Moving 2.x contribs

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835178 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 0 insertions, 1256 deletions

diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/engines/TuscanyJRubyScriptEngine.java b/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/engines/TuscanyJRubyScriptEngine.java
deleted file mode 100644
index 324246c32b..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/engines/TuscanyJRubyScriptEngine.java
+++ /dev/null
@@ -1,697 +0,0 @@
-/*

-* Copyright (c) 2006, Sun Microsystems, Inc.

-* All rights reserved.

-* 

-* Redistribution and use in source and binary forms, with or without 

-* modification, are permitted provided that the following conditions are met:

-* 

-*  - Redistributions of source code must retain the above copyright notice, this 

-*    list of conditions and the following disclaimer.

-* 

-*  - Redistributions in binary form must reproduce the above copyright notice, 

-*    this list of conditions and the following disclaimer in the documentation 

-*    and/or other materials provided with the distribution.

-* 

-*  - Neither the name of the Sun Microsystems, Inc. nor the names of 

-*    contributors may be used to endorse or promote products derived from this 

-*    software without specific prior written permission.

-* 

-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 

-* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 

-* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 

-* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 

-* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 

-* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY 

-* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 

-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 

-* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 

-* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 

-* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

-* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 

-* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 

-* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 

-* DAMAGE. 

-*/

-package org.apache.tuscany.sca.implementation.script.engines;

-

-import java.io.File;

-import java.io.FileInputStream;

-import java.io.FileNotFoundException;

-import java.io.IOException;

-import java.io.InputStream;

-import java.io.OutputStream;

-import java.io.PrintStream;

-import java.io.Reader;

-import java.io.StringWriter;

-import java.io.UnsupportedEncodingException;

-import java.io.Writer;

-import java.lang.reflect.InvocationHandler;

-import java.lang.reflect.Method;

-import java.lang.reflect.Proxy;

-import java.nio.ByteBuffer;

-import java.nio.CharBuffer;

-import java.nio.charset.Charset;

-import java.nio.charset.CharsetDecoder;

-import java.nio.charset.CoderResult;

-import java.nio.charset.CodingErrorAction;

-import java.security.AccessController;

-import java.security.PrivilegedAction;

-import java.util.Arrays;

-import java.util.Collections;

-import java.util.HashSet;

-import java.util.Iterator;

-import java.util.List;

-import java.util.Set;

-

-import javax.script.AbstractScriptEngine;

-import javax.script.Bindings;

-import javax.script.Compilable;

-import javax.script.CompiledScript;

-import javax.script.Invocable;

-import javax.script.ScriptContext;

-import javax.script.ScriptEngine;

-import javax.script.ScriptEngineFactory;

-import javax.script.ScriptException;

-import javax.script.SimpleBindings;

-

-import org.jruby.Ruby;

-import org.jruby.RubyException;

-import org.jruby.RubyIO;

-import org.jruby.RubyObject;

-import org.jruby.ast.Node;

-import org.jruby.exceptions.RaiseException;

-import org.jruby.internal.runtime.GlobalVariable;

-import org.jruby.internal.runtime.GlobalVariables;

-import org.jruby.internal.runtime.ReadonlyAccessor;

-import org.jruby.internal.runtime.ValueAccessor;

-import org.jruby.javasupport.Java;

-import org.jruby.javasupport.JavaEmbedUtils;

-import org.jruby.javasupport.JavaObject;

-import org.jruby.javasupport.JavaUtil;

-import org.jruby.runtime.Block;

-import org.jruby.runtime.IAccessor;

-import org.jruby.runtime.builtin.IRubyObject;

-import org.jruby.util.KCode;

-

-import com.sun.script.jruby.JRubyScriptEngineFactory;

-

-/**

- * This class is a copy of the class com.sun.script.ruby.JRubyScriptEngine with some minor modifications

- * to work around problems with Tuscany setting SCA properties and references as global variable in JRuby

- * Should only need it temporarily till a new BSF release fixes it.

- *

- * @version $Rev$ $Date$

- */

-@SuppressWarnings("unchecked")

-public class TuscanyJRubyScriptEngine extends AbstractScriptEngine 

-        implements Compilable, Invocable { 

-

-    // my factory, may be null

-    private ScriptEngineFactory factory;

-    private Ruby runtime;

-   

-    public TuscanyJRubyScriptEngine() {

-        // Allow privileged access to ready properties. Requires PropertyPermission in security

-        // policy.

-        String rubyPath = AccessController.doPrivileged(new PrivilegedAction<String>() {

-            public String run() {

-                return System.getProperty("com.sun.script.jruby.loadpath");

-            }

-        });

-        init(rubyPath);

-    }

-

-    public TuscanyJRubyScriptEngine(String loadPath) {

-        init(loadPath);

-    }

-

-    // my implementation for CompiledScript

-    private class JRubyCompiledScript extends CompiledScript {

-        // my compiled code

-        private Node node;     

-

-        JRubyCompiledScript (Node node) {

-            this.node = node;

-        }

-

-        public ScriptEngine getEngine() {

-            return TuscanyJRubyScriptEngine.this;

-        }

-

-        public Object eval(ScriptContext ctx) throws ScriptException {

-            return evalNode(node, ctx);

