01: /**********************************************************************************
02: * $URL: $
03: * $Id: $
04: ***********************************************************************************
05: *
06: * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
07: *
08: * Licensed under the Educational Community License, Version 1.0 (the "License");
09: * you may not use this file except in compliance with the License.
10: * You may obtain a copy of the License at
11: *
12: * http://www.opensource.org/licenses/ecl1.php
13: *
14: * Unless required by applicable law or agreed to in writing, software
15: * distributed under the License is distributed on an "AS IS" BASIS,
16: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: * See the License for the specific language governing permissions and
18: * limitations under the License.
19: *
20: **********************************************************************************/package org.sakaiproject.component.osid.repository.registry;
21:
22: /**
23: * <p>
24: * RepostioryIterator implements an interface with this name in the Repository OSID.
25: * </p>
26: *
27: * @author Massachusetts Institute of Technology
28: * @version $Id: PresenceTool.java 632 2005-07-14 21:22:50Z janderse@umich.edu $
29: */
30: public class RepositoryIterator implements
31: org.osid.repository.RepositoryIterator {
32: java.util.Iterator mIterator = null;
33:
34: /**
35: * Store away what we will return piecemeal.
36: */
37: protected RepositoryIterator(java.util.Vector vector)
38: throws org.osid.repository.RepositoryException {
39: mIterator = vector.iterator();
40: }
41:
42: /**
43: * Return whether there is another Repository or not.
44: */
45: public boolean hasNextRepository()
46: throws org.osid.repository.RepositoryException {
47: try {
48: return mIterator.hasNext();
49: } catch (Exception ex) {
50: throw new org.osid.repository.RepositoryException(
51: org.osid.OsidException.OPERATION_FAILED);
52: }
53: }
54:
55: /**
56: * Return the next Repository or throw an exception if there are no more Repositories.
57: * The exception's message is: org.osid.shared.SharedException.NO_MORE_ITERATOR_ELEMENTS
58: */
59: public org.osid.repository.Repository nextRepository()
60: throws org.osid.repository.RepositoryException {
61: try {
62: return (org.osid.repository.Repository) mIterator.next();
63: } catch (java.util.NoSuchElementException e) {
64: throw new org.osid.repository.RepositoryException(
65: org.osid.shared.SharedException.NO_MORE_ITERATOR_ELEMENTS);
66: }
67: }
68: }
|