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.repository;
19:
20: import java.io.File;
21: import java.net.MalformedURLException;
22:
23: import org.apache.ivy.plugins.repository.file.FileResource;
24: import org.apache.ivy.plugins.repository.url.URLResource;
25: import org.apache.ivy.util.Message;
26:
27: public final class ResourceHelper {
28:
29: private ResourceHelper() {
30:
31: }
32:
33: public static boolean equals(Resource res, File f) {
34: if (res == null && f == null) {
35: return true;
36: }
37: if (res == null || f == null) {
38: return false;
39: }
40: if (res instanceof FileResource) {
41: return new File(res.getName()).equals(f);
42: } else if (res instanceof URLResource) {
43: try {
44: return f.toURL().toExternalForm().equals(res.getName());
45: } catch (MalformedURLException e) {
46: return false;
47: }
48: }
49: return false;
50: }
51:
52: public static long getLastModifiedOrDefault(Resource res) {
53: long last = res.getLastModified();
54: if (last > 0) {
55: return last;
56: } else {
57: Message.debug("impossible to get date for " + res
58: + ": using 'now'");
59: return System.currentTimeMillis();
60: }
61: }
62: }
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