ManagedObjectFactoryProviderMonolithicImpl


1   /*====================================================================
2   Tnis file was produced by the OpenCCM ir3_jimpl generator.
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2002 USTL - LIFL - GOAL
5   Contact: openccm-team@objectweb.org
6   This library is free software; you can redistribute it and/or
7   modify it under the terms of the GNU Lesser General Public
8   License as published by the Free Software Foundation; either
9   version 2.1 of the License, or any later version.
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Lesser General Public License for more details.
14  You should have received a copy of the GNU Lesser General Public
15  License along with this library; if not, write to the Free Software
16  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
17  USA
18  Initial developer(s): Philippe Merle, Mathieu Vadet.
19  Contributor(s): Sylvain Leblanc_______________________.
20  ====================================================================*/
21  package ist.coach.itut_x780Components;
22  
23  import ist.coach.coachEmfCommon.Utils;
24  import ist.coach.coachEmfCommon.ExceptionMessages;
25  import intt.itu.itut_x780.UIDType;
26  import intt.itu.itut_x780.CreateError;
27  import intt.itu.itut_x780.ApplicationError;
28  
29  import intt.itu.itut_x780.ManagedObjectFactory;
30  import intt.itu.itut_x780.ManagedObjectFactoryHelper;
31  import ist.coach.coachEmfCommon.CreateErrorInfoTypeImpl;
32  import ist.coach.coachEmfCommon.ApplicationErrorInfoTypeImpl;
33  
34  
35  /**
36   **  Implementation class for the ::itut_x780Components::ManagedObjectFactoryProvider component.
37   **/
38  public class ManagedObjectFactoryProviderMonolithicImpl
39         extends org.omg.CORBA.LocalObject  
40         implements CCM_ManagedObjectFactoryProvider, 
41                    org.omg.Components.SessionComponent
42  {
43      // ==================================================================
44      //
45      // Internal State.
46      //
47      // ===================================================================
48      /**
49       **  Context reference.
50       **/
51      private CCM_ManagedObjectFactoryProvider_Context the_context_;
52      /* Business logic **/
53      intt.itu.itut_q816.ContainmentComponent c_admin = null;
54      intt.itu.itut_q816.Containment c_query = null;
55  
56      private static final String   FACTORY_CLASS = "ManagedObjectFactory";
57      ManagedObjectMgmt facade = null;
58      // ==================================================================
59      //
60      // Constructor.
61      //
62      // ===================================================================
63      /**
64       **  The default constructor.
65       **/
66      public
67      ManagedObjectFactoryProviderMonolithicImpl()
68      {
69          the_context_ = null;
70      }
71      // ==================================================================
72      //
73      // Internal methods.
74      //
75      // ===================================================================
76      // ==================================================================
77      //
78      // Public methods.
79      //
80      // ===================================================================
81      /**
82       **  To obtain the context.
83       **
84       **  @return The context that has been previously set by
85       **          the set_session_context operation.
86       **/
87      public CCM_ManagedObjectFactoryProvider_Context
88      getContext()
89      {
90          return the_context_;
91      }
92      // ==================================================================
93      //
94      // Methods for the OMG IDL Components::EnterpriseComponent local interface.
95      //
96      // ==================================================================
97      //
98      //  IDL:omg.org/Components/EnterpriseComponent/configuration_complete:1.0
99      //
100     /**
101      **  Completes the component configuration.
102      **
103      **  @throws org.omg.Components.InvalidConfiguration
104      **          Thrown if the configuration is invalid.
105      **/
106     public void
107     configuration_complete()
108     throws org.omg.Components.InvalidConfiguration
109     {
110         //
111         //  DONE : implement !!!
112         //
113         if ((facade = the_context_.get_connection_facade()) == null)
114             throw new org.omg.Components.InvalidConfiguration();
115 
116         if ((c_admin = the_context_.get_connection_containment_admin()) == null)
117             throw new org.omg.Components.InvalidConfiguration();
118 
119         if ((c_query = the_context_.get_connection_containment_query()) == null)
120             throw new org.omg.Components.InvalidConfiguration();
121 
122             // If managers may create, then the factory must register to the
123             // factory finder service
124         intt.itu.itut_q816.FactoryFinderComponent factoryfinder_admin =
125             the_context_.get_connection_factoryfinder_admin();
126 
127         org.omg.CORBA.Object   myself_o;
128         ManagedObjectFactory myself = null;
129 
130         try {
131             myself_o = ((org.omg.Components.SessionContext) the_context_).get_CCM_object();
132             myself = ManagedObjectFactoryHelper.narrow(myself_o);
133 
134             factoryfinder_admin.register(FACTORY_CLASS, myself);
135             //factoryfinder_admin.register(FACTORY_CLASS, this);
136         }
137         catch(intt.itu.itut_x780.ApplicationError ex) {
138             throw new org.omg.Components.InvalidConfiguration();
139         }
140         catch(Exception   e) {
141             System.err.println("ManagedObjectFactory has problems retrieving CCM component");
142         }
143 
144 
145         System.err.println("ManagedObjectFactoryProvider configuration completed...");
146     }
147     // ==================================================================
148     //
149     // Methods for the OMG IDL Components::SessionComponent local interface.
