first commit

hrmsEjb/wenrgise/common/utility/ServiceLocator.java

@@ -0,0 +1,83 @@
+package wenrgise.common.utility;
+
+import java.util.HashMap;
+import javax.ejb.EJBLocalHome;
+import javax.naming.Context;
+import javax.naming.NamingException;
+import wenrgise.common.exception.EnrgiseSystemException;
+
+public class ServiceLocator {
+  private HashMap homeCache;
+  
+  private final HashMap cacheMap = new HashMap();
+  
+  private static ServiceLocator serviceLocator = new ServiceLocator();
+  
+  private ServiceLocator() {
+    try {
+      this.homeCache = new HashMap();
+    } catch (Throwable e) {
+      e.printStackTrace();
+    } 
+  }
+  
+  public static ServiceLocator getLocator() {
+    return serviceLocator;
+  }
+  
+  public Object getService(String jndiName) throws EnrgiseSystemException {
+    try {
+      if (!this.homeCache.containsKey(jndiName.trim())) {
+        Context context = ContextProvider.getContext();
+        this.homeCache.put(jndiName.trim(), context.lookup(jndiName.trim()));
+      } 
+    } catch (NamingException oNa) {
+      oNa.printStackTrace();
+      System.out.println(oNa.getExplanation());
+      throw new EnrgiseSystemException(oNa);
+    } catch (Exception oEx) {
+      oEx.printStackTrace();
+      throw new EnrgiseSystemException(oEx);
+    } 
+    return this.homeCache.get(jndiName.trim());
+  }
+  
+  public Object getLocalService(String jndiHomeName) throws EnrgiseSystemException {
+    Object obj = null;
+    try {
+      Context context = ContextProvider.getLocalContext();
+      if (this.cacheMap.containsKey(jndiHomeName)) {
+        obj = this.cacheMap.get(jndiHomeName);
+      } else {
+        obj = context.lookup(jndiHomeName);
+        this.cacheMap.put(jndiHomeName, obj);
+      } 
+    } catch (NamingException ne) {
+      ne.printStackTrace();
+      throw new EnrgiseSystemException(ne);
+    } 
+    return obj;
+  }
+  
+  public EJBLocalHome getLocalHome(String jndiHomeName) throws EnrgiseSystemException {
+    System.out.println(String.valueOf("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX").concat(String.valueOf(jndiHomeName)));
+    EJBLocalHome home = null;
+    try {
+      Context context = ContextProvider.getLocalContext();
+      if (this.cacheMap.containsKey(jndiHomeName)) {
+        home = (EJBLocalHome)this.cacheMap.get(jndiHomeName);
+      } else {
+        home = (EJBLocalHome)context.lookup(String.valueOf("java:comp/env/").concat(String.valueOf(jndiHomeName)));
+        this.cacheMap.put(jndiHomeName, home);
+      } 
+    } catch (NamingException ne) {
+      System.out.println(ne);
+      ne.printStackTrace();
+      throw new EnrgiseSystemException(ne);
+    } catch (Exception oEx) {
+      oEx.printStackTrace();
+      throw new EnrgiseSystemException(oEx);
+    } 
+    return home;
+  }
+}