ClientImpl


1   // ====================================================================
2   // 
3   //   ECM: The Extensible Container Model
4   //   Copyright (C) 2004 THALES
5   //   Contact: openccm-ecm@objectweb.org
6   //
7   //   This library is free software; you can redistribute it and/or
8   //   modify it under the terms of the GNU Lesser General Public
9   //   License as published by the Free Software Foundation; either
10  //   version 2.1 of the License, or any later version.
11  //
12  //   This library is distributed in the hope that it will be useful,
13  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
14  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  //   Lesser General Public License for more details.
16  //
17  //   You should have received a copy of the GNU Lesser General Public
18  //   License along with this library; if not, write to the Free Software
19  //   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  //   USA
21  //
22  //   Initial developer(s): Mathieu Vadet.
23  //   Initial Funding: IST COACH European project (IST-2001-34445)
24  //                    http://www.ist-coach.org 
25  //
26  // ====================================================================
27  
28  
29  
30  package org.objectweb.ccm.sessiondemo;
31  
32  /**
33   **  Implementation of the OMG IDL3 <tt>Client</tt> component type.
34   **/
35  public class ClientImpl
36  extends Client_MainSegBase
37  implements java.awt.event.ActionListener  , java.io.Serializable  
38  {
39      // client
40      private javax.swing.JFrame   _frame;
41      private javax.swing.JList   _product_list;
42      private javax.swing.JList   _caddie_list;
43      private Server _server;
44      private org.omg.Components.Cookie _i_server_ck;
45  
46      // default constructor
47      public
48      ClientImpl()
49      {
50          // client
51          _frame = null;
52          _product_list = null;
53          _caddie_list = null;
54          _server = null;
55          _i_server_ck = null;
56      }
57  
58      //
59      //  overriden operations
60      //
61  
62      final public void
63      configuration_complete()
64      throws org.omg.Components.InvalidConfiguration
65      {
66          // create a GUI
67          // NORTH: panel with buttons "enter" and "leave"
68          javax.swing.JPanel   npanel = new javax.swing.JPanel  (new java.awt.BorderLayout  ());
69          javax.swing.JButton   enterb = new javax.swing.JButton  ("Enter");
70          enterb.setActionCommand("enter");
71          enterb.addActionListener(this);
72          javax.swing.JButton   leaveb = new javax.swing.JButton  ("Leave");
73          leaveb.setActionCommand("leave");
74          leaveb.addActionListener(this);
75          npanel.add(enterb, java.awt.BorderLayout.WEST);
76          npanel.add(leaveb, java.awt.BorderLayout.EAST);
77  
78          // SOUTH: box with products and caddie panels
79          //    EAST: panel with product list and button "Purchase"
80          javax.swing.JPanel   bnpanel = new javax.swing.JPanel  (new java.awt.BorderLayout  ());
81          _product_list = new javax.swing.JList  ();
82          javax.swing.JButton   purchaseb = new javax.swing.JButton  ("Purchase");
83          purchaseb.setActionCommand("purchase");
84          purchaseb.addActionListener(this);
85          bnpanel.add(_product_list, java.awt.BorderLayout.NORTH);
86          bnpanel.add(purchaseb, java.awt.BorderLayout.SOUTH);
87  
88          //    WEST: panel with caddie list and button "Remove"
89          javax.swing.JPanel   bspanel = new javax.swing.JPanel  (new java.awt.BorderLayout  ());
90          _caddie_list = new javax.swing.JList  ();
91          javax.swing.JButton   removeb = new javax.swing.JButton  ("Remove");
92          removeb.setActionCommand("remove");
93          removeb.addActionListener(this);
94          bspanel.add(_caddie_list, java.awt.BorderLayout.NORTH);
95          bspanel.add(removeb, java.awt.BorderLayout.SOUTH);
96  
97          javax.swing.JPanel   spanel = new javax.swing.JPanel  (new java.awt.BorderLayout  ());
98          spanel.add(bnpanel, java.awt.BorderLayout.EAST);
99          spanel.add(bspanel, java.awt.BorderLayout.WEST);
100 
101         // MAIN panel
102         javax.swing.JPanel   panel = new javax.swing.JPanel  (new java.awt.BorderLayout  ());
103         panel.add(npanel, java.awt.BorderLayout.NORTH);
104         panel.add(spanel, java.awt.BorderLayout.SOUTH);
105         _frame = new javax.swing.JFrame  ("Client GUI");
106         _frame.getContentPane().add(panel);
107         _frame.pack();
108         _frame.show();
109     }
110 
111     //
112     //  IDL:objectweb.org/ccm/sessiondemo/Client:1.0
113     //
114 
115     // 
116     //  java.awt.event.ActionListener
117     //
118 
119     final public void
120     actionPerformed(java.awt.event.ActionEvent   e)
121     {
122         String   cmd = e.getActionCommand();
123 
124         if (cmd.equals("enter")) {
125             // create a new Server component and connect it
126             try {
127                 org.omg.Components.LocalReceptacles lrecs = getCCM2Context().get_receptacles();
128                 org.omg.CORBA.Object   obj = lrecs.get_connections("server_home")[0].ref();
129                 ServerHome shome = ServerHomeHelper.narrow(obj);
130                 // NOTE: typed operation
131                 // ServerHome shome = get_connection_server_home();
132 
133                 _server = shome.create();
134                 _server.configuration_complete();
