Coverage Report - org.seasar.cubby.internal.controller.impl.ActionProcessorImpl
 
Classes in this File Line Coverage Branch Coverage Complexity
ActionProcessorImpl
96%
23/24
50%
2/4
0
ActionProcessorImpl$ActionInvocationImpl
90%
18/20
100%
2/2
0
 
 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.ActionContext;
 32  
 import org.seasar.cubby.action.ActionErrors;
 33  
 import org.seasar.cubby.action.ActionException;
 34  
 import org.seasar.cubby.action.ActionResult;
 35  
 import org.seasar.cubby.internal.action.impl.ActionContextImpl;
 36  
 import org.seasar.cubby.internal.action.impl.ActionErrorsImpl;
 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  
  * リクエスト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  
  * @since 1.0.0
 54  
  */
 55  2
 public class ActionProcessorImpl implements ActionProcessor {
 56  
 
 57  
         /** ロガー。 */
 58  1
         private static final Logger logger = LoggerFactory
 59  
                         .getLogger(ActionProcessorImpl.class);
 60  
 
 61  
         /**
 62  
          * {@inheritDoc}
 63  
          */
 64  
         public ActionResultWrapper process(final HttpServletRequest request,
 65  
                         final HttpServletResponse response, final Routing routing)
 66  
                         throws Exception {
 67  
 
 68  1
                 final Method actionMethod = routing.getActionMethod();
 69  1
                 if (logger.isDebugEnabled()) {
 70  1
                         logger.debug(format("DCUB0004", request.getRequestURI()));
 71  1
                         logger.debug(format("DCUB0005", actionMethod));
 72  
                 }
 73  
 
 74  1
                 final Class<?> actionClass = routing.getActionClass();
 75  
 
 76  1
                 final Container container = ProviderFactory
 77  
                                 .get(ContainerProvider.class).getContainer();
 78  
 
 79  1
                 final ActionErrors actionErrors = new ActionErrorsImpl();
 80  1
                 request.setAttribute(ATTR_ERRORS, actionErrors);
 81  
 
 82  1
                 final Map<String, Object> flashMap = new FlashMap<String, Object>(
 83  
                                 request);
 84  1
                 request.setAttribute(ATTR_FLASH, flashMap);
 85  
 
 86  1
                 final Object action = container.lookup(actionClass);
 87  1
                 request.setAttribute(ATTR_ACTION, action);
 88  
 
 89  1
                 final ActionContext actionContext = new ActionContextImpl(action,
 90  
                                 actionClass, actionMethod, actionErrors, flashMap);
 91  1
                 request.setAttribute(ATTR_ACTION_CONTEXT, actionContext);
 92  
 
 93  1
                 actionContext.invokeInitializeMethod();
 94  
 
 95  1
                 final ActionInvocation actionInvocation = new ActionInvocationImpl(
 96  
                                 request, response, actionContext);
 97  1
                 final ActionResult actionResult = actionInvocation.proceed();
 98  1
                 if (actionResult == null) {
 99  0
                         throw new ActionException(format("ECUB0101", actionMethod));
 100  
                 }
 101  
 
 102  1
                 final ActionResultWrapper actionResultWrapper = new ActionResultWrapperImpl(
 103  
                                 actionResult, actionContext);
 104  1
                 return actionResultWrapper;
 105  
         }
 106  
 
 107  
         /**
 108  
          * アクションの実行情報の実装です。
 109  
          * 
 110  
          * @author baba
 111  
          */
 112  2
         static class ActionInvocationImpl implements ActionInvocation {
 113  
 
 114  
                 /** 要求。 */
 115  
                 private final HttpServletRequest request;
 116  
 
 117  
                 /** 応答。 */
 118  
                 private final HttpServletResponse response;
 119  
 
 120  
                 /** アクションのコンテキスト。 */
 121  
                 private final ActionContext actionContext;
 122  
 
 123  
                 /** プラグインのイテレータ。 */
 124  
                 private final Iterator<Plugin> pluginsIterator;
 125  
 
 126  
                 /**
 127  
                  * インスタンス化します。
 128  
                  * 
 129  
                  * @param request
 130  
                  *            要求
 131  
                  * @param response
 132  
                  *            応答
 133  
                  * @param actionContext
 134  
                  *            アクションのコンテキスト
 135  
                  */
 136  
                 public ActionInvocationImpl(final HttpServletRequest request,
 137  
                                 final HttpServletResponse response,
 138  1
                                 final ActionContext actionContext) {
 139  1
                         this.request = request;
 140  1
                         this.response = response;
 141  1
                         this.actionContext = actionContext;
 142  
 
 143  1
                         final PluginRegistry pluginRegistry = PluginRegistry.getInstance();
 144  1
                         this.pluginsIterator = pluginRegistry.getPlugins().iterator();
 145  1
                 }
 146  
 
 147  
                 /**
 148  
                  * {@inheritDoc}
 149  
                  */
 150  
                 public ActionResult proceed() throws Exception {
 151  
                         final ActionResult actionResult;
 152  2
                         if (pluginsIterator.hasNext()) {
 153  1
                                 final Plugin plugin = pluginsIterator.next();
 154  1
                                 actionResult = plugin.invokeAction(this);
 155  1
                         } else {
 156  1
                                 final ActionContext actionContext = getActionContext();
 157  1
                                 final Object action = actionContext.getAction();
 158  1
                                 final Method actionMethod = actionContext.getActionMethod();
 159  1
                                 actionResult = (ActionResult) actionMethod.invoke(action);
 160  
                         }
 161  2
                         return actionResult;
 162  
                 }
 163  
 
 164  
                 /**
 165  
                  * {@inheritDoc}
 166  
                  */
 167  
                 public HttpServletRequest getRequest() {
 168  0
                         return request;
 169  
                 }
 170  
 
 171  
                 /**
 172  
                  * {@inheritDoc}
 173  
                  */
 174  
                 public HttpServletResponse getResponse() {
 175  0
                         return response;
 176  
                 }
 177  
 
 178  
                 /**
 179  
                  * {@inheritDoc}
 180  
                  */
 181  
                 public ActionContext getActionContext() {
 182  1
                         return actionContext;
 183  
                 }
 184  
 
 185  
         }
 186  
 
 187  
 }