150     //
151     // ==================================================================
152     //
153     //  IDL:omg.org/Components/SessionComponent/set_session_context:1.0
154     //
155     /**
156      *  Called by the container when the component session context will be fixed.
157      *
158      *  @param context The session context.
159      *
160      *  @throws org.omg.Components.CCMException
161      *          Thrown if a system level error occured.
162      */
163     public void
164     set_session_context(org.omg.Components.SessionContext context)
165     throws org.omg.Components.CCMException
166     {
167         the_context_ = (CCM_ManagedObjectFactoryProvider_Context)context;
168     }
169     //
170     //  IDL:omg.org/Components/SessionComponent/ccm_activate:1.0
171     //
172     /**
173      *
174      * Called by the container when the component will be activated.
175      *
176      *  @throws org.omg.Components.CCMException
177      *          Thrown if a system level error occured.
178      */
179     public void 
180     ccm_activate()
181     throws org.omg.Components.CCMException
182     {
183         //
184         // Unused by actual OpenCCM containers
185         //
186     }
187     //
188     //  IDL:omg.org/Components/SessionComponent/ccm_passivate:1.0
189     //
190     /**
191      *
192      * Called by the container when the component will be passivated.
193      *
194      *  @throws org.omg.Components.CCMException
195      *          Thrown if a system level error occured.
196      */
197     public void 
198     ccm_passivate()
199     throws org.omg.Components.CCMException
200     {
201         //
202         // Unused by actual OpenCCM containers
203         //
204     }
205     //
206     //  IDL:omg.org/Components/SessionComponent/ccm_remove:1.0
207     //
208     /**
209      *
210      * Called by the container when the component will be removed.
211      *
212      *  @throws org.omg.Components.CCMException
213      *          Thrown if a system level error occured.
214      */
215     public void 
216     ccm_remove()
217     throws org.omg.Components.CCMException
218     {
219         //
220         // TO DO: implement !!!
221         //
222     }
223     // ==================================================================
224     //
225     // Public methods for the CCM_ManagedObjectFactoryProvider local interface.
226     //
227     // ==================================================================
228     public org.omg.CosNaming.NameComponent  []
229     create_base(String   nameBinding,
230                 org.omg.CosNaming.NameComponent  [] superior, 
231                 String   reqId) 
232     throws intt.itu.itut_x780.ApplicationError, intt.itu.itut_x780.CreateError {
233 
234         short deletePolicy = -1;
235         boolean managerMayCreatePolicy = false;
236         String   objectKind = new String  ();
237         String   nameBinding_str = "intt.itu.itut_x780.NameBindings." +
238                 nameBinding;
239         try {
240             Class   deletePolicyClass = 
241                 Class.forName(nameBinding_str + ".deletePolicy");
242 
243             deletePolicy = 
244                 deletePolicyClass.getDeclaredField("value").getShort(null);
245 
246             Class   managerMayCreatePolicyClass = 
247                     Class.forName(nameBinding_str + ".managersMayCreate");
248             managerMayCreatePolicy = 
249                 managerMayCreatePolicyClass.getDeclaredField("value").getBoolean(null);
250 
251             Class   objectKindClass =
252                      Class.forName(nameBinding_str + ".kind");
253             objectKind = (String  ) objectKindClass.getDeclaredField("value").get(null);
254 
255     /*
256             System.err.println("deletePolicy = " + deletePolicy + 
257                                 "managerMayCreatePolicy = " + managerMayCreatePolicy +
258                                 "objectKind = " + objectKind);
259     */
260 
261         }
262         catch(java.lang.ClassNotFoundException   ex) {
263             System.err.println(nameBinding_str + " can not be found!" + ex.getMessage());
264             CreateErrorInfoTypeImpl error_code = new CreateErrorInfoTypeImpl();
265             error_code.error = new UIDType(
266                 intt.itu.itut_x780.CreateErrorConst.moduleName.value,
267                 intt.itu.itut_x780.CreateErrorConst.invalidNameBinding.value);
268 
269             error_code.details = ExceptionMessages.namebinding_exists_error;
270             throw new CreateError(error_code);
271 
272         }
273         catch(java.lang.NoSuchFieldException   ex_field) {
274             System.err.println("java.lang.NoSuchFieldException caught " +
275                     ex_field.getMessage());
276             CreateErrorInfoTypeImpl error_code = new CreateErrorInfoTypeImpl();
277             error_code.error = new UIDType(
278                 intt.itu.itut_x780.CreateErrorConst.moduleName.value,
279                 intt.itu.itut_x780.CreateErrorConst.invalidNameBinding.value);
280 
281             error_code.details = ExceptionMessages.namebinding_field_error;
282             throw new CreateError(error_code);
283 
284         }
285         catch(java.lang.IllegalAccessException   ex_acc) {
286             System.err.println("java.lang.IllegalAccessException caught " +
287                     ex_acc.getMessage());
288             CreateErrorInfoTypeImpl error_code = new CreateErrorInfoTypeImpl();
289             error_code.error = new UIDType(
290                 intt.itu.itut_x780.CreateErrorConst.moduleName.value,
291                 intt.itu.itut_x780.CreateErrorConst.invalidNameBinding.value);
292 
293             error_code.details = ExceptionMessages.namebinding_field_error;
294             throw new CreateError(error_code);
295 
296         }
297         // Check if managers are allowed to create the object.
