JFox Service-Oriented Application Framework

Clover coverage report - JFox Service-Oriented Application Framework - 1.0

Coverage timestamp: 星期一八月 21 2006 22:56:01 CST

FRAMES NO FRAMES

file stats:	LOC:	265		Methods:	9
	NCLOC:	156		Classes:	1

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Source file

Conditionals

Statements

Methods

TOTAL

ServiceLoader.java

68.2%

77.3%

88.9%

76.3%

 /**
  * @(#)ServiceLoader.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.container;
 
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.LinkedList;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.exolab.castor.xml.MarshalException;
 import org.exolab.castor.xml.ValidationException;
 import org.huihoo.jfox.soaf.exception.ServiceConfigurationException;
 import org.huihoo.jfox.soaf.schema.config.Configuration;
 import org.huihoo.jfox.soaf.schema.config.ConfigurationEntry;
 import org.huihoo.jfox.soaf.schema.config.Interceptor;
 import org.huihoo.jfox.soaf.schema.service.Service;
 import org.huihoo.jfox.soaf.schema.service.ServiceEntry;
 import org.huihoo.jfox.soaf.util.resource.ResourceHelper;
 
 /**
  * <p>
  * Service Configration load proxy.
  * </p>
  * 
  * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
  * @version $Revision: 1.4 $ $Date: 2006/02/15 08:45:45 $
  * @version Revision: 1.0
  */
 
 public class ServiceLoader {
 
     private ServiceContainer serviceContainer = ServiceContainer.getInstance();
 
     private static ServiceLoader serviceLoader;
 
     private boolean serviceLoaded = false;
 
     private Collection serviceSchemaColl = new LinkedList();
 
     private Collection interceptorColl = new ArrayList();
 
     private Collection serviceEntryColl = new ArrayList();
 
     private InterceptorManager interceptorManager = new InterceptorManagerImpl();
 
     private final Log logger = LogFactory.getLog(getClass());
 
     /**
      * Singleton instance
      * 
      * @return
      */
     public static ServiceLoader getInstance() {
         if (serviceLoader == null) {
             serviceLoader = new ServiceLoader();
         }
         return serviceLoader;
     }
 
     /**
      * Init services.
      * 
      * @param configFile
      * @throws ServiceConfigurationException
      */
     public synchronized void initService(String configFile)
             throws ServiceConfigurationException {
         if (!isServiceLoaded()) {
             try {
                 InputStream is = ResourceHelper.getResourceAsStream(configFile);
                 loadConfig(loadServiceConfigration(is));
             } catch (Throwable e) {
                 throw new ServiceConfigurationException(
                         "Failed to init serivce config file jfoxsoaf-config.xml "
                                 + e, e);
             }
             serviceContainer.start();
             serviceLoaded = true;
         }
     }
 
     /**
      * Init services from input stream.
      * 
      * @param is
      * @throws ServiceConfigurationException
      */
     public synchronized void initService(InputStream is)
             throws ServiceConfigurationException {
         if (!isServiceLoaded()) {
             try {
                 loadConfig(loadServiceConfigration(is));
             } catch (Throwable e) {
                 e.printStackTrace();
                 throw new ServiceConfigurationException(
                         "Failed to init serivce config file jfoxsoaf-config.xml "
                                 + e, e);
 
             }
             serviceContainer.start();
             serviceLoaded = true;
         }
     }
 
     /**
      * Load service configration file.
      * 
      * @return Service
      * @throws Throwable
      */
     private Configuration loadServiceConfigration(InputStream is)
             throws ServiceConfigurationException {
         InputStreamReader isr = null;
         Configuration config = null;
         try {
             isr = new InputStreamReader(is);
             config = Configuration.unmarshal(isr);
         } catch (MarshalException e) {
             throw new ServiceConfigurationException(
                     "Failed to marshal service configuration " + e, e);
         } catch (ValidationException e) {
             throw new ServiceConfigurationException(
                     "Failed to validate service configuration " + e, e);
         } finally {
             if (is != null) {
                 try {
                     is.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
 
             if (isr != null) {
                 try {
                     isr.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }
         return config;
     }
 
     /**
      * Load all configuration service.
      * 
      * @param service
      */
     public void loadConfig(Configuration config) throws Throwable {
         processConfig(config);
         loadService(serviceSchemaColl);
         interceptorManager
                 .processInterceptor(interceptorColl, serviceEntryColl);
     }
 
