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From tcu...@apache.org
Subject svn commit: r511677 - in /jakarta/commons/sandbox/jci/trunk/compilers/rhino: ./ src/ src/main/ src/main/java/ src/main/java/org/ src/main/java/org/apache/ src/main/java/org/apache/commons/ src/main/java/org/apache/commons/jci/ src/main/java/org/apache/...
Date Mon, 26 Feb 2007 00:47:12 GMT
Author: tcurdt
Date: Sun Feb 25 16:47:10 2007
New Revision: 511677

URL: http://svn.apache.org/viewvc?view=rev&rev=511677
Log:
a first sort of working version of compiling javascript to java through rhino via jci. still
needs some work


Added:
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/pom.xml   (with props)
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilationProblem.java
  (with props)
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilingClassLoader.java
  (with props)
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoJavaCompiler.java
  (with props)
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/
    jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/RhinoJavaCompilerTestCase.java
  (with props)

Added: jakarta/commons/sandbox/jci/trunk/compilers/rhino/pom.xml
URL: http://svn.apache.org/viewvc/jakarta/commons/sandbox/jci/trunk/compilers/rhino/pom.xml?view=auto&rev=511677
==============================================================================
--- jakarta/commons/sandbox/jci/trunk/compilers/rhino/pom.xml (added)
+++ jakarta/commons/sandbox/jci/trunk/compilers/rhino/pom.xml Sun Feb 25 16:47:10 2007
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+  xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.commons</groupId>
+    <artifactId>commons-jci</artifactId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+
+  <packaging>jar</packaging>
+  <artifactId>commons-jci-rhino</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <name>compiler-rhino</name>
+
+  <dependencies>
+
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-jci-core</artifactId>
+      <version>1.0-SNAPSHOT</version>
+    </dependency>
+
+    <dependency>
+      <groupId>rhino</groupId>
+      <artifactId>js</artifactId>
+      <version>1.6R5</version>
+    </dependency>
+
+  </dependencies>
+  
+</project>

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Added: jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilationProblem.java
URL: http://svn.apache.org/viewvc/jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilationProblem.java?view=auto&rev=511677
==============================================================================
--- jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilationProblem.java
(added)
+++ jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilationProblem.java
Sun Feb 25 16:47:10 2007
@@ -0,0 +1,59 @@
+/*
+ * 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.commons.jci.compilers;
+
+import org.apache.commons.jci.problems.CompilationProblem;
+
+public final class RhinoCompilationProblem implements CompilationProblem {
+
+	public int getEndColumn() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	public int getEndLine() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	public String getFileName() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	public String getMessage() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	public int getStartColumn() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	public int getStartLine() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	public boolean isError() {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+
+}