-        }

-    }

-

-    // Compilable methods

-    public CompiledScript compile(String script) 

-                                  throws ScriptException {  

-        Node node = compileScript(script, context);

-        return new JRubyCompiledScript(node);

-    }

-

-    public CompiledScript compile (Reader reader) 

-                                  throws ScriptException {  

-        Node node = compileScript(reader, context);

-        return new JRubyCompiledScript(node);

-    }

-

-    // Invocable methods

-    public Object invokeFunction(String name, Object... args) 

-                         throws ScriptException, NoSuchMethodException {       

-        return invokeImpl(null, name, args, Object.class);

-    }

-

-    public Object invokeMethod(Object obj, String name, Object... args) 

-                         throws ScriptException, NoSuchMethodException {       

-        if (obj == null) {

-            throw new IllegalArgumentException("script object is null");

-        }

-        return invokeImpl(obj, name, args, Object.class);

-    }

-

-    public Object getInterface(Object obj, Class clazz) {

-        if (obj == null) {

-            throw new IllegalArgumentException("script object is null");

-        }

-        return makeInterface(obj, clazz);

-    }

-

-    public Object getInterface(Class clazz) {

-        return makeInterface(null, clazz);

-    }

-

-    private <T> T makeInterface(Object obj, Class<T> clazz) {

-        if (clazz == null || !clazz.isInterface()) {

-            throw new IllegalArgumentException("interface Class expected");

-        }

-        final Object thiz = obj;

-        return (T) Proxy.newProxyInstance(

-              clazz.getClassLoader(),

-              new Class[] { clazz },

-              new InvocationHandler() {

-                  public Object invoke(Object proxy, Method m, Object[] args)

-                                       throws Throwable {

-                      return invokeImpl(thiz, m.getName(),

-                                        args, m.getReturnType());

-                  }

-              });

-    }

-

-    // ScriptEngine methods

-    public synchronized Object eval(String str, ScriptContext ctx) 

-                       throws ScriptException { 

-        Node node = compileScript(str, ctx);

-        return evalNode(node, ctx);

-    }

-

-    public synchronized Object eval(Reader reader, ScriptContext ctx)

-                       throws ScriptException { 

-        Node node = compileScript(reader, ctx);

-        return evalNode(node, ctx);

-    }

-

-    public ScriptEngineFactory getFactory() {

-        synchronized (this) {

-            if (factory == null) {

-                factory = new JRubyScriptEngineFactory();

-            }

-        }

-        return factory;

-    }

-

-    public Bindings createBindings() {

-        return new SimpleBindings();

-    }

-

-    // package-private methods

-    void setFactory(ScriptEngineFactory factory) {

-        this.factory = factory;

-    } 

-

-    // internals only below this point    

-

-    private Object rubyToJava(IRubyObject value) {

-        return rubyToJava(value, Object.class);

-    }

-

-    private Object rubyToJava(IRubyObject value, Class type) {

-        return JavaUtil.convertArgument(

-                runtime,

-                Java.ruby_to_java(value, value, Block.NULL_BLOCK), 

-                type);

-    }

-

-    private IRubyObject javaToRuby(Object value) {

-        if (value instanceof IRubyObject) {

-            return (IRubyObject) value;

-        }

-        IRubyObject result = JavaUtil.convertJavaToRuby(runtime, value);

-        if (result instanceof JavaObject) {

-            return runtime.getModule("JavaUtilities").callMethod(runtime.getCurrentContext(), "wrap", result);

-        }

-        return result;

-    }   

-

-    private synchronized Node compileScript(String script, ScriptContext ctx) 

-                                 throws ScriptException {

-        GlobalVariables oldGlobals = runtime.getGlobalVariables();  

-        try {

-            setErrorWriter(ctx.getErrorWriter());

-            setGlobalVariables(ctx);

-            String filename = (String) ctx.getAttribute(ScriptEngine.FILENAME);

-            if (filename == null) {

-                filename = "<unknown>";

-            }            

-            return runtime.parseEval(script, filename, null, 0);

-        } catch (RaiseException e) {

-            RubyException re =  e.getException();

-            runtime.printError(re);

-            throw new ScriptException(e);

-        } catch (Exception e) {

-            throw new ScriptException(e);

-        } finally {

-            if (oldGlobals != null) {

-                setGlobalVariables(oldGlobals);

-            }

-        }

-    }

-

-    private synchronized Node compileScript(Reader reader, ScriptContext ctx) 

-                                 throws ScriptException {

-        GlobalVariables oldGlobals = runtime.getGlobalVariables();  

-        try {

-            setErrorWriter(ctx.getErrorWriter());

-            setGlobalVariables(ctx);

-            String filename = (String) ctx.getAttribute(ScriptEngine.FILENAME);

-            if (filename == null) {

-                filename = "<unknown>";

-                String script = getRubyScript(reader);

-                return runtime.parseEval(script, filename, null, 0);

-            }

-            InputStream inputStream = getRubyReader(filename);

-            return runtime.parseFile(inputStream, filename, null);

-        } catch (RaiseException e) {

-            RubyException re =  e.getException();

-            runtime.printError(re);

-            throw new ScriptException(e);

