/
OpenTracingFeature.java
106 lines (89 loc) · 3.09 KB
/
OpenTracingFeature.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
/*
* Copyright (c) 2017, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.opentracing;
import java.util.logging.Logger;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Feature;
import javax.ws.rs.core.FeatureContext;
import org.glassfish.jersey.Beta;
import io.opentracing.util.GlobalTracer;
/**
* A feature that enables OpenTracing support on server and client.
*
* @author Adam Lindenthal
* @since 2.26
*/
@Beta
public class OpenTracingFeature implements Feature {
private static final Logger LOGGER = Logger.getLogger(OpenTracingFeature.class.getName());
private final Verbosity verbosity;
/**
* Creates feature instance with default ({@link Verbosity#INFO} verbosity level.
*/
public OpenTracingFeature() {
verbosity = Verbosity.INFO;
}
/**
* Creates feature instance with given ({@link Verbosity} level.
* @param verbosity desired level of logging verbosity
*/
public OpenTracingFeature(Verbosity verbosity) {
this.verbosity = verbosity;
}
/**
* Stored span's {@link ContainerRequestContext} property key.
*/
public static final String SPAN_CONTEXT_PROPERTY = "span";
/**
* Default resource span name.
*/
public static final String DEFAULT_RESOURCE_SPAN_NAME = "jersey-resource";
/**
* Default child span name.
*/
public static final String DEFAULT_CHILD_SPAN_NAME = "jersey-resource-app";
/**
* Default request "root" span name.
*/
public static final String DEFAULT_REQUEST_SPAN_NAME = "jersey-server";
@Override
public boolean configure(FeatureContext context) {
if (!GlobalTracer.isRegistered()) {
LOGGER.warning(LocalizationMessages.OPENTRACING_TRACER_NOT_REGISTERED());
}
switch (context.getConfiguration().getRuntimeType()) {
case CLIENT:
context.register(OpenTracingClientRequestFilter.class).register(OpenTracingClientResponseFilter.class);
break;
case SERVER:
context.register(new OpenTracingApplicationEventListener(verbosity));
}
return true;
}
/**
* OpenTracing Jersey event logging verbosity.
*/
public enum Verbosity {
/**
* Only logs basic Jersey processing related events.
*/
INFO,
/**
* Logs more fine grained events related to Jersey processing.
*/
TRACE
}
}