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Added: jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilingClassLoader.java
URL: http://svn.apache.org/viewvc/jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilingClassLoader.java?view=auto&rev=511677
==============================================================================
--- jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilingClassLoader.java
(added)
+++ jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoCompilingClassLoader.java
Sun Feb 25 16:47:10 2007
@@ -0,0 +1,235 @@
+package org.apache.commons.jci.compilers;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.util.ArrayList;
+
+import org.apache.commons.jci.readers.ResourceReader;
+import org.apache.commons.jci.stores.ResourceStore;
+import org.mozilla.javascript.CompilerEnvirons;
+import org.mozilla.javascript.Context;
+import org.mozilla.javascript.GeneratedClassLoader;
+import org.mozilla.javascript.ImporterTopLevel;
+import org.mozilla.javascript.JavaScriptException;
+import org.mozilla.javascript.NativeArray;
+import org.mozilla.javascript.Scriptable;
+import org.mozilla.javascript.ScriptableObject;
+import org.mozilla.javascript.optimizer.ClassCompiler;
+
+/**
+ * @author tcurdt
+ * based on code from dev.helma.org
+ * http://dev.helma.org/source/file/helma/branches/rhinoloader/src/org/helma/javascript/RhinoLoader.java/?revision=95
+ */
+
+public final class RhinoCompilingClassLoader extends ClassLoader {
+
+
+	File scriptDir;
+	private final ScriptableObject scope;
+	private final ResourceReader reader;
+	private final ResourceStore store;
+
+	public RhinoCompilingClassLoader( final ResourceReader pReader, final ResourceStore pStore,
final ClassLoader pClassLoader) {
+		super(pClassLoader);
+		
+		reader = pReader;
+		store = pStore;
+
+		final Context cx = Context.enter();
+		scope = new ImporterTopLevel(cx);
+		Context.exit();
+	}
+
+
+
+	/**
+	 * Find and load a java class implemented in JavaScript.
+	 * @param name the class name
+	 * @return the class
+	 * @throws ClassNotFoundException
+	 * @throws JavaScriptException
+	 */
+
+	protected Class findClass(String name) throws ClassNotFoundException {
+
+		final Context cx = Context.enter();
+
+		try {
+			return compileClass(cx, name);
+		} catch (IOException iox) {
+			throw new ClassNotFoundException(iox.getMessage(), iox);
+		} finally {
+			Context.exit();
+		}
+	}
+
+
+
+	/**
+	 *
+	 * @param cx the rhino context
+	 * @param className the class name
+	 * @return the compiled class
+	 * @throws IOException an i/o related error occurred
+	 * @throws ClassNotFoundException class couldn't be found
+	 */
+
+	private Class compileClass(Context cx, String className) throws IOException, ClassNotFoundException
{
+
+		Class superclass = null;
+		Class[] interfaces = null;
+
+		String file = className.replace('.', '/') + ".js";
+		
+		Scriptable target = evaluate(cx, file);
+
+		// first get the base class
+
+		Object ext = ScriptableObject.getProperty(target, "__extends__");
+
+		if (ext instanceof String) {
+			superclass = Class.forName((String) ext);
+		}
+
+		// then add the implemented interfaces
+
+		ArrayList list = new ArrayList();
+
+		Object impl = ScriptableObject.getProperty(target, "__implements__");
+
+		if (impl instanceof NativeArray) {
+
+			NativeArray array = (NativeArray) impl;
+
+			for (int i=0; i<array.getLength(); i++) {
+
+				Object obj = array.get(i, array);
+
+				if (obj instanceof String) {
+
+					list.add(Class.forName((String) obj));
+
+				}
+
+			}
+
+		} else if (impl instanceof String) {
+
+			list.add(Class.forName((String) impl));
+
+		}
+
+
+		if (!list.isEmpty()) {
+
+			interfaces = new Class[list.size()];
+
+			interfaces = (Class[]) list.toArray(interfaces);
+
+		}
+
+		return compileClass(cx, file, className, superclass, interfaces);
+
+	}
+
+
+
+	/**
+	 *
+	 * @param cx the rhino context
+	 * @param file the file to read fom
+	 * @param className the class name
+	 * @param superclass the super class
+	 * @param interfaces the implemented interfaces
+	 * @return the compiled class
+	 * @throws IOException an i/o related error occured
+	 */
+
+	private Class compileClass(Context cx, String file, String className, Class superclass,
Class[] interfaces) throws IOException {
+
+		CompilerEnvirons compEnv = new CompilerEnvirons();
+		compEnv.initFromContext(cx);
+		ClassCompiler compiler = new ClassCompiler(compEnv);
+
+		if (superclass != null) {
+			compiler.setTargetExtends(superclass);
+		}
+
+		if (interfaces != null) {
+			compiler.setTargetImplements(interfaces);
+		}
+
+
+		byte[] buf = reader.getBytes(file);
+
+		Object[] classes = compiler.compileToClassFiles(new String(buf), getName(file), 1, className);
+
+		GeneratedClassLoader loader = cx.createClassLoader(cx.getApplicationClassLoader());
+
+		Class clazz = null;
+
+		for (int i = 0; i < classes.length; i += 2) {
+
+			final String clazzName = (String) classes[i];
+			final byte[] clazzBytes = (byte[]) classes[i+1];
+			
+			store.write(clazzName.replace('.', '/') + ".class", clazzBytes);
+			
+			Class c = loader.defineClass(clazzName, clazzBytes);
+			loader.linkClass(c);
+
+			if (i == 0) {
+				clazz = c;
+			}
+
+		}
+
+		return clazz;
+	}
+
+	private String getName(String s) {
+		final int i = s.lastIndexOf('/');
+		if (i < 0) {
+			return s;
+		}
+		
+		return s.substring(i + 1);
+	}
+	
+	/**
+	 * Evaluate the script on a new Scriptable object.
+	 *
+	 * @param cx the current Context
+	 * @param file the file to evaluate
+	 * @return the scriptable object on which the script was evaluated
+	 * @throws JavaScriptException if an error occurred evaluating the
+	 *                             prototype script code
+	 * @throws IOException if an error occurred reading the script file
+	 */
+
+	private Scriptable evaluate(Context cx, String sourcePath) throws JavaScriptException, IOException
{
+
+		if (!reader.isAvailable(sourcePath)) {
+			throw new FileNotFoundException("File " + sourcePath + " not found or not readable");
+		}
+
+		final Scriptable target = cx.newObject(scope);
+
+		final byte[] script = reader.getBytes(sourcePath);
+		
+		Reader reader = new InputStreamReader(new ByteArrayInputStream(script));
+
+		System.out.println(new String(script));
+		
+		cx.evaluateReader(target, reader, getName(sourcePath), 1, null);
+
+		return target;
+	}
+
+}
\ No newline at end of file

