFlash(flashMap);
 115  0
         }
 116  
 
 117  
         /**
 118  
          * アクションの実行情報の実装です。
 119  
          * 
 120  
          * @author baba
 121  
          */
 122  2
         static class ActionInvocationImpl implements ActionInvocation {
 123  
 
 124  
                 /** 要求。 */
 125  
                 private final HttpServletRequest request;
 126  
 
 127  
                 /** 応答。 */
 128  
                 private final HttpServletResponse response;
 129  
 
 130  
                 /** アクションのコンテキスト。 */
 131  
                 private final ActionContext actionContext;
 132  
 
 133  
                 /** プラグインのイテレータ。 */
 134  
                 private final Iterator<Plugin> pluginsIterator;
 135  
 
 136  
                 /**
 137  
                  * インスタンス化します。
 138  
                  * 
 139  
                  * @param request
 140  
                  *            要求
 141  
                  * @param response
 142  
                  *            応答
 143  
                  * @param actionContext
 144  
                  *            アクションのコンテキスト
 145  
                  */
 146  
                 public ActionInvocationImpl(final HttpServletRequest request,
 147  
                                 final HttpServletResponse response,
 148  1
                                 final ActionContext actionContext) {
 149  1
                         this.request = request;
 150  1
                         this.response = response;
 151  1
                         this.actionContext = actionContext;
 152  
 
 153  1
                         final PluginRegistry pluginRegistry = PluginRegistry.getInstance();
 154  1
                         this.pluginsIterator = pluginRegistry.getPlugins().iterator();
 155  1
                 }
 156  
 
 157  
                 /**
 158  
                  * {@inheritDoc}
 159  
                  */
 160  
                 public ActionResult proceed() throws Exception {
 161  
                         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);
 170  
                         }
 171  2
                         return actionResult;
 172  
                 }
 173  
 
 174  
                 /**
 175  
                  * {@inheritDoc}
 176  
                  */
 177  
                 public HttpServletRequest getRequest() {
 178  0
                         return request;
 179  
                 }
 180  
 
 181  
                 /**
 182  
                  * {@inheritDoc}
 183  
                  */
 184  
                 public HttpServletResponse getResponse() {
 185  0
                         return response;
 186  
                 }
 187  
 
 188  
                 /**
 189  
                  * {@inheritDoc}
 190  
                  */
 191  
                 public ActionContext getActionContext() {
 192  1
                         return actionContext;
 193  
                 }
 194  
 
 195  
         }
 196  
 
 197  
 }