XMLMarshaller


1   /*
2    * $Header: /home/cvs/jakarta-slide/src/share/org/apache/slide/common/XMLMarshaller.java,v 1.11 2004/07/28 09:38:08 ib Exp $
3    * $Revision: 1.11 $
4    * $Date: 2004/07/28 09:38:08 $
5    *
6    * ====================================================================
7    *
8    * Copyright 1999-2002 The Apache Software Foundation 
9    *
10   * Licensed under the Apache License, Version 2.0 (the "License");
11   * you may not use this file except in compliance with the License.
12   * You may obtain a copy of the License at
13   *
14   *     http://www.apache.org/licenses/LICENSE-2.0
15   *
16   * Unless required by applicable law or agreed to in writing, software
17   * distributed under the License is distributed on an "AS IS" BASIS,
18   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19   * See the License for the specific language governing permissions and
20   * limitations under the License.
21   *
22   */ 
23  
24  package org.apache.slide.common;
25  
26  import java.io.Writer  ;
27  
28  /**
29   * XMLMarshaller helper class.
30   * 
31   * @version $Revision: 1.11 $
32   */
33  public final class XMLMarshaller {
34      
35      
36      // --------------------------------------------------------- Public Methods
37      
38      
39      /**
40       * Saves Slide Data to XML.
41       * 
42       * @param writer Writer 
43       * @param startNode Start generating XML from this node of the Slide tree
44       * @exception SlideException 
45       */
46      public static void marshal(NamespaceAccessToken accessToken, 
47                                 SlideToken token, Writer   writer, 
48                                 String   startNode)
49      throws SlideException {
50          /*
51      try {
52          // Retrieve the start element
53          ObjectNode object = 
54                  accessToken.getStructureHelper().retrieve(token, startNode);
55          // Generate an associated Castor object representing the ObjectNode
56          org.apache.slide.common.xml.Objectnode slideObjectDef =
57          new org.apache.slide.common.xml.Objectnode();
58          saveObjectNode(accessToken, token, object, slideObjectDef);
59          // Marshal the Castor object to the Writer
60          slideObjectDef.marshal(writer);
61      } catch (Exception e) {
62          e.printStackTrace();
63      }
64      */
65      }
66      
67      
68      // -------------------------------------------------------- Private Methods
69      
70      
71      /**
72       * Save a ObjectNode to a Castor ObjectNode.
73       * 
74       * @param object Slide Object
75       * @param objectDef Castor ObjectNode definition
76       */
77      /*
78      private static void saveObjectNode
79          (NamespaceAccessToken accessToken, CredentialsToken token, 
80           ObjectNode object, org.apache.slide.common.xml.Objectnode objectDef) {
81          
82          // Set the basic fields of the Castor object
83          objectDef.setClassname(object.getClass().getName());
84          objectDef.setUri(object.getUri().toString());
85          
86          // If the object is or derives from the LinkNode class, we must also 
87          // save it's additional linkedUri field
88          if (object instanceof LinkNode) {
89              objectDef.setTarget(((LinkNode) object).getLinkedUri().toString());
90      }
91          
92          try {
93              // Save permissions associated with the Slide Object
94              Enumeration permissions = accessToken.getSecurityHelper()
95                  .enumeratePermissions(token, object);
96              while (permissions.hasMoreElements()) {
97                  NodePermission permission = 
98                      (NodePermission) permissions.nextElement();
99                  org.apache.slide.common.xml.Permission permissionDef =
100                     new org.apache.slide.common.xml.Permission();
101                 permissionDef.setSubject
102                     (permission.getSubjectUri().toString());
103                 permissionDef.setAction(permission.getActionUri().toString());
104                 permissionDef.setInheritance
105                     ((new Boolean(permission.isInheritable())).toString());
106                 objectDef.addPermission(permissionDef);
107             }
108     */
109             // Saving version information
110             /*
111               SlideProperties properties = accessToken.getStructureHelper()
112               .retrieve(token, object);
113               org.apache.slide.common.xml.Properties propertiesDef =
114               new org.apache.slide.common.xml.Properties();
115               
116               propertiesDef.setContentlanguage
117               (properties.getContentLanguage());
118               propertiesDef.setContenttype(properties.getContentType());
119               if (properties.getCreationDateAsDate() != null) {
120               propertiesDef.setCreationdate
121               ((new Long(properties.getCreationDateAsDate()
122               .getTime())).toString());
123               } else {
124               propertiesDef.setCreationdate(properties.getCreationDate());
125               }
126               //propertiesDef.setLatestrevisionid(properties
127               //.getLatestRevisionId().toString());
128               propertiesDef.setName(properties.getName());
129               
130               Enumeration revisionIdsList = accessToken.getContentHelper()
131               .enumerate(token, properties);
132               while (revisionIdsList.hasMoreElements()) {
133               SlideRevisionId revisionId = 
134               (SlideRevisionId) revisionIdsList.nextElement();
135               SlideRevision revision = accessToken.getContentHelper()
136               .retrieve(token, properties, revisionId);
137               
138               org.apache.slide.common.xml.Revision revisionDef =
139               new org.apache.slide.common.xml.Revision();
140               
141               revisionDef.setAuthor(revision.getAuthor());
142               revisionDef.setCreationdate
143               ((new Long(revision.getCreationDate().getTime())).toString());
144               revisionDef.setId(revision.getId().toString());
145               revisionDef.setName(revision.getName());
146               propertiesDef.addRevision(revisionDef);
147               }
148               objectDef.setProperties(propertiesDef);
149             */
150     /*
151       } catch(SlideException e) {
152     }
153     
154     // Now, we parse all the children of this object
155     try {
156         Enumeration childObjects = accessToken
157                 .getStructureHelper().getChildren(token, object);
158         while (childObjects.hasMoreElements()) {
159         ObjectNode currentObject = 
160                     (ObjectNode) childObjects.nextElement();
161         org.apache.slide.common.xml.Objectnode currentObjectDef =
162             new org.apache.slide.common.xml.Objectnode();
163         // Recursive call to this function
164         saveObjectNode(accessToken, token, currentObject, 
165                                currentObjectDef);
166         objectDef.addObjectnode(currentObjectDef);
167         }
168     } catch(SlideException e) {
169     }
170     
171     }
172 */  
173 }
174
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