298         if (!managerMayCreatePolicy) {
299             CreateErrorInfoTypeImpl error_code = new CreateErrorInfoTypeImpl();
300             error_code.error = new UIDType(
301                 intt.itu.itut_x780.CreateErrorConst.moduleName.value,
302                 intt.itu.itut_x780.CreateErrorConst.invalidNameBinding.value);
303 
304             error_code.details =  ExceptionMessages.manager_create_error;
305             throw new CreateError(error_code);
306         }
307 
308         // Check if the parent exists
309         if (! c_query.exists(superior)) {
310             ApplicationErrorInfoTypeImpl error_code = new ApplicationErrorInfoTypeImpl();
311             error_code.error = new UIDType(
312                 intt.itu.itut_x780.ApplicationErrorConst.moduleName.value,
313                 intt.itu.itut_x780.ApplicationErrorConst.objectNotFound.value);
314 
315             error_code.details = Utils.name2string(superior) + 
316                             ExceptionMessages.parent_object_error;
317         
318             throw new ApplicationError(error_code);
319         }
320 
321         // The system must have th capability of auto-naming objects
322         String   allocatedId = reqId;
323         if (reqId == null || reqId.length() == 0) {
324 
325             System.err.println("Auto-naming gets activated..");
326             org.omg.CosNaming.NameComponent  [][] siblings = 
327                 c_query.getContained(superior);
328             System.err.println("Parent has " + siblings.length +
329                     " children");
330 
331             boolean idFound = false;
332             int id = 0, name_length = 0;
333             while(! idFound) {
334                 id++;
335                 int i = 0;
336                 for(i = 0; i < siblings.length; i++) {
337                     if (siblings[i] !=null && (name_length=siblings[i].length) > 0) {
338                         if (siblings[i][name_length -2].id.equals(Integer.toString(id))) {
339                             break;
340                         }
341                     }
342                 }
343                 if (i >= siblings.length)  {
344                     idFound = true;
345                 }
346             }
347             allocatedId = Integer.toString(id);
348         }
349     
350         // Construct the name of the new object
351         org.omg.CosNaming.NameComponent  [] name;
352 
353         int index = 0;
354         if (superior.length == 1) {
355             name = new org.omg.CosNaming.NameComponent  [superior.length + 2];
356                 index = 1;
357         }
358         else {
359             name = new org.omg.CosNaming.NameComponent  [superior.length + 1];
360                 index = superior.length - 1;
361         }
362         int i = 0;
363         for(i = 0; i < index; i++)
364             name[i] = superior[i];
365 
366             // the before-last name component, contains the element's id info
367         name[i++] = new org.omg.CosNaming.NameComponent  (allocatedId, objectKind);
368             
369             // the last component contains the facade's info;
370         name[i] = new org.omg.CosNaming.NameComponent  ("", Utils.name2facade(facade.facade_name()));
371         
372         System.err.println("Before invoking the facade " + 
373                     Utils.name2facade(facade.facade_name()) + " to create " + Utils.name2string(name));
374         facade.create(name, objectKind, new String  [0], deletePolicy,
375                     intt.itu.itut_x780.SourceIndicatorType.managementOperation);
376 
377         c_admin.addName(name, superior);
378 
379         System.err.println("create_base returns for " + Utils.name2string(name));
380         return name;
381     }
382 }
383
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