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: * LongValueIterator 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 LongValueIterator implements
31: org.osid.shared.LongValueIterator {
32: java.util.Iterator mIterator = null;
33:
34: /**
35: * Store away what we will return piecemeal.
36: */
37: protected LongValueIterator(java.util.Vector vector)
38: throws org.osid.shared.SharedException {
39: mIterator = vector.iterator();
40: }
41:
42: /**
43: * Return whether there is another long or not.
44: */
45: public boolean hasNextLongValue()
46: throws org.osid.shared.SharedException {
47: return mIterator.hasNext();
48: }
49:
50: /**
51: * Return the next long or throw an exception if there are no more longs.
52: * The exception's message is: org.osid.shared.SharedException.NO_MORE_ITERATOR_ELEMENTS
53: */
54: public long nextLongValue() throws org.osid.shared.SharedException {
55: try {
56: return ((Long) mIterator.next()).longValue();
57: } catch (java.util.NoSuchElementException e) {
58: throw new org.osid.shared.SharedException(
59: org.osid.shared.SharedException.NO_MORE_ITERATOR_ELEMENTS);
60: }
61: }
62: }
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