1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*-
* ============LICENSE_START=======================================================
* Simulator
* ================================================================================
* Copyright (C) 2019 Nokia. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.pnfsimulator.filesystem;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardWatchEventKinds;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import lombok.extern.slf4j.Slf4j;
import org.onap.pnfsimulator.db.Storage;
import org.onap.pnfsimulator.template.Template;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Slf4j
@Component
public class WatcherThread implements Runnable {
private final WatchService watchService;
private final Storage<Template> storage;
private final Path templatesDir;
WatcherThread(String templatesDir, WatchService watchService, Storage<Template> storage) throws IOException {
this.watchService = watchService;
this.storage = storage;
this.templatesDir = Paths.get(templatesDir);
registerDirectory(this.templatesDir);
}
@Autowired
public WatcherThread(@Value("${templates.dir}") String templatesDir, Storage<Template> storage) throws IOException {
this(templatesDir, FileSystems.getDefault().newWatchService(), storage);
}
private void registerDirectory(Path path) throws IOException {
path.register(watchService, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE,
StandardWatchEventKinds.ENTRY_MODIFY);
}
@Override
public void run() {
while (true) {
WatchKey key;
try {
key = watchService.take();
for (WatchEvent<?> event : key.pollEvents()) {
WatcherEventProcessor.process(event, storage, templatesDir);
}
key.reset();
} catch (InterruptedException e) {
log.error("Watch service interrupted.", e.getMessage());
Thread.currentThread().interrupt();
return;
}
}
}
}
|
