added java extension task

1 files changed, 19 insertions, 1 deletions

diff --git a/Rakefile b/Rakefile
index 82af4bf..af5c688 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,7 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 require 'rake/extensiontask'
+require 'rake/javaextensiontask'
 
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
@@ -8,6 +9,23 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList['test/**/*_test.rb']
 end
 
-Rake::ExtensionTask.new("psych")
+if RUBY_PLATFORM =~ /java/
+  Rake::JavaExtensionTask.new("psych") do |ext|
+    require 'maven/ruby/maven'
+    # uses Mavenfile to write classpath into pkg/classpath
+    # and tell maven via system properties the snakeyaml version
+    # this is basically the same as running from the commandline:
+    # rmvn dependency:build-classpath -Dsnakeyaml.version='use version from Psych::DEFAULT_SNAKEYAML_VERSION here'
+    Maven::Ruby::Maven.new.exec( 'dependency:build-classpath', "-Dsnakeyaml.version=#{Psych::DEFAULT_SNAKEYAML_VERSION}", '-Dverbose=true')#, '--quiet' )
+    ext.source_version = '1.7'
+    ext.target_version = '1.7'
+    ext.classpath = File.read('pkg/classpath')
+    ext.ext_dir = 'ext/java'
+  end
+else
+  Rake::ExtensionTask.new("psych") do |ext|
+    ext.lib_dir = File.join(*['lib', ENV['FAT_DIR']].compact)
+  end
+end
 
 task :default => :test