Clover coverage report - JFox Service-Oriented Application Framework - 1.0-RC3 Coverage timestamp: 星期三 二月 15 2006 18:10:22 CST FRAMES NO FRAMES |
file stats: | LOC: | 137 |  | Methods: | 3
| NCLOC: | 44 |  | Classes: | 1
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Source file | Conditionals | Statements | Methods | TOTAL
ActionFactory.java | 0% | 0% | 0% | 0% |

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     /**
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      * @(#)ActionFactory.java
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      *
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      * JFoxSOAF, Service-Oriented Application Framework
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      *
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      * Copyright(c) JFoxSOAF Team
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      *
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      * Licensed under the GNU LGPL, Version 2.1 (the "License");
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      * you may not use this file except in compliance with the License.
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      * You may obtain a copy of the License at
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      *
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      * http://www.gnu.org/copyleft/lesser.html
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      *
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      * Unless required by applicable law or agreed to in writing, software
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      * distributed under the License is distributed on an "AS IS" BASIS,
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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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      * See the License for the specific language governing permissions and
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      * limitations under the License.
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      *
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      * For more information, please visit:
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      * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
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      * http://www.huihoo.org/jfox/jfoxsoaf
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      */
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     package org.huihoo.jfox.soaf.services.useraccess.struts;
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     import java.util.HashMap;
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     import java.util.Map;
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     import javax.servlet.http.HttpServletRequest;
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     import org.apache.struts.action.Action;
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     import org.apache.struts.action.ActionMapping;
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     import org.apache.struts.action.ActionServlet;
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     import org.huihoo.jfox.soaf.container.ServiceFactory;
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     import org.picocontainer.PicoInitializationException;
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     import org.picocontainer.PicoIntrospectionException;
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     /**
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      * Uses PicoContainer to produce Actions and inject dependencies into them.
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      * If you have your own <code>RequestProcessor</code> implementation, you can use an
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      * <code>ActionFactory</code> in your <code>RequestProcessor.processActionCreate</code>
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      * method to Picofy your Actions.
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      *
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      * @author Stephen Molitor
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      * @author Mauro Talevi
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      * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
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      * @version $Revision: 1.1 $ $Date: 2006/02/15 08:45:44 $
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      * @version Revision: 1.0
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      */
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     public class ActionFactory {
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         private ServiceFactory sf = ServiceFactory.getInstance();
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         private Map classCache = new HashMap();
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         /**
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          * Gets the <code>Action</code> specified by the mapping type from a
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          * PicoContainer. The action will be instantiated if necessary, and its
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          * dependencies will be injected. The action will be instantiated via a
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          * special PicoContainer that just contains actions. If this container
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          * already exists in the request attribute, this method will use it. If no
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          * such container exists, this method will create a new Pico container and
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          * place it in the request. The parent container will either be the request
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          * container, or if that container can not be found the session container,
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          * or if that container can not be found, the application container. If no
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          * parent container can be found, a <code>PicoInitializationException</code>
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          * will be thrown. The action path specified in the mapping is used as the
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          * component key for the action.
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          *
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          * @param request
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          *            the Http servlet request.
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          * @param mapping
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          *            the Struts mapping object, whose type property tells us what
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          *            Action class is required.
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          * @param servlet
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          *            the Struts <code>ActionServlet</code>.
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          * @return the <code>Action</code> instance.
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          * @throws PicoIntrospectionException
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          *             if the mapping type does not specify a valid action.
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          * @throws PicoInitializationException
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          *             if no request, session, or application scoped Pico container
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          *             can be found.
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          *
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          */
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         public Action processAction(HttpServletRequest request,
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                 ActionMapping mapping, ActionServlet servlet)
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                 throws PicoIntrospectionException, PicoInitializationException {
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             Object actionKey = mapping.getPath();
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             Class actionType = getActionClass(mapping.getType());
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             Action action = (Action) sf.getService(actionKey);
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             if (action == null) {
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                 sf.registerService(actionKey, actionType);
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                 action = (Action) sf.getService(actionKey);
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             }
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             action.setServlet(servlet);
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             return action;
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         }
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         /**
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          * Load class.
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          *
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          * @param className
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          * @return the class
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          * @throws PicoIntrospectionException
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          */
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         private Class getActionClass(String className) throws PicoIntrospectionException {
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             try {
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                 return loadClass(className);
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             } catch (ClassNotFoundException e) {
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                 throw new PicoIntrospectionException("Action class '" + className + "' not found", e);
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             }
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         }
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         /**
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          * Load class with given name.
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          *
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          * @param className
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          * @return the class
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          * @throws ClassNotFoundException
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          */
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         private Class loadClass(String className) throws ClassNotFoundException {
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             if (classCache.containsKey(className)) {
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                 return (Class) classCache.get(className);
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             } else {
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                 ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
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                 Class result = classLoader.loadClass(className);
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                 classCache.put(className, result);
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                 return result;
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             }
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         }
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     }
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