Import JRuby's strscan

.github/workflows/ci.yml

@@ -24,6 +24,7 @@ jobs:
         - 2.5
         - 2.4
         - debug
+        - jruby-head
         include:
         - { os: windows-latest , ruby: mingw }
         - { os: windows-latest , ruby: mswin }

.gitignore

@@ -4,7 +4,7 @@
 /_yardoc/
 /coverage/
 /doc/
-/lib/
+/lib/*.{jar,so,dylib}
 /pkg/
 /spec/reports/
 /tmp/

Gemfile

@@ -2,6 +2,9 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem "rake-compiler"
-gem "benchmark-driver"
-gem "test-unit"
+group :development do
+  gem "rake-compiler"
+  gem "benchmark-driver"
+  gem "test-unit"
+  gem "ruby-maven", :platforms => :jruby
+end

Rakefile

@@ -15,8 +15,18 @@ namespace :version do
   end
 end
 
-require 'rake/extensiontask'
-Rake::ExtensionTask.new("strscan")
+if RUBY_ENGINE == "jruby"
+  require 'rake/javaextensiontask'
+  Rake::JavaExtensionTask.new("strscan") do |ext|
+    require 'maven/ruby/maven'
+    ext.source_version = '1.8'
+    ext.target_version = '1.8'
+    ext.ext_dir = 'ext/java'
+  end
+else
+  require 'rake/extensiontask'
+  Rake::ExtensionTask.new("strscan")
+end
 
 desc "Run test"
 task :test do