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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.juddi.handler;
17  
18  import java.util.Vector;
19  
20  import org.apache.juddi.datatype.RegistryObject;
21  import org.apache.juddi.datatype.request.GetSubscriptions;
22  import org.apache.juddi.datatype.subscription.SubscriptionKey;
23  import org.apache.juddi.util.xml.XMLUtils;
24  import org.w3c.dom.Element;
25  
26  /***
27   * "Knows about the creation and populating of GetSubscriptions objects.
28   *  Returns GetSubscriptions."
29   *
30   * @author Steve Viens (sviens@apache.org)
31   */
32  public class GetSubscriptionsHandler extends AbstractHandler
33  {
34    public static final String TAG_NAME = "get_subscriptions";
35  
36    private HandlerMaker maker = null;
37  
38    protected GetSubscriptionsHandler(HandlerMaker maker)
39    {
40      this.maker = maker;
41    }
42  
43    public RegistryObject unmarshal(Element element)
44    {
45      GetSubscriptions obj = new GetSubscriptions();
46      Vector nodeList = null;
47      AbstractHandler handler = null;
48  
49      // Attributes
50      String generic = element.getAttribute("generic");
51      if ((generic != null && (generic.trim().length() > 0)))
52        obj.setGeneric(generic);
53  
54      // Text Node Value
55      // {none}
56  
57      // Child Elements
58      nodeList = XMLUtils.getChildElementsByTagName(element,SubscriptionKeyHandler.TAG_NAME);
59      for (int i=0; i<nodeList.size(); i++)
60      {
61        handler = maker.lookup(SubscriptionKeyHandler.TAG_NAME);
62        obj.addSubscriptionKey((SubscriptionKey)handler.unmarshal((Element)nodeList.elementAt(i)));
63      }
64  
65      return obj;
66    }
67  
68    public void marshal(RegistryObject object,Element parent)
69    {
70      GetSubscriptions request = (GetSubscriptions)object;
71      String generic = request.getGeneric();
72      generic = getGeneric(generic);
73      String namespace = getUDDINamespace(generic);
74      Element element = parent.getOwnerDocument().createElementNS(namespace,TAG_NAME);
75      AbstractHandler handler = null;
76  
77      element.setAttribute("generic",generic);
78  
79      Vector keyVector = request.getSubscriptionKeyVector();
80      if ((keyVector!=null) && (keyVector.size() > 0))
81      {
82        handler = maker.lookup(SubscriptionKeyHandler.TAG_NAME);
83        for (int i=0; i<keyVector.size(); i++)
84          handler.marshal(new SubscriptionKey((String)keyVector.elementAt(i)),element);
85      }
86  
87      parent.appendChild(element);
88    }
89  
90  
91    /****************************************************************************/
92    /****************************** TEST DRIVER *********************************/
93    /****************************************************************************/
94  
95  
96    public static void main(String args[])
97      throws Exception
98    {
99      HandlerMaker maker = HandlerMaker.getInstance();
100     AbstractHandler handler = maker.lookup(GetSubscriptionsHandler.TAG_NAME);
101 
102     Element parent = XMLUtils.newRootElement();
103     Element child = null;
104 
105     GetSubscriptions service = new GetSubscriptions();
106     service.addSubscriptionKey("1bd50f65-9671-41ae-8d13-b3b5a5afcda0");
107     service.addSubscriptionKey(new SubscriptionKey("1fbe67e6-f8b5-4743-a23f-9c13e4273d9f"));
108 
109     System.out.println();
110 
111     RegistryObject regObject = service;
112     handler.marshal(regObject,parent);
113     child = (Element)parent.getFirstChild();
114     parent.removeChild(child);
115     XMLUtils.writeXML(child,System.out);
116 
117     System.out.println();
118 
119     regObject = handler.unmarshal(child);
120     handler.marshal(regObject,parent);
121     child = (Element)parent.getFirstChild();
122     parent.removeChild(child);
123     XMLUtils.writeXML(child,System.out);
124   }
125 }