Move Java version to Java directory

Author: nobu

Rakefile

@@ -6,7 +6,7 @@ name = "stringio"
 if RUBY_PLATFORM =~ /java/
   require 'rake/javaextensiontask'
   extask = Rake::JavaExtensionTask.new("stringio") do |ext|
-    require 'maven/ruby/maven'
+    ext.lib_dir << "/#{ext.platform}"
     ext.source_version = '1.8'
     ext.target_version = '1.8'
     ext.ext_dir = 'ext/java'

lib/stringio.rb renamed to lib/java/stringio.rb

@@ -21,7 +21,8 @@ Gem::Specification.new do |s|
   s.files = ["README.md"]
   jruby = true if Gem::Platform.new('java') =~ s.platform or RUBY_ENGINE == 'jruby'
   if jruby
-    s.files += ["lib/stringio.rb", "lib/stringio.jar"]
+    s.require_paths = "lib/java"
+    s.files += ["lib/java/stringio.rb", "lib/java/stringio.jar"]
     s.platform = "java"
   else
     s.extensions = ["ext/stringio/extconf.rb"]