diff options
Diffstat (limited to 'java/sca-contrib/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation')
5 files changed, 0 insertions, 1237 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; - } - } - } -} |