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1   /*
2    * Copyright 2004 Sun Microsystems, Inc.
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   */
17  package com.sun.syndication.io.impl;
18  
19  import com.sun.syndication.feed.module.SyModule;
20  import com.sun.syndication.feed.module.ModuleI;
21  import com.sun.syndication.feed.module.SyModuleI;
22  import com.sun.syndication.io.ModuleParser;
23  import org.jdom.Element;
24  import org.jdom.Namespace;
25  
26  import java.util.HashMap;
27  import java.util.Map;
28  
29  /***
30   */
31  public class SyModuleParser implements ModuleParser {
32  
33      public String getNamespaceUri() {
34          return SyModuleI.URI;
35      }
36  
37      private Namespace getDCNamespace() {
38          return Namespace.getNamespace(SyModuleI.URI);
39      }
40  
41      private static final Map PERIODS = new HashMap();
42  
43      static {
44          PERIODS.put(SyModuleI.HOURLY.toString(),SyModuleI.HOURLY);
45          PERIODS.put(SyModuleI.DAILY.toString(),SyModuleI.DAILY);
46          PERIODS.put(SyModuleI.WEEKLY.toString(),SyModuleI.WEEKLY);
47          PERIODS.put(SyModuleI.MONTHLY.toString(),SyModuleI.MONTHLY);
48          PERIODS.put(SyModuleI.YEARLY.toString(),SyModuleI.YEARLY);
49      }
50  
51      public ModuleI parse(Element syndRoot) {
52          boolean foundSomething = false;
53          SyModuleI sm = new SyModule();
54  
55          Element e = syndRoot.getChild("updatePeriod",getDCNamespace());
56          if (e!=null) {
57              foundSomething = true;
58              sm.setUpdatePeriod((SyModuleI.Period)PERIODS.get(e.getText()));
59          }
60          e = syndRoot.getChild("updateFrequency",getDCNamespace());
61          if (e!=null) {
62              foundSomething = true;
63              sm.setUpdateFrequency(Integer.parseInt(e.getText()));
64          }
65          e = syndRoot.getChild("updateBase",getDCNamespace());
66          if (e!=null) {
67              foundSomething = true;
68              sm.setUpdateBase(DateParser.parseW3CDateTime(e.getText()));
69          }
70          return (foundSomething) ? sm : null;
71      }
72  
73  }