-        } catch (Exception exp) {

-            throw new ScriptException(exp);

-        } finally {

-            if (oldGlobals != null) {

-                setGlobalVariables(oldGlobals);

-            }

-        }

-    }

-

-    private String getRubyScript(Reader reader) throws IOException {

-        StringBuffer sb = new StringBuffer();

-        char[] cbuf;

-        while (true) {

-            cbuf = new char[8*1024];

-            int chars = reader.read(cbuf, 0, cbuf.length);

-            if (chars < 0) {

-                break;

-            }

-            sb.append(cbuf, 0, chars);

-        }

-        cbuf = null;

-        return (new String(sb)).trim();

-    }

-    

-    private InputStream getRubyReader(String filename) throws FileNotFoundException {

-        File file = new File(filename);

-        return new FileInputStream(file);

-    }

-

-    private void setGlobalVariables(final ScriptContext ctx) {

-        ctx.setAttribute("context", ctx, ScriptContext.ENGINE_SCOPE);

-        setGlobalVariables(new GlobalVariables(runtime) {

-                GlobalVariables parent = runtime.getGlobalVariables();

-

-            @Override

-                public void define(String name, IAccessor accessor) {

-                    assert name != null;

-                    assert accessor != null;

-                    assert name.startsWith("$");

-                    synchronized (ctx) {

-                        Bindings engineScope = ctx.getBindings(ScriptContext.ENGINE_SCOPE);                  

-                        engineScope.put(name, new GlobalVariable(accessor)); 

-                    }

-                }

-

-            @Override

-                public void defineReadonly(String name, IAccessor accessor) {

-                    assert name != null;

-                    assert accessor != null;

-                    assert name.startsWith("$");

-                    synchronized (ctx) {

-                        Bindings engineScope = ctx.getBindings(ScriptContext.ENGINE_SCOPE);

-                        engineScope.put(name, new GlobalVariable(new 

-                                             ReadonlyAccessor(name, accessor)));

-                    }

-                } 

-

-            @Override

-                public boolean isDefined(String name) {

-                    assert name != null;

-                    assert name.startsWith("$");

-                    synchronized (ctx) {

-                        String modifiedName = name.substring(1);

-                        boolean defined = ctx.getAttributesScope(modifiedName) != -1;

-                        return defined ? true : parent.isDefined(name);

-                    }

-                }

-

-            @Override

-                public void alias(String name, String oldName) {

-                    assert name != null;

-                    assert oldName != null;

-                    assert name.startsWith("$");

-                    assert oldName.startsWith("$");

-

-                    if (runtime.getSafeLevel() >= 4) {

-                        throw runtime.newSecurityError("Insecure: can't alias global variable");

-                    }

-

-                    synchronized (ctx) {

-                        int scope = ctx.getAttributesScope(name);

-                        if (scope == -1) {

-                            scope = ScriptContext.ENGINE_SCOPE;

-                        }

-

-                        IRubyObject value = get(oldName);

-                        ctx.setAttribute(name, rubyToJava(value), scope);

-                    }

-                }

-

-            @Override

-                public IRubyObject get(String name) {

-                    assert name != null;

-                    assert name.startsWith("$");

-

-                    synchronized (ctx) {

-                        // skip '$' and try

-                        String modifiedName = name.substring(1);

-                        int scope = ctx.getAttributesScope(modifiedName);

-                        if (scope == -1) {

-                            return parent.get(name);

-                        }

-

-                        Object obj = ctx.getAttribute(modifiedName, scope);

-                        if (obj instanceof IAccessor) {

-                            return ((IAccessor)obj).getValue();

-                        } else {

-                            return javaToRuby(obj);

-                        }

-                    }                    

-                }

-

-            @Override

-                public IRubyObject set(String name, IRubyObject value) {

-                    assert name != null;

-                    assert name.startsWith("$");

-

-                    if (runtime.getSafeLevel() >= 4) {

-                        throw runtime.newSecurityError("Insecure: can't change global variable value");

-                    }

-

-                    synchronized (ctx) {

-                        // skip '$' and try

-                        String modifiedName = name.substring(1);

-                        int scope = ctx.getAttributesScope(modifiedName);

-                        if (scope == -1) {

-                            scope = ScriptContext.ENGINE_SCOPE;

-                        }

-                        IRubyObject oldValue = get(name);

-                        Object obj = ctx.getAttribute(modifiedName, scope);

-                        if (obj instanceof IAccessor) {

-                            ((IAccessor)obj).setValue(value);

-                        } else {                        

-                            ctx.setAttribute(modifiedName, rubyToJava(value), scope);

-                            if ("KCODE".equals(modifiedName)) {

-                                setKCode((String)rubyToJava(value));

-                            } else if ("stdout".equals(modifiedName)) {

-                                equalOutputs((RubyObject)value);

-                            }

-                        }

-                        return oldValue;

-                    }

-                }

-

-            @Override

-                public Set<String> getNames() {                    

-                    HashSet set = new HashSet();

-                    synchronized (ctx) {

-                        for (Object scope : ctx.getScopes()) {

-                            Bindings b = ctx.getBindings((Integer)scope);

-                            if (b != null) {

-                                for (Object key: b.keySet()) {

-                                    set.add(key);

