01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.ivy.plugins.latest;
19:
20: import java.util.Date;
21: import java.util.List;
22: import java.util.ListIterator;
23:
24: public abstract class AbstractLatestStrategy implements LatestStrategy {
25: private String name;
26:
27: public String getName() {
28: return name;
29: }
30:
31: public void setName(String name) {
32: this .name = name;
33: }
34:
35: public String toString() {
36: return name;
37: }
38:
39: public ArtifactInfo findLatest(ArtifactInfo[] infos, Date date) {
40: List l = sort(infos);
41:
42: // the latest revision comes last, use a ListIterator to iterate the
43: // sorted list in the reverse direction.
44: for (ListIterator iter = l.listIterator(l.size()); iter
45: .hasPrevious();) {
46: ArtifactInfo info = (ArtifactInfo) iter.previous();
47: if (date == null || info.getLastModified() < date.getTime()) {
48: return info;
49: }
50: }
51: return null;
52: }
53: }
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