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This commit is contained in:
Juergen Hoeller
2009-12-13 15:30:52 +00:00
parent 42c7be4590
commit 35354ad520
4 changed files with 53 additions and 49 deletions
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63
org.springframework.context/src/main/java/org/springframework/instrument/classloading/glassfish/GlassFishClassLoaderAdapter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2006-2009 the original author or authors.
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.instrument.classloading.glassfish;
import java.lang.instrument.ClassFileTransformer;
@@ -24,47 +25,55 @@ import java.lang.reflect.Method;
* encapsulate the classloader-specific methods (discovered and
* called through reflection) from the load-time weaver.
*
* <p/> Supports GlassFish V1, V2 and V3 (currently in beta).
* <p>Supports GlassFish V1, V2 and V3 (currently in beta).
*
* @author Costin Leau
* @since 3.0.0
* @since 3.0
*/
class GlassFishClassLoaderAdapter {
static final String INSTRUMENTABLE_CLASSLOADER_GLASSFISH_V2 = "com.sun.enterprise.loader.InstrumentableClassLoader";
static final String INSTRUMENTABLE_CLASSLOADER_GLASSFISH_V3 = "org.glassfish.api.deployment.InstrumentableClassLoader";
private static final String CLASS_TRANSFORMER = "javax.persistence.spi.ClassTransformer";
private final ClassLoader classLoader;
private final Method addTransformer;
private final Method copy;
private final boolean glassFishV3;
public GlassFishClassLoaderAdapter(ClassLoader classLoader) {
Class<?> instrumentableLoaderClass = null;
Class<?> instrumentableLoaderClass;
boolean glassV3 = false;
try {
// try the V1/V2 API first
instrumentableLoaderClass = classLoader.loadClass(INSTRUMENTABLE_CLASSLOADER_GLASSFISH_V2);
} catch (ClassNotFoundException ex) {
}
catch (ClassNotFoundException ex) {
// fall back to V3
try {
instrumentableLoaderClass = classLoader.loadClass(INSTRUMENTABLE_CLASSLOADER_GLASSFISH_V3);
glassV3 = true;
} catch (ClassNotFoundException cnfe) {
throw new IllegalStateException(
"Could not initialize GlassFish LoadTimeWeaver because GlassFish (V1, V2 or V3) API classes are not available",
ex);
}
catch (ClassNotFoundException cnfe) {
throw new IllegalStateException("Could not initialize GlassFish LoadTimeWeaver because " +
"GlassFish (V1, V2 or V3) API classes are not available", ex);
}
}
try {
Class<?> classTransformerClass = (glassV3 ? ClassFileTransformer.class : classLoader
.loadClass(CLASS_TRANSFORMER));
Class<?> classTransformerClass =
(glassV3 ? ClassFileTransformer.class : classLoader.loadClass(CLASS_TRANSFORMER));
addTransformer = instrumentableLoaderClass.getMethod("addTransformer", classTransformerClass);
copy = instrumentableLoaderClass.getMethod("copy");
} catch (Exception ex) {
this.addTransformer = instrumentableLoaderClass.getMethod("addTransformer", classTransformerClass);
this.copy = instrumentableLoaderClass.getMethod("copy");
}
catch (Exception ex) {
throw new IllegalStateException(
"Could not initialize GlassFish LoadTimeWeaver because GlassFish API classes are not available", ex);
}
@@ -79,8 +88,8 @@ class GlassFishClassLoaderAdapter {
}
if (clazzLoader == null) {
throw new IllegalArgumentException(classLoader + " and its parents are not suitable ClassLoaders: " + "A ["
+ instrumentableLoaderClass.getName() + "] implementation is required.");
throw new IllegalArgumentException(classLoader + " and its parents are not suitable ClassLoaders: A [" +
instrumentableLoaderClass.getName() + "] implementation is required.");
}
this.classLoader = clazzLoader;
@@ -89,10 +98,13 @@ class GlassFishClassLoaderAdapter {
public void addTransformer(ClassFileTransformer transformer) {
try {
addTransformer.invoke(classLoader, (glassFishV3 ? transformer : new ClassTransformerAdapter(transformer)));
} catch (InvocationTargetException ex) {
this.addTransformer.invoke(this.classLoader,
(this.glassFishV3 ? transformer : new ClassTransformerAdapter(transformer)));
}
catch (InvocationTargetException ex) {
throw new IllegalStateException("GlassFish addTransformer method threw exception ", ex.getCause());
} catch (Exception ex) {
}
catch (Exception ex) {
throw new IllegalStateException("Could not invoke GlassFish addTransformer method", ex);
}
}
@@ -103,11 +115,14 @@ class GlassFishClassLoaderAdapter {
public ClassLoader getThrowawayClassLoader() {
try {
return (ClassLoader) copy.invoke(classLoader, (Object[]) null);
} catch (InvocationTargetException ex) {
return (ClassLoader) this.copy.invoke(this.classLoader);
}
catch (InvocationTargetException ex) {
throw new IllegalStateException("GlassFish copy method threw exception ", ex.getCause());
} catch (Exception ex) {
}
catch (Exception ex) {
throw new IllegalStateException("Could not invoke GlassFish copy method", ex);
}
}
}
}

12
org.springframework.context/src/main/java/org/springframework/instrument/classloading/glassfish/GlassFishLoadTimeWeaver.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2007 the original author or authors.
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -23,10 +23,9 @@ import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
/**
* {@link LoadTimeWeaver} implementation for GlassFish's
* {@link InstrumentableClassLoader}.
* {@link LoadTimeWeaver} implementation for GlassFish's {@link InstrumentableClassLoader}.
*
* <p/>Since Spring 3.0.0, GlassFish V3 is supported as well.
* <p>As of Spring 3.0, GlassFish V3 is supported as well.
*
* @author Costin Leau
* @author Juergen Hoeller
@@ -36,6 +35,7 @@ public class GlassFishLoadTimeWeaver implements LoadTimeWeaver {
private final GlassFishClassLoaderAdapter classLoader;
/**
* Creates a new instance of the <code>GlassFishLoadTimeWeaver</code> class
* using the default {@link ClassLoader}.
@@ -56,6 +56,7 @@ public class GlassFishLoadTimeWeaver implements LoadTimeWeaver {
this.classLoader = new GlassFishClassLoaderAdapter(classLoader);
}
public void addTransformer(ClassFileTransformer transformer) {
this.classLoader.addTransformer(transformer);
}
@@ -67,4 +68,5 @@ public class GlassFishLoadTimeWeaver implements LoadTimeWeaver {
public ClassLoader getThrowawayClassLoader() {
return this.classLoader.getThrowawayClassLoader();
}
}
}

1
org.springframework.context/src/main/java/org/springframework/scripting/jruby/JRubyScriptUtils.java
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@@ -79,6 +79,7 @@ public abstract class JRubyScriptUtils {
Ruby ruby = initializeRuntime();
Node scriptRootNode = ruby.parseEval(scriptSource, "", null, 0);
// keep using the deprecated runNormally variant for JRuby 1.1/1.2 compatibility...
IRubyObject rubyObject = ruby.runNormally(scriptRootNode, false);
if (rubyObject instanceof RubyNil) {