-                                }

-                            }

-                        }

-                    }

-                    for (Iterator<String> names = parent.getNames().iterator(); names.hasNext();) {

-                        set.add(names.next());

-                    }

-                    return Collections.unmodifiableSet(set);

-                }

-

-            @Override

-                public IRubyObject getDefaultSeparator() {

-                    return parent.getDefaultSeparator();

-                }

-            });

-    }

-

-    private void setGlobalVariables(GlobalVariables globals) {

-        runtime.setGlobalVariables(globals);

-    }

-

-    private synchronized Object evalNode(Node node, ScriptContext ctx) 

-                            throws ScriptException {

-        GlobalVariables oldGlobals = runtime.getGlobalVariables();

-        try {

-            setWriterOutputStream(ctx.getWriter());

-            setErrorWriter(ctx.getErrorWriter());

-            setGlobalVariables(ctx);

-            return rubyToJava(runtime.runNormally(node, false));

-        } catch (Exception exp) {

-            throw new ScriptException(exp);

-        } finally {

-            try {

-                JavaEmbedUtils.terminate(runtime);

-            } catch (RaiseException e) {

-                RubyException re =  e.getException();

-                runtime.printError(re);

-                if (!runtime.fastGetClass("SystemExit").isInstance(re)) {

-                    throw new ScriptException(e);

-                }

-            } finally {

-                if (oldGlobals != null) {

-                    setGlobalVariables(oldGlobals);

-                }

-            }

-        }

-    }

-

-    private void init(final String loadPath) {

-        AccessController.doPrivileged(new PrivilegedAction<Object>() {

-            public Object run() {

-                runtime = Ruby.newInstance();

-                IAccessor d = new ValueAccessor(runtime.newString("<script>"));

-                runtime.getGlobalVariables().define("$PROGRAM_NAME", d);

-                runtime.getGlobalVariables().define("$0", d);

-                String path = loadPath;

-                if (path == null) {

-                    path = System.getProperty("java.class.path");

-                }

-                List list = Arrays.asList(path.split(File.pathSeparator));

-                runtime.getLoadService().init(list);

-                runtime.getLoadService().require("java");

-                return null;

-            }

-        });

-    }

-

-    private synchronized Object invokeImpl(final Object obj, String method, 

-                        Object[] args, Class returnType)

-                        throws ScriptException {

-        if (method == null) {

-            throw new NullPointerException("method name is null");

-        }

-        GlobalVariables oldGlobals = runtime.getGlobalVariables();

-        try {

-            setWriterOutputStream(context.getWriter());

-            setErrorWriter(context.getErrorWriter());

-            setGlobalVariables(context);           

-            IRubyObject rubyRecv = obj != null ? 

-                  JavaUtil.convertJavaToRuby(runtime, obj) : runtime.getTopSelf();

-            

-            IRubyObject result;

-            if (args != null && args.length > 0) {

-                IRubyObject[] rubyArgs = JavaUtil.convertJavaArrayToRuby(runtime, args);

-                // Create Ruby proxies for any input arguments that are not primitives.

-                IRubyObject javaUtilities = runtime.getObject().getConstant("JavaUtilities");

-                for (int i = 0; i < rubyArgs.length; i++) {

-                    IRubyObject tmp = rubyArgs[i];

-                    if (tmp instanceof JavaObject) {

-                        rubyArgs[i] = javaUtilities.callMethod(runtime.getCurrentContext(), "wrap", tmp);

-                    }

-                }

-                result = rubyRecv.callMethod(runtime.getCurrentContext(), method, rubyArgs);

-            } else {

-                result = rubyRecv.callMethod(runtime.getCurrentContext(), method);

-            }   

-            return rubyToJava(result, returnType);

-        } catch (Exception exp) {

-            throw new ScriptException(exp);

-        } finally {

-            try {

-                JavaEmbedUtils.terminate(runtime);

-            } catch (RaiseException e) {

-                RubyException re =  e.getException();

-                runtime.printError(re);

-                if (!runtime.fastGetClass("SystemExit").isInstance(re)) {

-                    throw new ScriptException(e);

-                }

-            } finally {

-                if (oldGlobals != null) {

-                    setGlobalVariables(oldGlobals);

-                }

-            }

-        }

-    }

-    

-    private void setKCode(String encoding) {

-        KCode kcode = KCode.create(runtime, encoding);

-        runtime.setKCode(kcode);

-    }

-    

-    private void equalOutputs(RubyObject value) {

-        runtime.getGlobalVariables().set("$>", value);

-        runtime.getGlobalVariables().set("$defout", value);

-    }

-    

-    private void setWriterOutputStream(Writer writer) {

-        try {

-            RubyIO dummy_io = 

-                new RubyIO(runtime, new PrintStream(new WriterOutputStream(new StringWriter())));

-            runtime.getGlobalVariables().set("$stderr", dummy_io); //discard unwanted warnings

-            RubyIO io = 

-                new RubyIO(runtime, new PrintStream(new WriterOutputStream(writer)));

-            io.getOpenFile().getMainStream().setSync(true);

-            runtime.defineGlobalConstant("STDOUT", io);

-            runtime.getGlobalVariables().set("$>", io);

