experimenting with more java interop

edgecase · Sep 28, 2010 · 9b97fea · 9b97fea
1 parent 45523c0
commit 9b97fea
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diff --git a/src/Rakefile b/src/Rakefile
@@ -10,3 +10,7 @@ task :test do
   ruby 'path_to_enlightenment.rb'
 end
 
+task :java do
+  `javac **/*.java`
+end
+
diff --git a/src/about_java_interop.rb b/src/about_java_interop.rb
@@ -85,5 +85,15 @@ def test_however_most_methods_returning_strings_return_ruby_strings
     assert_equal __(false), java_array.toString.is_a?(java.lang.String)
   end
 
+  def test_call_custom_class
+    number_generator = com.edgecase.JavaStuff.new
+    assert_equal __(true), number_generator.random_number > 0
+  end
 
+  # FREAKS OUT
+  # def test_call_ruby_to_java_to_ruby
+  #   number_generator = com.edgecase.JavaToRuby.new
+  #   puts number_generator.random_number
+  #   puts "*"*20
+  # end
 end
diff --git a/src/com/edgecase/JavaStuff.class b/src/com/edgecase/JavaStuff.class
diff --git a/src/com/edgecase/JavaStuff.java b/src/com/edgecase/JavaStuff.java
@@ -0,0 +1,18 @@
+package com.edgecase;
+
+import java.util.Random;
+
+class JavaStuff{
+    public static final Random GENERATOR = new Random(System.currentTimeMillis());
+    public static final int DEFAULT_MAX  = 100;
+
+    public JavaStuff(){}
+
+    public int randomNumber(){
+        return randomNumber(DEFAULT_MAX);
+    }
+
+    public int randomNumber(int max){
+        return GENERATOR.nextInt(max) + 1;
+    }
+}
diff --git a/src/com/edgecase/JavaToRuby.class b/src/com/edgecase/JavaToRuby.class
diff --git a/src/com/edgecase/JavaToRuby.java b/src/com/edgecase/JavaToRuby.java
@@ -0,0 +1,28 @@
+package com.edgecase;
+
+import org.jruby.Ruby;
+import java.lang.reflect.Method;
+import java.util.Map;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+
+class JavaToRuby{
+    public static final Ruby RUBY_RUNTIME = Ruby.getDefaultInstance();
+    public static final int  DEFAULT_MAX  = 100;
+
+    public JavaToRuby() {}
+
+    public Object randomNumber() throws ScriptException{
+        return randomNumber(DEFAULT_MAX);
+    }
+
+    public Object randomNumber(int max) throws ScriptException{
+        ScriptEngine jruby = new ScriptEngineManager().getEngineByName("jruby");
+        /* jruby.put("message", "hello world"); */
+        return jruby.eval("puts 'craaaaaaaap!!!!'; rand "+max);
+    }
+}
+
+
diff --git a/src/try_java_to_ruby.rb b/src/try_java_to_ruby.rb
@@ -0,0 +1,5 @@
+include Java
+
+number_generator = com.edgecase.JavaToRuby.new
+puts number_generator.random_number
+puts "*"*20