1 files changed, 48 insertions, 53 deletions
diff --git a/ext/json/json.gemspec b/ext/json/json.gemspec
index 948e92c501..5575731025 100644
--- a/ext/json/json.gemspec
+++ b/ext/json/json.gemspec
@@ -1,67 +1,62 @@
-# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+
+version = File.foreach(File.join(__dir__, "lib/json/version.rb")) do |line|
+  /^\s*VERSION\s*=\s*'(.*)'/ =~ line and break $1
+end rescue nil
+
+spec = Gem::Specification.new do |s|
+  java_ext = Gem::Platform === s.platform && s.platform =~ 'java' || RUBY_ENGINE == 'jruby'
 
-Gem::Specification.new do |s|
   s.name = "json"
-  s.version = File.read(File.expand_path('../VERSION', __FILE__)).chomp
+  s.version = version
 
   s.summary = "JSON Implementation for Ruby"
-  s.description = "This is a JSON implementation as a Ruby extension in C."
+  s.homepage = "https://github.com/ruby/json"
+  s.metadata = {
+    'bug_tracker_uri'   => 'https://github.com/ruby/json/issues',
+    'changelog_uri'     => 'https://github.com/ruby/json/blob/master/CHANGES.md',
+    'documentation_uri' => 'https://docs.ruby-lang.org/en/master/JSON.html',
+    'homepage_uri'      => s.homepage,
+    'source_code_uri'   => 'https://github.com/ruby/json',
+  }
+
+  s.required_ruby_version = Gem::Requirement.new(">= 2.7")
+
+  if java_ext
+    s.description = "A JSON implementation as a JRuby extension."
+    s.author = "Daniel Luz"
+    s.email = "dev+ruby@mernen.com"
+  else
+    s.description = "This is a JSON implementation as a Ruby extension in C."
+    s.authors = ["Florian Frank"]
+    s.email = "flori@ping.de"
+  end
+
   s.licenses = ["Ruby"]
-  s.authors = ["Florian Frank"]
-  s.email = "flori@ping.de"
 
-  s.extensions = ["ext/json/ext/generator/extconf.rb", "ext/json/ext/parser/extconf.rb", "ext/json/extconf.rb"]
   s.extra_rdoc_files = ["README.md"]
   s.rdoc_options = ["--title", "JSON implementation for Ruby", "--main", "README.md"]
+
   s.files = [
     "CHANGES.md",
-    "LICENSE",
+    "COPYING",
+    "BSDL",
+    "LEGAL",
     "README.md",
-    "VERSION",
-    "ext/json/ext/fbuffer/fbuffer.h",
-    "ext/json/ext/generator/depend",
-    "ext/json/ext/generator/extconf.rb",
-    "ext/json/ext/generator/generator.c",
-    "ext/json/ext/generator/generator.h",
-    "ext/json/ext/parser/depend",
-    "ext/json/ext/parser/extconf.rb",
-    "ext/json/ext/parser/parser.c",
-    "ext/json/ext/parser/parser.h",
-    "ext/json/ext/parser/parser.rl",
-    "ext/json/extconf.rb",
     "json.gemspec",
-    "lib/json.rb",
-    "lib/json/add/bigdecimal.rb",
-    "lib/json/add/complex.rb",
-    "lib/json/add/core.rb",
-    "lib/json/add/date.rb",
-    "lib/json/add/date_time.rb",
-    "lib/json/add/exception.rb",
-    "lib/json/add/ostruct.rb",
-    "lib/json/add/range.rb",
-    "lib/json/add/rational.rb",
-    "lib/json/add/regexp.rb",
-    "lib/json/add/set.rb",
-    "lib/json/add/struct.rb",
-    "lib/json/add/symbol.rb",
-    "lib/json/add/time.rb",
-    "lib/json/common.rb",
-    "lib/json/ext.rb",
-    "lib/json/generic_object.rb",
-    "lib/json/pure.rb",
-    "lib/json/pure/generator.rb",
-    "lib/json/pure/parser.rb",
-    "lib/json/version.rb",
-  ]
-  s.homepage = "http://flori.github.com/json"
-  s.metadata = {
-    'bug_tracker_uri'   => 'https://github.com/flori/json/issues',
-    'changelog_uri'     => 'https://github.com/flori/json/blob/master/CHANGES.md',
-    'documentation_uri' => 'http://flori.github.io/json/doc/index.html',
-    'homepage_uri'      => 'http://flori.github.io/json/',
-    'source_code_uri'   => 'https://github.com/flori/json',
-    'wiki_uri'          => 'https://github.com/flori/json/wiki'
-  }
+  ] + Dir.glob("lib/**/*.rb", base: File.expand_path("..", __FILE__))
+
+  if java_ext
+    s.platform = 'java'
+    s.files += Dir["lib/json/ext/**/*.jar"]
+  else
+    s.extensions = Dir["ext/json/**/extconf.rb"]
+    s.files += Dir["ext/json/**/*.{c,h,rb}"]
+  end
+end
 
-  s.required_ruby_version = Gem::Requirement.new(">= 2.3")
+if RUBY_ENGINE == 'jruby' && $0 == __FILE__
+  Gem::Builder.new(spec).build
+else
+  spec
 end