-            runtime.getGlobalVariables().set("$stdout", io);

-            runtime.getGlobalVariables().set("$defout", io);

-        } catch (UnsupportedEncodingException exp) {

-            throw new IllegalArgumentException(exp);

-        }

-    }

-    

-    private void setErrorWriter(Writer writer) {

-        try {

-            RubyIO dummy_io = 

-                new RubyIO(runtime, new PrintStream(new WriterOutputStream(new StringWriter())));

-            runtime.getGlobalVariables().set("$stderr", dummy_io); //discard unwanted warnings

-            RubyIO io = 

-                new RubyIO(runtime, new PrintStream(new WriterOutputStream(writer)));

-            io.getOpenFile().getMainStream().setSync(true);

-            runtime.defineGlobalConstant("STDERR", io);

-            runtime.getGlobalVariables().set("$stderr", io);

-            runtime.getGlobalVariables().set("$deferr", io);

-        } catch (UnsupportedEncodingException exp) {

-            throw new IllegalArgumentException(exp);

-        }

-    }

-

-    private String getEncoding() {

-        String enc = System.getProperty("sun.jnu.encoding");

-        if (enc != null) {

-            return enc;

-        }

-        return ((enc = System.getProperty("file.encoding")) == null) ? "UTF-8" : enc;

-    }

-    

-    private class WriterOutputStream extends OutputStream {

-

-        private Writer writer;

-        private CharsetDecoder decoder;

-        

-        private WriterOutputStream(Writer writer) throws UnsupportedEncodingException {

-            this(writer, getEncoding());

-        }

-        

-        private WriterOutputStream(Writer writer, String enc) throws UnsupportedEncodingException {

-            this.writer = writer;

-            if (enc == null) {

-                throw new UnsupportedEncodingException("encoding is " + enc);

-            }

-            try {

-                decoder = Charset.forName(enc).newDecoder();

-            } catch (Exception e) {

-                throw new UnsupportedEncodingException("Unsupported: " + enc);

-            }

-            decoder.onMalformedInput(CodingErrorAction.REPLACE);

-            decoder.onUnmappableCharacter(CodingErrorAction.REPLACE);

-        }

-        

-        @Override

-        public void close() throws IOException {

-            synchronized(writer) {

-                decoder = null;

-                writer.close();

-            }

-        }

-

-        @Override

-        public void flush() throws IOException {

-            synchronized(writer) {

-                writer.flush();

-            }

-        }

-        

-        @Override

-        public void write(int b) throws IOException {

-            byte[] buffer = new byte[1];

-            write(buffer, 0, 1);

-        }

-        

-        @Override

-        public void write(byte[] buffer) throws IOException {

-            write(buffer, 0, buffer.length);

-        }

-

-        @Override

-        public void write(byte[] buffer, int offset, int length) throws IOException {

-            synchronized(writer) {

-                if (offset < 0 || offset > buffer.length - length || length < 0) {

-                    throw new IndexOutOfBoundsException();

-                }

-                if (length == 0) {

-                    return;

-                }

-                ByteBuffer bytes = ByteBuffer.wrap(buffer, offset, length);

-                CharBuffer chars = CharBuffer.allocate(length);

-                convert(bytes, chars);

-                char[] cbuf = new char[chars.length()];

-                chars.get(cbuf, 0, chars.length());

-                writer.write(cbuf);

-                writer.flush();

-            }

-        }

-

-        private void convert(ByteBuffer bytes, CharBuffer chars) throws IOException {

-            decoder.reset();

-            chars.clear();

-            CoderResult result = decoder.decode(bytes, chars, true);

-            if (result.isError() || result.isOverflow()) {

-                throw new IOException(result.toString());

-            } else if (result.isUnderflow()) {

-                chars.flip();

