-
Notifications
You must be signed in to change notification settings - Fork 4
/
AutonomousObservableLocalPluginAdapter.java
114 lines (103 loc) · 3.74 KB
/
AutonomousObservableLocalPluginAdapter.java
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/* **************************************************************************************
* Copyright (c) 2021 Calypso Networks Association https://calypsonet.org/
*
* See the NOTICE file(s) distributed with this work for additional information
* regarding copyright ownership.
*
* This program and the accompanying materials are made available under the terms of the
* Eclipse Public License 2.0 which is available at http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
************************************************************************************** */
package org.eclipse.keyple.core.service;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.keyple.core.plugin.AutonomousObservablePluginApi;
import org.eclipse.keyple.core.plugin.spi.AutonomousObservablePluginSpi;
import org.eclipse.keyple.core.plugin.spi.reader.ReaderSpi;
import org.eclipse.keyple.core.util.Assert;
import org.eclipse.keypop.reader.CardReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of an autonomous local {@link ObservablePlugin}.
*
* @since 2.0.0
*/
final class AutonomousObservableLocalPluginAdapter extends AbstractObservableLocalPluginAdapter
implements AutonomousObservablePluginApi {
private static final Logger logger =
LoggerFactory.getLogger(AutonomousObservableLocalPluginAdapter.class);
/**
* Constructor.
*
* @param autonomousObservablePluginSpi The associated plugin SPI.
* @since 2.0.0
*/
AutonomousObservableLocalPluginAdapter(
AutonomousObservablePluginSpi autonomousObservablePluginSpi) {
super(autonomousObservablePluginSpi);
try {
autonomousObservablePluginSpi.setCallback(this);
} catch (Exception e) {
if (logger.isTraceEnabled()) {
logger.trace("Method 'setCallback(...)' unavailable for legacy plugin: {}", e.getMessage());
}
autonomousObservablePluginSpi.connect(this);
}
}
/**
* {@inheritDoc}
*
* @since 2.0.0
*/
@Override
public void onReaderConnected(Set<ReaderSpi> readers) {
Assert.getInstance().notEmpty(readers, "readers");
Set<String> notifyReaders = new HashSet<>();
for (ReaderSpi readerSpi : readers) {
// add reader to plugin
this.addReader(readerSpi);
notifyReaders.add(readerSpi.getName());
}
notifyObservers(
new PluginEventAdapter(getName(), notifyReaders, PluginEvent.Type.READER_CONNECTED));
}
/**
* {@inheritDoc}
*
* @since 2.0.0
*/
@Override
public void onReaderDisconnected(Set<String> readerNames) {
Assert.getInstance().notEmpty(readerNames, "readerNames");
Set<String> notifyReaders = new HashSet<>();
for (String readerName : readerNames) {
CardReader reader = this.getReader(readerName);
if (reader == null) {
logger.warn("Plugin [{}] unable to remove unknown reader [{}]", this.getName(), readerName);
} else {
// unregister and remove reader
((LocalReaderAdapter) reader).unregister();
getReadersMap().remove(reader.getName());
logger.info(
"Plugin [{}] removes reader [{}] from readers list", this.getName(), reader.getName());
notifyReaders.add(readerName);
}
}
notifyObservers(
new PluginEventAdapter(getName(), notifyReaders, PluginEvent.Type.READER_DISCONNECTED));
}
/**
* Create and add a reader to the reader list from a readerSpi
*
* @param readerSpi spi to create the reader from
*/
private void addReader(ReaderSpi readerSpi) {
LocalReaderAdapter reader = buildLocalReaderAdapter(readerSpi);
reader.register();
getReadersMap().put(reader.getName(), reader);
logger.info(
"Plugin [{}] adds reader [{}] to readers list", this.getName(), readerSpi.getName());
}
}