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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.CategoryBag;
21  import org.apache.juddi.datatype.KeyedReference;
22  import org.apache.juddi.datatype.RegistryObject;
23  import org.apache.juddi.datatype.TModelBag;
24  import org.apache.juddi.datatype.TModelKey;
25  import org.apache.juddi.datatype.request.FindBinding;
26  import org.apache.juddi.datatype.request.FindQualifier;
27  import org.apache.juddi.datatype.request.FindQualifiers;
28  import org.apache.juddi.util.xml.XMLUtils;
29  import org.w3c.dom.Element;
30  
31  
32  /***
33   * FindBindingHandler
34   *
35   * "Knows about the creation and populating of FindBinding objects.
36   * Returns FindBinding."
37   *
38   * @author Steve Viens (sviens@apache.org)
39   * @author Anou Mana (anou_mana@users.sourceforge.net)
40   */
41  public class FindBindingHandler extends AbstractHandler
42  {
43    public static final String TAG_NAME = "find_binding";
44  
45    private HandlerMaker maker = null;
46  
47    protected FindBindingHandler(HandlerMaker maker)
48    {
49      this.maker = maker;
50    }
51  
52    public RegistryObject unmarshal(Element element)
53    {
54      FindBinding obj = new FindBinding();
55      Vector nodeList = null;
56      AbstractHandler handler = null;
57  
58      // Attributes
59      String serviceKey = element.getAttribute("serviceKey");
60      if ((serviceKey != null && (serviceKey.trim().length() > 0)))
61        obj.setServiceKey(serviceKey);
62  
63      String generic = element.getAttribute("generic");
64      if ((generic != null && (generic.trim().length() > 0)))
65        obj.setGeneric(generic);
66  
67      String maxRows = element.getAttribute("maxRows");
68      if ((maxRows != null) && (maxRows.trim().length() > 0))
69        obj.setMaxRows(maxRows);
70  
71      // Text Node Value
72      // {none}
73  
74      // Child Elements
75      nodeList = XMLUtils.getChildElementsByTagName(element,FindQualifiersHandler.TAG_NAME);
76      if (nodeList.size() > 0)
77      {
78        handler = maker.lookup(FindQualifiersHandler.TAG_NAME);
79        obj.setFindQualifiers((FindQualifiers)handler.unmarshal((Element)nodeList.elementAt(0)));
80      }
81  
82      nodeList = XMLUtils.getChildElementsByTagName(element,TModelBagHandler.TAG_NAME);
83      if (nodeList.size() > 0)
84      {
85        handler = maker.lookup(TModelBagHandler.TAG_NAME);
86        obj.setTModelBag((TModelBag)handler.unmarshal((Element)nodeList.elementAt(0)));
87      }
88  
89      nodeList = XMLUtils.getChildElementsByTagName(element,CategoryBagHandler.TAG_NAME);
90      if (nodeList.size() > 0)
91      {
92        handler = maker.lookup(CategoryBagHandler.TAG_NAME);
93        obj.setCategoryBag((CategoryBag)handler.unmarshal((Element)nodeList.elementAt(0)));
94      }
95  
96      return obj;
97    }
98  
99    public void marshal(RegistryObject object,Element parent)
100   {
101     FindBinding request = (FindBinding)object;
102     String generic = request.getGeneric();
103     generic = getGeneric(generic);
104     String namespace = getUDDINamespace(generic);
105     Element element = parent.getOwnerDocument().createElementNS(namespace,TAG_NAME);
106     AbstractHandler handler = null;
107 
108     String key = request.getServiceKey();
109     if (key != null)
110       element.setAttribute("serviceKey",key);
111 
112     element.setAttribute("generic",generic);
113 
114     int maxRows = request.getMaxRows();
115     if (maxRows > 0)
116       element.setAttribute("maxRows",String.valueOf(maxRows));
117 
118     FindQualifiers qualifiers = request.getFindQualifiers();
119     if ((qualifiers != null) && (qualifiers.size() > 0))
120     {
121       handler = maker.lookup(FindQualifiersHandler.TAG_NAME);
122       handler.marshal(qualifiers,element);
123     }
124 
125     CategoryBag catBag = request.getCategoryBag();
126     if (catBag != null)
127     {
128       handler = maker.lookup(CategoryBagHandler.TAG_NAME);
129       handler.marshal(catBag,element);
130     }
131 
132     TModelBag bag = request.getTModelBag();
133     if (bag != null)
134     {
135       handler = maker.lookup(TModelBagHandler.TAG_NAME);
136       handler.marshal(bag,element);
137     }
138 
139     parent.appendChild(element);
140   }
141 
142 
143   /****************************************************************************/
144   /****************************** TEST DRIVER *********************************/
145   /****************************************************************************/
146 
147 
148   public static void main(String args[])
149     throws Exception
150   {
151     HandlerMaker maker = HandlerMaker.getInstance();
152     AbstractHandler handler = maker.lookup(FindBindingHandler.TAG_NAME);
153 
154     Element parent = XMLUtils.newRootElement();
155     Element child = null;
156 
157     CategoryBag catBag = new CategoryBag();
158     catBag.addKeyedReference(new KeyedReference("catBagKeyName","catBagKeyValue"));
159     catBag.addKeyedReference(new KeyedReference("uuid:8ff45356-acde-4a4c-86bf-f953611d20c6","catBagKeyName2","catBagKeyValue2"));
160 
161     TModelBag bag = new TModelBag();
162     bag.addTModelKey("uuid:35d9793b-9911-4b85-9f0e-5d4c65b4f253");
163     bag.addTModelKey(new TModelKey("uuid:c5ab113f-0d6b-4247-b3c4-8c012726acd8"));
164 
165     FindBinding request = new FindBinding();
166     request.addFindQualifier(new FindQualifier(FindQualifier.SORT_BY_DATE_ASC));
167     request.addFindQualifier(new FindQualifier(FindQualifier.AND_ALL_KEYS));
168     request.setMaxRows(50);
169     request.setServiceKey("fd36dbce-bc3e-468b-8346-5374975a0843");
170     request.setTModelBag(bag);
171     request.setCategoryBag(catBag);
172 
173     System.out.println();
174 
175     RegistryObject regObject = request;
176     handler.marshal(regObject,parent);
177     child = (Element)parent.getFirstChild();
178     parent.removeChild(child);
179     XMLUtils.writeXML(child,System.out);
180 
181     System.out.println();
182 
183     regObject = handler.unmarshal(child);
184     handler.marshal(regObject,parent);
185     child = (Element)parent.getFirstChild();
186     parent.removeChild(child);
187     XMLUtils.writeXML(child,System.out);
188   }
189 }