     /**
      * Load service schema.
      * 
      * @param serviceSchemaColl
      * @throws ServiceConfigurationException
      */
     private void loadService(Collection serviceSchemaColl)
             throws ServiceConfigurationException {
         InputStream is = null;
         InputStreamReader isr = null;
         Iterator iter = serviceSchemaColl.iterator();
         Service service;
         try {
             while (iter.hasNext()) {
                 is = ResourceHelper.getResourceAsStream((String) iter.next());
                 isr = new InputStreamReader(is);
                 service = Service.unmarshal(isr);
                 processService(service);
             }
         } catch (Exception e) {
             throw new ServiceConfigurationException("Failed to load service "
                     + e, e);
         } finally {
             if (is != null) {
                 try {
                     is.close();
                 } catch (IOException e1) {
                     e1.printStackTrace();
                 }
 
             }
 
             if (isr != null) {
                 try {
                     isr.close();
                 } catch (IOException e1) {
                     e1.printStackTrace();
                 }
             }
         }
     }
 
     /**
      * Add service to service entry collection.
      * 
      * @param service
      */
     private void processService(Service service) {
         ServiceEntry[] serviceEntry = service.getServiceEntry();
         for (int i = 0; i < serviceEntry.length; i++) {
             serviceEntryColl.add(serviceEntry[i]);
         }
     }
 
     /**
      * Is service loaded?
      * 
      * @return boolean
      */
     public boolean isServiceLoaded() {
         return this.serviceLoaded;
     }
 
     /**
      * Add service schema and interceptor to collection.
      * 
      * @param config
      */
     private void processConfig(Configuration config) {
         ConfigurationEntry[] configEntry = config.getServiceConfiguration()
                 .getConfigurationEntry();
         Interceptor[] interceptor = config.getSystemInterceptor()
                 .getInterceptor();
         for (int i = 0; i < configEntry.length; i++) {
             logger.info("Load service schema : " + configEntry[i].getValue());
             serviceSchemaColl.add(configEntry[i].getValue());
         }
 
         for (int i = 0; i < interceptor.length; i++) {
             interceptorColl.add(interceptor[i].getValue());
         }
     }
 }