135 
136                 _i_server_ck = lrecs.connect("i_server", _server.provide_i_server());
137                 // NOTE: typed operation
138                 // connect_i_server(_server.provide_i_server());
139 
140                 // obtain product list and display
141                 obj = lrecs.get_connections("i_server")[0].ref();
142                 IServer iserver = IServerHelper.narrow(obj);
143                 Product[] products = iserver.list_products();
144                 // NOTE: typed operation
145                 // Product[] products = get_connection_i_server().list_products();
146 
147                 String  [] pids = new String  [products.length];
148                 for (int i=0;i<products.length;i++) {
149                     pids[i] = products[i].id;
150                 }
151 
152                 _product_list.setListData(pids);
153                 return ;
154             } catch (Exception   ex) {
155                 ex.printStackTrace();
156                 return;
157             }
158         }
159 
160         if (cmd.equals("leave")) {
161             // remove everything from caddie
162             try {
163                 org.omg.Components.LocalReceptacles lrecs = getCCM2Context().get_receptacles();
164                 javax.swing.ListModel   lmodel = _caddie_list.getModel();
165                 String  [] ids = new String  [lmodel.getSize()];
166                 for (int i=0;i<ids.length;i++) {
167                     ids[i] = (String  )lmodel.getElementAt(i);
168                 }
169 
170                 org.omg.CORBA.Object   obj = lrecs.get_connections("i_server")[0].ref();
171                 IServer iserver = IServerHelper.narrow(obj);
172                 // NOTE: typed operation
173                 // IServer iserver = get_connection_i_server();
174                 iserver.remove_products(ids);
175 
176                 // disconnect
177                 lrecs.disconnect(_i_server_ck);
178                 // NOTE: typed operation
179                 // disconnect_i_server();
180 
181                 // clear list
182                 _product_list.setListData(new Object  [0]);
183                 _caddie_list.setListData(new Object  [0]);
184 
185                 // destroy component
186                 obj = lrecs.get_connections("server_home")[0].ref();
187                 ServerHome shome = ServerHomeHelper.narrow(obj);
188                 shome.remove_component(_server);
189                 return ;
190             } catch (Exception   ex) {
191                 ex.printStackTrace();
192                 return ;
193             }
194         }
195 
196         if (cmd.equals("purchase")) {
197             // obtain the purchased ids
198             try {
199                 org.omg.Components.LocalReceptacles lrecs = getCCM2Context().get_receptacles();
200                 Object  [] objs = _product_list.getSelectedValues();
201                 String  [] ids = new String  [objs.length];
202                 for (int i=0;i<objs.length;i++) {
203                     ids[i] = (String  )objs[i];
204                 }
205 
206                 // purchase
207                 org.omg.CORBA.Object   obj = lrecs.get_connections("i_server")[0].ref();
208                 IServer iserver = IServerHelper.narrow(obj);
209                 // NOTE: typed operation
210                 // IServer iserver = get_connection_i_server();
211                 iserver.purchase_products(ids);
212 
213                 // update caddie and display
214                 Product[] products = iserver.view_caddie();
215                 String  [] pids = new String  [products.length];
216                 for (int i=0;i<products.length;i++) {
217                     pids[i] = products[i].id;
218                 }
219 
220                 _product_list.clearSelection();
221                 _caddie_list.setListData(pids);
222                 return ;
223             } catch (Exception   ex) {
224                 ex.printStackTrace();
225                 return ;
226             }
227         }
228 
229         if (cmd.equals("remove")) {
230             // obtain the removed ids
231             try {
232                 org.omg.Components.LocalReceptacles lrecs = getCCM2Context().get_receptacles();
233                 Object  [] objs = _caddie_list.getSelectedValues();
234                 String  [] ids = new String  [objs.length];
235                 for (int i=0;i<objs.length;i++) {
236                     ids[i] = (String  )objs[i];
237                 }
238 
239                 // remove
240                 org.omg.CORBA.Object   obj = lrecs.get_connections("i_server")[0].ref();
241                 IServer iserver = IServerHelper.narrow(obj);
242                 // NOTE: typed operation
243                 // IServer iserver = get_connection_i_server();
244                 iserver.remove_products(ids);
245 
246                 // update caddie and display
247                 Product[] products = iserver.view_caddie();
248                 String  [] pids = new String  [products.length];
249                 for (int i=0;i<products.length;i++) {
250                     pids[i] = products[i].id;
251                 }
252 
253                 _caddie_list.clearSelection();
254                 _caddie_list.setListData(pids);
255                 return ;
256             } catch (Exception   ex) {
257                 ex.printStackTrace();
258                 return ;
259             }
260         }
261     }
262 }
263
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