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43 changes: 43 additions & 0 deletions
43
compiler/src/main/java/ourtus/boxlang/executor/JavaClassByteCode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /** | ||
| * [BoxLang] | ||
| * <p> | ||
| * Copyright [2023] [Ortus Solutions, Corp] | ||
| * <p> | ||
| * Licensed 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 | ||
| * <p> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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. | ||
| */ | ||
|
|
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| package ourtus.boxlang.executor; | ||
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| import javax.tools.SimpleJavaFileObject; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.OutputStream; | ||
| import java.net.URI; | ||
|
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| /** | ||
| * JavaFileObject implementation | ||
| */ | ||
| public class JavaClassByteCode extends SimpleJavaFileObject { | ||
|
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| protected ByteArrayOutputStream bos = new ByteArrayOutputStream(); | ||
|
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| public JavaClassByteCode( String name, Kind kind ) { | ||
| super( URI.create( "string:///" + name.replace( '.', '/' ) | ||
| + kind.extension ), kind ); | ||
| } | ||
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| public byte[] getBytes() { | ||
| return bos.toByteArray(); | ||
| } | ||
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| @Override | ||
| public OutputStream openOutputStream() { | ||
| return bos; | ||
| } | ||
| } |
58 changes: 58 additions & 0 deletions
58
compiler/src/main/java/ourtus/boxlang/executor/JavaDynamicClassLoader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /** | ||
| * [BoxLang] | ||
| * <p> | ||
| * Copyright [2023] [Ortus Solutions, Corp] | ||
| * <p> | ||
| * Licensed 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 | ||
| * <p> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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 ourtus.boxlang.executor; | ||
|
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| import java.io.IOException; | ||
| import java.net.URL; | ||
| import java.net.URLClassLoader; | ||
| import java.nio.file.Paths; | ||
| import java.util.Map; | ||
|
|
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| /** | ||
| * Dynamic in Memory classloader | ||
| */ | ||
| public class JavaDynamicClassLoader extends URLClassLoader { | ||
|
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| private JavaMemoryManager manager; | ||
|
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| public JavaDynamicClassLoader( URL[] urls, ClassLoader parent, JavaMemoryManager manager ) { | ||
| super( urls, parent ); | ||
| this.manager = manager; | ||
|
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| } | ||
|
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| @Override | ||
| protected Class<?> findClass( String name ) throws ClassNotFoundException { | ||
|
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| Map<String, JavaClassByteCode> compiledClasses = manager | ||
| .getBytesMap(); | ||
|
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| if ( compiledClasses.containsKey( name ) ) { | ||
| byte[] bytes = compiledClasses.get( name ) | ||
| .getBytes(); | ||
| return defineClass( name, bytes, 0, bytes.length ); | ||
| } else { | ||
| return super.findClass( name ); | ||
| } | ||
| } | ||
|
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| /* | ||
| * Required for Java Agents when this classloader is used as the system classloader | ||
| */ | ||
| @SuppressWarnings( "unused" ) | ||
| private void appendToClassPathForInstrumentation( String jarfile ) throws IOException { | ||
| addURL( Paths.get( jarfile ).toRealPath().toUri().toURL() ); | ||
| } | ||
| } |
52 changes: 52 additions & 0 deletions
52
compiler/src/main/java/ourtus/boxlang/executor/JavaMemoryManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /** | ||
| * [BoxLang] | ||
| * <p> | ||
| * Copyright [2023] [Ortus Solutions, Corp] | ||
| * <p> | ||
| * Licensed 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 | ||
| * <p> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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 ourtus.boxlang.executor; | ||
|
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| import javax.tools.*; | ||
| import java.io.File; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URL; | ||
| import java.net.URLClassLoader; | ||
| import java.util.Hashtable; | ||
| import java.util.Map; | ||
|
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|
|
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| /** | ||
| * In Memory File Manager | ||
| */ | ||
| public class JavaMemoryManager extends ForwardingJavaFileManager<JavaFileManager> { | ||
|
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| private final Map<String, JavaClassByteCode> compiledClasses; | ||
|
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| public JavaMemoryManager( StandardJavaFileManager standardFileManager ) { | ||
| super( standardFileManager ); | ||
| this.compiledClasses = new Hashtable<>(); | ||
| } | ||
|
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| @Override | ||
| public JavaFileObject getJavaFileForOutput( Location location, String className, JavaFileObject.Kind kind, | ||
| FileObject sibling ) { | ||
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| JavaClassByteCode classAsBytes = new JavaClassByteCode( | ||
| className, kind ); | ||
| compiledClasses.put( className, classAsBytes ); | ||
|
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| return classAsBytes; | ||
| } | ||
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| public Map<String, JavaClassByteCode> getBytesMap() { | ||
| return compiledClasses; | ||
| } | ||
| } |
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