From 9b97fea75ab3690add797bbfbedc6ee5a3237c8d Mon Sep 17 00:00:00 2001
From: Marc Peabody <marc@edgecase.com>
Date: Tue, 28 Sep 2010 09:38:41 -0400
Subject: [PATCH] experimenting with more java interop

---
 src/Rakefile                      |   4 ++++
 src/about_java_interop.rb         |  10 ++++++++++
 src/com/edgecase/JavaStuff.class  | Bin 0 -> 622 bytes
 src/com/edgecase/JavaStuff.java   |  18 ++++++++++++++++++
 src/com/edgecase/JavaToRuby.class | Bin 0 -> 1149 bytes
 src/com/edgecase/JavaToRuby.java  |  28 ++++++++++++++++++++++++++++
 src/try_java_to_ruby.rb           |   5 +++++
 7 files changed, 65 insertions(+)
 create mode 100644 src/com/edgecase/JavaStuff.class
 create mode 100644 src/com/edgecase/JavaStuff.java
 create mode 100644 src/com/edgecase/JavaToRuby.class
 create mode 100644 src/com/edgecase/JavaToRuby.java
 create mode 100644 src/try_java_to_ruby.rb

diff --git a/src/Rakefile b/src/Rakefile
index 1a2c7f2..6c1960f 100644
--- 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
index b4fdbd5..342ab88 100644
--- a/src/about_java_interop.rb
+++ b/src/about_java_interop.rb
@@ -85,5 +85,15 @@ class AboutJavaInterop < EdgeCase::Koan
     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
new file mode 100644
index 0000000000000000000000000000000000000000..e9e0b606936af96ec4838e6a77e183dcdb858a2d
GIT binary patch
literal 622
zcmZ9I-A>y;5QWbqPK=F#@YA%EQhrMlE^4W_ph^)9RiXe=l1A-SaqI;d*=xyJqw-GN
zv`B!c)Cb_9P-hM0BEFazkH0-WXYU{G{sQ=jx(y4jZA@Uv;_}8u3Ckwl+E~G=epxfI
zZeoLAeQ6#xyN&))moV2k^UggtQ(@$GJsBkN4q@_hbHDMm)BkbM_(q@>VQMdtBjrgo
z@S;o<`G*0ayc^0;eIgWV^#Q@yO9DZd>4Z`oX7Ny@eQy}?#z}MG$6ZddqETzrxlQc)
z(UXeZOS04#`=LHF-DX=om7Sb?&;}h;Fza9eRR=aE9c-dXsEm6z@y@{(-fO%@sQO9l
zir`fE-blF5ivJHro;-DrhG)W81XGHiswH`PRLwv3E=EekgjqjJQz2D9jKx71Md2uq
z(bh5A^#NA-!Y#g(0v5GBo)+O?3Y;U~&cNWABXFJL%`$i5UfR9^{o;Wz&$XN{Ev^fA
z!BwLxEUHm+yAoWZa5)A$Ib3~$*BLG_VgE*P=^BP{JkD3x>C0yyTkK0e(|=I<ev9%A
Q%qtYf4QX4inBsK*0Qfa(mH+?%

literal 0
HcmV?d00001

diff --git a/src/com/edgecase/JavaStuff.java b/src/com/edgecase/JavaStuff.java
new file mode 100644
index 0000000..3f993f6
--- /dev/null
+++ 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
new file mode 100644
index 0000000000000000000000000000000000000000..0ff0a7373a8f8498b3ec20a8b058d36d10318ca4
GIT binary patch
literal 1149
zcmah|ZBG+H5Pr6WUO5g56~s!BLy;B)PVwC$N=r#<T1=o2`9!wYwK>w>HP<VFf2A=g
zDv3Y9A7z}qR%)9X_ruKY?7Tet%<Ru!-+utuKt{zR7FA5(zJetcK`e%mkUFVgS%o6c
zD^fp@VpWQ@QLMvI@eq$jC~!l;V+BtbwEe^M@yY(-UNKk5GEC$hw_=>S&C-RjPa?%I
zx|7}AKFk+S3fmtTSdL*V<Jb+4+ujkcHbsyyl^H^tmTh@k48i2`5yMc%DGP>3-m=AB
zvsMyrk(a7u(Ohnqom$(*FqK@+pYk(qRJmO--j_~==}}QNdv1!lXHg*qPZ_3@xq*J+
zO|#mms~$K_*A%;!tP*)gIg5^b!n#ba;TB>V;?Nm%X*f3;rfbzb<G@#0yFx$<+~yVG
zG7S3+Xn2O_3^QGP2cB!$m2}gpmZjTVz3Dadgz56msxQz=q;&a4UBe5!l;V|!6gCyS
z*06;)3f^kiMp{D@Hz>R5)C^Is2$MI2(S=RD=+<rX!Vn(>{SQ<0>Wc8%FG*kQ@fz`9
zB>!T!jXu>Tav%Z3e2CZU!ls6<{WG-Ps~#>WFy7mu{_C*kv`zgz@1SCc4SJm47aAvV
z#;XiV|G{)UKjXb)%n&7NcEm^Cta>?rcuis_O2gOdn1W8fW0FQXfS7C$?P8e1G#GCB
z))@@Zo~DW9ZL-XfW~7H#F2O$2hGCXu$Tvnv#>pk%yUvrAuFA?pxrM-|KIbUzkVR&n
z_rvr~ScX2f{A7tM1dlH<6di6MR9L-&LZ@(aqy=@hh0zwYZx{=pn^vU+AlPFBx0^bQ
ag=_G#kX*`FjDJC-AHGJ{cj-ESd%pqrGYCxp

literal 0
HcmV?d00001

diff --git a/src/com/edgecase/JavaToRuby.java b/src/com/edgecase/JavaToRuby.java
new file mode 100644
index 0000000..2ae5958
--- /dev/null
+++ 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
new file mode 100644
index 0000000..0a0e0fe
--- /dev/null
+++ 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