-            }

-        }

-    }

-}

diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProvider.java b/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProvider.java
deleted file mode 100644
index 473b990a79..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProvider.java
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.    
- */
-
-package org.apache.tuscany.sca.implementation.script.provider;
-
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-
-import javax.script.Invocable;
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineManager;
-import javax.script.ScriptException;
-
-import org.apache.axiom.om.OMElement;
-import org.apache.bsf.xml.XMLHelper;
-import org.apache.tuscany.sca.assembly.ComponentReference;
-import org.apache.tuscany.sca.assembly.Property;
-import org.apache.tuscany.sca.assembly.Reference;
-import org.apache.tuscany.sca.assembly.Service;
-import org.apache.tuscany.sca.core.factory.ObjectCreationException;
-import org.apache.tuscany.sca.core.factory.ObjectFactory;
-import org.apache.tuscany.sca.implementation.script.ScriptImplementation;
-import org.apache.tuscany.sca.implementation.script.engines.TuscanyJRubyScriptEngine;
-import org.apache.tuscany.sca.interfacedef.InterfaceContract;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
-import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.provider.ImplementationProvider;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeComponentService;
-
-/**
- * An ImplementationProvider for Script implementations.
- *
- * @version $Rev: $ $Date: $
- */
-public class ScriptImplementationProvider implements ImplementationProvider {
-    
-    private RuntimeComponent component;
-    private ScriptImplementation implementation;
-    private ScriptPropertyFactory propertyFactory;
-    private ScriptEngine scriptEngine;
-    private XMLHelper xmlHelper;
-    
-    public ScriptImplementationProvider(RuntimeComponent component, ScriptImplementation implementation, ScriptPropertyFactory propertyFactory) {
-        this.component = component;
-        this.implementation = implementation;
-        this.propertyFactory = propertyFactory;
-
-        // Set the databinding and XMLHelper for WSDL interfaces
-        for (Service service : component.getServices()) {
-            InterfaceContract ic = service.getInterfaceContract();
-            if (ic instanceof WSDLInterfaceContract) {
-                ic.getInterface().resetDataBinding(OMElement.class.getName());
-                xmlHelper = XMLHelper.getArgHelper(scriptEngine);
-            }
-        }
-    }
-
-    public void start() {
-        try {
-            String language = implementation.getLanguage();
-            if (language == null) {
-                language = implementation.getScript();
-                language = language.substring(language.lastIndexOf('.') +1);
-            }
-            scriptEngine = scriptEngine(language);
-            if (scriptEngine == null) {
-                throw new ObjectCreationException("no script engine found for language: " + implementation.getLanguage());
-            }
-            if (!(scriptEngine instanceof Invocable)) {
-                throw new ObjectCreationException("script engine does not support Invocable: " + scriptEngine);
-            }
-            
-            for (Reference reference : implementation.getReferences()) {
-                scriptEngine.put(reference.getName(), getProxy(reference.getName()));
-            }
-
-            for (Property property : implementation.getProperties()) {
-                ObjectFactory<?> valueFactory = propertyFactory.createValueFactory(property);
-                if (valueFactory != null) {
-                    scriptEngine.put(property.getName(), valueFactory.getInstance());
-                }
-            }
-
-            URL url = new URL(implementation.getLocation());
-            InputStreamReader reader = new InputStreamReader(url.openStream());
-            scriptEngine.eval(reader);
-            reader.close();
-
-        } catch (IOException e) {
-            throw new IllegalArgumentException(e);
-        } catch (ScriptException e) {
-            throw new IllegalArgumentException(e);
-        }
-    }
-
-    public void stop() {
-    }
-
-    public boolean supportsOneWayInvocation() {
-        return false;
-    }
-
-    public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
-        return new ScriptInvoker(scriptEngine, xmlHelper, operation);
-    }
-
-    private Object getProxy(String name) {
-        for (ComponentReference reference : component.getReferences()) {
-            if (reference.getName().equals(name)) {
-                Class<?> iface = ((JavaInterface)reference.getInterfaceContract().getInterface()).getJavaClass();
-                return component.getComponentContext().getService(iface, name);
-            }
-        }
-        throw new IllegalArgumentException("reference " + name + " not found on component: " + component);
-    }
-
-    /**
-     * Returns the script engine for the given language.
-     * 
-     * @param language
-     * @return
-     */
-    private ScriptEngine scriptEngine(String language) {
-        if ("rb".equals(language)) {
-
-            // Hack for now to work around a problem with the JRuby script engine
-            return new TuscanyJRubyScriptEngine();
-        } else {
-            if ("py".equals(language)) {
-                pythonCachedir();
-            }
-            
-            // Allow privileged access to run access classes. Requires RuntimePermission
-            // for accessClassInPackage.sun.misc.
-            ScriptEngineManager scriptEngineManager =
-                AccessController.doPrivileged(new PrivilegedAction<ScriptEngineManager>() {
-                    public ScriptEngineManager run() {
-                        return new ScriptEngineManager();
-                    }
-                });
-            return scriptEngineManager.getEngineByExtension(language);
-        }
-    }
-
-    /**
-     * If the Python home isn't set then let Tuscany suppress messages other than errors
-     * See TUSCANY-1950
-     */
-    private static void pythonCachedir() {
-        if (System.getProperty("python.home") == null) {
-          System.setProperty("python.verbose", "error");
-        }
-    }
-}
diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProviderFactory.java b/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProviderFactory.java
deleted file mode 100644
index f65403c9ed..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptImplementationProviderFactory.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.    
- */
-
-package org.apache.tuscany.sca.implementation.script.provider;
-
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
-import org.apache.tuscany.sca.databinding.Mediator;