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Added: jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoJavaCompiler.java
URL: http://svn.apache.org/viewvc/jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoJavaCompiler.java?view=auto&rev=511677
==============================================================================
--- jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoJavaCompiler.java
(added)
+++ jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/main/java/org/apache/commons/jci/compilers/RhinoJavaCompiler.java
Sun Feb 25 16:47:10 2007
@@ -0,0 +1,53 @@
+/*
+ * 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.commons.jci.compilers;
+
+import org.apache.commons.jci.problems.CompilationProblem;
+import org.apache.commons.jci.readers.ResourceReader;
+import org.apache.commons.jci.stores.ResourceStore;
+import org.apache.commons.jci.utils.ClassUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * 
+ * @author tcurdt
+ * based on code from dev.helma.org
+ */
+public final class RhinoJavaCompiler extends AbstractJavaCompiler {
+
+    private final Log log = LogFactory.getLog(RhinoJavaCompiler.class);
+
+	public CompilationResult compile( final String[] pResourcePaths, final ResourceReader pReader,
final ResourceStore pStore, final ClassLoader classLoader) {
+
+		final RhinoCompilingClassLoader cl = new RhinoCompilingClassLoader(pReader, pStore, classLoader);
+		
+		
+		for (int i = 0; i < pResourcePaths.length; i++) {
+            log.debug("compiling " + pResourcePaths[i]);
+            
+            final String clazzName = ClassUtils.convertResourceToClassName(pResourcePaths[i]);
+            try {
+				cl.loadClass(clazzName);
+			} catch (ClassNotFoundException e) {
+				e.printStackTrace();
+			}
+		}
+		return new CompilationResult(new CompilationProblem[0]);
+	}
+	
+}

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Added: jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/RhinoJavaCompilerTestCase.java
URL: http://svn.apache.org/viewvc/jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/RhinoJavaCompilerTestCase.java?view=auto&rev=511677
==============================================================================
--- jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/RhinoJavaCompilerTestCase.java
(added)
+++ jakarta/commons/sandbox/jci/trunk/compilers/rhino/src/test/java/org/apache/commons/jci/compilers/RhinoJavaCompilerTestCase.java
Sun Feb 25 16:47:10 2007
@@ -0,0 +1,65 @@
+package org.apache.commons.jci.compilers;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.jci.readers.ResourceReader;
+import org.apache.commons.jci.stores.MemoryResourceStore;
+
+public final class RhinoJavaCompilerTestCase extends AbstractCompilerTestCase {
+
+	public JavaCompiler createJavaCompiler() {
+		return new RhinoJavaCompiler();
+	}
+	
+	public String getCompilerName() {
+		return "rhino";
+	}
+	
+	public void testSimpleCompile() throws Exception {
+		final JavaCompiler compiler = createJavaCompiler(); 
+		
+		final ResourceReader reader = new ResourceReader() {
+			final private Map sources = new HashMap() {{
+				put("jci/Simple.js", (
+					" var i = 0;\n" +
+					"\n"
+					).getBytes());
+			}};
+			
+			public byte[] getBytes( final String pResourceName ) {
+				return (byte[]) sources.get(pResourceName);
+			}
+
+			public boolean isAvailable( final String pResourceName ) {
+				return sources.containsKey(pResourceName);
+			}
+			
+		};
+		
+		final MemoryResourceStore store = new MemoryResourceStore();
+		final CompilationResult result = compiler.compile(
+				new String[] {
+						"jci/Simple.js"
+				}, reader, store);
+		
+		assertEquals(toString(result.getErrors()), 0, result.getErrors().length);		
+		assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
+		
+		final byte[] clazzBytes = store.read("jci/Simple.class");		
+		assertNotNull(clazzBytes);
+		assertTrue(clazzBytes.length > 0);
+	}
+
+	public void testExtendedCompile() throws Exception {
+	}
+
+	public void testInternalClassCompile() throws Exception {
+	}
+
+	public void testUppercasePackageNameCompile() throws Exception {
+	}
+	
+	
+
+}

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