add java platform checks

Author: geographist

geoscript.gemspec

@@ -3,10 +3,11 @@ $:.push File.expand_path('../lib', __FILE__)
 require 'geoscript/version'
 
 Gem::Specification.new do |gem|
-  gem.name = 'geoscript'
+  gem.name = 'geoscript-ruby'
   gem.version = GeoScript::VERSION
   gem.summary = 'GeoScript is a library for making use of GeoTools from JRuby easier and more fun.'
   gem.description = 'GeoScript for JRuby - makes using GeoTools from JRuby easier and more fun.'
+  gem.platform = 'java'
   gem.licenses = ['MIT']
 
   gem.authors = ['Scooter Wadsworth']

lib/geoscript.rb

@@ -1,21 +1,19 @@
 $:.push File.expand_path(File.join(File.dirname(__FILE__), 'geoscript'))
 
-require 'java'
+if defined?(JRUBY_VERSION)
+  require 'java'
 
-Dir.entries(File.join(File.expand_path(File.dirname(__FILE__)), 'geotools')).sort.each do |entry|
-  if entry =~ /.jar$/
-    $CLASSPATH << File.join(File.expand_path(File.dirname(__FILE__)), "/geotools/#{entry}")
+  Dir.entries(File.join(File.expand_path(File.dirname(__FILE__)), 'geotools')).sort.each do |entry|
+    if entry =~ /.jar$/
+      $CLASSPATH << File.join(File.expand_path(File.dirname(__FILE__)), "/geotools/#{entry}")
+    end
   end
-end
 
-java_import org.geotools.factory.Hints
-
-unless java.lang.System.get_property("org.geotools.referencing.forceXY") == "true"
-  java.lang.System.set_property "org.geotools.referencing.forceXY", "true"
-end
-Hints.put_system_default Hints::FORCE_LONGITUDE_FIRST_AXIS_ORDER, java.lang.Boolean.new(true)
-
-require 'geoscript/version'
-require 'geoscript/util'
-require 'geoscript/projection'
-require 'geoscript/geom'
+  require 'geoscript/version'
+  require 'geoscript/util'
+  require 'geoscript/projection'
+  require 'geoscript/geom'
+  #require 'geoscript/feature'
+else
+  warn "GeoScript is for JRuby only"
+end