-import org.apache.tuscany.sca.databinding.TransformerExtensionPoint;
-import org.apache.tuscany.sca.databinding.impl.MediatorImpl;
-import org.apache.tuscany.sca.implementation.script.ScriptImplementation;
-import org.apache.tuscany.sca.provider.ImplementationProvider;
-import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-
-/**
- * An ImplementationProviderFactory for Script implementations.
- *
- * @version $Rev: $ $Date: $
- */
-public class ScriptImplementationProviderFactory implements ImplementationProviderFactory<ScriptImplementation> {
-    
-    private ScriptPropertyFactory propertyFactory;
-    
-    public ScriptImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
-        Mediator mediator = new MediatorImpl(extensionPoints.getExtensionPoint(DataBindingExtensionPoint.class),
-                                         extensionPoints.getExtensionPoint(TransformerExtensionPoint.class));
-        propertyFactory = new ScriptPropertyFactory(mediator);
-    }
-
-    public ImplementationProvider createImplementationProvider(RuntimeComponent component, ScriptImplementation Implementation) {
-        return new ScriptImplementationProvider(component, Implementation, propertyFactory);
-    }
-    
-    public Class<ScriptImplementation> getModelType() {
-        return ScriptImplementation.class;
-    }
-    
-}
diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java b/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java
deleted file mode 100644
index 976eb2c0dd..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.    
- */
-
-package org.apache.tuscany.sca.implementation.script.provider;
-
-import javax.script.Invocable;
-import javax.script.ScriptEngine;
-import javax.script.ScriptException;
-
-import org.apache.axiom.om.OMElement;
-import org.apache.bsf.xml.XMLHelper;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.invocation.Message;
-
-/**
- * Perform the actual script invocation
- *
- * @version $Rev$ $Date$
- */
-public class ScriptInvoker implements Invoker {
-
-    private ScriptEngine scriptEngine;
-    private XMLHelper xmlHelper;
-    private Operation operation;
-
-    public ScriptInvoker(ScriptEngine scriptEngine, XMLHelper xmlHelper, Operation operation) {
-        this.scriptEngine = scriptEngine;
-        this.xmlHelper = xmlHelper;
-        this.operation = operation;
-    }
-
-    private Object doInvoke(Object[] objects, Operation op) throws ScriptException {
-        if (xmlHelper != null) {
-            objects[0] = xmlHelper.toScriptXML((OMElement)objects[0]);
-        }
-
-        Operation oper = operation;  // static setting
-        if (oper.getName() == null) {  // if no static setting
-            oper = op;  // use dynamic setting
-        }
-        Object response;
-        try {
-            response = ((Invocable)scriptEngine).invokeFunction(oper.getName(), objects);
-        } catch (ScriptException e) {
-            throw e;
-        } catch (Exception e) {
-            throw new ScriptException(e);
-        }
-
-        if (xmlHelper != null) {
-            response = xmlHelper.toOMElement(response);
-        }
-
-        return response;
-    }
-
-    public Message invoke(Message msg) {
-        try {
-            Object resp = doInvoke((Object[])msg.getBody(), msg.getOperation());
-            msg.setBody(resp);
-        } catch (ScriptException e) {
-            msg.setFaultBody(e.getCause());
-        }
-        return msg;
-    }
-
-}
diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java b/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java
deleted file mode 100644
index 5833c9f4d5..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.    
- */
-
-package org.apache.tuscany.sca.implementation.script.provider;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.StringTokenizer;
-
-import org.apache.tuscany.sca.assembly.Property;
-import org.apache.tuscany.sca.core.factory.ObjectCreationException;
-import org.apache.tuscany.sca.core.factory.ObjectFactory;
-import org.apache.tuscany.sca.databinding.Mediator;
-import org.apache.tuscany.sca.databinding.SimpleTypeMapper;
-import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl;
-import org.apache.tuscany.sca.interfacedef.DataType;
-import org.apache.tuscany.sca.interfacedef.util.XMLType;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-
-/**
- * A property factory for script properties.
- *
- * @version $Rev$ $Date$
- */
-public class ScriptPropertyFactory {
-    private Mediator mediator = null;
-    boolean isSimpleType;
-    
-    public ScriptPropertyFactory(Mediator mediator) {
-        this.mediator = mediator;
-    }
-    
-    public ObjectFactory createValueFactory(Property property) {
-        isSimpleType = isSimpleType(property);
-        Document doc = (Document)property.getValue();
-        Element rootElement = doc.getDocumentElement();
-        
-        //FIXME : since scripts use dynamic types we need to generate a dynamic java type using the 
-        //XML structure of the property value.  Should this be done in the JavaBeansDataBinding... 
-        Class javaType = null;
-        
-        if (property.isMany()) {
-            if (isSimpleType) {
-                String value = "";
-                if (rootElement.getChildNodes().getLength() > 0) {
-                    value = rootElement.getChildNodes().item(0).getTextContent();
-                }
-                List<String> values = 
-                    getSimplePropertyValues(value, javaType);
-                return new ListObjectFactoryImpl(property, 
-                                                 values,
-                                                 isSimpleType,
-                                                 javaType);
-            } else {
-                return new ListObjectFactoryImpl(property,
-                                                 getComplexPropertyValues(doc),
-                                                 isSimpleType,
-                                                 javaType);
-            }
-        } else {
-            if (isSimpleType) {
-                String value = "";
-                if (rootElement.getChildNodes().getLength() > 0) {
-                    value = rootElement.getChildNodes().item(0).getTextContent();
-                }
-                return new ObjectFactoryImpl(property,
-                                             value,
-                                             isSimpleType,
-                                             javaType);
-            } else {
-                Object value = getComplexPropertyValues(doc).get(0);
-                return new ObjectFactoryImpl(property,
-                                             value,
-                                             isSimpleType,
-                                             javaType);
