Add missing Delegator class that didn't make the move completely.

src/org/jruby/ext/delegate/Delegator.java

@@ -0,0 +1,118 @@
+/***** BEGIN LICENSE BLOCK *****
+ * Version: CPL 1.0/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Common Public
+ * License Version 1.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
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+ * decision by deleting the provisions above and replace them with the notice
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+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the CPL, the GPL or the LGPL.
+ ***** END LICENSE BLOCK *****/
+package org.jruby.ext.delegate;
+
+import org.jruby.RubyMethod;
+import org.jruby.RubyModule;
+import org.jruby.RubyObject;
+import org.jruby.anno.JRubyMethod;
+import org.jruby.internal.runtime.methods.DynamicMethod;
+import org.jruby.internal.runtime.methods.JavaMethod.JavaMethodNBlock;
+import org.jruby.runtime.Block;
+import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.Visibility;
+import org.jruby.runtime.builtin.IRubyObject;
+
+/**
+ *
+ * @author headius
+ */
+public class Delegator {
+
+    @JRubyMethod(visibility = Visibility.PRIVATE)
+    public static IRubyObject initialize(ThreadContext context, IRubyObject self, IRubyObject obj) {
+        return context.getRuntime().getNil();
+    }
+
+    @JRubyMethod(rest = true)
+    public static IRubyObject method_missing(ThreadContext context, IRubyObject self, IRubyObject[] args, Block block) {
+        IRubyObject[] newArgs;
+        if (args.length == 0) {
+            newArgs = IRubyObject.NULL_ARRAY;
+        } else {
+            newArgs = new IRubyObject[args.length - 1];
+            System.arraycopy(args, 1, newArgs, 0, newArgs.length);
+        }
+        String methodName = args[0].asJavaString();
+        IRubyObject object = self.callMethod(context, "__getobj__");
+        DynamicMethod method = ((RubyObject) object).getMetaClass().searchMethod(methodName);
+        if (method.getVisibility().isPrivate()) {
+            throw context.getRuntime().newNoMethodError("method `" + methodName + "' is private", methodName, context.getRuntime().getNil());
+        }
+        return method.call(context, object, object.getMetaClass(), methodName, newArgs, block);
+    }
+
+    @JRubyMethod(rest = true)
+    public static IRubyObject send(ThreadContext context, IRubyObject self, IRubyObject[] args, Block block) {
+        return ((RubyObject) self.callMethod(context, "__getobj__")).send(context, args, block);
+    }
+
+    @JRubyMethod
+    public static IRubyObject method(ThreadContext context, IRubyObject self, IRubyObject name) {
+        final String methodName = name.asJavaString();
+        final IRubyObject object = self.callMethod(context, "__getobj__");
+        // try to get method from self's metaclass
+        if (!self.getMetaClass().searchMethod(methodName).isUndefined()) {
+            return (RubyMethod) ((RubyObject) self).method(name);
+        }
+        // try to get method from delegated object
+        final RubyMethod method = (RubyMethod) ((RubyObject) object).method(name);
+        return RubyMethod.newMethod(self.getMetaClass(), methodName, self.getMetaClass(), methodName, new JavaMethodNBlock(self.getMetaClass(), Visibility.PUBLIC) {
+
+            @Override
+            public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
+                if (self.callMethod(context, "__getobj__") != object) {
+                    throw context.getRuntime().newNameError("object changed", "object changed");
+                }
+                return method.call(context, args, block);
+            }
+        }, self);
+    }
+
+    @JRubyMethod(name = "respond_to?")
+    public static IRubyObject repond_to_p(ThreadContext context, IRubyObject self, IRubyObject name) {
+        if (self.getMetaClass().isMethodBound(name.asJavaString(), false)) {
+            return context.getRuntime().getTrue();
+        }
+        return ((RubyObject) self.callMethod(context, "__getobj__")).callMethod(context, "respond_to?", name);
+    }
+
+    @JRubyMethod
+    public static IRubyObject __getobj__(ThreadContext context, IRubyObject self) {
+        throw context.getRuntime().newNotImplementedError("need to define `__getobj__'");
+    }
+
+    @JRubyMethod
+    public static IRubyObject marshal_dump(ThreadContext context, IRubyObject self) {
+        return (RubyObject) self.callMethod(context, "__getobj__");
+    }
+
+    @JRubyMethod
+    public static IRubyObject marshal_load(ThreadContext context, IRubyObject self, IRubyObject obj) {
+        return self.callMethod(context, "__setobj__", obj);
+    }
+
+}