luz2/src/com/lavans/luz2/lremote/service/ServiceManagerXml.java

   1 package com.lavans.luz2.lremote.service;\r
   2 \r
   3 import java.util.Collections;\r
   4 import java.util.HashMap;\r
   5 import java.util.Map;\r
   6 \r
   7 import net.sf.cglib.proxy.Enhancer;\r
   8 \r
   9 import com.lavans.luz2.lremote.intercetor.RemoteInterceptor;\r
  10 import com.lavans.luz2.util.BeanManager;\r
  11 \r
  12 /**\r
  13  * Service Manager Implementation for XML file(default).\r
  14  * @author dobashi\r
  15  *\r
  16  */\r
  17 public class ServiceManagerXml implements ServiceManager{\r
  18         /** logger */\r
  19         //private static final Log logger = LogFactory.getLog(ServiceManagerXml.class);\r
  20         /** singleton instance */\r
  21         private static ServiceManager instance = new ServiceManagerXml();\r
  22 \r
  23         /** cache of all service */\r
  24         private Map<String, Object> serviceMap = Collections.synchronizedMap(new HashMap<String, Object>());\r
  25 \r
  26         /**\r
  27          * constructor\r
  28          */\r
  29         public static ServiceManager getInstance(){\r
  30                 return instance;\r
  31         }\r
  32 \r
  33         private ServiceManagerXml(){\r
  34                 init();\r
  35         }\r
  36 \r
  37         /** initialize */\r
  38         public void init(){\r
  39         }\r
  40 \r
  41         public Object getService(String group, String id) {\r
  42                 return getService(BeanManager.toFullId(group, id));\r
  43         }\r
  44         public Object getService(String id) {\r
  45                 // search from cache\r
  46                 Object service = serviceMap.get(id);\r
  47                 // If service is found, return cache.\r
  48                 if(service!=null){\r
  49                         return service;\r
  50                 }\r
  51 \r
  52                 // If the service is not cached then create new one.\r
  53                 Class<? extends Object> clazz = BeanManager.getBeanClass(id);\r
  54 \r
  55                 // intercept by CGLIB\r
  56                 Enhancer enhancer = new Enhancer();\r
  57                 enhancer.setSuperclass(clazz);\r
  58                 enhancer.setCallback(new RemoteInterceptor());\r
  59                 service = enhancer.create();\r
  60                 serviceMap.put(id, service);\r
  61 \r
  62         return service;\r
  63         }\r
  64 \r
  65         /**\r
  66          * Get for local. Never set Interceptor. This methos equals to BeanManager.\r
  67          */\r
  68         public Object getServiceLocal(String group, String id) {\r
  69                 return BeanManager.getBean(group, id);\r
  70         }\r
  71         public Object getServiceLocal(String id) {\r
  72                 return BeanManager.getBean(id);\r
  73         }\r
  74 \r
  75 }\r