-            }
-            
-        }
-    }
-    
-    private boolean isSimpleType(Property property) {
-        if (property.getXSDType() != null) {
-            return SimpleTypeMapperImpl.isSimpleXSDType(property.getXSDType());
-        } else {
-            if (property instanceof Document) {
-                Document doc = (Document)property;
-                Element element = doc.getDocumentElement(); 
-                if (element.getChildNodes().getLength() == 1 && 
-                    element.getChildNodes().item(0).getNodeType() == Node.TEXT_NODE) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-    
-    private List<String> getSimplePropertyValues(String concatenatedValue, Class<?> javaType) {
-        List<String> propValues = new ArrayList<String>();
-        StringTokenizer st = null;
-        if ( javaType.getName().equals("java.lang.String")) {
-            st = new StringTokenizer(concatenatedValue, "\"");
-        } else {
-            st = new StringTokenizer(concatenatedValue);
-        }
-        String aToken = null;
-        while (st.hasMoreTokens()) {
-            aToken = st.nextToken();
-            if (aToken.trim().length() > 0) {
-                propValues.add(aToken);
-            }
-        }
-        return propValues;
-    }
-    
-    private List<Node> getComplexPropertyValues(Document document) {
-        Element rootElement = document.getDocumentElement();
-        List<Node> propValues = new ArrayList<Node>();
-        for (int count = 0 ; count < rootElement.getChildNodes().getLength() ; ++count) {
-            if (rootElement.getChildNodes().item(count).getNodeType() == Node.ELEMENT_NODE) {
-                propValues.add(rootElement.getChildNodes().item(count));
-            }
-        }
-        return propValues;
-    }
-    
-    public abstract class ObjectFactoryImplBase  implements ObjectFactory {
-        protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperImpl();
-        protected Property property;
-        protected Object propertyValue;
-        protected Class<?> javaType;
-        protected DataType<XMLType> sourceDataType;
-        protected DataType<?> targetDataType;
-        boolean isSimpleType;
-
-        public ObjectFactoryImplBase(Property property, Object propertyValue, boolean isSimpleType, Class<?> javaType)  {
-            
-            this.isSimpleType = isSimpleType;
-            this.property = property;
-            this.propertyValue = propertyValue;
-            this.javaType = javaType;
-
-            //FIXME : fix this when we have managed to generate dynamic java types
-            
-            /*sourceDataType =
-                new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, 
-                    new XMLType(null, this.property.getXSDType()));
-            TypeInfo typeInfo = null;
-            if (this.property.getXSDType() != null) {
-                if (SimpleTypeMapperExtension.isSimpleXSDType(this.property.getXSDType())) {
-                    typeInfo = new TypeInfo(property.getXSDType(), true, null);
-                } else {
-                    typeInfo = new TypeInfo(property.getXSDType(), false, null);
-                }
-            } else {
-                typeInfo = new TypeInfo(property.getXSDType(), false, null);
-            }
-
-            XMLType xmlType = new XMLType(typeInfo);
-            String dataBinding = null; //(String)property.getExtensions().get(DataBinding.class.getName());
-            if (dataBinding != null) {
-                targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType);
-            } else {
-                targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType);
-                mediator.getDataBindingRegistry().introspectType(targetDataType, null);  
-            }*/
-        }
-    }
-    
-    public class ObjectFactoryImpl extends ObjectFactoryImplBase {
-        public ObjectFactoryImpl(Property property, Object propertyValue, boolean isSimpleType, Class<?> javaType) {
-            super(property, propertyValue, isSimpleType, javaType);
-        }
-
-        public Object getInstance() throws ObjectCreationException {
-            if (isSimpleType) {
-                return simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null);
-            } else {
-                return mediator.mediate(propertyValue, sourceDataType, targetDataType, null);
-            }
-        }
-    }
-
-    public class ListObjectFactoryImpl extends ObjectFactoryImplBase  {
-        public ListObjectFactoryImpl(Property property, List<?>propertyValues, boolean isSimpleType, Class<?> javaType) {
-            super(property, propertyValues, isSimpleType, javaType);
-        }
-
-        public List<?> getInstance() throws ObjectCreationException {
-            if (isSimpleType) {
-                List<Object> values = new ArrayList<Object>();
-                for (String aValue : (List<String>)propertyValue) {
-                    values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null));
-                }
-                return values;
-            } else {
-                List<Object> instances = new ArrayList<Object>();
-                for (Node aValue : (List<Node>)propertyValue) {
-                    instances.add(mediator.mediate(aValue,
-                                                      sourceDataType,
-                                                      targetDataType,
-                                                      null));
-                }
-                return instances;
-            }
-        }
-    }
-}
diff --git a/java/sca-contrib/modules/implementation-script-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/java/sca-contrib/modules/implementation-script-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
deleted file mode 100644
index 941cfd7fd5..0000000000
--- a/java/sca-contrib/modules/implementation-script-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
+++ /dev/null
@@ -1,19 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one

-# or more contributor license agreements.  See the NOTICE file

-# distributed with this work for additional information

-# regarding copyright ownership.  The ASF licenses this file

-# to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0

-# 

-# Unless required by applicable law or agreed to in writing,

-# software distributed under the License is distributed on an

-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

-# KIND, either express or implied.  See the License for the

-# specific language governing permissions and limitations

-# under the License. 

-

-# Implementation class for the implementation extension

-org.apache.tuscany.sca.implementation.script.provider.ScriptImplementationProviderFactory;model=org.apache.tuscany.sca.implementation.script.ScriptImplementation