Docjar: com/sample/addressbook/controller/contact/ContactNavigationController.java

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Source code: com/sample/addressbook/controller/contact/ContactNavigationController.java

1   /*
2    * ContactNavigationController.java
3    *
4    * Copyright (c) 2001, 2002 Aendvari, Ltd. All Rights Reserved.
5    *
6    * See the file LICENSE for terms of use.
7    *
8    */
9   
10  package com.sample.addressbook.controller.contact;
11  
12  import java.util.ArrayList;
13  
14  import javax.servlet.*;
15  import javax.servlet.http.*;
16  
17  import com.aendvari.satyr.servlet.*;
18  import com.aendvari.satyr.servlet.gateway.tethys.*;
19  
20  import com.aendvari.griffin.util.XmlUtil;
21  import com.aendvari.griffin.bean.transform.BeanTransformer;
22  
23  import com.aendvari.common.model.*;
24  
25  import com.aendvari.tethys.context.model.*;
26  
27  import com.aendvari.tethys.tag.context.*;
28  import com.aendvari.tethys.tag.model.*;
29  
30  import com.aendvari.cerberus.component.descriptor.ComponentDescriptor;
31  
32  import com.aendvari.cerberus.component.assembly.AssembledComponent;
33  import com.aendvari.cerberus.component.assembly.AssemblyContext;
34  
35  import com.aendvari.hermes.broker.*;
36  import com.aendvari.hermes.broker.http.*;
37  
38  import com.sample.addressbook.model.contact.data.Contact;
39  
40  import com.sample.addressbook.Names;
41  import com.sample.addressbook.dumbdb.*;
42  
43  
44  /**
45   * <p>Manages copyform message for navigation calls.</p>
46   *
47   * @author  Scott Milne
48   *
49   */
50  
51  public class ContactNavigationController implements AssembledComponent
52  {
53    protected ComponentDescriptor descriptor;
54    protected String model;
55  
56  
57    /* Constructors. */
58  
59  
60    /**
61     * Constructs a <code>ContactNavigationController</code> instance.
62     *
63     */
64  
65    public ContactNavigationController()
66    {
67    }
68  
69    /**
70     * Creates the component based on the provided descriptor.
71     *
72     * The {@link AssemblyContext} object is transient and should not be retained
73     * by the component.
74     *
75     * The {@link ComponentDescriptor} may be retained by the component.
76     *
77     * @param    context            The {@link AssemblyContext} for this component.
78     * @param    descriptor          The {@link ComponentDescriptor} for this component.
79     *
80     */
81  
82    public void createComponent(AssemblyContext context, ComponentDescriptor descriptor)
83    {
84      MessageBrokerConnection connection = context.getMessageBroker().createConnection();
85  
86      // subscribe to the topic associated with the "copyform" message
87      connection.subscribe(descriptor.getMessage("copyform").getTopic(), new CopyFormListener());
88  
89      // store descriptor
90      this.descriptor = descriptor;
91  
92      // retrieve information
93      model = descriptor.getAttribute("model").getValue();
94    }
95  
96    class CopyFormListener implements MessageListener
97    {
98      public void onMessage(Message message)
99      {
100       // retrieve web objects
101       HttpServletRequest request = HttpMessageBrokerContext.getRequest(message.getContext());
102       HttpServletResponse response = HttpMessageBrokerContext.getResponse(message.getContext());
103       HttpSession session = HttpMessageBrokerContext.getSession(message.getContext());
104 
105       // get view model
106       ModelTree modelTree = ServletModelUtil.getModelTree(session);
107 
108       // get the node that is holding the form data
109       ModelNode messageNode = modelTree.getNode(modelTree.getRootNode(), model);
110 
111       // update the DOM with the form data
112       ModelUtil.osmToModel(message.getProperties(), "MainForm", messageNode, false);
113     }
114   }
115 }
116