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Java > Open Source Codes > org > apache > roller > webservices > adminapi > sdk > UserEntrySet


1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. The ASF licenses this file to You
4 * under the Apache License, Version 2.0 (the "License"); you may not
5 * 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. For additional information regarding
15 * copyright in this work, please see the NOTICE file in the top level
16 * directory of this distribution.
17 */
18 /*
19  * UserEntrySet.java
20  *
21  * Created on January 17, 2006, 12:44 PM
22  */
23
24 package org.apache.roller.webservices.adminapi.sdk;
25
26 import java.io.IOException JavaDoc;
27 import java.io.InputStream JavaDoc;
28 import java.util.ArrayList JavaDoc;
29 import java.util.Iterator JavaDoc;
30 import java.util.List JavaDoc;
31 import org.jdom.Document;
32 import org.jdom.Element;
33 import org.jdom.JDOMException;
34 import org.jdom.input.SAXBuilder;
35 import org.apache.roller.webservices.adminapi.sdk.EntrySet.Types;
36
37 /**
38  * This class describes a set of user entries.
39  * @author jtb
40  */
41 public class UserEntrySet extends EntrySet {
42     /** XML tags that describe a set of user entries. */
43     private static interface Tags {
44         public static final String JavaDoc USERS = "users";
45     }
46         
47     /** Construct based on an array of Roller UserData objects. */
48     public UserEntrySet(String JavaDoc urlPrefix) {
49         setHref(urlPrefix + "/" + Types.USERS);
50     }
51     
52     /** Construct based on a JDOM Document object. */
53     public UserEntrySet(Document d, String JavaDoc urlPrefix) throws MissingElementException, UnexpectedRootElementException {
54         populate(d, urlPrefix);
55     }
56     
57     public UserEntrySet(InputStream JavaDoc stream, String JavaDoc urlPrefix) throws JDOMException, IOException JavaDoc, MissingElementException, UnexpectedRootElementException {
58         SAXBuilder sb = new SAXBuilder();
59         Document d = sb.build(stream);
60
61         populate(d, urlPrefix);
62     }
63     
64     private void populate(Document d, String JavaDoc urlPrefix) throws MissingElementException, UnexpectedRootElementException {
65         Element root = d.getRootElement();
66         String JavaDoc rootName = root.getName();
67         if (!rootName.equals(Tags.USERS)) {
68             throw new UnexpectedRootElementException("ERROR: Unexpected root element", Tags.USERS, rootName);
69         }
70         List JavaDoc users = root.getChildren(UserEntry.Tags.USER, NAMESPACE);
71         if (users != null) {
72             List JavaDoc entries = new ArrayList JavaDoc();
73             for (Iterator JavaDoc i = users.iterator(); i.hasNext(); ) {
74                 Element user = (Element)i.next();
75                 UserEntry entry = new UserEntry(user, urlPrefix);
76                 entries.add(entry);
77             }
78             setEntries((Entry[])entries.toArray(new Entry[0]));
79         }
80         setHref(urlPrefix + "/" + Types.USERS);
81     }
82         
83     public String JavaDoc getType() {
84         return Types.USERS;
85     }
86 }
87
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