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Java > Open Source Codes > org > apache > juddi > handler > InstanceParmsHandler


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 org.apache.juddi.datatype.RegistryObject;
19 import org.apache.juddi.datatype.binding.InstanceParms;
20 import org.apache.juddi.util.xml.XMLUtils;
21 import org.w3c.dom.Element JavaDoc;
22
23 /**
24  * "Knows about the creation and populating of InstanceParms objects.
25  * Returns InstanceParms."
26  *
27  * @author Steve Viens (sviens@apache.org)
28  */
29 public class InstanceParmsHandler extends AbstractHandler
30 {
31   public static final String JavaDoc TAG_NAME = "instanceParms";
32
33   private HandlerMaker maker = null;
34
35   protected InstanceParmsHandler(HandlerMaker maker)
36   {
37     this.maker = maker;
38   }
39
40   public RegistryObject unmarshal(Element JavaDoc element)
41   {
42     InstanceParms obj = new InstanceParms();
43
44     // Attributes
45 // {none}
46
47     // Text Node Value
48 obj.setText(XMLUtils.getText(element));
49
50     // Child Elements
51 // {nonoe}
52
53     return obj;
54   }
55
56   public void marshal(RegistryObject object,Element JavaDoc parent)
57   {
58     InstanceParms parms = (InstanceParms)object;
59     Element JavaDoc element = parent.getOwnerDocument().createElementNS(null,TAG_NAME);
60
61     String JavaDoc parmsValue = parms.getValue();
62     if (parmsValue != null)
63       element.appendChild(parent.getOwnerDocument().createTextNode(parmsValue));
64
65     parent.appendChild(element);
66   }
67
68
69   /***************************************************************************/
70   /***************************** TEST DRIVER *********************************/
71   /***************************************************************************/
72
73
74   public static void main(String JavaDoc args[])
75     throws Exception JavaDoc
76   {
77     HandlerMaker maker = HandlerMaker.getInstance();
78   AbstractHandler handler = maker.lookup(InstanceParmsHandler.TAG_NAME);
79     Element JavaDoc parent = XMLUtils.newRootElement();
80     Element JavaDoc child = null;
81
82     InstanceParms instParms = new InstanceParms();
83     instParms.setText("iParms-whatever");
84
85     System.out.println();
86
87     RegistryObject regObject = instParms;
88     handler.marshal(regObject,parent);
89     child = (Element JavaDoc)parent.getFirstChild();
90     parent.removeChild(child);
91     XMLUtils.writeXML(child,System.out);
92
93     System.out.println();
94
95     regObject = handler.unmarshal(child);
96     handler.marshal(regObject,parent);
97     child = (Element JavaDoc)parent.getFirstChild();
98     parent.removeChild(child);
99     XMLUtils.writeXML(child,System.out);
100   }
101 }
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