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BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse 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 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. Copyright (C) 2007 William N Dortch <> 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 under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
 package org.jruby.javasupport;
 import org.jruby.Ruby;

Bill Dortch
 public class JavaArrayUtilities {
     public static RubyModule createJavaArrayUtilitiesModule(Ruby runtime) {
         RubyModule javaArrayUtils = runtime.defineModule("JavaArrayUtilities");
         return javaArrayUtils;
     @JRubyMethod(module = true, visibility = .)
     public static IRubyObject bytes_to_ruby_string(ThreadContext contextIRubyObject recvIRubyObject wrappedObject) {
         return bytes_to_ruby_string(contextrecvwrappedObjectcontext.nil);
     @JRubyMethod(module = true, visibility = .)
     public static IRubyObject bytes_to_ruby_string(ThreadContext contextIRubyObject recvIRubyObject wrappedObjectIRubyObject encoding) {
         Ruby runtime = recv.getRuntime();
         byte[] bytes = null;
         if (wrappedObject instanceof JavaProxy) {
             Object wrapped = ((JavaProxy)wrappedObject).getObject();
             if (wrapped instanceof byte[]) {
                 bytes = (byte[])wrapped;
         } else {
             IRubyObject byteArray = (IRubyObject)wrappedObject.dataGetStruct();
             if (byteArray instanceof JavaArray &&
                     ((JavaArray)byteArray).getValue() instanceof byte[]) {
                 bytes = (byte[])((JavaArray)byteArray).getValue();
         if (bytes == null) {
             throw runtime.newTypeError("wrong argument type " + wrappedObject.getMetaClass() +
                     " (expected byte[])");
         RubyString string = runtime.newString(new ByteList(bytestrue));
         if (!encoding.isNil()) {
         return string;
     @JRubyMethod(module = true, visibility = .)
     public static IRubyObject ruby_string_to_bytes(IRubyObject recvIRubyObject string) {
         Ruby runtime = recv.getRuntime();
         if (!(string instanceof RubyString)) {
             throw runtime.newTypeError(stringruntime.getString());
         return JavaUtil.convertJavaToUsableRubyObject(runtime, ((RubyString)string).getBytes());
    @JRubyMethod(module = true)
    public static IRubyObject java_to_ruby(ThreadContext contextIRubyObject recvIRubyObject ary) {
        if (!(ary instanceof ArrayJavaProxy)) {
            throw context.runtime.newTypeError(arycontext.runtime.getJavaSupport().getArrayProxyClass());
        return ((ArrayJavaProxy)ary).to_a(context);
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