JFox Service-Oriented Application Framework

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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ActionFactory.java

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

1		/**
2		* @(#)ActionFactory.java
3		*
4		* JFoxSOAF, Service-Oriented Application Framework
5		*
6		* Copyright(c) JFoxSOAF Team
7		*
8		* Licensed under the GNU LGPL, Version 2.1 (the "License");
9		* you may not use this file except in compliance with the License.
10		* You may obtain a copy of the License at
11		*
12		* http://www.gnu.org/copyleft/lesser.html
13		*
14		* Unless required by applicable law or agreed to in writing, software
15		* distributed under the License is distributed on an "AS IS" BASIS,
16		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17		* See the License for the specific language governing permissions and
18		* limitations under the License.
19		*
20		* For more information, please visit:
21		* http://www.jfox.cn/confluence/display/JFoxSOAF/Home
22		* http://www.huihoo.org/jfox/jfoxsoaf
23		*/
24
25		package org.huihoo.jfox.soaf.services.useraccess.struts;
26
27		import java.util.HashMap;
28		import java.util.Map;
29
30		import javax.servlet.http.HttpServletRequest;
31
32		import org.apache.struts.action.Action;
33		import org.apache.struts.action.ActionMapping;
34		import org.apache.struts.action.ActionServlet;
35		import org.huihoo.jfox.soaf.container.ServiceFactory;
36		import org.picocontainer.PicoInitializationException;
37		import org.picocontainer.PicoIntrospectionException;
38
39		/**
40		* Uses PicoContainer to produce Actions and inject dependencies into them.
41		* If you have your own <code>RequestProcessor</code> implementation, you can use an
42		* <code>ActionFactory</code> in your <code>RequestProcessor.processActionCreate</code>
43		* method to Picofy your Actions.
44		*
45		* @author Stephen Molitor
46		* @author Mauro Talevi
47		* @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
48		* @version $Revision: 1.1 $ $Date: 2006/02/15 08:45:44 $
49		* @version Revision: 1.0
50		*/
51
52		public class ActionFactory {
53
54		private ServiceFactory sf = ServiceFactory.getInstance();
55
56		private Map classCache = new HashMap();
57
58		/**
59		* Gets the <code>Action</code> specified by the mapping type from a
60		* PicoContainer. The action will be instantiated if necessary, and its
61		* dependencies will be injected. The action will be instantiated via a
62		* special PicoContainer that just contains actions. If this container
63		* already exists in the request attribute, this method will use it. If no
64		* such container exists, this method will create a new Pico container and
65		* place it in the request. The parent container will either be the request
66		* container, or if that container can not be found the session container,
67		* or if that container can not be found, the application container. If no
68		* parent container can be found, a <code>PicoInitializationException</code>
69		* will be thrown. The action path specified in the mapping is used as the
70		* component key for the action.
71		*
72		* @param request
73		* the Http servlet request.
74		* @param mapping
75		* the Struts mapping object, whose type property tells us what
76		* Action class is required.
77		* @param servlet
78		* the Struts <code>ActionServlet</code>.
79		* @return the <code>Action</code> instance.
80		* @throws PicoIntrospectionException
81		* if the mapping type does not specify a valid action.
82		* @throws PicoInitializationException
83		* if no request, session, or application scoped Pico container
84		* can be found.
85		*
86		*/
87	0	public Action processAction(HttpServletRequest request,
88		ActionMapping mapping, ActionServlet servlet)
89		throws PicoIntrospectionException, PicoInitializationException {
90	0	Object actionKey = mapping.getPath();
91	0	Class actionType = getActionClass(mapping.getType());
92
93	0	Action action = (Action) sf.getService(actionKey);
94	0	if (action == null) {
95	0	sf.registerService(actionKey, actionType);
96	0	action = (Action) sf.getService(actionKey);
97		}
98
99	0	action.setServlet(servlet);
100	0	return action;
101		}
102
103		/**
104		* Load class.
105		*
106		* @param className
107		* @return the class
108		* @throws PicoIntrospectionException
109		*/
110	0	private Class getActionClass(String className) throws PicoIntrospectionException {
111	0	try {
112	0	return loadClass(className);
113		} catch (ClassNotFoundException e) {
114	0	throw new PicoIntrospectionException("Action class '" + className + "' not found", e);
115		}
116		}
117
118		/**
119		* Load class with given name.
120		*
121		* @param className
122		* @return the class
123		* @throws ClassNotFoundException
124		*/
125	0	private Class loadClass(String className) throws ClassNotFoundException {
126	0	if (classCache.containsKey(className)) {
127	0	return (Class) classCache.get(className);
128		} else {
129	0	ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
130	0	Class result = classLoader.loadClass(className);
131	0	classCache.put(className, result);
132	0	return result;
133		}
134		}
135
136		}
137