1		/**
2		* @(#)ServiceLoader.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.container;
26
27		import java.io.IOException;
28		import java.io.InputStream;
29		import java.io.InputStreamReader;
30		import java.util.ArrayList;
31		import java.util.Collection;
32		import java.util.Iterator;
33		import java.util.LinkedList;
34
35		import org.apache.commons.logging.Log;
36		import org.apache.commons.logging.LogFactory;
37		import org.exolab.castor.xml.MarshalException;
38		import org.exolab.castor.xml.ValidationException;
39		import org.huihoo.jfox.soaf.exception.ServiceConfigurationException;
40		import org.huihoo.jfox.soaf.schema.config.Configuration;
41		import org.huihoo.jfox.soaf.schema.config.ConfigurationEntry;
42		import org.huihoo.jfox.soaf.schema.config.Interceptor;
43		import org.huihoo.jfox.soaf.schema.service.Service;
44		import org.huihoo.jfox.soaf.schema.service.ServiceEntry;
45		import org.huihoo.jfox.soaf.util.resource.ResourceHelper;
46
47		/**
48		* <p>
49		* Service Configration load proxy.
50		* </p>
51		*
52		* @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
53		* @version $Revision: 1.4 $ $Date: 2006/02/15 08:45:45 $
54		* @version Revision: 1.0
55		*/
56
57		public class ServiceLoader {
58
59		private ServiceContainer serviceContainer = ServiceContainer.getInstance();
60
61		private static ServiceLoader serviceLoader;
62
63		private boolean serviceLoaded = false;
64
65		private Collection serviceSchemaColl = new LinkedList();
66
67		private Collection interceptorColl = new ArrayList();
68
69		private Collection serviceEntryColl = new ArrayList();
70
71		private InterceptorManager interceptorManager = new InterceptorManagerImpl();
72
73		private final Log logger = LogFactory.getLog(getClass());
74
75		/**
76		* Singleton instance
77		*
78		* @return
79		*/
80	15	public static ServiceLoader getInstance() {
81	15	if (serviceLoader == null) {
82	9	serviceLoader = new ServiceLoader();
83		}
84	15	return serviceLoader;
85		}
86
87		/**
88		* Init services.
89		*
90		* @param configFile
91		* @throws ServiceConfigurationException
92		*/
93	9	public synchronized void initService(String configFile)
94		throws ServiceConfigurationException {
95	9	if (!isServiceLoaded()) {
96	9	try {
97	9	InputStream is = ResourceHelper.getResourceAsStream(configFile);
98	9	loadConfig(loadServiceConfigration(is));
99		} catch (Throwable e) {
100	0	throw new ServiceConfigurationException(
101		"Failed to init serivce config file jfoxsoaf-config.xml "
102		+ e, e);
103		}
104	9	serviceContainer.start();
105	9	serviceLoaded = true;
106		}
107		}
108
109		/**
110		* Init services from input stream.
111		*
112		* @param is
113		* @throws ServiceConfigurationException
114		*/
115	0	public synchronized void initService(InputStream is)
116		throws ServiceConfigurationException {
117	0	if (!isServiceLoaded()) {
118	0	try {
119	0	loadConfig(loadServiceConfigration(is));
120		} catch (Throwable e) {
121	0	e.printStackTrace();
122	0	throw new ServiceConfigurationException(
123		"Failed to init serivce config file jfoxsoaf-config.xml "
124		+ e, e);
125
126		}
127	0	serviceContainer.start();
128	0	serviceLoaded = true;
129		}
130		}
131
132		/**
133		* Load service configration file.
134		*
135		* @return Service
136		* @throws Throwable
137		*/
138	9	private Configuration loadServiceConfigration(InputStream is)
139		throws ServiceConfigurationException {
140	9	InputStreamReader isr = null;
141	9	Configuration config = null;
142	9	try {
143	9	isr = new InputStreamReader(is);
144	9	config = Configuration.unmarshal(isr);
145		} catch (MarshalException e) {
146	0	throw new ServiceConfigurationException(
147		"Failed to marshal service configuration " + e, e);
148		} catch (ValidationException e) {
149	0	throw new ServiceConfigurationException(
150		"Failed to validate service configuration " + e, e);
151		} finally {
152	9	if (is != null) {
153	9	try {
154	9	is.close();
155		} catch (IOException e) {
156	0	e.printStackTrace();
157		}
158		}
159
160	9	if (isr != null) {
161	9	try {
162	9	isr.close();
163		} catch (IOException e) {
164	0	e.printStackTrace();
165		}
166		}
167		}
168	9	return config;
169		}
170
171		/**
172		* Load all configuration service.
173		*
174		* @param service
175		*/
176	9	public void loadConfig(Configuration config) throws Throwable {
177	9	processConfig(config);
178	9	loadService(serviceSchemaColl);
179	9	interceptorManager
180		.processInterceptor(interceptorColl, serviceEntryColl);
181		}
182
183		/**
184		* Load service schema.
185		*
186		* @param serviceSchemaColl
187		* @throws ServiceConfigurationException
188		*/
189	9	private void loadService(Collection serviceSchemaColl)
190		throws ServiceConfigurationException {
191	9	InputStream is = null;
192	9	InputStreamReader isr = null;
193	9	Iterator iter = serviceSchemaColl.iterator();
194	9	Service service;
195	9	try {
196	9	while (iter.hasNext()) {
197	72	is = ResourceHelper.getResourceAsStream((String) iter.next());
198	72	isr = new InputStreamReader(is);
199	72	service = Service.unmarshal(isr);
200	72	processService(service);
201		}
202		} catch (Exception e) {
203	0	throw new ServiceConfigurationException("Failed to load service "
204		+ e, e);
205		} finally {
206	9	if (is != null) {
207	9	try {
208	9	is.close();
209		} catch (IOException e1) {
210	0	e1.printStackTrace();
211		}
212
213		}
214
215	9	if (isr != null) {
216	9	try {
217	9	isr.close();
218		} catch (IOException e1) {
219	0	e1.printStackTrace();
220		}
221		}
222		}
223		}
224
225		/**
226		* Add service to service entry collection.
227		*
228		* @param service
229		*/
230	72	private void processService(Service service) {
231	72	ServiceEntry[] serviceEntry = service.getServiceEntry();
232	72	for (int i = 0; i < serviceEntry.length; i++) {
233	126	serviceEntryColl.add(serviceEntry[i]);
234		}
235		}
236
237		/**
238		* Is service loaded?
239		*
240		* @return boolean
241		*/
242	24	public boolean isServiceLoaded() {
243	24	return this.serviceLoaded;
244		}
245
246		/**
247		* Add service schema and interceptor to collection.
248		*
249		* @param config
250		*/
251	9	private void processConfig(Configuration config) {
252	9	ConfigurationEntry[] configEntry = config.getServiceConfiguration()
253		.getConfigurationEntry();
254	9	Interceptor[] interceptor = config.getSystemInterceptor()
255		.getInterceptor();
256	9	for (int i = 0; i < configEntry.length; i++) {
257	72	logger.info("Load service schema : " + configEntry[i].getValue());
258	72	serviceSchemaColl.add(configEntry[i].getValue());
259		}
260
261	9	for (int i = 0; i < interceptor.length; i++) {
262	18	interceptorColl.add(interceptor[i].getValue());
263		}
264		}
265		}