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
|
# frozen_string_literal: true
# Copyright (C) 2016-2023 MongoDB Inc.
#
# 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.
module Mongo
class Server
class AppMetadata
# Implements the logic for building the platform string for the
# handshake.
#
# @api private
class Platform
# @return [ Mongo::Server::AppMetadata ] the metadata object to
# reference when building the platform string.
attr_reader :metadata
# Create a new Platform object, referencing the given metadata object.
#
# @param [ Mongo::Server::AppMetadata ] metadata the metadata object
# the reference when building the platform string.
def initialize(metadata)
@metadata = metadata
end
# Queries whether the current runtime is JRuby or not.
#
# @return [ true | false ] whether the runtime is JRuby or not.
def jruby?
BSON::Environment.jruby?
end
# Returns the list of Ruby versions that identify this runtime.
#
# @return [ Array<String> ] the list of ruby versions
def ruby_versions
if jruby?
[ "JRuby #{JRUBY_VERSION}", "like Ruby #{RUBY_VERSION}" ]
else
[ "Ruby #{RUBY_VERSION}" ]
end
end
# Returns the list of platform identifiers that identify this runtime.
#
# @return [ Array<String> ] the list of platform identifiers.
def platforms
[ RUBY_PLATFORM ].tap do |list|
list.push "JVM #{java_version}" if jruby?
end
end
# Returns the version of the current Java environment, or nil if not
# invoked with JRuby.
#
# @return [ String | nil ] the current Java version
def java_version
return nil unless jruby?
java.lang.System.get_property('java.version')
end
# Builds and returns the default platform list, for use when building
# the platform string.
#
# @return [ Array<String> ] the list of platform identifiers
def default_platform_list
[
metadata.platform,
*ruby_versions,
*platforms,
RbConfig::CONFIG['build']
]
end
# Returns a single letter representing the purpose reported to the
# metadata, or nil if no purpose was specified.
#
# @return [ String | nil ] the code representing the purpose
def purpose
return nil unless metadata.purpose
metadata.purpose.to_s[0].upcase
end
# Builds and returns the platform string by concatenating relevant
# values together.
#
# @return [ String ] the platform string
def to_s
primary = [ *default_platform_list, purpose ].compact.join(', ')
list = [ primary ]
metadata.wrapping_libraries&.each do |library|
list << (library[:platform] || '')
end
list.join('|')
end
end
end
end
end
|
